./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor204075109 <...> unfinished ...> [pid 10624] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10625 [pid 10624] <... write resumed>) = 131072 [pid 10624] munmap(0x7fb91de38000, 138412032) = 0 [pid 10613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10613] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10624] <... openat resumed>) = 4 [pid 10613] <... mmap resumed>) = 0x7fb926217000 [pid 10624] ioctl(4, LOOP_SET_FD, 3 [pid 10613] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 150.715387][T10615] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 150.729392][T10620] loop3: detected capacity change from 0 to 256 [ 150.740105][T10617] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 150.750568][T10620] exfat: Bad value for 'uid' [pid 10613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10626 attached ./strace-static-x86_64: Process 10625 attached [pid 10624] <... ioctl resumed>) = 0 [pid 10613] <... clone3 resumed> => {parent_tid=[10626]}, 88) = 10626 [pid 10626] set_robust_list(0x7fb9262379a0, 24 [pid 10625] set_robust_list(0x5555555916a0, 24 [pid 10624] close(3 [pid 10613] rt_sigprocmask(SIG_SETMASK, [], [pid 10625] <... set_robust_list resumed>) = 0 [pid 10613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10613] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10613] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10624] <... close resumed>) = 0 [pid 10624] close(4) = 0 [pid 10624] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10624] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10626] <... set_robust_list resumed>) = 0 [pid 10625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10624] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10620] <... ioctl resumed>) = 0 [pid 10625] <... prctl resumed>) = 0 [pid 10620] close(3 [pid 10626] rt_sigprocmask(SIG_SETMASK, [], [pid 10625] setpgid(0, 0 [pid 10624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10620] <... close resumed>) = 0 [pid 10626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10626] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10626] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10613] <... futex resumed>) = 0 [pid 10613] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10613] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10626] <... futex resumed>) = 1 [pid 10626] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10626] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10613] <... futex resumed>) = 0 [pid 10613] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10613] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10626] <... futex resumed>) = 1 [pid 10626] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10625] <... setpgid resumed>) = 0 [pid 10620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10620] <... futex resumed>) = 1 [pid 10619] <... futex resumed>) = 0 [pid 10625] <... openat resumed>) = 3 [pid 10620] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10626] <... bpf resumed>) = 6 [pid 10626] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10613] <... futex resumed>) = 0 [pid 10619] <... futex resumed>) = 0 [pid 10613] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10620] <... socket resumed>) = 3 [pid 10619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10613] <... futex resumed>) = 0 [pid 10625] write(3, "1000", 4 [pid 10620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10613] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10625] <... write resumed>) = 4 [pid 10620] <... futex resumed>) = 1 [pid 10619] <... futex resumed>) = 0 [pid 10626] <... futex resumed>) = 1 [pid 10626] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10620] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] close(3 [pid 10626] <... bpf resumed>) = 7 [pid 10625] <... close resumed>) = 0 [pid 10620] <... socket resumed>) = 4 [pid 10619] <... futex resumed>) = 0 [pid 10625] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10625] <... futex resumed>) = 0 [pid 10620] <... futex resumed>) = 0 [pid 10625] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10619] <... futex resumed>) = 0 [pid 10626] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10620] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10626] <... futex resumed>) = 1 [pid 10625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10620] <... sendto resumed>) = 32 [pid 10613] <... futex resumed>) = 0 [pid 10626] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10625] <... mmap resumed>) = 0x7fb926238000 [pid 10620] recvfrom(4, [pid 10613] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] <... openat resumed>) = 3 [pid 10625] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10620] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10619}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10613] <... futex resumed>) = 0 [pid 10625] <... mprotect resumed>) = 0 [pid 10620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10613] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10625] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10624] ioctl(3, LOOP_CLR_FD [pid 10620] <... futex resumed>) = 1 [pid 10619] <... futex resumed>) = 0 [pid 10612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10619] <... futex resumed>) = 0 [pid 10612] <... futex resumed>) = 0 [pid 10620] getsockname(4, [pid 10619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10625] <... clone3 resumed> => {parent_tid=[10627]}, 88) = 10627 [pid 10620] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10619, nl_groups=00000000}, [116 => 12]) = 0 [pid 10612] <... mmap resumed>) = 0x7fb926217000 [pid 10625] rt_sigprocmask(SIG_SETMASK, [], [pid 10620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10620] <... futex resumed>) = 1 [pid 10619] <... futex resumed>) = 0 [pid 10612] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 10627 attached [pid 10626] <... bpf resumed>) = 8 [pid 10625] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10625] <... futex resumed>) = 0 [pid 10626] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10619] <... futex resumed>) = 0 [pid 10627] set_robust_list(0x7fb9262589a0, 24 [pid 10612] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10625] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10620] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x7b\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10627] <... set_robust_list resumed>) = 0 [pid 10626] <... futex resumed>) = 1 [pid 10613] <... futex resumed>) = 0 [pid 10627] rt_sigprocmask(SIG_SETMASK, [], [pid 10626] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10613] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10613] <... futex resumed>) = 0 [pid 10627] memfd_create("syzkaller", 0 [pid 10626] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10613] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 10628 attached [pid 10627] <... memfd_create resumed>) = 3 [pid 10626] <... bpf resumed>) = 9 [pid 10627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10626] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] <... clone3 resumed> => {parent_tid=[10628]}, 88) = 10628 [pid 10628] set_robust_list(0x7fb9262379a0, 24 [pid 10627] <... mmap resumed>) = 0x7fb91de38000 [pid 10626] <... futex resumed>) = 1 [pid 10613] <... futex resumed>) = 0 [pid 10628] <... set_robust_list resumed>) = 0 [pid 10626] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10612] rt_sigprocmask(SIG_SETMASK, [], [pid 10628] rt_sigprocmask(SIG_SETMASK, [], [pid 10627] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10628] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10612] <... futex resumed>) = 0 [pid 10628] <... bpf resumed>) = 5 [pid 10612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10628] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10628] <... futex resumed>) = 0 [pid 10612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10628] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10612] <... futex resumed>) = 0 [pid 10628] <... bpf resumed>) = 0 [pid 10612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10628] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10628] <... futex resumed>) = 0 [pid 10612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10628] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10612] <... futex resumed>) = 0 [pid 10628] <... bpf resumed>) = 6 [pid 10627] <... write resumed>) = 131072 [pid 10612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10628] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10627] munmap(0x7fb91de38000, 138412032 [pid 10612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10628] <... futex resumed>) = 0 [pid 10612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10628] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10627] <... munmap resumed>) = 0 [pid 10612] <... futex resumed>) = 0 [pid 10628] <... bpf resumed>) = 7 [pid 10612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10628] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10628] <... futex resumed>) = 0 [pid 10612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10628] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10627] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10612] <... futex resumed>) = 0 [pid 10627] <... openat resumed>) = 4 [ 150.775720][T10624] loop1: detected capacity change from 0 to 256 [ 150.783317][T10624] exfat: Bad value for 'uid' [ 150.802496][T10620] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 10627] ioctl(4, LOOP_SET_FD, 3 [pid 10628] <... bpf resumed>) = 8 [pid 10612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10628] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10628] <... futex resumed>) = 0 [pid 10612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10628] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10612] <... futex resumed>) = 0 [pid 10628] <... bpf resumed>) = 9 [pid 10627] <... ioctl resumed>) = 0 [pid 10612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10628] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10627] close(3) = 0 [pid 10612] <... futex resumed>) = 0 [pid 10628] <... futex resumed>) = 1 [pid 10627] close(4) = 0 [pid 10627] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10627] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10628] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10627] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 10627] ioctl(3, LOOP_CLR_FD [pid 10624] <... ioctl resumed>) = 0 [pid 10624] close(3) = 0 [pid 10624] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10623] <... futex resumed>) = 0 [pid 10624] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10623] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10623] <... futex resumed>) = 0 [pid 10624] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10623] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10624] <... socket resumed>) = 3 [pid 10624] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10623] <... futex resumed>) = 0 [pid 10624] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10623] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10623] <... futex resumed>) = 0 [pid 10624] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10623] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10624] <... socket resumed>) = 4 [pid 10624] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10623] <... futex resumed>) = 0 [pid 10624] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10623] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] <... futex resumed>) = 0 [pid 10623] <... futex resumed>) = 1 [pid 10624] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10623] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10624] <... sendto resumed>) = 32 [pid 10624] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10623}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10624] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10623] <... futex resumed>) = 0 [pid 10624] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10623] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10623] <... futex resumed>) = 0 [pid 10624] getsockname(4, [pid 10623] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10624] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10623, nl_groups=00000000}, [116 => 12]) = 0 [pid 10624] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10623] <... futex resumed>) = 0 [pid 10624] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10623] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10623] <... futex resumed>) = 0 [pid 10624] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x7f\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10623] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] <... ioctl resumed>) = 0 [pid 10619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10615] <... sendmsg resumed>) = 64 [pid 10619] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10619] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10615] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10631]}, 88) = 10631 [pid 10619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10613] exit_group(0 [pid 10627] close(3 [pid 10615] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10631 attached [pid 10613] <... exit_group resumed>) = ? [pid 10626] <... futex resumed>) = ? [pid 10627] <... close resumed>) = 0 [pid 10626] +++ exited with 0 +++ [pid 10631] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10627] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10631] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10627] <... futex resumed>) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10631] <... bpf resumed>) = 5 [pid 10631] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] <... futex resumed>) = 0 [pid 10619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10631] <... futex resumed>) = 1 [pid 10631] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10625] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10625] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10631] <... bpf resumed>) = 0 [pid 10631] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10619] <... futex resumed>) = 0 [pid 10619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10631] <... futex resumed>) = 1 [pid 10627] <... socket resumed>) = 3 [pid 10631] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10627] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10625] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10625] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10631] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10627] <... socket resumed>) = 4 [pid 10627] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10627] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10625] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10625] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10619] <... futex resumed>) = 0 [pid 10619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10631] <... futex resumed>) = 1 [pid 10631] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10627] <... sendto resumed>) = 32 [pid 10627] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10625}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10627] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10627] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10625] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10625] <... futex resumed>) = 0 [pid 10627] getsockname(4, [pid 10625] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10625, nl_groups=00000000}, [116 => 12]) = 0 [pid 10627] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10627] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x81\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10625] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 150.824977][T10627] loop0: detected capacity change from 0 to 256 [ 150.832940][T10627] exfat: Bad value for 'uid' [ 150.859570][T10624] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 10625] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10631] <... bpf resumed>) = 7 [pid 10617] <... sendmsg resumed>) = 64 [pid 10615] +++ exited with 0 +++ [pid 10613] +++ exited with 0 +++ [pid 10631] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10617] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10612] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10613, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 10631] <... futex resumed>) = 1 [pid 10628] <... futex resumed>) = ? [pid 10619] <... futex resumed>) = 0 [pid 10617] <... futex resumed>) = ? [pid 10612] <... exit_group resumed>) = ? [pid 10631] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10628] +++ exited with 0 +++ [pid 10619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10617] +++ exited with 0 +++ [pid 10631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10619] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10631] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10633 [pid 10631] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 10633 attached [pid 10631] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10633] set_robust_list(0x5555555916a0, 24 [pid 10631] <... futex resumed>) = 1 [pid 10619] <... futex resumed>) = 0 [pid 10633] <... set_robust_list resumed>) = 0 [pid 10631] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10623] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10619] <... futex resumed>) = 0 [pid 10633] <... prctl resumed>) = 0 [pid 10631] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10633] setpgid(0, 0) = 0 [pid 10633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10633] write(3, "1000", 4) = 4 [pid 10633] close(3) = 0 [pid 10633] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10633] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10623] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10633] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10623] <... futex resumed>) = 0 [pid 10633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10633] <... mmap resumed>) = 0x7fb926238000 [pid 10623] <... mmap resumed>) = 0x7fb926217000 [pid 10633] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10623] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10633] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10623] <... mprotect resumed>) = 0 [pid 10633] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10633] <... clone3 resumed> => {parent_tid=[10634]}, 88) = 10634 [pid 10633] rt_sigprocmask(SIG_SETMASK, [], [pid 10623] <... clone3 resumed> => {parent_tid=[10635]}, 88) = 10635 [pid 10623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10623] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10623] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10633] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10633] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10635 attached ./strace-static-x86_64: Process 10634 attached [pid 10635] set_robust_list(0x7fb9262379a0, 24 [pid 10634] set_robust_list(0x7fb9262589a0, 24 [pid 10635] <... set_robust_list resumed>) = 0 [pid 10635] rt_sigprocmask(SIG_SETMASK, [], [pid 10634] <... set_robust_list resumed>) = 0 [pid 10635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10634] rt_sigprocmask(SIG_SETMASK, [], [pid 10635] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10631] <... bpf resumed>) = 9 [pid 10612] +++ exited with 0 +++ [pid 10635] <... bpf resumed>) = 5 [pid 10634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10631] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10619] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10612, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10631] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10623] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 10623] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 10623] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10635] <... futex resumed>) = 1 [pid 300] close(3 [pid 10635] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10634] memfd_create("syzkaller", 0 [pid 300] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10636 [pid 10634] <... memfd_create resumed>) = 3 [pid 10634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 ./strace-static-x86_64: Process 10636 attached [pid 10634] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10635] <... bpf resumed>) = 0 [pid 10636] set_robust_list(0x5555555916a0, 24 [pid 10635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10623] <... futex resumed>) = 0 [pid 10636] <... set_robust_list resumed>) = 0 [pid 10635] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10623] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10634] <... write resumed>) = 131072 [pid 10623] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10634] munmap(0x7fb91de38000, 138412032 [pid 10635] <... bpf resumed>) = 6 [pid 10634] <... munmap resumed>) = 0 [pid 10634] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10634] <... openat resumed>) = 4 [pid 10623] <... futex resumed>) = 0 [pid 10634] ioctl(4, LOOP_SET_FD, 3 [pid 10623] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10635] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10623] <... futex resumed>) = 0 [pid 10623] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10635] <... bpf resumed>) = 7 [pid 10635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10623] <... futex resumed>) = 0 [pid 10636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10635] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10623] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10636] <... prctl resumed>) = 0 [pid 10634] <... ioctl resumed>) = 0 [pid 10623] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10620] <... sendmsg resumed>) = 64 [pid 10635] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10619] exit_group(0 [pid 10636] setpgid(0, 0 [pid 10635] <... bpf resumed>) = 8 [pid 10634] close(3 [pid 10625] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10635] <... futex resumed>) = 1 [pid 10623] <... futex resumed>) = 0 [pid 10635] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10623] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] <... mmap resumed>) = 0x7fb926217000 [pid 10623] <... futex resumed>) = 0 [pid 10625] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10623] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10625] <... mprotect resumed>) = 0 [pid 10635] <... bpf resumed>) = 9 [pid 10625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] <... clone3 resumed> => {parent_tid=[10637]}, 88) = 10637 [pid 10623] <... futex resumed>) = 0 [pid 10635] <... futex resumed>) = 1 [pid 10635] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10625] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10637 attached ) = 0 [pid 10625] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10620] <... futex resumed>) = ? [pid 10619] <... exit_group resumed>) = ? [pid 10631] <... futex resumed>) = ? [pid 10636] <... setpgid resumed>) = 0 [pid 10620] +++ exited with 0 +++ [pid 10636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10636] write(3, "1000", 4) = 4 [pid 10636] close(3 [pid 10634] <... close resumed>) = 0 [pid 10636] <... close resumed>) = 0 [ 150.891960][T10627] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 150.926027][T10634] loop2: detected capacity change from 0 to 256 [pid 10634] close(4) = 0 [pid 10636] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10636] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10634] mkdir("./file0", 0777 [pid 10636] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10634] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10634] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10637] set_robust_list(0x7fb9262379a0, 24 [pid 10636] <... mmap resumed>) = 0x7fb926238000 [pid 10634] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10637] <... set_robust_list resumed>) = 0 [pid 10636] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10634] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10637] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10634] <... openat resumed>) = 3 [pid 10637] <... bpf resumed>) = 5 [pid 10636] <... mprotect resumed>) = 0 [pid 10637] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10634] ioctl(3, LOOP_CLR_FD [pid 10637] <... futex resumed>) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10625] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10625] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10637] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10637] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10625] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10625] <... futex resumed>) = 0 [pid 10636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10625] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 10638 attached [pid 10636] <... clone3 resumed> => {parent_tid=[10638]}, 88) = 10638 [pid 10636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10637] <... bpf resumed>) = 6 [pid 10636] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10638] set_robust_list(0x7fb9262589a0, 24 [pid 10636] <... futex resumed>) = 0 [pid 10638] <... set_robust_list resumed>) = 0 [pid 10637] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10638] rt_sigprocmask(SIG_SETMASK, [], [pid 10637] <... futex resumed>) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10637] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10625] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10625] <... futex resumed>) = 0 [pid 10638] memfd_create("syzkaller", 0 [pid 10625] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10637] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10638] <... memfd_create resumed>) = 3 [pid 10638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10638] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10638] munmap(0x7fb91de38000, 138412032) = 0 [pid 10638] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10638] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10638] close(3) = 0 [pid 10638] close(4) = 0 [pid 10638] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10638] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10638] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10638] ioctl(3, LOOP_CLR_FD [pid 10631] +++ exited with 0 +++ [pid 10619] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10624] <... sendmsg resumed>) = 64 [pid 10624] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10624] <... futex resumed>) = 0 [pid 10623] exit_group(0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10639 [pid 10623] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 10639 attached [pid 10639] set_robust_list(0x5555555916a0, 24) = 0 [pid 10639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10639] setpgid(0, 0) = 0 [pid 10639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10639] write(3, "1000", 4) = 4 [pid 10639] close(3) = 0 [pid 10639] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10639] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10639] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10640]}, 88) = 10640 [pid 10639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10639] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10639] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10640 attached [pid 10640] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10635] <... futex resumed>) = ? [pid 10635] +++ exited with 0 +++ [pid 10640] memfd_create("syzkaller", 0) = 3 [pid 10640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10637] <... bpf resumed>) = 7 [pid 10637] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10625] <... futex resumed>) = 0 [pid 10625] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10625] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10640] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10640] munmap(0x7fb91de38000, 138412032) = 0 [pid 10640] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 10640] ioctl(4, LOOP_SET_FD, 3 [pid 10637] <... bpf resumed>) = 8 [pid 10637] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] <... futex resumed>) = 0 [pid 10625] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10625] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10637] <... futex resumed>) = 1 [pid 10637] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10640] <... ioctl resumed>) = 0 [pid 10634] <... ioctl resumed>) = 0 [pid 10634] close(3) = 0 [pid 10634] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] close(3) = 0 [pid 10634] <... futex resumed>) = 1 [pid 10633] <... futex resumed>) = 0 [pid 10633] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10633] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10634] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10634] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10633] <... futex resumed>) = 0 [pid 10634] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10633] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10633] <... futex resumed>) = 0 [pid 10634] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10633] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10634] <... socket resumed>) = 4 [pid 10634] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10633] <... futex resumed>) = 0 [pid 10634] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10633] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10633] <... futex resumed>) = 0 [pid 10634] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10633] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10634] <... sendto resumed>) = 32 [pid 10634] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10633}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10637] <... bpf resumed>) = 9 [pid 10634] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10624] +++ exited with 0 +++ [pid 10623] +++ exited with 0 +++ [pid 10637] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10634] <... futex resumed>) = 1 [pid 10633] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10623, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 10637] <... futex resumed>) = 1 [pid 10634] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10633] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10625] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 10640] close(4 [pid 10637] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10633] <... futex resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 10634] getsockname(4, [pid 10633] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10634] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10633, nl_groups=00000000}, [116 => 12]) = 0 [pid 10634] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [ 150.952463][T10634] exfat: Bad value for 'uid' [ 150.967261][T10638] loop4: detected capacity change from 0 to 256 [ 150.974063][T10638] exfat: Bad value for 'uid' [ 150.995617][T10640] loop3: detected capacity change from 0 to 256 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10634] <... futex resumed>) = 1 [pid 10633] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 10634] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10633] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 10634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10633] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10634] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x89\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10633] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10641 ./strace-static-x86_64: Process 10641 attached [pid 10641] set_robust_list(0x5555555916a0, 24) = 0 [pid 10641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10641] setpgid(0, 0) = 0 [pid 10641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10641] write(3, "1000", 4) = 4 [pid 10641] close(3) = 0 [pid 10641] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10641] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10641] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10642]}, 88) = 10642 [pid 10641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10642 attached [pid 10642] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10638] <... ioctl resumed>) = 0 [pid 10638] close(3) = 0 [pid 10638] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10638] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10642] memfd_create("syzkaller", 0) = 3 [pid 10642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10636] <... futex resumed>) = 0 [pid 10636] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10638] <... futex resumed>) = 0 [pid 10638] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10638] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10638] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10636] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10638] <... socket resumed>) = 4 [pid 10636] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10638] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10636] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10636] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10638] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10640] <... close resumed>) = 0 [pid 10640] mkdir("./file0", 0777 [pid 10642] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10642] munmap(0x7fb91de38000, 138412032 [pid 10640] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10640] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10642] <... munmap resumed>) = 0 [pid 10642] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10642] ioctl(4, LOOP_SET_FD, 3 [pid 10640] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10640] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10640] ioctl(3, LOOP_CLR_FD [pid 10642] <... ioctl resumed>) = 0 [pid 10642] close(3) = 0 [pid 10642] close(4) = 0 [pid 10638] <... sendto resumed>) = 32 [pid 10638] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10636}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10642] mkdir("./file0", 0777 [pid 10638] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10627] <... sendmsg resumed>) = 64 [pid 10642] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10638] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10636] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10627] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10642] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10636] <... futex resumed>) = 0 [pid 10627] <... futex resumed>) = 0 [pid 10638] getsockname(4, [pid 10636] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10625] exit_group(0 [pid 10637] <... futex resumed>) = ? [pid 10625] <... exit_group resumed>) = ? [pid 10637] +++ exited with 0 +++ [pid 10638] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10636, nl_groups=00000000}, [116 => 12]) = 0 [pid 10638] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10638] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10636] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10636] <... futex resumed>) = 0 [pid 10638] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8c\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10636] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10627] +++ exited with 0 +++ [pid 10625] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10625, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10644 ./strace-static-x86_64: Process 10644 attached [pid 10644] set_robust_list(0x5555555916a0, 24) = 0 [pid 10644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10644] setpgid(0, 0) = 0 [pid 10644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10644] write(3, "1000", 4) = 4 [pid 10644] close(3) = 0 [pid 10644] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 151.010070][T10634] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 151.029005][T10640] exfat: Bad value for 'uid' [ 151.029505][T10642] loop1: detected capacity change from 0 to 256 [ 151.048337][T10642] exfat: Bad value for 'uid' [pid 10644] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10644] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10645]}, 88) = 10645 [pid 10644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10644] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10644] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10645 attached [pid 10645] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10645] memfd_create("syzkaller", 0 [pid 10642] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10645] <... memfd_create resumed>) = 3 [pid 10642] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10642] <... openat resumed>) = 3 [pid 10645] <... mmap resumed>) = 0x7fb91de38000 [pid 10642] ioctl(3, LOOP_CLR_FD [pid 10633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10633] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10645] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10633] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10645] <... write resumed>) = 131072 [pid 10633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10647]}, 88) = 10647 [pid 10633] rt_sigprocmask(SIG_SETMASK, [], [pid 10645] munmap(0x7fb91de38000, 138412032 [pid 10633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10633] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10633] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10647 attached [pid 10647] set_robust_list(0x7fb9262379a0, 24 [pid 10645] <... munmap resumed>) = 0 [pid 10645] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 10645] ioctl(4, LOOP_SET_FD, 3 [pid 10647] <... set_robust_list resumed>) = 0 [pid 10647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10647] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10647] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10633] <... futex resumed>) = 0 [pid 10633] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10633] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10647] <... futex resumed>) = 1 [pid 10647] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10647] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10633] <... futex resumed>) = 0 [pid 10633] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10633] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10647] <... futex resumed>) = 1 [pid 10647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10647] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10633] <... futex resumed>) = 0 [pid 10633] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10633] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10647] <... futex resumed>) = 1 [pid 10647] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10645] <... ioctl resumed>) = 0 [pid 10647] <... bpf resumed>) = 7 [pid 10647] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10645] close(3 [pid 10633] <... futex resumed>) = 0 [pid 10647] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10633] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] <... close resumed>) = 0 [pid 10647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10645] close(4 [pid 10633] <... futex resumed>) = 0 [pid 10633] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10647] <... bpf resumed>) = 8 [pid 10647] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10647] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10633] <... futex resumed>) = 0 [pid 10645] <... close resumed>) = 0 [pid 10645] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10633] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10633] <... futex resumed>) = 1 [pid 10633] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10647] <... futex resumed>) = 0 [pid 10647] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10640] <... ioctl resumed>) = 0 [pid 10640] close(3 [pid 10647] <... bpf resumed>) = 9 [pid 10645] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10640] <... close resumed>) = 0 [pid 10647] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10640] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] <... openat resumed>) = 3 [pid 10640] <... futex resumed>) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10640] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10639] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] ioctl(3, LOOP_CLR_FD [pid 10647] <... futex resumed>) = 1 [pid 10640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10639] <... futex resumed>) = 0 [pid 10633] <... futex resumed>) = 0 [pid 10647] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10645] <... ioctl resumed>) = 0 [pid 10640] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10639] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10640] <... socket resumed>) = 3 [pid 10640] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10640] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10639] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10639] <... futex resumed>) = 0 [pid 10642] <... ioctl resumed>) = 0 [pid 10640] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10639] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10640] <... socket resumed>) = 4 [pid 10640] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10640] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10639] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10639] <... futex resumed>) = 0 [pid 10642] close(3 [pid 10640] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10639] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10645] close(3 [pid 10642] <... close resumed>) = 0 [pid 10640] <... sendto resumed>) = 32 [pid 10645] <... close resumed>) = 0 [pid 10642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] recvfrom(4, [pid 10645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10642] <... futex resumed>) = 1 [pid 10641] <... futex resumed>) = 0 [pid 10640] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10639}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10645] <... futex resumed>) = 1 [pid 10644] <... futex resumed>) = 0 [pid 10642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10644] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10641] <... futex resumed>) = 0 [pid 10640] <... futex resumed>) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10645] <... socket resumed>) = 3 [pid 10644] <... futex resumed>) = 0 [pid 10642] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10640] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10639] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10642] <... socket resumed>) = 3 [pid 10640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10639] <... futex resumed>) = 0 [pid 10645] <... futex resumed>) = 0 [pid 10644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] getsockname(4, [pid 10639] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10645] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10644] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10642] <... futex resumed>) = 1 [pid 10641] <... futex resumed>) = 0 [pid 10640] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10639, nl_groups=00000000}, [116 => 12]) = 0 [pid 10645] <... socket resumed>) = 4 [pid 10644] <... futex resumed>) = 0 [pid 10642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10641] <... futex resumed>) = 0 [pid 10640] <... futex resumed>) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10645] <... futex resumed>) = 0 [pid 10644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10642] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10640] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10639] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10644] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10642] <... socket resumed>) = 4 [pid 10640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10639] <... futex resumed>) = 0 [pid 10636] <... futex resumed>) = 0 [pid 10645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10644] <... futex resumed>) = 0 [pid 10642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [ 151.054739][T10638] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 151.074898][T10645] loop0: detected capacity change from 0 to 256 [ 151.086195][T10645] exfat: Bad value for 'uid' [pid 10640] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8f\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10639] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10645] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10644] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10642] <... futex resumed>) = 1 [pid 10641] <... futex resumed>) = 0 [pid 10636] <... mmap resumed>) = 0x7fb926217000 [pid 10642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10641] <... futex resumed>) = 0 [pid 10636] <... mprotect resumed>) = 0 [pid 10642] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10648]}, 88) = 10648 [pid 10636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10636] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10636] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10648 attached [pid 10648] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10648] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10648] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] <... futex resumed>) = 0 [pid 10636] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10636] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] <... futex resumed>) = 1 [pid 10648] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10648] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10636] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10636] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10634] <... sendmsg resumed>) = 64 [pid 10634] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10634] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10645] <... sendto resumed>) = 32 [pid 10642] <... sendto resumed>) = 32 [pid 10633] exit_group(0 [pid 10647] <... futex resumed>) = ? [pid 10645] recvfrom(4, [pid 10642] recvfrom(4, [pid 10634] <... futex resumed>) = ? [pid 10633] <... exit_group resumed>) = ? [pid 10648] <... bpf resumed>) = 6 [pid 10647] +++ exited with 0 +++ [pid 10645] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10644}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10642] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10641}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10648] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10634] +++ exited with 0 +++ [pid 10648] <... futex resumed>) = 1 [pid 10645] <... futex resumed>) = 1 [pid 10644] <... futex resumed>) = 0 [pid 10648] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10644] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10633] +++ exited with 0 +++ [pid 10642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] <... futex resumed>) = 0 [pid 10645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10644] <... futex resumed>) = 0 [pid 10642] <... futex resumed>) = 1 [pid 10641] <... futex resumed>) = 0 [pid 10636] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10645] getsockname(4, [pid 10644] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] <... futex resumed>) = 1 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10633, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10645] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10644, nl_groups=00000000}, [116 => 12]) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 10645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10644] <... futex resumed>) = 0 [pid 10642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10641] <... futex resumed>) = 0 [pid 10636] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10644] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10642] getsockname(4, [pid 10641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10644] <... futex resumed>) = 0 [pid 10645] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x94\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10644] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] <... futex resumed>) = 0 [pid 10642] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10641, nl_groups=00000000}, [116 => 12]) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 10642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10641] <... futex resumed>) = 0 [pid 10648] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10641] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 10642] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x91\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10651 ./strace-static-x86_64: Process 10651 attached [pid 10651] set_robust_list(0x5555555916a0, 24) = 0 [pid 10651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10651] setpgid(0, 0) = 0 [pid 10651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10651] write(3, "1000", 4) = 4 [pid 10651] close(3) = 0 [pid 10651] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10651] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10653]}, 88) = 10653 [pid 10651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10651] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10653 attached [pid 10653] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10653] memfd_create("syzkaller", 0 [pid 10648] <... bpf resumed>) = 7 [pid 10653] <... memfd_create resumed>) = 3 [pid 10653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10648] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10636] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10636] <... futex resumed>) = 0 [pid 10648] <... bpf resumed>) = 8 [pid 10636] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10648] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10636] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10648] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10636] <... futex resumed>) = 0 [pid 10636] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10653] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10648] <... bpf resumed>) = 9 [pid 10653] <... write resumed>) = 131072 [pid 10648] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] munmap(0x7fb91de38000, 138412032) = 0 [pid 10648] <... futex resumed>) = 1 [pid 10636] <... futex resumed>) = 0 [pid 10648] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10653] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 151.107185][T10640] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 10653] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10653] close(3) = 0 [pid 10653] close(4) = 0 [pid 10653] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10653] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10639] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10639] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10639] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10654]}, 88) = 10654 [pid 10639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10639] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 10654 attached [pid 10653] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10639] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10653] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10654] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10653] ioctl(3, LOOP_CLR_FD [pid 10654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10654] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10639] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10639] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10654] <... futex resumed>) = 0 [pid 10654] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10639] <... futex resumed>) = 0 [pid 10639] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10639] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10654] <... futex resumed>) = 1 [pid 10654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10639] <... futex resumed>) = 0 [pid 10639] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10639] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10654] <... futex resumed>) = 1 [pid 10654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10639] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10639] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10639] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10639] <... futex resumed>) = 0 [pid 10639] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10654] <... bpf resumed>) = 9 [pid 10654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10639] <... futex resumed>) = 0 [pid 10654] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10644] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10644] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10644] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10641] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10641] <... futex resumed>) = 0 [pid 10644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10641] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10644] <... clone3 resumed> => {parent_tid=[10655]}, 88) = 10655 [pid 10641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10644] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10655 attached ./strace-static-x86_64: Process 10656 attached NULL, 8) = 0 [pid 10641] <... clone3 resumed> => {parent_tid=[10656]}, 88) = 10656 [pid 10656] set_robust_list(0x7fb9262379a0, 24 [pid 10655] set_robust_list(0x7fb9262379a0, 24 [pid 10644] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10644] <... futex resumed>) = 0 [pid 10641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10641] <... futex resumed>) = 0 [pid 10641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10656] <... set_robust_list resumed>) = 0 [pid 10656] rt_sigprocmask(SIG_SETMASK, [], [pid 10655] <... set_robust_list resumed>) = 0 [pid 10656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10656] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10655] rt_sigprocmask(SIG_SETMASK, [], [pid 10656] <... bpf resumed>) = 5 [pid 10656] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10641] <... futex resumed>) = 0 [pid 10655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10656] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10641] <... futex resumed>) = 0 [pid 10656] <... bpf resumed>) = 0 [pid 10656] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... bpf resumed>) = 5 [pid 10641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10656] <... futex resumed>) = 0 [pid 10641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10656] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] <... futex resumed>) = 0 [pid 10656] <... bpf resumed>) = 6 [pid 10655] <... futex resumed>) = 1 [pid 10644] <... futex resumed>) = 0 [pid 10641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10656] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10656] <... futex resumed>) = 1 [pid 10644] <... futex resumed>) = 0 [pid 10641] <... futex resumed>) = 0 [pid 10656] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10644] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10656] <... bpf resumed>) = 7 [pid 10641] <... futex resumed>) = 0 [pid 10656] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10656] <... futex resumed>) = 0 [pid 10641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10656] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10641] <... futex resumed>) = 0 [pid 10655] <... bpf resumed>) = 0 [pid 10641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10655] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10656] <... bpf resumed>) = 8 [pid 10653] <... ioctl resumed>) = 0 [pid 10656] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] close(3 [pid 10656] <... futex resumed>) = 1 [pid 10653] <... close resumed>) = 0 [pid 10641] <... futex resumed>) = 0 [pid 10656] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10653] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10653] <... futex resumed>) = 1 [pid 10641] <... futex resumed>) = 0 [pid 10656] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10653] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10656] <... bpf resumed>) = 9 [pid 10656] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10641] <... futex resumed>) = 0 [pid 10656] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10651] <... futex resumed>) = 0 [pid 10651] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10653] <... futex resumed>) = 0 [pid 10653] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10651] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10653] <... socket resumed>) = 3 [pid 10653] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... futex resumed>) = 1 [pid 10653] <... futex resumed>) = 1 [pid 10651] <... futex resumed>) = 0 [pid 10644] <... futex resumed>) = 0 [pid 10655] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10653] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10651] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10644] <... futex resumed>) = 0 [pid 10653] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10651] <... futex resumed>) = 0 [pid 10644] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10653] <... socket resumed>) = 4 [pid 10651] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10653] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10655] <... bpf resumed>) = 6 [pid 10655] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10651] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... futex resumed>) = 1 [pid 10653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10651] <... futex resumed>) = 0 [pid 10644] <... futex resumed>) = 0 [pid 10655] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10653] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10651] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10644] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10653] <... sendto resumed>) = 32 [pid 10644] <... futex resumed>) = 0 [pid 10655] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10653] recvfrom(4, [pid 10644] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10655] <... bpf resumed>) = 7 [pid 10653] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10651}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10655] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... futex resumed>) = 1 [pid 10653] <... futex resumed>) = 1 [pid 10651] <... futex resumed>) = 0 [pid 10644] <... futex resumed>) = 0 [pid 10655] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10653] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10651] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10651] <... futex resumed>) = 0 [pid 10644] <... futex resumed>) = 0 [pid 10655] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10653] getsockname(4, [pid 10651] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10644] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10655] <... bpf resumed>) = 8 [pid 10653] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10651, nl_groups=00000000}, [116 => 12]) = 0 [pid 10655] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... futex resumed>) = 1 [pid 10653] <... futex resumed>) = 1 [pid 10651] <... futex resumed>) = 0 [pid 10644] <... futex resumed>) = 0 [pid 10655] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10653] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10651] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10644] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10651] <... futex resumed>) = 0 [pid 10644] <... futex resumed>) = 0 [pid 10655] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [ 151.154121][T10653] loop2: detected capacity change from 0 to 256 [ 151.162716][T10653] exfat: Bad value for 'uid' [pid 10653] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9b\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10651] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10644] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10655] <... bpf resumed>) = 9 [pid 10655] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10644] <... futex resumed>) = 0 [pid 10655] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10638] <... sendmsg resumed>) = 64 [pid 10638] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10636] exit_group(0 [pid 10648] <... futex resumed>) = ? [pid 10638] <... futex resumed>) = ? [pid 10636] <... exit_group resumed>) = ? [pid 10648] +++ exited with 0 +++ [pid 10638] +++ exited with 0 +++ [pid 10636] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10636, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10658 ./strace-static-x86_64: Process 10658 attached [pid 10658] set_robust_list(0x5555555916a0, 24) = 0 [pid 10658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10658] setpgid(0, 0) = 0 [pid 10658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10658] write(3, "1000", 4) = 4 [pid 10658] close(3) = 0 [pid 10658] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10658] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10659]}, 88) = 10659 [pid 10658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10659 attached [pid 10659] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10659] memfd_create("syzkaller", 0) = 3 [pid 10659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10659] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10659] munmap(0x7fb91de38000, 138412032) = 0 [pid 10659] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10659] ioctl(4, LOOP_SET_FD, 3 [pid 10651] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10651] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10659] <... ioctl resumed>) = 0 [pid 10651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10645] <... sendmsg resumed>) = 64 [pid 10642] <... sendmsg resumed>) = 64 [pid 10640] <... sendmsg resumed>) = 64 [pid 10651] <... mmap resumed>) = 0x7fb926217000 [pid 10645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10640] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10651] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10645] <... futex resumed>) = 0 [pid 10642] <... futex resumed>) = 0 [pid 10641] exit_group(0 [pid 10640] <... futex resumed>) = 0 [pid 10651] <... mprotect resumed>) = 0 [pid 10645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10644] exit_group(0 [pid 10642] exit_group(0 [pid 10640] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10639] exit_group(0 [pid 10659] close(3 [pid 10656] <... futex resumed>) = ? [pid 10655] <... futex resumed>) = ? [pid 10654] <... futex resumed>) = ? [pid 10651] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10645] <... futex resumed>) = ? [pid 10644] <... exit_group resumed>) = ? [pid 10642] +++ exited with 0 +++ [pid 10641] <... exit_group resumed>) = ? [pid 10640] <... futex resumed>) = ? [pid 10639] <... exit_group resumed>) = ? [pid 10656] +++ exited with 0 +++ [pid 10655] +++ exited with 0 +++ [pid 10654] +++ exited with 0 +++ [pid 10641] +++ exited with 0 +++ [pid 10645] +++ exited with 0 +++ [pid 10644] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10641, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10644, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10640] +++ exited with 0 +++ [pid 10639] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10639, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10660 [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 294] <... openat resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD [pid 299] ioctl(3, LOOP_CLR_FD [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 10659] <... close resumed>) = 0 [pid 299] close(3 [pid 294] <... close resumed>) = 0 [pid 10659] close(4 [pid 299] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10659] <... close resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10659] mkdir("./file0", 0777 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10661 [pid 10659] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10662 [pid 10659] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10651] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10662 attached [pid 10662] set_robust_list(0x5555555916a0, 24) = 0 [pid 10651] <... clone3 resumed> => {parent_tid=[10663]}, 88) = 10663 [pid 10662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10662] setpgid(0, 0) = 0 [pid 10662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10651] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10662] <... openat resumed>) = 3 [pid 10659] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10662] write(3, "1000", 4) = 4 [pid 10662] close(3) = 0 [pid 10662] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10662] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10659] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10662] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10659] ioctl(3, LOOP_CLR_FD [pid 10662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10664]}, 88) = 10664 [pid 10662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10664 attached [pid 10664] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10664] memfd_create("syzkaller", 0) = 3 [pid 10664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10664] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10664] munmap(0x7fb91de38000, 138412032) = 0 [pid 10664] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 10664] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10660 attached ./strace-static-x86_64: Process 10663 attached ./strace-static-x86_64: Process 10661 attached [pid 10660] set_robust_list(0x5555555916a0, 24 [pid 10663] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10663] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10663] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10651] <... futex resumed>) = 0 [pid 10651] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10663] <... futex resumed>) = 1 [pid 10663] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10663] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10651] <... futex resumed>) = 0 [pid 10651] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10663] <... futex resumed>) = 1 [pid 10663] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10661] set_robust_list(0x5555555916a0, 24 [pid 10663] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10651] <... futex resumed>) = 0 [pid 10651] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10651] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10663] <... futex resumed>) = 1 [pid 10663] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10661] <... set_robust_list resumed>) = 0 [pid 10661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10660] <... set_robust_list resumed>) = 0 [pid 10660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10661] <... prctl resumed>) = 0 [pid 10660] <... prctl resumed>) = 0 [pid 10661] setpgid(0, 0 [pid 10660] setpgid(0, 0 [pid 10664] <... ioctl resumed>) = 0 [pid 10663] <... bpf resumed>) = 7 [pid 10661] <... setpgid resumed>) = 0 [pid 10660] <... setpgid resumed>) = 0 [pid 10664] close(3) = 0 [pid 10664] close(4) = 0 [pid 10664] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10664] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10663] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10651] <... futex resumed>) = 0 [pid 10651] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10663] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10663] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10663] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10661] <... openat resumed>) = 3 [pid 10661] write(3, "1000", 4) = 4 [pid 10661] close(3) = 0 [pid 10661] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10661] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10663] <... futex resumed>) = 0 [pid 10651] <... futex resumed>) = 1 [pid 10660] <... openat resumed>) = 3 [pid 10651] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10664] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10663] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10661] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10660] write(3, "1000", 4 [pid 10651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10664] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10660] <... write resumed>) = 4 [pid 10651] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10663] <... futex resumed>) = 0 [pid 10660] close(3 [pid 10651] <... futex resumed>) = 1 [pid 10663] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10660] <... close resumed>) = 0 [pid 10651] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10664] <... openat resumed>) = 3 [pid 10664] ioctl(3, LOOP_CLR_FD [pid 10661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10663] <... bpf resumed>) = 9 [pid 10660] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10663] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] <... futex resumed>) = 0 [pid 10651] <... futex resumed>) = 0 [pid 10660] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10663] <... futex resumed>) = 1 [pid 10660] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10663] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10661] <... mmap resumed>) = 0x7fb926238000 [pid 10660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10661] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10660] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10661] <... mprotect resumed>) = 0 [pid 10660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10661] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 10665 attached [], 8) = 0 [pid 10660] <... clone3 resumed> => {parent_tid=[10665]}, 88) = 10665 [pid 10661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10666 attached [pid 10665] set_robust_list(0x7fb9262589a0, 24 [pid 10660] rt_sigprocmask(SIG_SETMASK, [], [pid 10666] set_robust_list(0x7fb9262589a0, 24 [pid 10665] <... set_robust_list resumed>) = 0 [pid 10661] <... clone3 resumed> => {parent_tid=[10666]}, 88) = 10666 [pid 10660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10665] rt_sigprocmask(SIG_SETMASK, [], [pid 10660] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] <... set_robust_list resumed>) = 0 [pid 10661] rt_sigprocmask(SIG_SETMASK, [], [pid 10665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10660] <... futex resumed>) = 0 [pid 10660] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10665] memfd_create("syzkaller", 0 [pid 10666] rt_sigprocmask(SIG_SETMASK, [], [pid 10665] <... memfd_create resumed>) = 3 [pid 10666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10666] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10666] <... futex resumed>) = 0 [pid 10665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10666] memfd_create("syzkaller", 0 [pid 10665] <... mmap resumed>) = 0x7fb91de38000 [pid 10666] <... memfd_create resumed>) = 3 [pid 10666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10665] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10666] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10665] <... write resumed>) = 131072 [pid 10666] <... write resumed>) = 131072 [pid 10666] munmap(0x7fb91de38000, 138412032 [pid 10665] munmap(0x7fb91de38000, 138412032 [pid 10666] <... munmap resumed>) = 0 [pid 10666] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10665] <... munmap resumed>) = 0 [pid 10665] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10666] <... openat resumed>) = 4 [pid 10665] ioctl(4, LOOP_SET_FD, 3 [ 151.259606][T10659] loop4: detected capacity change from 0 to 256 [ 151.274783][T10659] exfat: Bad value for 'uid' [ 151.288983][T10664] loop3: detected capacity change from 0 to 256 [ 151.299620][T10664] exfat: Bad value for 'uid' [pid 10666] ioctl(4, LOOP_SET_FD, 3 [pid 10665] <... ioctl resumed>) = 0 [pid 10659] <... ioctl resumed>) = 0 [pid 10659] close(3) = 0 [pid 10659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10658] <... futex resumed>) = 0 [pid 10659] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10659] <... socket resumed>) = 3 [pid 10658] <... futex resumed>) = 0 [pid 10659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10659] <... futex resumed>) = 0 [pid 10658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10659] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10659] <... socket resumed>) = 4 [pid 10658] <... futex resumed>) = 0 [pid 10659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10659] <... futex resumed>) = 0 [pid 10658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10659] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10659] <... sendto resumed>) = 32 [pid 10658] <... futex resumed>) = 0 [pid 10659] recvfrom(4, [pid 10658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10659] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10658}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10658] <... futex resumed>) = 0 [pid 10659] getsockname(4, [pid 10658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10659] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10658, nl_groups=00000000}, [116 => 12]) = 0 [pid 10658] <... futex resumed>) = 0 [pid 10659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10659] <... futex resumed>) = 0 [pid 10658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10659] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa2\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10665] close(3) = 0 [pid 10665] close(4) = 0 [pid 10665] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10665] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10665] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10665] ioctl(3, LOOP_CLR_FD) = 0 [pid 10665] close(3) = 0 [pid 10665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] <... futex resumed>) = 0 [pid 10660] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10660] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10665] <... futex resumed>) = 1 [pid 10665] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] <... futex resumed>) = 0 [pid 10660] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10660] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10665] <... futex resumed>) = 1 [pid 10665] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 10665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] <... futex resumed>) = 0 [pid 10660] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10660] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10665] <... futex resumed>) = 1 [pid 10665] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10664] <... ioctl resumed>) = 0 [pid 10653] <... sendmsg resumed>) = 64 [pid 10664] close(3 [pid 10653] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10664] <... close resumed>) = 0 [pid 10653] <... futex resumed>) = 0 [pid 10653] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10651] exit_group(0 [pid 10666] <... ioctl resumed>) = 0 [pid 10664] <... futex resumed>) = 1 [pid 10663] <... futex resumed>) = ? [pid 10662] <... futex resumed>) = 0 [pid 10653] <... futex resumed>) = ? [pid 10651] <... exit_group resumed>) = ? [pid 10666] close(3 [pid 10664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10663] +++ exited with 0 +++ [pid 10662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10653] +++ exited with 0 +++ [pid 10651] +++ exited with 0 +++ [pid 10664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10662] <... futex resumed>) = 0 [pid 10666] <... close resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10651, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 10666] close(4 [pid 10664] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10665] <... sendto resumed>) = 32 [pid 10665] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10660}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10666] <... close resumed>) = 0 [pid 10664] <... socket resumed>) = 3 [pid 10664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10664] <... futex resumed>) = 1 [pid 10662] <... futex resumed>) = 0 [pid 10664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10666] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [ 151.314559][T10665] loop1: detected capacity change from 0 to 256 [ 151.314985][T10666] loop0: detected capacity change from 0 to 256 [ 151.327357][ T1850] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 151.332738][T10665] exfat: Bad value for 'uid' [pid 10664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10662] <... futex resumed>) = 0 [pid 10665] <... futex resumed>) = 1 [pid 10660] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 10660] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] ioctl(3, LOOP_CLR_FD [pid 10660] <... futex resumed>) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10660] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10668 [pid 10665] getsockname(4, {sa_family=AF_NETLINK, nl_pid=10660, nl_groups=00000000}, [116 => 12]) = 0 [pid 10665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] <... futex resumed>) = 0 [pid 10660] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10660] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10665] <... futex resumed>) = 1 [pid 10665] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa4\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 10668 attached [pid 10666] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10664] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10668] set_robust_list(0x5555555916a0, 24 [pid 10666] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10664] <... socket resumed>) = 4 [pid 10668] <... set_robust_list resumed>) = 0 [pid 10666] <... openat resumed>) = 3 [pid 10664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10666] ioctl(3, LOOP_CLR_FD [pid 10664] <... futex resumed>) = 1 [pid 10662] <... futex resumed>) = 0 [pid 10668] <... prctl resumed>) = 0 [pid 10664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] setpgid(0, 0 [pid 10664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10662] <... futex resumed>) = 0 [pid 10668] <... setpgid resumed>) = 0 [pid 10664] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10664] <... sendto resumed>) = 32 [pid 10668] <... openat resumed>) = 3 [pid 10664] recvfrom(4, [pid 10668] write(3, "1000", 4 [pid 10664] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10662}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10668] <... write resumed>) = 4 [pid 10664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] close(3 [pid 10664] <... futex resumed>) = 1 [pid 10662] <... futex resumed>) = 0 [pid 10668] <... close resumed>) = 0 [pid 10664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10662] <... futex resumed>) = 0 [pid 10664] getsockname(4, [pid 10662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10664] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10662, nl_groups=00000000}, [116 => 12]) = 0 [pid 10664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10664] <... futex resumed>) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10662] <... futex resumed>) = 0 [pid 10668] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10662] <... futex resumed>) = 1 [pid 10668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10664] <... futex resumed>) = 0 [pid 10668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10664] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa6\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10668] <... mmap resumed>) = 0x7fb926238000 [pid 10668] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10658] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10671 attached [pid 10668] <... clone3 resumed> => {parent_tid=[10671]}, 88) = 10671 [pid 10658] <... futex resumed>) = 0 [pid 10671] set_robust_list(0x7fb9262589a0, 24 [pid 10668] rt_sigprocmask(SIG_SETMASK, [], [pid 10671] <... set_robust_list resumed>) = 0 [pid 10668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10671] rt_sigprocmask(SIG_SETMASK, [], [pid 10668] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] <... mmap resumed>) = 0x7fb926217000 [pid 10668] <... futex resumed>) = 0 [pid 10658] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10668] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10658] <... mprotect resumed>) = 0 [pid 10658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10672]}, 88) = 10672 [pid 10658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10671] memfd_create("syzkaller", 0) = 3 [pid 10671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 10672 attached ) = 0x7fb91de38000 [pid 10672] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10672] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10671] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10672] <... bpf resumed>) = 5 [pid 10671] <... write resumed>) = 131072 [pid 10672] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10671] munmap(0x7fb91de38000, 138412032 [pid 10672] <... futex resumed>) = 1 [pid 10671] <... munmap resumed>) = 0 [pid 10658] <... futex resumed>) = 0 [pid 10671] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10671] <... openat resumed>) = 4 [pid 10658] <... futex resumed>) = 0 [pid 10671] ioctl(4, LOOP_SET_FD, 3 [pid 10658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10672] <... bpf resumed>) = 0 [pid 10672] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10672] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [ 151.365016][T10666] exfat: Bad value for 'uid' [pid 10658] <... futex resumed>) = 0 [pid 10658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] <... futex resumed>) = 0 [pid 10658] <... futex resumed>) = 1 [pid 10672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10672] <... bpf resumed>) = 6 [pid 10672] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10658] <... futex resumed>) = 0 [pid 10672] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10658] <... futex resumed>) = 0 [pid 10672] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10672] <... bpf resumed>) = 7 [pid 10671] <... ioctl resumed>) = 0 [pid 10671] close(3) = 0 [pid 10672] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10671] close(4 [pid 10672] <... futex resumed>) = 1 [pid 10658] <... futex resumed>) = 0 [pid 10672] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10658] <... futex resumed>) = 0 [pid 10672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10672] <... bpf resumed>) = 8 [pid 10672] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] <... futex resumed>) = 0 [pid 10672] <... futex resumed>) = 1 [pid 10658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10658] <... futex resumed>) = 0 [pid 10672] <... bpf resumed>) = 9 [pid 10658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10672] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] <... futex resumed>) = 0 [pid 10672] <... futex resumed>) = 1 [pid 10672] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10671] <... close resumed>) = 0 [pid 10671] mkdir("./file0", 0777 [pid 10666] <... ioctl resumed>) = 0 [pid 10671] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10666] close(3 [pid 10671] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10666] <... close resumed>) = 0 [pid 10666] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10661] <... futex resumed>) = 0 [pid 10666] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10661] <... futex resumed>) = 0 [pid 10666] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10666] <... socket resumed>) = 3 [pid 10666] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10661] <... futex resumed>) = 0 [pid 10666] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10671] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10671] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10666] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10661] <... futex resumed>) = 0 [pid 10671] <... openat resumed>) = 3 [pid 10666] <... socket resumed>) = 4 [pid 10661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10671] ioctl(3, LOOP_CLR_FD [pid 10666] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10666] <... futex resumed>) = 0 [pid 10661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10661] <... futex resumed>) = 0 [pid 10666] <... sendto resumed>) = 32 [pid 10661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10666] recvfrom(4, [pid 10660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10666] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10661}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10660] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10666] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10666] <... futex resumed>) = 1 [pid 10661] <... futex resumed>) = 0 [pid 10660] <... mmap resumed>) = 0x7fb926217000 [pid 10666] getsockname(4, [pid 10661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10666] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10661, nl_groups=00000000}, [116 => 12]) = 0 [pid 10661] <... futex resumed>) = 0 [pid 10660] <... mprotect resumed>) = 0 [pid 10666] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10666] <... futex resumed>) = 0 [pid 10661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10666] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10661] <... futex resumed>) = 0 [pid 10666] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa5\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10660] <... clone3 resumed> => {parent_tid=[10673]}, 88) = 10673 [pid 10660] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10673 attached NULL, 8) = 0 [pid 10660] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10660] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10673] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10673] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10660] <... futex resumed>) = 0 [pid 10673] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10660] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10660] <... futex resumed>) = 0 [pid 10673] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10660] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10673] <... bpf resumed>) = 0 [pid 10673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10660] <... futex resumed>) = 0 [pid 10673] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10660] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10660] <... futex resumed>) = 0 [pid 10660] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10673] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10673] <... futex resumed>) = 1 [pid 10660] <... futex resumed>) = 0 [pid 10662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10673] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10660] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10660] <... futex resumed>) = 0 [pid 10673] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10662] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10673] <... bpf resumed>) = 7 [pid 10662] <... futex resumed>) = 0 [pid 10673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10673] <... futex resumed>) = 1 [pid 10662] <... mmap resumed>) = 0x7fb926217000 [pid 10660] <... futex resumed>) = 0 [pid 10673] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10662] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10660] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] <... mprotect resumed>) = 0 [pid 10660] <... futex resumed>) = 0 [pid 10662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10660] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10675 attached => {parent_tid=[10675]}, 88) = 10675 [pid 10673] <... bpf resumed>) = 8 [pid 10662] rt_sigprocmask(SIG_SETMASK, [], [pid 10673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10673] <... futex resumed>) = 1 [pid 10662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10660] <... futex resumed>) = 0 [pid 10662] <... futex resumed>) = 0 [pid 10673] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10660] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10660] <... futex resumed>) = 0 [pid 10673] <... bpf resumed>) = 9 [pid 10660] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10660] <... futex resumed>) = 0 [pid 10673] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10675] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10675] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10675] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10662] <... futex resumed>) = 0 [pid 10662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10675] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10675] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10662] <... futex resumed>) = 0 [pid 10662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10675] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10675] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10662] <... futex resumed>) = 0 [pid 10662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10675] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10662] <... futex resumed>) = 0 [pid 10662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10675] <... bpf resumed>) = 7 [pid 10675] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10662] <... futex resumed>) = 0 [pid 10662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10675] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10675] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] <... futex resumed>) = 0 [pid 10662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10675] <... futex resumed>) = 1 [pid 10675] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 10675] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10662] <... futex resumed>) = 0 [ 151.392266][T10671] loop2: detected capacity change from 0 to 256 [ 151.408576][T10671] exfat: Bad value for 'uid' [pid 10675] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10671] <... ioctl resumed>) = 0 [pid 10659] <... sendmsg resumed>) = 64 [pid 10671] close(3 [pid 10659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10658] exit_group(0 [pid 10671] <... close resumed>) = 0 [pid 10659] <... futex resumed>) = ? [pid 10658] <... exit_group resumed>) = ? [pid 10671] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10659] +++ exited with 0 +++ [pid 10672] <... futex resumed>) = ? [pid 10671] <... futex resumed>) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10671] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10668] <... futex resumed>) = 0 [pid 10671] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10668] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10671] <... socket resumed>) = 3 [pid 10671] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10671] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10672] +++ exited with 0 +++ [pid 10671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10668] <... futex resumed>) = 0 [pid 10658] +++ exited with 0 +++ [pid 10671] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10668] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10671] <... socket resumed>) = 4 [pid 10661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10671] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10671] <... futex resumed>) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10661] <... futex resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10671] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] <... openat resumed>) = 3 [pid 10671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10668] <... futex resumed>) = 0 [pid 10661] <... mmap resumed>) = 0x7fb926217000 [pid 300] ioctl(3, LOOP_CLR_FD [pid 10671] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10668] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10661] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10671] <... sendto resumed>) = 32 [pid 10661] <... mprotect resumed>) = 0 [pid 300] close(3 [pid 10671] recvfrom(4, [pid 10661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 300] <... close resumed>) = 0 [pid 10671] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10668}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10671] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10668] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10676 [pid 10671] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10668] <... futex resumed>) = 0 [pid 10671] getsockname(4, [pid 10668] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10671] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10668, nl_groups=00000000}, [116 => 12]) = 0 [pid 10671] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10671] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10668] <... futex resumed>) = 0 [pid 10671] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xac\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10668] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10661] <... clone3 resumed> => {parent_tid=[10677]}, 88) = 10677 [pid 10661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 10677 attached [pid 10661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10677] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10677] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10677] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10661] <... futex resumed>) = 0 [pid 10677] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10677] <... bpf resumed>) = 0 [pid 10661] <... futex resumed>) = 0 [pid 10677] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 10677] <... futex resumed>) = 0 [pid 10661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10661] <... futex resumed>) = 0 [pid 10661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10677] <... bpf resumed>) = 6 [pid 10677] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10677] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10677] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10677] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10661] <... futex resumed>) = 0 [pid 10677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10676 attached [pid 10676] set_robust_list(0x5555555916a0, 24) = 0 [pid 10677] <... bpf resumed>) = 8 [pid 10676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10676] setpgid(0, 0) = 0 [pid 10676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10676] write(3, "1000", 4 [pid 10677] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] <... write resumed>) = 4 [pid 10677] <... futex resumed>) = 1 [pid 10676] close(3 [pid 10661] <... futex resumed>) = 0 [pid 10677] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] <... close resumed>) = 0 [pid 10661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10676] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10677] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10676] <... futex resumed>) = 0 [pid 10677] <... bpf resumed>) = 9 [pid 10676] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10677] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10677] <... futex resumed>) = 1 [pid 10676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10661] <... futex resumed>) = 0 [pid 10677] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10676] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10676] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10679 attached => {parent_tid=[10679]}, 88) = 10679 [pid 10676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10676] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10676] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10679] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10679] memfd_create("syzkaller", 0) = 3 [pid 10679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10679] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10679] munmap(0x7fb91de38000, 138412032) = 0 [pid 10679] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10679] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10679] close(3) = 0 [pid 10679] close(4) = 0 [pid 10679] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10679] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10679] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10679] ioctl(3, LOOP_CLR_FD) = 0 [pid 10668] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10665] <... sendmsg resumed>) = 64 [pid 10664] <... sendmsg resumed>) = 64 [pid 10679] close(3 [pid 10668] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10662] exit_group(0 [pid 10679] <... close resumed>) = 0 [pid 10675] <... futex resumed>) = ? [pid 10668] <... futex resumed>) = 0 [pid 10665] <... futex resumed>) = 0 [pid 10664] <... futex resumed>) = ? [pid 10662] <... exit_group resumed>) = ? [pid 10679] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10675] +++ exited with 0 +++ [pid 10668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10665] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10664] +++ exited with 0 +++ [pid 10662] +++ exited with 0 +++ [pid 10660] exit_group(0 [pid 10679] <... futex resumed>) = 1 [pid 10676] <... futex resumed>) = 0 [pid 10668] <... mmap resumed>) = 0x7fb926217000 [pid 10673] <... futex resumed>) = ? [pid 10665] <... futex resumed>) = ? [pid 10660] <... exit_group resumed>) = ? [pid 10679] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10676] <... futex resumed>) = 0 [pid 10668] <... mprotect resumed>) = 0 [pid 10679] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10676] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10679] <... socket resumed>) = 3 [pid 10668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10679] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10673] +++ exited with 0 +++ [pid 10668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10665] +++ exited with 0 +++ [pid 10679] <... futex resumed>) = 1 [pid 10676] <... futex resumed>) = 0 [pid 10679] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] <... clone3 resumed> => {parent_tid=[10680]}, 88) = 10680 [pid 10679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10676] <... futex resumed>) = 0 [pid 10668] rt_sigprocmask(SIG_SETMASK, [], [pid 10679] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10676] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10679] <... socket resumed>) = 4 [pid 10668] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10679] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] <... futex resumed>) = 0 [pid 10679] <... futex resumed>) = 1 [pid 10676] <... futex resumed>) = 0 [pid 10668] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10679] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10676] <... futex resumed>) = 0 [pid 10679] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10676] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10679] <... sendto resumed>) = 32 [pid 10679] recvfrom(4, [pid 299] <... openat resumed>) = 3 [pid 10679] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10676}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 299] ioctl(3, LOOP_CLR_FD [pid 10679] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10676] <... futex resumed>) = 0 [pid 10679] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10676] <... futex resumed>) = 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10679] getsockname(4, [pid 10676] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10679] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10676, nl_groups=00000000}, [116 => 12]) = 0 [pid 299] close(3 [pid 10679] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10676] <... futex resumed>) = 0 [pid 10679] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10676] <... futex resumed>) = 0 [pid 10679] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb4\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10676] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... close resumed>) = 0 ./strace-static-x86_64: Process 10680 attached [pid 10680] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10680] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10680] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] <... futex resumed>) = 0 [pid 10668] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10668] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10680] <... futex resumed>) = 1 [pid 10680] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10680] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] <... futex resumed>) = 0 [pid 10668] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10668] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10680] <... futex resumed>) = 1 [pid 10680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10682 [pid 10680] <... bpf resumed>) = 6 [pid 10680] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] <... futex resumed>) = 0 [pid 10668] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10668] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10680] <... futex resumed>) = 1 [pid 10680] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 10682 attached [pid 10682] set_robust_list(0x5555555916a0, 24) = 0 [pid 10682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10682] setpgid(0, 0) = 0 [pid 10682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10682] write(3, "1000", 4) = 4 [pid 10682] close(3) = 0 [pid 10682] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10682] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10682] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10682] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10683]}, 88) = 10683 [pid 10682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10682] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10682] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10683 attached [pid 10683] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10683] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10683] memfd_create("syzkaller", 0) = 3 [pid 10683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10683] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10683] munmap(0x7fb91de38000, 138412032) = 0 [pid 10683] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 151.499305][T10679] loop4: detected capacity change from 0 to 256 [ 151.507307][T10679] exfat: Bad value for 'uid' [pid 10683] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10683] close(3) = 0 [pid 10683] close(4) = 0 [pid 10683] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10683] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10680] <... bpf resumed>) = 7 [pid 10666] <... sendmsg resumed>) = 64 [pid 10660] +++ exited with 0 +++ [pid 10680] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10666] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10680] <... futex resumed>) = 1 [pid 10668] <... futex resumed>) = 0 [pid 10661] exit_group(0 [pid 10666] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10660, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10680] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10661] <... exit_group resumed>) = ? [pid 10677] <... futex resumed>) = ? [pid 10680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10668] <... futex resumed>) = 0 [pid 10666] +++ exited with 0 +++ [pid 10680] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10668] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10680] <... futex resumed>) = 0 [pid 10668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10680] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10668] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... openat resumed>) = 3 [pid 10680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10668] <... futex resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 10680] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10668] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10685 [pid 10683] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10683] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10683] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10685 attached [pid 10685] set_robust_list(0x5555555916a0, 24) = 0 [pid 10685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10685] setpgid(0, 0) = 0 [pid 10685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10685] write(3, "1000", 4) = 4 [pid 10685] close(3) = 0 [pid 10685] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10685] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10685] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10685] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10686 attached => {parent_tid=[10686]}, 88) = 10686 [pid 10686] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10686] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10685] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10685] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10686] <... futex resumed>) = 0 [pid 10686] memfd_create("syzkaller", 0) = 3 [pid 10686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10686] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10686] munmap(0x7fb91de38000, 138412032) = 0 [pid 10686] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10686] ioctl(4, LOOP_SET_FD, 3 [pid 10676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10676] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10686] <... ioctl resumed>) = 0 [pid 10677] +++ exited with 0 +++ [pid 10661] +++ exited with 0 +++ [pid 10686] close(3 [pid 10680] <... bpf resumed>) = 9 [pid 10676] <... futex resumed>) = 0 [pid 10680] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10661, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10680] <... futex resumed>) = 1 [pid 10676] <... mmap resumed>) = 0x7fb926217000 [pid 10668] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10680] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 294] <... openat resumed>) = 3 [pid 10686] <... close resumed>) = 0 [pid 10676] <... mprotect resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 10676] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10686] close(4 [pid 10676] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] close(3 [pid 10686] <... close resumed>) = 0 [pid 10676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 294] <... close resumed>) = 0 [pid 10686] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10686] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 10687 attached [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10687] set_robust_list(0x7fb9262379a0, 24 [pid 10683] <... ioctl resumed>) = 0 [pid 10676] <... clone3 resumed> => {parent_tid=[10687]}, 88) = 10687 [pid 10687] <... set_robust_list resumed>) = 0 [pid 10683] close(3 [pid 10676] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10688 [pid 10687] rt_sigprocmask(SIG_SETMASK, [], [pid 10683] <... close resumed>) = 0 [pid 10676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10683] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10687] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10676] <... futex resumed>) = 0 [pid 10687] <... bpf resumed>) = 5 [pid 10683] <... futex resumed>) = 1 [pid 10682] <... futex resumed>) = 0 [pid 10676] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10687] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10682] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10687] <... futex resumed>) = 0 [pid 10683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10682] <... futex resumed>) = 0 [pid 10676] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10687] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10683] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10682] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10676] <... futex resumed>) = 0 [pid 10687] <... bpf resumed>) = 0 [pid 10683] <... socket resumed>) = 3 [pid 10676] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10687] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10687] <... futex resumed>) = 1 [pid 10683] <... futex resumed>) = 1 [pid 10682] <... futex resumed>) = 0 [pid 10676] <... futex resumed>) = 0 [pid 10687] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10683] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10682] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10682] <... futex resumed>) = 0 [pid 10676] <... futex resumed>) = 0 [pid 10687] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10683] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10682] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10676] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10687] <... bpf resumed>) = 6 [pid 10683] <... socket resumed>) = 4 [pid 10687] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10687] <... futex resumed>) = 1 [pid 10683] <... futex resumed>) = 1 [pid 10682] <... futex resumed>) = 0 [pid 10676] <... futex resumed>) = 0 [pid 10687] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10683] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10682] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10688 attached [pid 10687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10686] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10683] <... sendto resumed>) = 32 [pid 10682] <... futex resumed>) = 0 [pid 10676] <... futex resumed>) = 0 [pid 10688] set_robust_list(0x5555555916a0, 24 [pid 10687] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10682] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10676] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10688] <... set_robust_list resumed>) = 0 [pid 10687] <... bpf resumed>) = 7 [pid 10683] recvfrom(4, [pid 10688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10687] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... prctl resumed>) = 0 [pid 10687] <... futex resumed>) = 1 [pid 10676] <... futex resumed>) = 0 [pid 10688] setpgid(0, 0 [pid 10687] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10686] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10683] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10682}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10676] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... setpgid resumed>) = 0 [pid 10687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10686] <... openat resumed>) = 3 [pid 10683] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] <... futex resumed>) = 0 [pid 10688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10687] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10686] ioctl(3, LOOP_CLR_FD [pid 10683] <... futex resumed>) = 1 [pid 10682] <... futex resumed>) = 0 [pid 10683] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10682] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10676] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10682] <... futex resumed>) = 0 [pid 10683] getsockname(4, [pid 10682] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10683] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10682, nl_groups=00000000}, [116 => 12]) = 0 [pid 10683] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10682] <... futex resumed>) = 0 [pid 10683] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 10682] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xba\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10682] <... futex resumed>) = 0 [pid 10682] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10688] <... openat resumed>) = 3 [pid 10688] write(3, "1000", 4) = 4 [pid 10688] close(3) = 0 [pid 10688] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10688] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10688] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10690]}, 88) = 10690 [pid 10688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10688] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10690 attached ) = 0 [pid 10687] <... bpf resumed>) = 8 [pid 10690] set_robust_list(0x7fb9262589a0, 24 [pid 10688] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10687] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10687] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10676] <... futex resumed>) = 0 [pid 10676] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10690] <... set_robust_list resumed>) = 0 [pid 10676] <... futex resumed>) = 1 [pid 10690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10676] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10687] <... futex resumed>) = 0 [pid 10690] memfd_create("syzkaller", 0) = 3 [pid 10687] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10690] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10687] <... bpf resumed>) = 9 [pid 10687] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10676] <... futex resumed>) = 0 [pid 10687] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10690] <... write resumed>) = 131072 [pid 10690] munmap(0x7fb91de38000, 138412032) = 0 [pid 10690] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 151.554551][T10683] loop3: detected capacity change from 0 to 256 [ 151.561600][T10683] exfat: Bad value for 'uid' [ 151.581585][T10686] loop1: detected capacity change from 0 to 256 [ 151.592625][T10686] exfat: Bad value for 'uid' [pid 10690] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10690] close(3) = 0 [pid 10690] close(4) = 0 [pid 10690] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10690] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10671] <... sendmsg resumed>) = 64 [pid 10690] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10686] <... ioctl resumed>) = 0 [pid 10671] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10686] close(3 [pid 10671] <... futex resumed>) = 0 [pid 10668] exit_group(0 [pid 10686] <... close resumed>) = 0 [pid 10680] <... futex resumed>) = ? [pid 10668] <... exit_group resumed>) = ? [pid 10686] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10680] +++ exited with 0 +++ [pid 10671] +++ exited with 0 +++ [pid 10686] <... futex resumed>) = 1 [pid 10685] <... futex resumed>) = 0 [pid 10686] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10685] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10685] <... futex resumed>) = 0 [pid 10686] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10685] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10686] <... socket resumed>) = 3 [pid 10686] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10679] <... sendmsg resumed>) = 64 [pid 10690] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10686] <... futex resumed>) = 1 [pid 10685] <... futex resumed>) = 0 [pid 10679] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10690] <... openat resumed>) = 3 [pid 10686] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10685] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10679] <... futex resumed>) = 0 [pid 10690] ioctl(3, LOOP_CLR_FD [pid 10686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10685] <... futex resumed>) = 0 [pid 10679] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10686] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10685] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10676] exit_group(0 [pid 10687] <... futex resumed>) = ? [pid 10686] <... socket resumed>) = 4 [pid 10679] <... futex resumed>) = ? [pid 10676] <... exit_group resumed>) = ? [pid 10687] +++ exited with 0 +++ [pid 10686] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10679] +++ exited with 0 +++ [pid 10686] <... futex resumed>) = 1 [pid 10685] <... futex resumed>) = 0 [pid 10686] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10685] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10686] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10685] <... futex resumed>) = 0 [pid 10685] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10686] <... sendto resumed>) = 32 [pid 10686] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10685}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10686] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10685] <... futex resumed>) = 0 [pid 10686] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10685] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10685] <... futex resumed>) = 0 [pid 10686] getsockname(4, [pid 10685] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10686] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10685, nl_groups=00000000}, [116 => 12]) = 0 [pid 10686] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10685] <... futex resumed>) = 0 [pid 10686] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xbd\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10685] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10685] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10682] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10682] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10682] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10682] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10692 attached => {parent_tid=[10692]}, 88) = 10692 [pid 10682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10682] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10682] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10692] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10692] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10692] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10682] <... futex resumed>) = 0 [pid 10692] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10682] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10692] <... bpf resumed>) = 0 [pid 10682] <... futex resumed>) = 0 [pid 10692] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10682] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10692] <... futex resumed>) = 0 [pid 10682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10682] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10692] <... bpf resumed>) = 6 [pid 10682] <... futex resumed>) = 0 [pid 10692] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10682] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10692] <... futex resumed>) = 0 [pid 10682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10692] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10682] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10682] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10668] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10668, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10676] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] <... openat resumed>) = 3 [pid 298] close(3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 298] <... close resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] close(3) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10693 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10694 ./strace-static-x86_64: Process 10694 attached ./strace-static-x86_64: Process 10693 attached [pid 10694] set_robust_list(0x5555555916a0, 24 [pid 10693] set_robust_list(0x5555555916a0, 24 [pid 10694] <... set_robust_list resumed>) = 0 [pid 10693] <... set_robust_list resumed>) = 0 [pid 10694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10694] <... prctl resumed>) = 0 [pid 10693] <... prctl resumed>) = 0 [pid 10694] setpgid(0, 0 [pid 10693] setpgid(0, 0 [pid 10694] <... setpgid resumed>) = 0 [pid 10693] <... setpgid resumed>) = 0 [pid 10694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10694] <... openat resumed>) = 3 [pid 10693] <... openat resumed>) = 3 [pid 10694] write(3, "1000", 4) = 4 [ 151.626061][T10690] loop0: detected capacity change from 0 to 256 [ 151.634616][T10690] exfat: Bad value for 'uid' [pid 10693] write(3, "1000", 4 [pid 10690] <... ioctl resumed>) = 0 [pid 10683] <... sendmsg resumed>) = 64 [pid 10694] close(3 [pid 10690] close(3 [pid 10683] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10694] <... close resumed>) = 0 [pid 10690] <... close resumed>) = 0 [pid 10683] <... futex resumed>) = 0 [pid 10694] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10690] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] <... futex resumed>) = 0 [pid 10690] <... futex resumed>) = 1 [pid 10688] <... futex resumed>) = 0 [pid 10694] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10690] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10688] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10690] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10688] <... futex resumed>) = 0 [pid 10694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10690] <... socket resumed>) = 3 [pid 10688] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10690] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10694] <... mmap resumed>) = 0x7fb926238000 [pid 10693] <... write resumed>) = 4 [pid 10690] <... futex resumed>) = 0 [pid 10688] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10693] close(3 [pid 10690] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10688] <... futex resumed>) = 0 [pid 10693] <... close resumed>) = 0 [pid 10690] <... socket resumed>) = 4 [pid 10688] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10693] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10690] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10694] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10693] <... futex resumed>) = 0 [pid 10690] <... futex resumed>) = 0 [pid 10688] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10694] <... mprotect resumed>) = 0 [pid 10693] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10690] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10688] <... futex resumed>) = 0 [pid 10694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10688] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10690] <... sendto resumed>) = 32 [pid 10693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10690] recvfrom(4, [pid 10693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10690] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10688}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 ./strace-static-x86_64: Process 10695 attached [pid 10693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10690] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10695] rt_sigprocmask(SIG_SETMASK, [], [pid 10694] <... clone3 resumed> => {parent_tid=[10695]}, 88) = 10695 [pid 10690] <... futex resumed>) = 1 [pid 10688] <... futex resumed>) = 0 [pid 10695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10693] <... mmap resumed>) = 0x7fb926238000 [pid 10688] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10688] <... futex resumed>) = 0 [pid 10688] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10694] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] <... futex resumed>) = 0 [pid 10694] <... futex resumed>) = 1 [pid 10695] memfd_create("syzkaller", 0 [pid 10694] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10693] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10690] getsockname(4, [pid 10695] <... memfd_create resumed>) = 3 [pid 10690] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10688, nl_groups=00000000}, [116 => 12]) = 0 [pid 10693] <... mprotect resumed>) = 0 [pid 10690] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10690] <... futex resumed>) = 1 [pid 10688] <... futex resumed>) = 0 [pid 10695] <... mmap resumed>) = 0x7fb91de38000 [pid 10693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10690] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc0\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10688] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10688] <... futex resumed>) = 0 [pid 10693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10688] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10697 attached [pid 10695] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10692] <... bpf resumed>) = 7 [pid 10697] set_robust_list(0x7fb9262589a0, 24 [pid 10695] <... write resumed>) = 131072 [pid 10692] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] <... set_robust_list resumed>) = 0 [pid 10695] munmap(0x7fb91de38000, 138412032 [pid 10692] <... futex resumed>) = 1 [pid 10695] <... munmap resumed>) = 0 [pid 10693] <... clone3 resumed> => {parent_tid=[10697]}, 88) = 10697 [pid 10682] <... futex resumed>) = 0 [pid 10692] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10693] rt_sigprocmask(SIG_SETMASK, [], [pid 10682] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10683] <... futex resumed>) = 0 [pid 10682] <... futex resumed>) = 1 [pid 10693] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10682] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] rt_sigprocmask(SIG_SETMASK, [], [pid 10695] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10693] <... futex resumed>) = 0 [pid 10697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10693] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10683] <... bpf resumed>) = 8 [pid 10695] <... openat resumed>) = 4 [pid 10683] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10682] <... futex resumed>) = 0 [pid 10695] ioctl(4, LOOP_SET_FD, 3 [pid 10683] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10682] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] memfd_create("syzkaller", 0 [pid 10683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10682] <... futex resumed>) = 0 [pid 10683] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10682] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10685] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10683] <... bpf resumed>) = 9 [pid 10683] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10682] <... futex resumed>) = 0 [pid 10683] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10682] exit_group(0 [pid 10683] <... futex resumed>) = ? [pid 10682] <... exit_group resumed>) = ? [pid 10683] +++ exited with 0 +++ [pid 10697] <... memfd_create resumed>) = 3 [pid 10697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10697] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10697] munmap(0x7fb91de38000, 138412032) = 0 [pid 10697] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10697] ioctl(4, LOOP_SET_FD, 3 [pid 10695] <... ioctl resumed>) = 0 [pid 10692] <... futex resumed>) = ? [pid 10685] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] <... ioctl resumed>) = 0 [pid 10697] close(3) = 0 [pid 10697] close(4) = 0 [pid 10697] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10697] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10697] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10697] ioctl(3, LOOP_CLR_FD [pid 10695] close(3 [pid 10692] +++ exited with 0 +++ [pid 10682] +++ exited with 0 +++ [pid 10685] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10682, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 10695] <... close resumed>) = 0 [pid 10695] close(4) = 0 [pid 10695] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10695] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10685] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10685] <... mprotect resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 10685] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] ioctl(3, LOOP_CLR_FD [pid 10685] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 299] close(3) = 0 [pid 10685] <... clone3 resumed> => {parent_tid=[10698]}, 88) = 10698 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10685] rt_sigprocmask(SIG_SETMASK, [], [pid 10695] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10695] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10685] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10699 [pid 10685] <... futex resumed>) = 0 [pid 10685] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10695] <... openat resumed>) = 3 [pid 10695] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10699 attached [pid 10699] set_robust_list(0x5555555916a0, 24) = 0 [pid 10699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10699] setpgid(0, 0) = 0 [pid 10699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10699] write(3, "1000", 4) = 4 [pid 10699] close(3) = 0 [pid 10699] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10699] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10699] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10700]}, 88) = 10700 [pid 10699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10699] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10699] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10700 attached [pid 10700] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10700] memfd_create("syzkaller", 0) = 3 [pid 10700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10700] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10700] munmap(0x7fb91de38000, 138412032./strace-static-x86_64: Process 10698 attached ) = 0 [pid 10698] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10698] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10700] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10698] <... bpf resumed>) = 5 [pid 10698] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10685] <... futex resumed>) = 0 [pid 10700] <... openat resumed>) = 4 [pid 10698] <... futex resumed>) = 1 [pid 10685] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10700] ioctl(4, LOOP_SET_FD, 3 [pid 10698] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10685] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10698] <... bpf resumed>) = 0 [pid 10698] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10685] <... futex resumed>) = 0 [pid 10685] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10685] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10698] <... futex resumed>) = 1 [pid 10698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10698] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10685] <... futex resumed>) = 0 [pid 10685] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10685] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10698] <... futex resumed>) = 1 [pid 10698] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10700] <... ioctl resumed>) = 0 [pid 10698] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10688] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] close(3 [pid 10688] <... futex resumed>) = 0 [pid 10688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10700] <... close resumed>) = 0 [pid 10700] close(4 [pid 10688] <... mmap resumed>) = 0x7fb926217000 [pid 10685] <... futex resumed>) = 0 [pid 10698] <... futex resumed>) = 1 [pid 10688] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10685] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... close resumed>) = 0 [pid 10700] mkdir("./file0", 0777 [pid 10698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10685] <... futex resumed>) = 0 [pid 10688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10685] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10701]}, 88) = 10701 [pid 10688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10688] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 151.703774][T10695] loop4: detected capacity change from 0 to 256 [ 151.709189][T10697] loop2: detected capacity change from 0 to 256 [ 151.717215][T10697] exfat: Bad value for 'uid' [ 151.723411][T10695] exfat: Bad value for 'uid' [ 151.743223][T10700] loop3: detected capacity change from 0 to 256 [pid 10688] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10700] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10700] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 10701 attached [pid 10698] <... bpf resumed>) = 8 [pid 10701] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10701] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10701] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = 0 [pid 10688] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10688] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10701] <... futex resumed>) = 1 [pid 10701] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10701] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = 0 [pid 10688] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10700] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10688] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10701] <... futex resumed>) = 1 [pid 10700] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10698] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10700] <... openat resumed>) = 3 [pid 10685] <... futex resumed>) = 0 [pid 10685] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10685] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10700] ioctl(3, LOOP_CLR_FD [pid 10698] <... futex resumed>) = 1 [pid 10701] <... bpf resumed>) = 6 [pid 10698] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10701] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = 0 [pid 10688] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10688] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10701] <... futex resumed>) = 1 [pid 10701] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10701] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = 0 [pid 10688] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10688] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10701] <... futex resumed>) = 1 [pid 10701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10698] <... bpf resumed>) = 9 [pid 10698] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10685] <... futex resumed>) = 0 [pid 10698] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10701] <... bpf resumed>) = 8 [pid 10701] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = 0 [pid 10688] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10688] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10701] <... futex resumed>) = 1 [pid 10701] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 10701] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10688] <... futex resumed>) = 0 [pid 10701] <... futex resumed>) = 1 [ 151.752934][T10700] exfat: Bad value for 'uid' [pid 10701] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10700] <... ioctl resumed>) = 0 [pid 10697] <... ioctl resumed>) = 0 [pid 10695] <... ioctl resumed>) = 0 [pid 10700] close(3 [pid 10697] close(3 [pid 10695] close(3 [pid 10700] <... close resumed>) = 0 [pid 10697] <... close resumed>) = 0 [pid 10695] <... close resumed>) = 0 [pid 10700] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... futex resumed>) = 1 [pid 10699] <... futex resumed>) = 0 [pid 10697] <... futex resumed>) = 1 [pid 10695] <... futex resumed>) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10700] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10699] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10695] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10693] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... socket resumed>) = 3 [pid 10699] <... futex resumed>) = 0 [pid 10697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10693] <... futex resumed>) = 0 [pid 10700] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10693] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10700] <... futex resumed>) = 0 [pid 10699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10697] <... socket resumed>) = 3 [pid 10700] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10699] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... socket resumed>) = 4 [pid 10699] <... futex resumed>) = 0 [pid 10697] <... futex resumed>) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10700] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10693] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... futex resumed>) = 0 [pid 10699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10693] <... futex resumed>) = 0 [pid 10700] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10699] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10693] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10700] <... sendto resumed>) = 32 [pid 10699] <... futex resumed>) = 0 [pid 10697] <... socket resumed>) = 4 [pid 10700] recvfrom(4, [pid 10699] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10699}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10697] <... futex resumed>) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10700] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10693] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... futex resumed>) = 1 [pid 10699] <... futex resumed>) = 0 [pid 10697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10693] <... futex resumed>) = 0 [pid 10700] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10699] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10693] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10699] <... futex resumed>) = 0 [pid 10697] <... sendto resumed>) = 32 [pid 10700] getsockname(4, [pid 10699] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] recvfrom(4, [pid 10700] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10699, nl_groups=00000000}, [116 => 12]) = 0 [pid 10697] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10693}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10700] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... futex resumed>) = 1 [pid 10699] <... futex resumed>) = 0 [pid 10697] <... futex resumed>) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10693] <... futex resumed>) = 0 [pid 10700] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10699] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10693] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10699] <... futex resumed>) = 0 [pid 10697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10693] <... futex resumed>) = 0 [pid 10700] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xcb\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10699] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] getsockname(4, [pid 10693] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10697] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10693, nl_groups=00000000}, [116 => 12]) = 0 [pid 10697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10693] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10693] <... futex resumed>) = 0 [pid 10697] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc5\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10693] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10694] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] <... futex resumed>) = 0 [pid 10694] <... futex resumed>) = 1 [pid 10695] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10694] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10686] <... sendmsg resumed>) = 64 [pid 10695] <... socket resumed>) = 3 [pid 10686] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10695] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10686] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10695] <... futex resumed>) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10685] exit_group(0 [pid 10698] <... futex resumed>) = ? [pid 10695] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10694] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10686] <... futex resumed>) = ? [pid 10685] <... exit_group resumed>) = ? [pid 10698] +++ exited with 0 +++ [pid 10694] <... futex resumed>) = 0 [pid 10694] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10695] <... socket resumed>) = 4 [pid 10695] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10695] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] <... futex resumed>) = 0 [pid 10694] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10695] <... futex resumed>) = 0 [pid 10694] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10695] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 10695] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10694}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10695] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10695] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] <... futex resumed>) = 0 [pid 10694] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] <... futex resumed>) = 0 [pid 10694] <... futex resumed>) = 1 [pid 10695] getsockname(4, [pid 10694] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10695] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10694, nl_groups=00000000}, [116 => 12]) = 0 [pid 10695] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10695] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10694] <... futex resumed>) = 0 [pid 10695] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc6\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10694] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10690] <... sendmsg resumed>) = 64 [pid 10690] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10690] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10688] exit_group(0 [pid 10701] <... futex resumed>) = ? [pid 10688] <... exit_group resumed>) = ? [pid 10701] +++ exited with 0 +++ [pid 10690] <... futex resumed>) = ? [ 151.779563][ T318] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 151.788974][ T1850] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 10699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10699] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10699] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10705 attached => {parent_tid=[10705]}, 88) = 10705 [pid 10693] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10693] <... futex resumed>) = 0 [pid 10705] set_robust_list(0x7fb9262379a0, 24 [pid 10699] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10705] <... set_robust_list resumed>) = 0 [pid 10699] <... futex resumed>) = 0 [pid 10693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10699] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10693] <... mmap resumed>) = 0x7fb926217000 [pid 10705] rt_sigprocmask(SIG_SETMASK, [], [pid 10693] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10693] <... mprotect resumed>) = 0 [pid 10705] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10706 attached [pid 10705] <... bpf resumed>) = 5 [pid 10693] <... clone3 resumed> => {parent_tid=[10706]}, 88) = 10706 [pid 10693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10693] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10693] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10706] set_robust_list(0x7fb9262379a0, 24 [pid 10705] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10706] <... set_robust_list resumed>) = 0 [pid 10706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10706] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10705] <... futex resumed>) = 1 [pid 10699] <... futex resumed>) = 0 [pid 10706] <... bpf resumed>) = 5 [pid 10706] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10706] <... futex resumed>) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10706] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10693] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10693] <... futex resumed>) = 0 [pid 10686] +++ exited with 0 +++ [pid 10685] +++ exited with 0 +++ [pid 10706] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10693] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10706] <... bpf resumed>) = 0 [pid 10706] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10693] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10705] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10699] <... futex resumed>) = 0 [pid 10693] <... futex resumed>) = 0 [pid 10690] +++ exited with 0 +++ [pid 10688] +++ exited with 0 +++ [pid 10706] <... bpf resumed>) = 6 [pid 10705] <... bpf resumed>) = 0 [pid 10699] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10693] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10706] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10685, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10688, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10705] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10706] <... futex resumed>) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10693] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10693] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10705] <... futex resumed>) = 1 [pid 10699] <... futex resumed>) = 0 [pid 10699] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10699] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10705] <... bpf resumed>) = 6 [pid 10699] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 294] <... openat resumed>) = 3 [pid 10705] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD [pid 10705] <... futex resumed>) = 0 [pid 10699] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10705] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10699] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 10699] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] close(3 [pid 294] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10707 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10708 ./strace-static-x86_64: Process 10708 attached ./strace-static-x86_64: Process 10707 attached [pid 10708] set_robust_list(0x5555555916a0, 24 [pid 10707] set_robust_list(0x5555555916a0, 24 [pid 10708] <... set_robust_list resumed>) = 0 [pid 10707] <... set_robust_list resumed>) = 0 [pid 10708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10708] <... prctl resumed>) = 0 [pid 10707] <... prctl resumed>) = 0 [pid 10708] setpgid(0, 0 [pid 10707] setpgid(0, 0 [pid 10708] <... setpgid resumed>) = 0 [pid 10707] <... setpgid resumed>) = 0 [pid 10708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10708] <... openat resumed>) = 3 [pid 10707] <... openat resumed>) = 3 [pid 10708] write(3, "1000", 4 [pid 10707] write(3, "1000", 4 [pid 10708] <... write resumed>) = 4 [pid 10707] <... write resumed>) = 4 [pid 10708] close(3 [pid 10707] close(3 [pid 10708] <... close resumed>) = 0 [pid 10707] <... close resumed>) = 0 [pid 10708] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] <... futex resumed>) = 0 [pid 10707] <... futex resumed>) = 0 [pid 10708] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10707] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10708] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10708] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10707] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10707] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10708] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10707] <... clone3 resumed> => {parent_tid=[10709]}, 88) = 10709 [pid 10707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10709 attached [pid 10709] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10708] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10709] memfd_create("syzkaller", 0) = 3 [pid 10709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10708] <... clone3 resumed> => {parent_tid=[10710]}, 88) = 10710 ./strace-static-x86_64: Process 10710 attached [pid 10708] rt_sigprocmask(SIG_SETMASK, [], [pid 10710] set_robust_list(0x7fb9262589a0, 24 [pid 10708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10708] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10710] <... set_robust_list resumed>) = 0 [pid 10710] rt_sigprocmask(SIG_SETMASK, [], [pid 10709] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10709] <... write resumed>) = 131072 [pid 10709] munmap(0x7fb91de38000, 138412032 [pid 10710] memfd_create("syzkaller", 0 [pid 10709] <... munmap resumed>) = 0 [pid 10709] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10709] ioctl(4, LOOP_SET_FD, 3 [pid 10710] <... memfd_create resumed>) = 3 [pid 10710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10710] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10710] munmap(0x7fb91de38000, 138412032) = 0 [pid 10710] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 10710] ioctl(4, LOOP_SET_FD, 3 [pid 10694] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10705] <... bpf resumed>) = 7 [pid 10710] <... ioctl resumed>) = 0 [pid 10709] <... ioctl resumed>) = 0 [pid 10706] <... bpf resumed>) = 7 [pid 10705] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10694] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] close(3 [pid 10709] close(3 [pid 10706] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10705] <... futex resumed>) = 1 [pid 10699] <... futex resumed>) = 0 [pid 10694] <... futex resumed>) = 0 [pid 10706] <... futex resumed>) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10710] <... close resumed>) = 0 [pid 10709] <... close resumed>) = 0 [pid 10705] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10699] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10705] <... futex resumed>) = 0 [pid 10699] <... futex resumed>) = 1 [pid 10705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10699] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10710] close(4 [pid 10709] close(4 [pid 10706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10693] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10694] <... mmap resumed>) = 0x7fb926217000 [pid 10693] <... futex resumed>) = 0 [pid 10694] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10693] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10694] <... mprotect resumed>) = 0 [pid 10694] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10711]}, 88) = 10711 [pid 10694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10694] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10705] <... bpf resumed>) = 8 [pid 10705] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10699] <... futex resumed>) = 0 [pid 10710] <... close resumed>) = 0 [pid 10705] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10699] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] <... close resumed>) = 0 ./strace-static-x86_64: Process 10711 attached [pid 10710] mkdir("./file0", 0777 [pid 10709] mkdir("./file0", 0777 [pid 10706] <... bpf resumed>) = 8 [pid 10705] <... bpf resumed>) = 9 [pid 10699] <... futex resumed>) = 0 [pid 10694] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10705] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10699] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10705] <... futex resumed>) = 0 [pid 10699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10705] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10706] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10693] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10693] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10710] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10709] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10710] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10711] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10710] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10709] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10706] <... bpf resumed>) = 9 [pid 10711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10711] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10711] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10711] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10694] <... futex resumed>) = 0 [pid 10711] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10694] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10711] <... bpf resumed>) = 0 [pid 10711] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10709] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10706] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] <... futex resumed>) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10706] <... futex resumed>) = 1 [pid 10693] <... futex resumed>) = 0 [pid 10711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10706] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10694] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10710] <... openat resumed>) = 3 [pid 10709] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10710] ioctl(3, LOOP_CLR_FD [pid 10709] <... openat resumed>) = 3 [pid 10709] ioctl(3, LOOP_CLR_FD [pid 10711] <... bpf resumed>) = 6 [pid 10711] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10711] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10694] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] <... bpf resumed>) = 7 [pid 10711] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10711] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] <... futex resumed>) = 0 [pid 10694] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 10694] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] <... futex resumed>) = 0 [pid 10694] <... futex resumed>) = 1 [pid 10711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10694] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10711] <... bpf resumed>) = 8 [pid 10711] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10711] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10694] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10711] <... futex resumed>) = 0 [pid 10694] <... futex resumed>) = 1 [pid 10711] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10694] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10711] <... bpf resumed>) = 9 [pid 10711] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10694] <... futex resumed>) = 0 [pid 10711] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10700] <... sendmsg resumed>) = 64 [pid 10697] <... sendmsg resumed>) = 64 [pid 10700] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10700] <... futex resumed>) = 0 [pid 10699] exit_group(0 [pid 10697] <... futex resumed>) = 0 [pid 10693] exit_group(0 [pid 10706] <... futex resumed>) = ? [pid 10705] <... futex resumed>) = ? [pid 10699] <... exit_group resumed>) = ? [pid 10693] <... exit_group resumed>) = ? [pid 10706] +++ exited with 0 +++ [pid 10705] +++ exited with 0 +++ [pid 10700] +++ exited with 0 +++ [pid 10697] +++ exited with 0 +++ [pid 10699] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10699, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10712 ./strace-static-x86_64: Process 10712 attached [pid 10712] set_robust_list(0x5555555916a0, 24) = 0 [pid 10712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10710] <... ioctl resumed>) = 0 [pid 10709] <... ioctl resumed>) = 0 [pid 10710] close(3 [pid 10709] close(3 [pid 10710] <... close resumed>) = 0 [pid 10709] <... close resumed>) = 0 [pid 10710] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] <... futex resumed>) = 1 [pid 10709] <... futex resumed>) = 1 [pid 10707] <... futex resumed>) = 0 [pid 10710] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10709] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10707] <... futex resumed>) = 0 [pid 10709] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10709] <... socket resumed>) = 3 [pid 10709] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10707] <... futex resumed>) = 0 [pid 10709] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10707] <... futex resumed>) = 0 [pid 10709] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10709] <... socket resumed>) = 4 [pid 10709] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10707] <... futex resumed>) = 0 [pid 10709] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10707] <... futex resumed>) = 0 [pid 10709] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10709] <... sendto resumed>) = 32 [pid 10708] <... futex resumed>) = 0 [pid 10709] recvfrom(4, [pid 10708] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10707}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10709] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10707] <... futex resumed>) = 0 [pid 10709] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10707] <... futex resumed>) = 0 [pid 10709] getsockname(4, [pid 10707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10709] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10707, nl_groups=00000000}, [116 => 12]) = 0 [pid 10709] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10707] <... futex resumed>) = 0 [pid 10709] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10707] <... futex resumed>) = 0 [pid 10709] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd3\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10712] setpgid(0, 0) = 0 [pid 10712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10708] <... futex resumed>) = 1 [pid 10710] <... futex resumed>) = 0 [pid 10708] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10710] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10712] <... openat resumed>) = 3 [pid 10710] <... socket resumed>) = 3 [pid 10712] write(3, "1000", 4) = 4 [pid 10710] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] close(3) = 0 [pid 10710] <... futex resumed>) = 1 [pid 10708] <... futex resumed>) = 0 [pid 10710] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10708] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10710] <... socket resumed>) = 4 [pid 10708] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10712] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... futex resumed>) = 0 [pid 10712] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10710] <... futex resumed>) = 1 [pid 10708] <... futex resumed>) = 0 [pid 10710] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10708] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10712] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10708] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10710] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10712] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10712] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10714]}, 88) = 10714 [pid 10712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10712] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10712] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10714 attached [pid 10714] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10714] memfd_create("syzkaller", 0) = 3 [pid 10714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10714] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10714] munmap(0x7fb91de38000, 138412032) = 0 [pid 10714] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 151.864957][T10709] loop1: detected capacity change from 0 to 256 [ 151.869821][T10710] loop0: detected capacity change from 0 to 256 [ 151.887655][T10710] exfat: Bad value for 'uid' [ 151.892626][T10709] exfat: Bad value for 'uid' [pid 10714] ioctl(4, LOOP_SET_FD, 3 [pid 10695] <... sendmsg resumed>) = 64 [pid 10714] <... ioctl resumed>) = 0 [pid 10695] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10694] exit_group(0 [pid 10714] close(3 [pid 10711] <... futex resumed>) = ? [pid 10710] <... sendto resumed>) = 32 [pid 10695] <... futex resumed>) = ? [pid 10694] <... exit_group resumed>) = ? [pid 10711] +++ exited with 0 +++ [pid 10710] recvfrom(4, [pid 10695] +++ exited with 0 +++ [pid 10710] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10708}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10710] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10708] <... futex resumed>) = 0 [pid 10710] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10714] <... close resumed>) = 0 [pid 10714] close(4 [pid 10708] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] <... close resumed>) = 0 [pid 10714] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10714] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10710] <... futex resumed>) = 0 [pid 10708] <... futex resumed>) = 1 [pid 10710] getsockname(4, [pid 10708] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10710] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10708, nl_groups=00000000}, [116 => 12]) = 0 [pid 10710] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10708] <... futex resumed>) = 0 [pid 10710] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10708] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10708] <... futex resumed>) = 0 [pid 10710] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd4\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10708] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10693] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10693, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10694] +++ exited with 0 +++ [pid 10714] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 10714] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10694, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] <... restart_syscall resumed>) = 0 [pid 10714] <... openat resumed>) = 3 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 10714] ioctl(3, LOOP_CLR_FD [pid 300] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 298] ioctl(3, LOOP_CLR_FD [pid 300] <... openat resumed>) = 3 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] ioctl(3, LOOP_CLR_FD [pid 298] close(3 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] <... close resumed>) = 0 [pid 300] close(3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10716 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10717 ./strace-static-x86_64: Process 10716 attached [pid 10716] set_robust_list(0x5555555916a0, 24) = 0 [pid 10716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10716] setpgid(0, 0) = 0 [pid 10716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10716] write(3, "1000", 4) = 4 [pid 10716] close(3) = 0 [pid 10716] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10716] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10716] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10718]}, 88) = 10718 [pid 10716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10718 attached [pid 10718] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10718] memfd_create("syzkaller", 0) = 3 [pid 10718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10718] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 10717 attached ) = 131072 [pid 10718] munmap(0x7fb91de38000, 138412032 [pid 10717] set_robust_list(0x5555555916a0, 24) = 0 [pid 10718] <... munmap resumed>) = 0 [pid 10718] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10718] <... openat resumed>) = 4 [pid 10718] ioctl(4, LOOP_SET_FD, 3 [pid 10717] <... prctl resumed>) = 0 [pid 10717] setpgid(0, 0) = 0 [pid 10717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10717] write(3, "1000", 4) = 4 [pid 10717] close(3) = 0 [pid 10717] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10717] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10717] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10719]}, 88) = 10719 ./strace-static-x86_64: Process 10719 attached [pid 10718] <... ioctl resumed>) = 0 [pid 10717] rt_sigprocmask(SIG_SETMASK, [], [pid 10718] close(3) = 0 [pid 10718] close(4 [pid 10707] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10719] set_robust_list(0x7fb9262589a0, 24 [pid 10718] <... close resumed>) = 0 [pid 10717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10719] <... set_robust_list resumed>) = 0 [pid 10719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10719] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10718] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10718] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10717] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10707] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10707] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10720]}, 88) = 10720 [pid 10707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10717] <... futex resumed>) = 1 [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10720 attached [pid 10720] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10720] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10720] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10719] <... futex resumed>) = 0 [pid 10718] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10720] <... futex resumed>) = 1 [pid 10707] <... futex resumed>) = 0 [pid 10718] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10720] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10719] memfd_create("syzkaller", 0 [pid 10707] <... futex resumed>) = 0 [pid 10718] <... openat resumed>) = 3 [pid 10720] <... bpf resumed>) = 0 [pid 10720] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10720] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10719] <... memfd_create resumed>) = 3 [pid 10719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 10707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10720] <... futex resumed>) = 0 [pid 10720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10718] ioctl(3, LOOP_CLR_FD [pid 10720] <... bpf resumed>) = 6 [pid 10720] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] <... futex resumed>) = 0 [pid 10707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10720] <... futex resumed>) = 1 [pid 10720] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10720] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] <... futex resumed>) = 0 [pid 10707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10720] <... futex resumed>) = 1 [pid 10720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10719] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10720] <... bpf resumed>) = 8 [pid 10720] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] <... futex resumed>) = 0 [pid 10707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10720] <... futex resumed>) = 1 [pid 10720] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10719] <... write resumed>) = 131072 [pid 10720] <... bpf resumed>) = 9 [pid 10720] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10707] <... futex resumed>) = 0 [pid 10720] <... futex resumed>) = 1 [pid 10720] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10719] munmap(0x7fb91de38000, 138412032) = 0 [pid 10719] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 151.943489][T10714] loop3: detected capacity change from 0 to 256 [ 151.955486][T10714] exfat: Bad value for 'uid' [ 151.978500][T10718] loop2: detected capacity change from 0 to 256 [ 151.987063][T10718] exfat: Bad value for 'uid' [pid 10719] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10719] close(3) = 0 [pid 10719] close(4) = 0 [pid 10718] <... ioctl resumed>) = 0 [pid 10714] <... ioctl resumed>) = 0 [pid 10709] <... sendmsg resumed>) = 64 [pid 10714] close(3) = 0 [pid 10714] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10714] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10718] close(3) = 0 [pid 10718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] <... futex resumed>) = 0 [pid 10716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10718] <... futex resumed>) = 1 [pid 10708] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10708] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10708] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10721]}, 88) = 10721 [pid 10712] <... futex resumed>) = 0 [pid 10712] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10709] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10708] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10718] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] <... futex resumed>) = 0 [pid 10716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10718] <... futex resumed>) = 1 [pid 10718] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 10718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] <... futex resumed>) = 0 [pid 10716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10718] <... futex resumed>) = 1 [pid 10718] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10714] <... futex resumed>) = 0 [pid 10712] <... futex resumed>) = 1 [pid 10709] <... futex resumed>) = 0 [pid 10709] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10714] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10712] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10707] exit_group(0 [pid 10718] <... sendto resumed>) = 32 [pid 10718] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10716}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10720] <... futex resumed>) = ? [pid 10718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] <... socket resumed>) = 3 [pid 10709] <... futex resumed>) = ? [pid 10707] <... exit_group resumed>) = ? [pid 10720] +++ exited with 0 +++ [pid 10718] <... futex resumed>) = 1 [pid 10716] <... futex resumed>) = 0 [pid 10709] +++ exited with 0 +++ [pid 10718] getsockname(4, [pid 10716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10718] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10716, nl_groups=00000000}, [116 => 12]) = 0 [pid 10716] <... futex resumed>) = 0 [pid 10707] +++ exited with 0 +++ [pid 10714] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10718] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10707, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10718] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdc\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 10716] <... futex resumed>) = 0 [pid 10714] <... futex resumed>) = 1 [pid 10712] <... futex resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 10716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10714] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10712] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10712] <... futex resumed>) = 0 [pid 10719] mkdir("./file0", 0777 [pid 10714] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10712] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10719] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10714] <... socket resumed>) = 4 [pid 297] <... openat resumed>) = 3 [pid 10719] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10714] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10721 attached [pid 10714] <... futex resumed>) = 1 [pid 10712] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10721] set_robust_list(0x7fb9262379a0, 24 [pid 10714] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10712] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] <... set_robust_list resumed>) = 0 [pid 10714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10712] <... futex resumed>) = 0 [pid 10721] rt_sigprocmask(SIG_SETMASK, [], [pid 10714] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10712] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10721] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10721] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10708] <... futex resumed>) = 0 [pid 10721] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10708] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] <... bpf resumed>) = 0 [pid 10708] <... futex resumed>) = 0 [pid 10721] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10721] <... futex resumed>) = 0 [pid 10708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10721] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10708] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] <... bpf resumed>) = 6 [pid 10708] <... futex resumed>) = 0 [pid 10721] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10721] <... futex resumed>) = 0 [pid 10708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10721] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10708] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10708] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10719] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 297] close(3 [pid 10719] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 297] <... close resumed>) = 0 [pid 10719] <... openat resumed>) = 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10719] ioctl(3, LOOP_CLR_FD [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10723 ./strace-static-x86_64: Process 10723 attached [pid 10723] set_robust_list(0x5555555916a0, 24) = 0 [pid 10723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10723] setpgid(0, 0) = 0 [pid 10723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10723] write(3, "1000", 4) = 4 [pid 10723] close(3) = 0 [pid 10723] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10723] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10721] <... bpf resumed>) = 7 [pid 10714] <... sendto resumed>) = 32 [pid 10723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10721] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] recvfrom(4, [pid 10721] <... futex resumed>) = 1 [pid 10714] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10712}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10708] <... futex resumed>) = 0 [pid 10723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10721] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10714] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10714] <... futex resumed>) = 1 [pid 10712] <... futex resumed>) = 0 [pid 10708] <... futex resumed>) = 0 [pid 10721] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10714] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10712] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10723] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10721] <... bpf resumed>) = 8 [pid 10714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10712] <... futex resumed>) = 0 [pid 10721] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] getsockname(4, [pid 10723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10721] <... futex resumed>) = 1 [pid 10714] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10712, nl_groups=00000000}, [116 => 12]) = 0 [pid 10712] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10708] <... futex resumed>) = 0 [pid 10721] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10714] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10708] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10714] <... futex resumed>) = 0 [pid 10712] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10708] <... futex resumed>) = 0 [pid 10721] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10714] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd8\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10712] <... futex resumed>) = 0 [pid 10708] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10721] <... bpf resumed>) = 9 [pid 10712] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10721] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10723] <... clone3 resumed> => {parent_tid=[10725]}, 88) = 10725 [pid 10721] <... futex resumed>) = 1 [pid 10708] <... futex resumed>) = 0 [pid 10721] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10725 attached [pid 10723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10725] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10725] memfd_create("syzkaller", 0) = 3 [pid 10725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10725] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10725] munmap(0x7fb91de38000, 138412032) = 0 [pid 10725] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 151.999364][T10719] loop4: detected capacity change from 0 to 256 [ 152.023974][T10719] exfat: Bad value for 'uid' [pid 10725] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10725] close(3) = 0 [pid 10725] close(4) = 0 [pid 10725] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10725] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10725] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10725] ioctl(3, LOOP_CLR_FD [pid 10719] <... ioctl resumed>) = 0 [pid 10719] close(3) = 0 [pid 10719] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10710] <... sendmsg resumed>) = 64 [pid 10719] <... futex resumed>) = 1 [pid 10717] <... futex resumed>) = 0 [pid 10719] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10710] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10717] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10717] <... futex resumed>) = 0 [pid 10710] <... futex resumed>) = 0 [pid 10708] exit_group(0 [pid 10721] <... futex resumed>) = ? [pid 10719] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10708] <... exit_group resumed>) = ? [pid 10721] +++ exited with 0 +++ [pid 10719] <... socket resumed>) = 3 [pid 10716] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10710] +++ exited with 0 +++ [pid 10719] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10719] <... futex resumed>) = 1 [pid 10717] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = 0 [pid 10708] +++ exited with 0 +++ [pid 10719] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10717] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10708, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 10719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10717] <... futex resumed>) = 0 [pid 10716] <... mmap resumed>) = 0x7fb926217000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 10719] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10716] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 294] <... restart_syscall resumed>) = 0 [pid 10719] <... socket resumed>) = 4 [pid 10716] <... mprotect resumed>) = 0 [pid 10719] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10717] <... futex resumed>) = 0 [pid 10716] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10719] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10717] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10719] <... sendto resumed>) = 32 [pid 10717] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10719] recvfrom(4, [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10719] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10717}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 294] <... openat resumed>) = 3 [pid 10719] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] ioctl(3, LOOP_CLR_FD [pid 10719] <... futex resumed>) = 1 [pid 10717] <... futex resumed>) = 0 [pid 10716] <... clone3 resumed> => {parent_tid=[10726]}, 88) = 10726 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10719] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10717] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] rt_sigprocmask(SIG_SETMASK, [], [pid 294] close(3 [pid 10719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10717] <... futex resumed>) = 0 [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10719] getsockname(4, ./strace-static-x86_64: Process 10726 attached {sa_family=AF_NETLINK, nl_pid=10717, nl_groups=00000000}, [116 => 12]) = 0 [pid 10716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 10726] set_robust_list(0x7fb9262379a0, 24 [pid 10719] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10726] <... set_robust_list resumed>) = 0 [pid 10719] <... futex resumed>) = 1 [pid 10717] <... futex resumed>) = 0 [pid 10716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10726] rt_sigprocmask(SIG_SETMASK, [], [pid 10719] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10717] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10727 [pid 10726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10717] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10727 attached [pid 10726] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10719] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdd\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10727] set_robust_list(0x5555555916a0, 24 [pid 10726] <... bpf resumed>) = 5 [pid 10726] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10716] <... futex resumed>) = 0 [pid 10726] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10726] <... bpf resumed>) = 0 [pid 10716] <... futex resumed>) = 0 [pid 10726] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10726] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] <... set_robust_list resumed>) = 0 [pid 10726] <... bpf resumed>) = 6 [pid 10716] <... futex resumed>) = 0 [pid 10726] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10726] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10725] <... ioctl resumed>) = 0 [pid 10716] <... futex resumed>) = 0 [pid 10727] <... prctl resumed>) = 0 [pid 10727] setpgid(0, 0) = 0 [pid 10725] close(3 [pid 10716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10725] <... close resumed>) = 0 [pid 10727] <... openat resumed>) = 3 [pid 10727] write(3, "1000", 4 [pid 10725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] <... write resumed>) = 4 [pid 10712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10727] close(3 [pid 10725] <... futex resumed>) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10712] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] <... close resumed>) = 0 [pid 10725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... futex resumed>) = 0 [pid 10727] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10723] <... futex resumed>) = 0 [pid 10712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10727] <... futex resumed>) = 0 [pid 10725] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10727] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10725] <... socket resumed>) = 3 [pid 10712] <... mmap resumed>) = 0x7fb926217000 [pid 10727] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10726] <... bpf resumed>) = 7 [pid 10725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10725] <... futex resumed>) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10712] <... mprotect resumed>) = 0 [pid 10727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10723] <... futex resumed>) = 0 [pid 10712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10727] <... mmap resumed>) = 0x7fb926238000 [pid 10725] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10727] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10725] <... socket resumed>) = 4 [pid 10725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... clone3 resumed> => {parent_tid=[10729]}, 88) = 10729 [pid 10727] <... mprotect resumed>) = 0 [pid 10725] <... futex resumed>) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10712] rt_sigprocmask(SIG_SETMASK, [], [pid 10725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10723] <... futex resumed>) = 0 [pid 10712] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10725] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10712] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10729 attached [pid 10727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10726] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10725] <... sendto resumed>) = 32 [pid 10712] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10725] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10723}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10726] <... futex resumed>) = 1 [pid 10725] <... futex resumed>) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = 0 [pid 10725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] <... clone3 resumed> => {parent_tid=[10730]}, 88) = 10730 [pid 10726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10723] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = 0 [pid 10727] rt_sigprocmask(SIG_SETMASK, [], [pid 10725] getsockname(4, [pid 10723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10725] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10723, nl_groups=00000000}, [116 => 12]) = 0 [pid 10725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10723] <... futex resumed>) = 0 [pid 10725] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe3\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10730 attached [pid 10730] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10730] memfd_create("syzkaller", 0) = 3 [pid 10730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10730] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10729] set_robust_list(0x7fb9262379a0, 24 [pid 10726] <... bpf resumed>) = 8 [pid 10729] <... set_robust_list resumed>) = 0 [pid 10726] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10729] rt_sigprocmask(SIG_SETMASK, [], [pid 10726] <... futex resumed>) = 1 [pid 10729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10726] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10716] <... futex resumed>) = 0 [pid 10729] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10729] <... bpf resumed>) = 5 [pid 10729] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10726] <... futex resumed>) = 0 [pid 10716] <... futex resumed>) = 1 [pid 10730] <... write resumed>) = 131072 [pid 10729] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10712] <... futex resumed>) = 0 [pid 10730] munmap(0x7fb91de38000, 138412032 [pid 10726] <... bpf resumed>) = 9 [pid 10712] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10729] <... futex resumed>) = 0 [ 152.050204][T10725] loop1: detected capacity change from 0 to 256 [ 152.058608][T10725] exfat: Bad value for 'uid' [pid 10726] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... futex resumed>) = 1 [pid 10729] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10726] <... futex resumed>) = 1 [pid 10716] <... futex resumed>) = 0 [pid 10712] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10729] <... bpf resumed>) = 0 [pid 10729] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10726] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10730] <... munmap resumed>) = 0 [pid 10729] <... futex resumed>) = 1 [pid 10712] <... futex resumed>) = 0 [pid 10712] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10729] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10712] <... futex resumed>) = 0 [pid 10712] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10730] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 10730] ioctl(4, LOOP_SET_FD, 3 [pid 10729] <... bpf resumed>) = 6 [pid 10729] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10712] <... futex resumed>) = 0 [pid 10729] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10712] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10712] <... futex resumed>) = 0 [pid 10729] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10712] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10730] <... ioctl resumed>) = 0 [pid 10729] <... bpf resumed>) = 7 [pid 10730] close(3) = 0 [pid 10729] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] close(4 [pid 10712] <... futex resumed>) = 0 [pid 10730] <... close resumed>) = 0 [pid 10729] <... futex resumed>) = 1 [pid 10712] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] mkdir("./file0", 0777 [pid 10729] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10712] <... futex resumed>) = 0 [pid 10730] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10729] <... bpf resumed>) = 8 [pid 10712] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10730] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10729] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10729] <... futex resumed>) = 0 [pid 10712] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10712] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10729] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10730] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10729] <... bpf resumed>) = 9 [pid 10729] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10729] <... futex resumed>) = 1 [pid 10712] <... futex resumed>) = 0 [pid 10730] <... openat resumed>) = 3 [pid 10729] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10730] ioctl(3, LOOP_CLR_FD [pid 10717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 10717] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 10717] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10717] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10732]}, 88) = 10732 [pid 10717] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10732 attached NULL, 8) = 0 [pid 10732] set_robust_list(0x7fb9262379a0, 24 [pid 10717] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10732] <... set_robust_list resumed>) = 0 [pid 10732] rt_sigprocmask(SIG_SETMASK, [], [pid 10717] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10732] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10732] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10717] <... futex resumed>) = 0 [pid 10717] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10717] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10732] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10732] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10717] <... futex resumed>) = 0 [pid 10732] <... futex resumed>) = 1 [pid 10717] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10717] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10732] <... bpf resumed>) = 6 [pid 10732] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10717] <... futex resumed>) = 0 [pid 10732] <... futex resumed>) = 1 [pid 10717] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10732] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10717] <... futex resumed>) = 0 [pid 10717] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10732] <... bpf resumed>) = 7 [pid 10732] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10717] <... futex resumed>) = 0 [pid 10717] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10717] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10718] <... sendmsg resumed>) = 64 [pid 10714] <... sendmsg resumed>) = 64 [pid 10732] <... bpf resumed>) = 8 [pid 10718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10714] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10732] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10718] <... futex resumed>) = 0 [pid 10714] <... futex resumed>) = 0 [pid 10732] <... futex resumed>) = 1 [pid 10718] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10717] <... futex resumed>) = 0 [pid 10714] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10732] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10717] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10716] exit_group(0) = ? [pid 10718] <... futex resumed>) = ? [pid 10726] <... futex resumed>) = ? [pid 10718] +++ exited with 0 +++ [pid 10712] exit_group(0 [pid 10717] <... futex resumed>) = 1 [pid 10732] <... futex resumed>) = 0 [pid 10732] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 10732] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10729] <... futex resumed>) = ? [pid 10726] +++ exited with 0 +++ [pid 10717] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10716] +++ exited with 0 +++ [pid 10714] <... futex resumed>) = ? [pid 10712] <... exit_group resumed>) = ? [pid 10732] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10714] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 10723] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10723] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] close(3 [pid 10723] <... futex resumed>) = 0 [pid 10723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] <... close resumed>) = 0 [pid 10723] <... mmap resumed>) = 0x7fb926217000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10723] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10733 ./strace-static-x86_64: Process 10733 attached [pid 10723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10734]}, 88) = 10734 [pid 10723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10734 attached [pid 10734] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10734] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10733] set_robust_list(0x5555555916a0, 24 [pid 10734] <... bpf resumed>) = 5 [pid 10733] <... set_robust_list resumed>) = 0 [pid 10734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10734] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10723] <... futex resumed>) = 0 [pid 10723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10734] <... futex resumed>) = 1 [pid 10733] <... prctl resumed>) = 0 [pid 10723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10734] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10733] setpgid(0, 0) = 0 [pid 10733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10734] <... bpf resumed>) = 6 [pid 10733] write(3, "1000", 4) = 4 [pid 10733] close(3) = 0 [pid 10733] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10733] <... futex resumed>) = 0 [pid 10723] <... futex resumed>) = 0 [pid 10723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10734] <... futex resumed>) = 1 [pid 10734] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10733] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10733] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10733] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10735 attached => {parent_tid=[10735]}, 88) = 10735 [pid 10735] set_robust_list(0x7fb9262589a0, 24 [pid 10733] rt_sigprocmask(SIG_SETMASK, [], [pid 10735] <... set_robust_list resumed>) = 0 [pid 10733] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 152.114510][T10730] loop0: detected capacity change from 0 to 256 [ 152.124674][T10730] exfat: Bad value for 'uid' [pid 10733] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] rt_sigprocmask(SIG_SETMASK, [], [pid 10733] <... futex resumed>) = 0 [pid 10734] <... bpf resumed>) = 7 [pid 10729] +++ exited with 0 +++ [pid 10712] +++ exited with 0 +++ [pid 10735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10733] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10712, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10735] memfd_create("syzkaller", 0 [pid 10734] <... futex resumed>) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10735] <... memfd_create resumed>) = 3 [pid 10734] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10734] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10723] <... futex resumed>) = 0 [pid 10735] <... mmap resumed>) = 0x7fb91de38000 [pid 10723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10734] <... bpf resumed>) = 8 [pid 10734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10723] <... futex resumed>) = 0 [pid 10734] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10723] <... futex resumed>) = 0 [pid 10734] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 10723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10734] <... futex resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 10734] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 10735] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 299] <... close resumed>) = 0 [pid 10735] <... write resumed>) = 131072 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10736 [pid 10735] munmap(0x7fb91de38000, 138412032) = 0 [pid 10735] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 ./strace-static-x86_64: Process 10736 attached [pid 10735] ioctl(4, LOOP_SET_FD, 3 [pid 10736] set_robust_list(0x5555555916a0, 24) = 0 [pid 10736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10736] setpgid(0, 0) = 0 [pid 10736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10736] write(3, "1000", 4) = 4 [pid 10736] close(3) = 0 [pid 10736] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10736] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10736] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10737]}, 88) = 10737 [pid 10736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10737 attached [pid 10737] set_robust_list(0x7fb9262589a0, 24 [pid 10735] <... ioctl resumed>) = 0 [pid 10730] <... ioctl resumed>) = 0 [pid 10719] <... sendmsg resumed>) = 64 [pid 10737] <... set_robust_list resumed>) = 0 [pid 10735] close(3 [pid 10730] close(3 [pid 10719] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] rt_sigprocmask(SIG_SETMASK, [], [pid 10735] <... close resumed>) = 0 [pid 10730] <... close resumed>) = 0 [pid 10719] <... futex resumed>) = 0 [pid 10717] exit_group(0 [pid 10737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10735] close(4 [pid 10730] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10719] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10737] memfd_create("syzkaller", 0 [pid 10735] <... close resumed>) = 0 [pid 10730] <... futex resumed>) = 1 [pid 10727] <... futex resumed>) = 0 [pid 10737] <... memfd_create resumed>) = 3 [pid 10735] mkdir("./file0", 0777 [pid 10730] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10735] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10727] <... futex resumed>) = 0 [pid 10737] <... mmap resumed>) = 0x7fb91de38000 [pid 10735] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10730] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10735] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10732] <... futex resumed>) = ? [pid 10730] <... socket resumed>) = 3 [pid 10719] <... futex resumed>) = ? [pid 10717] <... exit_group resumed>) = ? [pid 10737] <... write resumed>) = 131072 [pid 10732] +++ exited with 0 +++ [pid 10730] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10719] +++ exited with 0 +++ [pid 10730] <... futex resumed>) = 1 [pid 10727] <... futex resumed>) = 0 [pid 10730] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] munmap(0x7fb91de38000, 138412032 [pid 10735] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10727] <... futex resumed>) = 0 [pid 10737] <... munmap resumed>) = 0 [pid 10735] <... openat resumed>) = 3 [pid 10730] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10735] ioctl(3, LOOP_CLR_FD [pid 10727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10730] <... socket resumed>) = 4 [pid 10730] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... openat resumed>) = 4 [pid 10730] <... futex resumed>) = 1 [pid 10727] <... futex resumed>) = 0 [pid 10730] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] ioctl(4, LOOP_SET_FD, 3 [pid 10730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10727] <... futex resumed>) = 0 [pid 10730] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] <... ioctl resumed>) = 0 [pid 10730] <... sendto resumed>) = 32 [pid 10730] recvfrom(4, [pid 10737] close(3 [pid 10730] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10727}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10737] <... close resumed>) = 0 [pid 10730] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10730] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10737] close(4 [pid 10727] <... futex resumed>) = 0 [pid 10737] <... close resumed>) = 0 [pid 10727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] mkdir("./file0", 0777 [pid 10730] <... futex resumed>) = 0 [pid 10727] <... futex resumed>) = 1 [pid 10737] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10730] getsockname(4, [pid 10727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10730] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10727, nl_groups=00000000}, [116 => 12]) = 0 [pid 10730] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10730] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10727] <... futex resumed>) = 0 [pid 10727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] <... futex resumed>) = 0 [pid 10727] <... futex resumed>) = 1 [pid 10730] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe7\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10737] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10737] ioctl(3, LOOP_CLR_FD [pid 10717] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10717, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10739 ./strace-static-x86_64: Process 10739 attached [pid 10739] set_robust_list(0x5555555916a0, 24) = 0 [pid 10739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10739] setpgid(0, 0) = 0 [pid 10739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10739] write(3, "1000", 4) = 4 [pid 10739] close(3) = 0 [pid 10739] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10739] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10739] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10725] <... sendmsg resumed>) = 64 [pid 10725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10723] exit_group(0 [pid 10725] <... futex resumed>) = ? [pid 10723] <... exit_group resumed>) = ? [pid 10725] +++ exited with 0 +++ [pid 10735] <... ioctl resumed>) = 0 [pid 10735] close(3 [pid 10734] <... futex resumed>) = ? ./strace-static-x86_64: Process 10740 attached [pid 10735] <... close resumed>) = 0 [pid 10734] +++ exited with 0 +++ [pid 10723] +++ exited with 0 +++ [pid 10739] <... clone3 resumed> => {parent_tid=[10740]}, 88) = 10740 [pid 10735] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] set_robust_list(0x7fb9262589a0, 24 [pid 10739] rt_sigprocmask(SIG_SETMASK, [], [pid 10735] <... futex resumed>) = 1 [pid 10733] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10723, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10740] <... set_robust_list resumed>) = 0 [pid 10739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10735] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10733] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10740] rt_sigprocmask(SIG_SETMASK, [], [pid 10739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10733] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 10740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10739] <... futex resumed>) = 0 [pid 10735] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10733] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] ioctl(3, LOOP_CLR_FD [pid 10740] memfd_create("syzkaller", 0 [pid 10739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10735] <... socket resumed>) = 3 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10735] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 10735] <... futex resumed>) = 1 [pid 10733] <... futex resumed>) = 0 [pid 10735] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10733] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 10740] <... memfd_create resumed>) = 3 [pid 10735] <... socket resumed>) = 4 [pid 10733] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10735] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10733] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10735] <... futex resumed>) = 0 [pid 10733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10741 [pid 10740] <... mmap resumed>) = 0x7fb91de38000 [pid 10735] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10733] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10733] <... futex resumed>) = 0 [pid 10735] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10733] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] <... ioctl resumed>) = 0 [pid 10735] <... sendto resumed>) = 32 [pid 10737] close(3 [pid 10735] recvfrom(4, [pid 10737] <... close resumed>) = 0 [pid 10735] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10733}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10737] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10737] <... futex resumed>) = 1 [pid 10736] <... futex resumed>) = 0 [pid 10735] <... futex resumed>) = 1 [pid 10733] <... futex resumed>) = 0 [pid 10737] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10733] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... write resumed>) = 131072 [pid 10737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10736] <... futex resumed>) = 0 [pid 10735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10733] <... futex resumed>) = 0 [pid 10740] munmap(0x7fb91de38000, 138412032 [pid 10737] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10735] getsockname(4, [pid 10733] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10740] <... munmap resumed>) = 0 [pid 10737] <... socket resumed>) = 3 [pid 10735] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10733, nl_groups=00000000}, [116 => 12]) = 0 [pid 10740] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10737] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... openat resumed>) = 4 [pid 10737] <... futex resumed>) = 1 [pid 10736] <... futex resumed>) = 0 [pid 10735] <... futex resumed>) = 1 [pid 10733] <... futex resumed>) = 0 [pid 10740] ioctl(4, LOOP_SET_FD, 3 [pid 10737] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10735] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10733] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10736] <... futex resumed>) = 0 [pid 10735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 152.184460][T10735] loop2: detected capacity change from 0 to 256 [ 152.197945][T10735] exfat: Bad value for 'uid' [ 152.206427][T10737] loop3: detected capacity change from 0 to 256 [ 152.217089][T10737] exfat: Bad value for 'uid' [pid 10733] <... futex resumed>) = 0 [pid 10736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10735] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xed\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10733] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10741 attached [pid 10741] set_robust_list(0x5555555916a0, 24) = 0 [pid 10741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10741] setpgid(0, 0) = 0 [pid 10741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10741] write(3, "1000", 4) = 4 [pid 10741] close(3) = 0 [pid 10741] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10741] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10737] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 10737] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10736] <... futex resumed>) = 0 [pid 10737] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... sendto resumed>) = 32 [pid 10736] <... futex resumed>) = 0 [pid 10737] recvfrom(4, [pid 10736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10736}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10737] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10736] <... futex resumed>) = 0 [pid 10737] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10736] <... futex resumed>) = 0 [pid 10737] getsockname(4, [pid 10736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10737] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10736, nl_groups=00000000}, [116 => 12]) = 0 [pid 10737] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10736] <... futex resumed>) = 0 [pid 10737] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10736] <... futex resumed>) = 0 [pid 10737] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf0\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10741] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10744]}, 88) = 10744 [pid 10741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10741] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10741] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10744 attached [pid 10744] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10744] memfd_create("syzkaller", 0) = 3 [pid 10744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10744] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10744] munmap(0x7fb91de38000, 138412032 [pid 10727] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10740] <... ioctl resumed>) = 0 [pid 10727] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10727] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10727] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10745]}, 88) = 10745 [pid 10727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10744] <... munmap resumed>) = 0 [pid 10744] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10744] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10745 attached [pid 10740] close(3) = 0 [pid 10740] close(4) = 0 [pid 10740] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10740] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10745] set_robust_list(0x7fb9262379a0, 24 [pid 10744] <... ioctl resumed>) = 0 [pid 10744] close(3) = 0 [pid 10744] close(4 [pid 10745] <... set_robust_list resumed>) = 0 [pid 10744] <... close resumed>) = 0 [pid 10740] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10740] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10745] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10744] mkdir("./file0", 0777 [pid 10745] <... bpf resumed>) = 5 [pid 10740] ioctl(3, LOOP_CLR_FD [pid 10744] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10744] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10727] <... futex resumed>) = 0 [pid 10727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10745] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] <... futex resumed>) = 0 [pid 10727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10745] <... futex resumed>) = 1 [pid 10745] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] <... futex resumed>) = 0 [pid 10727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10745] <... futex resumed>) = 1 [pid 10745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] <... futex resumed>) = 0 [pid 10727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10745] <... futex resumed>) = 1 [pid 10745] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10744] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10744] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10744] ioctl(3, LOOP_CLR_FD [pid 10745] <... bpf resumed>) = 8 [pid 10745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10727] <... futex resumed>) = 0 [pid 10745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10745] <... bpf resumed>) = 9 [pid 10745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10727] <... futex resumed>) = 0 [pid 10745] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10733] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10733] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10733] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10746 attached => {parent_tid=[10746]}, 88) = 10746 [pid 10733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10746] set_robust_list(0x7fb9262379a0, 24 [pid 10733] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10746] <... set_robust_list resumed>) = 0 [pid 10733] <... futex resumed>) = 0 [pid 10746] rt_sigprocmask(SIG_SETMASK, [], [pid 10733] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10746] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10746] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10733] <... futex resumed>) = 0 [pid 10733] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10746] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10733] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10746] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10746] <... futex resumed>) = 0 [pid 10733] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10746] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10733] <... futex resumed>) = 0 [pid 10733] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10746] <... bpf resumed>) = 6 [pid 10746] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10733] <... futex resumed>) = 0 [pid 10746] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10733] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10746] <... bpf resumed>) = 7 [pid 10733] <... futex resumed>) = 0 [pid 10746] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10733] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 10733] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10746] <... futex resumed>) = 0 [pid 10733] <... futex resumed>) = 0 [pid 10746] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10733] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10746] <... bpf resumed>) = 8 [pid 10746] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10733] <... futex resumed>) = 0 [pid 10733] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10746] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10733] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10746] <... bpf resumed>) = 9 [pid 10746] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10733] <... futex resumed>) = 0 [pid 10746] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10736] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10736] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10747 attached [pid 10747] set_robust_list(0x7fb9262379a0, 24 [pid 10736] <... clone3 resumed> => {parent_tid=[10747]}, 88) = 10747 [pid 10747] <... set_robust_list resumed>) = 0 [pid 10736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10747] rt_sigprocmask(SIG_SETMASK, [], [pid 10744] <... ioctl resumed>) = 0 [pid 10740] <... ioctl resumed>) = 0 [pid 10744] close(3) = 0 [pid 10744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10744] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10741] <... futex resumed>) = 0 [pid 10747] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10741] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] close(3 [pid 10730] <... sendmsg resumed>) = 64 [pid 10747] <... bpf resumed>) = 5 [pid 10744] <... futex resumed>) = 0 [pid 10741] <... futex resumed>) = 1 [pid 10740] <... close resumed>) = 0 [pid 10730] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10727] exit_group(0 [pid 10747] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10745] <... futex resumed>) = ? [pid 10744] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10741] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10740] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10730] <... futex resumed>) = ? [pid 10727] <... exit_group resumed>) = ? [pid 10747] <... futex resumed>) = 1 [pid 10745] +++ exited with 0 +++ [pid 10744] <... socket resumed>) = 3 [pid 10740] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10736] <... futex resumed>) = 0 [pid 10730] +++ exited with 0 +++ [pid 10740] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10739] <... futex resumed>) = 0 [pid 10740] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... socket resumed>) = 3 [pid 10736] <... futex resumed>) = 0 [pid 10744] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 0 [pid 10740] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10744] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10741] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10741] <... futex resumed>) = 0 [pid 10740] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10741] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10739] <... futex resumed>) = 0 [pid 10744] <... socket resumed>) = 4 [pid 10740] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... socket resumed>) = 4 [pid 10744] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 0 [pid 10740] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10741] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10741] <... futex resumed>) = 0 [pid 10740] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10741] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10739] <... futex resumed>) = 0 [pid 10744] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10747] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10740] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10747] <... bpf resumed>) = 0 [pid 10744] <... sendto resumed>) = 32 [pid 10740] <... sendto resumed>) = 32 [pid 10747] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] recvfrom(4, [pid 10740] recvfrom(4, [pid 10747] <... futex resumed>) = 1 [pid 10744] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10741}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [ 152.251965][T10740] loop4: detected capacity change from 0 to 256 [ 152.273944][T10744] loop1: detected capacity change from 0 to 256 [ 152.279431][T10740] exfat: Bad value for 'uid' [ 152.290017][T10744] exfat: Bad value for 'uid' [pid 10740] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10739}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10736] <... futex resumed>) = 0 [pid 10747] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10744] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 0 [pid 10740] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10736] <... futex resumed>) = 0 [pid 10747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10744] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10741] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10741] <... futex resumed>) = 0 [pid 10740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10739] <... futex resumed>) = 0 [pid 10741] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10740] getsockname(4, [pid 10739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10744] getsockname(4, {sa_family=AF_NETLINK, nl_pid=10741, nl_groups=00000000}, [116 => 12]) = 0 [pid 10740] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10739, nl_groups=00000000}, [116 => 12]) = 0 [pid 10744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 0 [pid 10740] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10747] <... bpf resumed>) = 6 [pid 10744] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10741] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10740] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10741] <... futex resumed>) = 0 [pid 10740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10739] <... futex resumed>) = 0 [pid 10747] <... futex resumed>) = 1 [pid 10744] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf5\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10741] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10740] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf3\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10736] <... futex resumed>) = 0 [pid 10747] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10747] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10736] <... futex resumed>) = 0 [pid 10735] <... sendmsg resumed>) = 64 [pid 10736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10735] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10733] exit_group(0) = ? [pid 10746] <... futex resumed>) = ? [pid 10735] +++ exited with 0 +++ [pid 10737] <... sendmsg resumed>) = 64 [pid 10727] +++ exited with 0 +++ [pid 10747] <... bpf resumed>) = 7 [pid 10737] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10747] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10727, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 10747] <... futex resumed>) = 1 [pid 10737] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] <... futex resumed>) = 0 [pid 10747] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... futex resumed>) = 0 [pid 10736] <... futex resumed>) = 1 [pid 10737] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 10737] <... bpf resumed>) = 8 [pid 294] <... close resumed>) = 0 [pid 10737] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10736] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10737] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10737] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16./strace-static-x86_64: Process 10750 attached [pid 10736] <... futex resumed>) = 0 [pid 10736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10750 [pid 10750] set_robust_list(0x5555555916a0, 24) = 0 [pid 10750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10750] setpgid(0, 0) = 0 [pid 10750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10750] write(3, "1000", 4) = 4 [pid 10750] close(3) = 0 [pid 10750] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10750] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10750] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10751 attached [pid 10751] set_robust_list(0x7fb9262589a0, 24 [pid 10750] <... clone3 resumed> => {parent_tid=[10751]}, 88) = 10751 [pid 10751] <... set_robust_list resumed>) = 0 [pid 10750] rt_sigprocmask(SIG_SETMASK, [], [pid 10751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10751] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] <... futex resumed>) = 0 [pid 10750] <... futex resumed>) = 1 [pid 10750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10751] memfd_create("syzkaller", 0) = 3 [pid 10751] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10751] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10751] munmap(0x7fb91de38000, 138412032) = 0 [pid 10751] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 10751] ioctl(4, LOOP_SET_FD, 3 [pid 10741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10741] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10741] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10739] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10741] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10739] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10741] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10739] <... futex resumed>) = 0 [pid 10741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10741] <... clone3 resumed> => {parent_tid=[10752]}, 88) = 10752 [pid 10739] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10741] rt_sigprocmask(SIG_SETMASK, [], [pid 10739] <... mprotect resumed>) = 0 [pid 10741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10741] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10741] <... futex resumed>) = 0 [pid 10739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10741] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10739] <... clone3 resumed> => {parent_tid=[10753]}, 88) = 10753 [pid 10739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10746] +++ exited with 0 +++ [pid 10733] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10737] <... bpf resumed>) = 9 [pid 298] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 10753 attached [pid 10737] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10753] set_robust_list(0x7fb9262379a0, 24 [pid 10737] <... futex resumed>) = 1 [pid 10736] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10752 attached [pid 10751] <... ioctl resumed>) = 0 [pid 10737] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... restart_syscall resumed>) = 0 [pid 10736] exit_group(0 [pid 10753] <... set_robust_list resumed>) = 0 [pid 10747] <... futex resumed>) = ? [pid 10737] <... futex resumed>) = ? [pid 10736] <... exit_group resumed>) = ? [pid 10753] rt_sigprocmask(SIG_SETMASK, [], [pid 10752] set_robust_list(0x7fb9262379a0, 24 [pid 10753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10752] <... set_robust_list resumed>) = 0 [pid 10751] close(3 [pid 10747] +++ exited with 0 +++ [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 10753] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10752] rt_sigprocmask(SIG_SETMASK, [], [pid 10751] <... close resumed>) = 0 [pid 10737] +++ exited with 0 +++ [pid 10736] +++ exited with 0 +++ [pid 298] <... close resumed>) = 0 [pid 10753] <... bpf resumed>) = 5 [pid 10753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10753] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10752] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10752] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10751] close(4) = 0 [pid 10751] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10751] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10741] <... futex resumed>) = 0 [pid 10739] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10741] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10741] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 1 [pid 10741] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10754 [pid 10753] <... futex resumed>) = 0 [pid 10753] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10753] <... bpf resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD [pid 10753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10753] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 0 [pid 299] close(3 [pid 10739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 10739] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10752] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10755 [pid 10753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10752] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4./strace-static-x86_64: Process 10754 attached ./strace-static-x86_64: Process 10755 attached [pid 10753] <... futex resumed>) = 1 [pid 10752] <... bpf resumed>) = 0 [pid 10739] <... futex resumed>) = 0 [pid 10754] set_robust_list(0x5555555916a0, 24 [pid 10739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] set_robust_list(0x5555555916a0, 24 [pid 10754] <... set_robust_list resumed>) = 0 [pid 10739] <... futex resumed>) = 0 [pid 10755] <... set_robust_list resumed>) = 0 [pid 10751] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10755] <... prctl resumed>) = 0 [pid 10754] <... prctl resumed>) = 0 [pid 10755] setpgid(0, 0 [pid 10754] setpgid(0, 0 [pid 10752] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 0 [pid 10755] <... setpgid resumed>) = 0 [pid 10754] <... setpgid resumed>) = 0 [pid 10752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10741] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10752] <... bpf resumed>) = 6 [pid 10741] <... futex resumed>) = 0 [pid 10755] <... openat resumed>) = 3 [pid 10754] <... openat resumed>) = 3 [pid 10752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10741] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10755] write(3, "1000", 4 [pid 10754] write(3, "1000", 4 [pid 10752] <... futex resumed>) = 0 [pid 10741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10755] <... write resumed>) = 4 [pid 10754] <... write resumed>) = 4 [pid 10752] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10751] <... openat resumed>) = 3 [pid 10741] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] close(3 [pid 10754] close(3 [pid 10741] <... futex resumed>) = 0 [pid 10741] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10751] ioctl(3, LOOP_CLR_FD [pid 10755] <... close resumed>) = 0 [pid 10755] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10755] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10755] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10754] <... close resumed>) = 0 [pid 10753] <... bpf resumed>) = 7 [pid 10752] <... bpf resumed>) = 7 [pid 10755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10754] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10753] <... futex resumed>) = 1 [pid 10752] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 0 [pid 10739] <... futex resumed>) = 0 [pid 10755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10754] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10753] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10741] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10756 attached [pid 10754] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10741] <... futex resumed>) = 0 [pid 10755] <... clone3 resumed> => {parent_tid=[10756]}, 88) = 10756 [pid 10754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10741] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10739] <... futex resumed>) = 0 [pid 10755] rt_sigprocmask(SIG_SETMASK, [], [pid 10754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10753] <... bpf resumed>) = 8 [pid 10752] <... bpf resumed>) = 8 [pid 10739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] <... mmap resumed>) = 0x7fb926238000 [pid 10753] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 0 [pid 10752] <... futex resumed>) = 1 [pid 10739] <... futex resumed>) = 0 [pid 10755] <... futex resumed>) = 0 [pid 10754] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10752] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10741] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] set_robust_list(0x7fb9262589a0, 24 [pid 10755] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10754] <... mprotect resumed>) = 0 [pid 10753] <... bpf resumed>) = 9 [pid 10741] <... futex resumed>) = 0 [pid 10739] <... futex resumed>) = 0 [pid 10756] <... set_robust_list resumed>) = 0 [pid 10754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10752] <... bpf resumed>) = 9 [pid 10741] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10753] <... futex resumed>) = 0 [pid 10752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] rt_sigprocmask(SIG_SETMASK, [], [pid 10739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10753] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10752] <... futex resumed>) = 1 [pid 10741] <... futex resumed>) = 0 [pid 10754] <... clone3 resumed> => {parent_tid=[10757]}, 88) = 10757 [pid 10752] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] memfd_create("syzkaller", 0 [pid 10754] rt_sigprocmask(SIG_SETMASK, [], [pid 10756] <... memfd_create resumed>) = 3 [pid 10754] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10757 attached [pid 10756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] <... mmap resumed>) = 0x7fb91de38000 [pid 10754] <... futex resumed>) = 0 [pid 10757] set_robust_list(0x7fb9262589a0, 24 [pid 10754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10757] <... set_robust_list resumed>) = 0 [pid 10757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10756] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10757] memfd_create("syzkaller", 0 [pid 10756] <... write resumed>) = 131072 [pid 10757] <... memfd_create resumed>) = 3 [pid 10756] munmap(0x7fb91de38000, 138412032 [pid 10751] <... ioctl resumed>) = 0 [pid 10756] <... munmap resumed>) = 0 [pid 10751] close(3 [pid 10756] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10751] <... close resumed>) = 0 [pid 10756] <... openat resumed>) = 4 [pid 10751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] ioctl(4, LOOP_SET_FD, 3 [pid 10751] <... futex resumed>) = 1 [pid 10750] <... futex resumed>) = 0 [pid 10757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 152.381890][T10751] loop0: detected capacity change from 0 to 256 [ 152.403665][T10751] exfat: Bad value for 'uid' [pid 10751] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10757] <... mmap resumed>) = 0x7fb91de38000 [pid 10757] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10756] <... ioctl resumed>) = 0 [pid 10751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] close(3 [pid 10751] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10750] <... futex resumed>) = 0 [pid 10756] <... close resumed>) = 0 [pid 10751] <... socket resumed>) = 3 [pid 10750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10757] <... write resumed>) = 131072 [pid 10756] close(4 [pid 10751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10751] <... futex resumed>) = 0 [pid 10750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10756] <... close resumed>) = 0 [pid 10756] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10756] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10751] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10740] <... sendmsg resumed>) = 64 [pid 10751] <... socket resumed>) = 4 [pid 10740] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10757] munmap(0x7fb91de38000, 138412032) = 0 [pid 10757] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10757] ioctl(4, LOOP_SET_FD, 3 [pid 10740] <... futex resumed>) = 0 [pid 10740] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10739] exit_group(0) = ? [pid 10753] <... futex resumed>) = ? [pid 10740] <... futex resumed>) = ? [pid 10753] +++ exited with 0 +++ [pid 10740] +++ exited with 0 +++ [pid 10751] <... futex resumed>) = 1 [pid 10750] <... futex resumed>) = 0 [pid 10750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10756] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10751] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10756] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10751] <... sendto resumed>) = 32 [pid 10751] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10750}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10751] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] <... openat resumed>) = 3 [pid 10756] ioctl(3, LOOP_CLR_FD [pid 10750] <... futex resumed>) = 0 [pid 10750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] <... futex resumed>) = 0 [pid 10750] <... futex resumed>) = 1 [pid 10751] getsockname(4, [pid 10750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10751] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10750, nl_groups=00000000}, [116 => 12]) = 0 [pid 10751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10757] <... ioctl resumed>) = 0 [pid 10751] <... futex resumed>) = 1 [pid 10750] <... futex resumed>) = 0 [pid 10750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10751] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfe\x29\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10750] <... futex resumed>) = 0 [pid 10757] close(3) = 0 [pid 10757] close(4) = 0 [pid 10750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10757] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10757] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10757] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10757] ioctl(3, LOOP_CLR_FD [pid 10739] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10739, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10759 ./strace-static-x86_64: Process 10759 attached [pid 10759] set_robust_list(0x5555555916a0, 24) = 0 [pid 10759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10759] setpgid(0, 0) = 0 [pid 10759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10759] write(3, "1000", 4) = 4 [pid 10759] close(3) = 0 [pid 10759] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10759] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10759] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10760 attached [pid 10760] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10760] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10759] <... clone3 resumed> => {parent_tid=[10760]}, 88) = 10760 [pid 10759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10759] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10760] <... futex resumed>) = 0 [pid 10759] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10760] memfd_create("syzkaller", 0) = 3 [pid 10760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10760] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10760] munmap(0x7fb91de38000, 138412032) = 0 [pid 10760] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10760] ioctl(4, LOOP_SET_FD, 3 [pid 10757] <... ioctl resumed>) = 0 [pid 10756] <... ioctl resumed>) = 0 [pid 10744] <... sendmsg resumed>) = 64 [ 152.428608][T10756] loop3: detected capacity change from 0 to 256 [ 152.437137][T10756] exfat: Bad value for 'uid' [ 152.444534][T10757] loop2: detected capacity change from 0 to 256 [ 152.452246][T10757] exfat: Bad value for 'uid' [pid 10757] close(3 [pid 10756] close(3 [pid 10744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10757] <... close resumed>) = 0 [pid 10756] <... close resumed>) = 0 [pid 10744] <... futex resumed>) = 0 [pid 10757] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10744] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10760] <... ioctl resumed>) = 0 [pid 10757] <... futex resumed>) = 1 [pid 10756] <... futex resumed>) = 1 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10741] exit_group(0 [pid 10757] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10755] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10752] <... futex resumed>) = ? [pid 10744] <... futex resumed>) = ? [pid 10741] <... exit_group resumed>) = ? [pid 10760] close(3 [pid 10757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10752] +++ exited with 0 +++ [pid 10755] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10760] <... close resumed>) = 0 [pid 10760] close(4) = 0 [pid 10760] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10760] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10760] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10757] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10756] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10750] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10744] +++ exited with 0 +++ [pid 10741] +++ exited with 0 +++ [pid 10757] <... socket resumed>) = 3 [pid 10756] <... socket resumed>) = 3 [pid 10750] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10741, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10757] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] <... futex resumed>) = 0 [pid 10757] <... futex resumed>) = 1 [pid 10756] <... futex resumed>) = 1 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10760] <... openat resumed>) = 3 [pid 10757] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10755] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] <... mmap resumed>) = 0x7fb926217000 [pid 10760] ioctl(3, LOOP_CLR_FD [pid 10757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10750] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10757] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10756] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10755] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10750] <... mprotect resumed>) = 0 [pid 10757] <... socket resumed>) = 4 [pid 10756] <... socket resumed>) = 4 [pid 10757] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10757] <... futex resumed>) = 1 [pid 10756] <... futex resumed>) = 1 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10757] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10755] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 297] <... openat resumed>) = 3 ./strace-static-x86_64: Process 10761 attached [pid 10757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 10761] set_robust_list(0x7fb9262379a0, 24 [pid 10757] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10756] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10755] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10750] <... clone3 resumed> => {parent_tid=[10761]}, 88) = 10761 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10761] <... set_robust_list resumed>) = 0 [pid 10757] <... sendto resumed>) = 32 [pid 10756] <... sendto resumed>) = 32 [pid 10750] rt_sigprocmask(SIG_SETMASK, [], [pid 297] close(3 [pid 10757] recvfrom(4, [pid 10756] recvfrom(4, [pid 10750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... close resumed>) = 0 [pid 10757] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10754}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10756] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10755}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10757] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] <... futex resumed>) = 0 [pid 10757] <... futex resumed>) = 1 [pid 10756] <... futex resumed>) = 1 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10762 [pid 10757] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10755] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10757] getsockname(4, [pid 10756] getsockname(4, [pid 10755] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10757] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10754, nl_groups=00000000}, [116 => 12]) = 0 [pid 10756] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10755, nl_groups=00000000}, [116 => 12]) = 0 [pid 10757] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10756] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10757] <... futex resumed>) = 1 [pid 10756] <... futex resumed>) = 1 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10757] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10755] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10757] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x02\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10756] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x03\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10755] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10762 attached [pid 10762] set_robust_list(0x5555555916a0, 24) = 0 [pid 10762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10761] rt_sigprocmask(SIG_SETMASK, [], [pid 10762] <... prctl resumed>) = 0 [pid 10762] setpgid(0, 0) = 0 [pid 10762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10762] <... openat resumed>) = 3 [pid 10762] write(3, "1000", 4) = 4 [pid 10762] close(3) = 0 [pid 10762] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10761] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10762] <... futex resumed>) = 0 [pid 10761] <... bpf resumed>) = 5 [pid 10762] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10761] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10762] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10761] <... futex resumed>) = 1 [pid 10750] <... futex resumed>) = 0 [pid 10762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10761] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10761] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10762] <... mmap resumed>) = 0x7fb926238000 [pid 10761] <... bpf resumed>) = 0 [pid 10762] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10761] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10750] <... futex resumed>) = 0 [pid 10762] <... mprotect resumed>) = 0 [pid 10761] <... futex resumed>) = 0 [pid 10762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10761] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10762] <... clone3 resumed> => {parent_tid=[10765]}, 88) = 10765 [pid 10762] rt_sigprocmask(SIG_SETMASK, [], [pid 10750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10762] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10761] <... futex resumed>) = 0 [pid 10750] <... futex resumed>) = 1 [pid 10762] <... futex resumed>) = 0 [pid 10762] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10761] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10765 attached [pid 10761] <... bpf resumed>) = 6 [pid 10761] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10750] <... futex resumed>) = 0 [pid 10761] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] set_robust_list(0x7fb9262589a0, 24 [pid 10761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10750] <... futex resumed>) = 0 [pid 10765] <... set_robust_list resumed>) = 0 [pid 10765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10761] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10765] memfd_create("syzkaller", 0) = 3 [pid 10765] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10761] <... bpf resumed>) = 7 [pid 10761] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10750] <... futex resumed>) = 0 [pid 10761] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10750] <... futex resumed>) = 0 [pid 10761] <... bpf resumed>) = 8 [pid 10750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10761] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10750] <... futex resumed>) = 0 [pid 10761] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] <... write resumed>) = 131072 [pid 10750] <... futex resumed>) = 0 [pid 10765] munmap(0x7fb91de38000, 138412032 [pid 10750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10765] <... munmap resumed>) = 0 [pid 10765] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10761] <... bpf resumed>) = 9 [pid 10765] <... openat resumed>) = 4 [pid 10765] ioctl(4, LOOP_SET_FD, 3 [pid 10761] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 152.492597][T10760] loop4: detected capacity change from 0 to 256 [ 152.501413][T10760] exfat: Bad value for 'uid' [pid 10761] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10750] <... futex resumed>) = 0 [pid 10765] <... ioctl resumed>) = 0 [pid 10765] close(3) = 0 [pid 10765] close(4) = 0 [pid 10765] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10765] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10765] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10765] ioctl(3, LOOP_CLR_FD [pid 10760] <... ioctl resumed>) = 0 [pid 10760] close(3) = 0 [pid 10760] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10759] <... futex resumed>) = 0 [pid 10760] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10759] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10760] <... socket resumed>) = 3 [pid 10759] <... futex resumed>) = 0 [pid 10760] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10759] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 10760] <... futex resumed>) = 0 [pid 10760] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10759] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10760] <... socket resumed>) = 4 [pid 10759] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10760] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10760] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 10759] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10760] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 10760] recvfrom(4, [pid 10759] <... futex resumed>) = 0 [pid 10760] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10759}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10759] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10760] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10760] <... futex resumed>) = 0 [pid 10759] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10760] getsockname(4, [pid 10759] <... futex resumed>) = 0 [pid 10759] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10760] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10759, nl_groups=00000000}, [116 => 12]) = 0 [pid 10760] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10759] <... futex resumed>) = 0 [pid 10760] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10759] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10759] <... futex resumed>) = 0 [pid 10760] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x07\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10759] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10755] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10754] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10755] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10755] <... mmap resumed>) = 0x7fb926217000 [pid 10754] <... mmap resumed>) = 0x7fb926217000 [pid 10755] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10754] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10755] <... mprotect resumed>) = 0 [pid 10754] <... mprotect resumed>) = 0 [pid 10755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10769 attached ./strace-static-x86_64: Process 10768 attached [pid 10755] <... clone3 resumed> => {parent_tid=[10768]}, 88) = 10768 [pid 10754] <... clone3 resumed> => {parent_tid=[10769]}, 88) = 10769 [pid 10769] set_robust_list(0x7fb9262379a0, 24 [pid 10768] set_robust_list(0x7fb9262379a0, 24 [pid 10755] rt_sigprocmask(SIG_SETMASK, [], [pid 10754] rt_sigprocmask(SIG_SETMASK, [], [pid 10768] <... set_robust_list resumed>) = 0 [pid 10768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10768] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10769] <... set_robust_list resumed>) = 0 [pid 10769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10769] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10755] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] <... futex resumed>) = 1 [pid 10754] <... futex resumed>) = 1 [pid 10769] <... futex resumed>) = 0 [pid 10768] <... futex resumed>) = 0 [pid 10755] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10769] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10769] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10754] <... futex resumed>) = 0 [pid 10769] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10768] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 1 [pid 10768] <... bpf resumed>) = 5 [pid 10769] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10768] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10768] <... futex resumed>) = 1 [pid 10755] <... futex resumed>) = 0 [pid 10768] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10755] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10755] <... futex resumed>) = 0 [pid 10768] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10755] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10768] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10768] <... futex resumed>) = 0 [pid 10768] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10755] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] <... bpf resumed>) = 0 [pid 10755] <... futex resumed>) = 0 [pid 10769] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10769] <... futex resumed>) = 1 [pid 10754] <... futex resumed>) = 0 [pid 10769] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10754] <... futex resumed>) = 0 [pid 10769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10769] <... bpf resumed>) = 6 [pid 10765] <... ioctl resumed>) = 0 [pid 10768] <... bpf resumed>) = 6 [pid 10769] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] close(3 [pid 10769] <... futex resumed>) = 1 [pid 10765] <... close resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10768] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] <... bpf resumed>) = 7 [pid 10768] <... futex resumed>) = 1 [pid 10765] <... futex resumed>) = 1 [pid 10762] <... futex resumed>) = 0 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10769] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10768] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10765] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10769] <... futex resumed>) = 0 [pid 10768] <... bpf resumed>) = 7 [pid 10765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10762] <... futex resumed>) = 0 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10768] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10762] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10755] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10768] <... futex resumed>) = 0 [pid 10765] <... socket resumed>) = 3 [pid 10755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10754] <... futex resumed>) = 0 [pid 10768] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10765] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10765] <... futex resumed>) = 1 [pid 10762] <... futex resumed>) = 0 [pid 10755] <... futex resumed>) = 0 [pid 10768] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10765] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10769] <... bpf resumed>) = 8 [pid 10768] <... bpf resumed>) = 8 [pid 10765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10762] <... futex resumed>) = 0 [pid 10769] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10768] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10762] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10769] <... futex resumed>) = 1 [pid 10768] <... futex resumed>) = 1 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10768] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10765] <... socket resumed>) = 4 [pid 10755] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10769] <... bpf resumed>) = 9 [pid 10768] <... bpf resumed>) = 9 [pid 10765] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] <... futex resumed>) = 0 [pid 10754] <... futex resumed>) = 0 [pid 10769] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10768] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] <... futex resumed>) = 1 [pid 10762] <... futex resumed>) = 0 [pid 10755] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10769] <... futex resumed>) = 0 [pid 10768] <... futex resumed>) = 0 [pid 10765] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10769] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10768] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10762] <... futex resumed>) = 0 [pid 10765] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10762] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10765] <... sendto resumed>) = 32 [pid 10765] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10762}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10765] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10762] <... futex resumed>) = 0 [pid 10765] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10762] <... futex resumed>) = 0 [pid 10765] getsockname(4, [pid 10762] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10765] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10762, nl_groups=00000000}, [116 => 12]) = 0 [pid 10765] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10762] <... futex resumed>) = 0 [pid 10765] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0a\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10762] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 152.537898][T10765] loop1: detected capacity change from 0 to 256 [ 152.546093][T10765] exfat: Bad value for 'uid' [pid 10762] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10751] <... sendmsg resumed>) = 64 [pid 10751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10751] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10750] exit_group(0 [pid 10761] <... futex resumed>) = ? [pid 10751] <... futex resumed>) = ? [pid 10750] <... exit_group resumed>) = ? [pid 10761] +++ exited with 0 +++ [pid 10751] +++ exited with 0 +++ [pid 10750] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10750, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10759] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10759] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... openat resumed>) = 3 [pid 10759] <... mmap resumed>) = 0x7fb926217000 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 10759] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10771 [pid 10759] <... mprotect resumed>) = 0 [pid 10759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10772]}, 88) = 10772 [pid 10759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10759] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10772 attached ./strace-static-x86_64: Process 10771 attached ) = 0 [pid 10772] set_robust_list(0x7fb9262379a0, 24 [pid 10771] set_robust_list(0x5555555916a0, 24 [pid 10759] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10772] <... set_robust_list resumed>) = 0 [pid 10771] <... set_robust_list resumed>) = 0 [pid 10772] rt_sigprocmask(SIG_SETMASK, [], [pid 10771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10771] <... prctl resumed>) = 0 [pid 10772] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10771] setpgid(0, 0) = 0 [pid 10771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10772] <... bpf resumed>) = 5 [pid 10772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] <... openat resumed>) = 3 [pid 10772] <... futex resumed>) = 1 [pid 10771] write(3, "1000", 4 [pid 10759] <... futex resumed>) = 0 [pid 10772] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10771] <... write resumed>) = 4 [pid 10759] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10772] <... bpf resumed>) = 0 [pid 10771] close(3 [pid 10759] <... futex resumed>) = 0 [pid 10772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] <... close resumed>) = 0 [pid 10759] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10772] <... futex resumed>) = 0 [pid 10771] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10772] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10771] <... futex resumed>) = 0 [pid 10759] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10772] <... bpf resumed>) = 6 [pid 10771] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10759] <... futex resumed>) = 0 [pid 10772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10759] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10759] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10759] <... futex resumed>) = 0 [pid 10771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10759] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10771] <... mmap resumed>) = 0x7fb926238000 [pid 10772] <... futex resumed>) = 1 [pid 10771] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10759] <... futex resumed>) = 0 [pid 10772] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10759] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10772] <... bpf resumed>) = 7 [pid 10771] <... mprotect resumed>) = 0 [pid 10772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10759] <... futex resumed>) = 0 [pid 10772] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10759] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10772] <... bpf resumed>) = 8 [pid 10771] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10759] <... futex resumed>) = 0 [pid 10772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10759] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10772] <... futex resumed>) = 0 [pid 10771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10759] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10773 attached [pid 10772] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10759] <... futex resumed>) = 0 [pid 10757] <... sendmsg resumed>) = 64 [pid 10756] <... sendmsg resumed>) = 64 [pid 10773] set_robust_list(0x7fb9262589a0, 24 [pid 10772] <... bpf resumed>) = 9 [pid 10771] <... clone3 resumed> => {parent_tid=[10773]}, 88) = 10773 [pid 10759] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10757] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] rt_sigprocmask(SIG_SETMASK, [], [pid 10756] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10757] <... futex resumed>) = 0 [pid 10773] <... set_robust_list resumed>) = 0 [pid 10773] rt_sigprocmask(SIG_SETMASK, [], [pid 10771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10772] <... futex resumed>) = 1 [pid 10771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10759] <... futex resumed>) = 0 [pid 10757] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] <... futex resumed>) = 0 [pid 10771] <... futex resumed>) = 0 [pid 10773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10772] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10756] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10773] memfd_create("syzkaller", 0) = 3 [pid 10755] exit_group(0 [pid 10754] exit_group(0 [pid 10773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10769] <... futex resumed>) = ? [pid 10768] <... futex resumed>) = ? [pid 10757] <... futex resumed>) = ? [pid 10755] <... exit_group resumed>) = ? [pid 10756] <... futex resumed>) = ? [pid 10754] <... exit_group resumed>) = ? [pid 10773] <... mmap resumed>) = 0x7fb91de38000 [pid 10769] +++ exited with 0 +++ [pid 10768] +++ exited with 0 +++ [pid 10757] +++ exited with 0 +++ [pid 10773] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10754] +++ exited with 0 +++ [pid 10773] <... write resumed>) = 131072 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10754, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10773] munmap(0x7fb91de38000, 138412032) = 0 [pid 10773] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 10773] ioctl(4, LOOP_SET_FD, 3 [pid 10762] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10762] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10762] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10774]}, 88) = 10774 [pid 10762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10762] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10762] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10775 ./strace-static-x86_64: Process 10774 attached [pid 10774] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10774] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10774] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10762] <... futex resumed>) = 0 [pid 10762] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10762] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10775 attached [pid 10774] <... futex resumed>) = 1 [pid 10773] <... ioctl resumed>) = 0 [pid 10775] set_robust_list(0x5555555916a0, 24) = 0 [pid 10774] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10774] <... bpf resumed>) = 0 [pid 10773] close(3 [pid 10775] <... prctl resumed>) = 0 [pid 10775] setpgid(0, 0 [pid 10774] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] <... setpgid resumed>) = 0 [pid 10775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10775] write(3, "1000", 4) = 4 [pid 10775] close(3) = 0 [pid 10775] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10775] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10774] <... futex resumed>) = 1 [pid 10773] <... close resumed>) = 0 [pid 10762] <... futex resumed>) = 0 [pid 10775] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10762] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10762] <... futex resumed>) = 0 [pid 10775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10762] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10774] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10773] close(4 [pid 10775] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10774] <... bpf resumed>) = 6 [pid 10773] <... close resumed>) = 0 [pid 10773] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10773] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 10776 attached [pid 10774] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] set_robust_list(0x7fb9262589a0, 24 [pid 10775] <... clone3 resumed> => {parent_tid=[10776]}, 88) = 10776 [pid 10774] <... futex resumed>) = 1 [pid 10776] <... set_robust_list resumed>) = 0 [pid 10775] rt_sigprocmask(SIG_SETMASK, [], [pid 10774] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10776] rt_sigprocmask(SIG_SETMASK, [], [pid 10775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10775] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] memfd_create("syzkaller", 0 [pid 10775] <... futex resumed>) = 0 [pid 10776] <... memfd_create resumed>) = 3 [pid 10775] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10776] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10773] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10762] <... futex resumed>) = 0 [pid 10756] +++ exited with 0 +++ [pid 10755] +++ exited with 0 +++ [pid 10762] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] <... write resumed>) = 131072 [pid 10773] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10755, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10774] <... futex resumed>) = 0 [pid 10762] <... futex resumed>) = 1 [pid 10774] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10774] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] munmap(0x7fb91de38000, 138412032 [pid 10774] <... futex resumed>) = 0 [pid 10773] <... openat resumed>) = 3 [pid 10762] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10774] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10773] ioctl(3, LOOP_CLR_FD [pid 10762] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] <... munmap resumed>) = 0 [pid 10776] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10776] ioctl(4, LOOP_SET_FD, 3 [pid 10774] <... futex resumed>) = 0 [pid 10762] <... futex resumed>) = 1 [pid 10774] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10762] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10777 [pid 10774] <... bpf resumed>) = 8 [pid 10774] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10762] <... futex resumed>) = 0 [pid 10774] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10762] <... futex resumed>) = 0 [pid 10774] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10762] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10774] <... bpf resumed>) = 9 [pid 10774] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10762] <... futex resumed>) = 0 [pid 10774] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10777 attached [pid 10777] set_robust_list(0x5555555916a0, 24) = 0 [pid 10777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10760] <... sendmsg resumed>) = 64 [pid 10760] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10777] <... prctl resumed>) = 0 [pid 10776] <... ioctl resumed>) = 0 [pid 10760] <... futex resumed>) = 0 [pid 10760] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10776] close(3) = 0 [pid 10759] exit_group(0 [pid 10776] close(4 [pid 10777] setpgid(0, 0 [pid 10759] <... exit_group resumed>) = ? [pid 10772] <... futex resumed>) = ? [pid 10760] <... futex resumed>) = ? [pid 10772] +++ exited with 0 +++ [pid 10760] +++ exited with 0 +++ [pid 10777] <... setpgid resumed>) = 0 [pid 10776] <... close resumed>) = 0 [pid 10777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10776] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10776] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10777] <... openat resumed>) = 3 [pid 10777] write(3, "1000", 4) = 4 [pid 10777] close(3) = 0 [pid 10777] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10777] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10777] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10778]}, 88) = 10778 [pid 10777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10777] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10777] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10778 attached [pid 10778] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10778] memfd_create("syzkaller", 0) = 3 [pid 10778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10776] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10776] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10776] ioctl(3, LOOP_CLR_FD [pid 10778] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10778] munmap(0x7fb91de38000, 138412032) = 0 [pid 10778] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 152.643560][T10773] loop0: detected capacity change from 0 to 256 [ 152.662078][T10773] exfat: Bad value for 'uid' [ 152.671001][T10776] loop2: detected capacity change from 0 to 256 [ 152.688310][T10776] exfat: Bad value for 'uid' [pid 10778] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10778] close(3) = 0 [pid 10778] close(4) = 0 [pid 10773] <... ioctl resumed>) = 0 [pid 10778] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10778] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10773] close(3) = 0 [pid 10778] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10773] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10773] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10771] <... futex resumed>) = 0 [pid 10773] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10773] <... socket resumed>) = 3 [pid 10773] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10773] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10771] <... futex resumed>) = 0 [pid 10773] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10773] <... socket resumed>) = 4 [pid 10773] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10773] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10771] <... futex resumed>) = 0 [pid 10773] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10773] <... sendto resumed>) = 32 [pid 10773] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10771}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10773] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10773] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10771] <... futex resumed>) = 0 [pid 10778] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10773] getsockname(4, [pid 10771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10759] +++ exited with 0 +++ [pid 10773] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10771, nl_groups=00000000}, [116 => 12]) = 0 [pid 10773] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10773] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x13\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10776] <... ioctl resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10776] close(3 [pid 300] <... openat resumed>) = 3 [pid 10776] <... close resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 10776] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10778] <... openat resumed>) = 3 [pid 10776] <... futex resumed>) = 1 [pid 10775] <... futex resumed>) = 0 [pid 300] close(3 [pid 10776] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10775] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... close resumed>) = 0 [pid 10778] ioctl(3, LOOP_CLR_FD [pid 10776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10775] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10776] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10775] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10776] <... socket resumed>) = 3 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10780 [pid 10776] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10775] <... futex resumed>) = 0 [pid 10776] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10775] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10780 attached [pid 10776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10775] <... futex resumed>) = 0 [pid 10780] set_robust_list(0x5555555916a0, 24 [pid 10776] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10775] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10776] <... socket resumed>) = 4 [pid 10776] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10775] <... futex resumed>) = 0 [pid 10776] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10775] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10775] <... futex resumed>) = 0 [pid 10776] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10780] <... set_robust_list resumed>) = 0 [pid 10775] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10780] setpgid(0, 0) = 0 [pid 10780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10780] write(3, "1000", 4) = 4 [pid 10780] close(3) = 0 [pid 10780] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10780] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10780] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10780] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10781]}, 88) = 10781 [pid 10780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10780] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10780] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10781 attached [pid 10781] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10781] memfd_create("syzkaller", 0) = 3 [pid 10781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10781] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10781] munmap(0x7fb91de38000, 138412032) = 0 [pid 10781] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 152.695937][T10778] loop3: detected capacity change from 0 to 256 [ 152.706759][T10778] exfat: Bad value for 'uid' [pid 10781] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10781] close(3) = 0 [pid 10781] close(4) = 0 [pid 10781] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10781] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10781] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10781] ioctl(3, LOOP_CLR_FD [pid 10765] <... sendmsg resumed>) = 64 [pid 10778] <... ioctl resumed>) = 0 [pid 10765] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10765] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10762] exit_group(0 [pid 10765] <... futex resumed>) = ? [pid 10762] <... exit_group resumed>) = ? [pid 10778] close(3 [pid 10774] <... futex resumed>) = ? [pid 10765] +++ exited with 0 +++ [pid 10778] <... close resumed>) = 0 [pid 10778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10774] +++ exited with 0 +++ [pid 10762] +++ exited with 0 +++ [pid 10778] <... futex resumed>) = 1 [pid 10777] <... futex resumed>) = 0 [pid 10778] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10777] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10778] <... socket resumed>) = 3 [pid 10777] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10762, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10777] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10778] <... futex resumed>) = 0 [pid 10777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10778] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... openat resumed>) = 3 [pid 10778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10777] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 10778] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10777] <... futex resumed>) = 0 [pid 10778] <... socket resumed>) = 4 [pid 10777] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 10778] <... futex resumed>) = 1 [pid 10777] <... futex resumed>) = 0 [pid 10778] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10777] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 10777] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10777] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10782 attached [pid 10778] <... sendto resumed>) = 32 [pid 10776] <... sendto resumed>) = 32 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10782 [pid 10782] set_robust_list(0x5555555916a0, 24 [pid 10771] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10771] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] <... set_robust_list resumed>) = 0 [pid 10782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10782] setpgid(0, 0) = 0 [pid 10782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10782] write(3, "1000", 4) = 4 [pid 10782] close(3) = 0 [pid 10782] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10782] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10778] recvfrom(4, [pid 10776] recvfrom(4, [pid 10771] <... futex resumed>) = 0 [pid 10778] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10777}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10776] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10775}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10782] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] <... mprotect resumed>) = 0 [pid 10782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10778] <... futex resumed>) = 1 [pid 10777] <... futex resumed>) = 0 [pid 10776] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] <... mmap resumed>) = 0x7fb926217000 [pid 10782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10778] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10777] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10776] <... futex resumed>) = 1 [pid 10775] <... futex resumed>) = 0 [pid 10771] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10777] <... futex resumed>) = 0 [pid 10776] getsockname(4, [pid 10775] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] <... mprotect resumed>) = 0 [pid 10778] getsockname(4, [pid 10777] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10776] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10775, nl_groups=00000000}, [116 => 12]) = 0 [pid 10775] <... futex resumed>) = 0 [pid 10771] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10782] <... clone3 resumed> => {parent_tid=[10783]}, 88) = 10783 [pid 10776] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10778] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10777, nl_groups=00000000}, [116 => 12]) = 0 [pid 10775] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10771] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10776] <... futex resumed>) = 0 [pid 10778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] rt_sigprocmask(SIG_SETMASK, [], [pid 10778] <... futex resumed>) = 1 [pid 10777] <... futex resumed>) = 0 [pid 10776] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x17\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10775] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10778] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10782] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10777] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = 0 [pid 10782] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10777] <... futex resumed>) = 0 [pid 10775] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10778] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x19\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10777] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10785 attached ./strace-static-x86_64: Process 10783 attached [pid 10771] <... clone3 resumed> => {parent_tid=[10785]}, 88) = 10785 [pid 10785] set_robust_list(0x7fb9262379a0, 24 [pid 10783] set_robust_list(0x7fb9262589a0, 24 [pid 10771] rt_sigprocmask(SIG_SETMASK, [], [pid 10785] <... set_robust_list resumed>) = 0 [pid 10783] <... set_robust_list resumed>) = 0 [pid 10785] rt_sigprocmask(SIG_SETMASK, [], [pid 10783] rt_sigprocmask(SIG_SETMASK, [], [pid 10771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10785] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10783] memfd_create("syzkaller", 0 [pid 10771] <... futex resumed>) = 0 [pid 10785] <... bpf resumed>) = 5 [pid 10783] <... memfd_create resumed>) = 3 [pid 10771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10785] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10785] <... futex resumed>) = 0 [pid 10783] <... mmap resumed>) = 0x7fb91de38000 [pid 10771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10785] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10771] <... futex resumed>) = 0 [pid 10785] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10785] <... futex resumed>) = 0 [pid 10771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10785] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10783] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10771] <... futex resumed>) = 0 [pid 10785] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] <... write resumed>) = 131072 [pid 10783] munmap(0x7fb91de38000, 138412032 [pid 10785] <... bpf resumed>) = 6 [pid 10783] <... munmap resumed>) = 0 [pid 10785] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10785] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10771] <... futex resumed>) = 0 [pid 10785] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10783] <... openat resumed>) = 4 [pid 10771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10783] ioctl(4, LOOP_SET_FD, 3 [pid 10785] <... bpf resumed>) = 7 [pid 10785] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 152.736373][T10781] loop4: detected capacity change from 0 to 256 [ 152.744868][T10781] exfat: Bad value for 'uid' [pid 10771] <... futex resumed>) = 0 [pid 10785] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10771] <... futex resumed>) = 0 [pid 10785] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10785] <... bpf resumed>) = 8 [pid 10785] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10771] <... futex resumed>) = 0 [pid 10785] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10771] <... futex resumed>) = 0 [pid 10785] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10785] <... bpf resumed>) = 9 [pid 10781] <... ioctl resumed>) = 0 [pid 10785] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] close(3 [pid 10785] <... futex resumed>) = 1 [pid 10781] <... close resumed>) = 0 [pid 10771] <... futex resumed>) = 0 [pid 10785] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10781] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10780] <... futex resumed>) = 0 [pid 10781] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10780] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] <... futex resumed>) = 0 [pid 10781] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10780] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10781] <... socket resumed>) = 3 [pid 10781] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10780] <... futex resumed>) = 0 [pid 10781] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10780] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] <... futex resumed>) = 0 [pid 10783] <... ioctl resumed>) = 0 [pid 10781] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10780] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] close(3 [pid 10781] <... socket resumed>) = 4 [pid 10783] <... close resumed>) = 0 [pid 10781] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] close(4 [pid 10781] <... futex resumed>) = 1 [pid 10780] <... futex resumed>) = 0 [pid 10781] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10780] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] <... futex resumed>) = 0 [pid 10781] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10780] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10781] <... sendto resumed>) = 32 [pid 10781] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10780}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10781] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] <... close resumed>) = 0 [pid 10781] <... futex resumed>) = 1 [pid 10780] <... futex resumed>) = 0 [pid 10781] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10780] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] <... futex resumed>) = 0 [pid 10783] mkdir("./file0", 0777 [pid 10781] getsockname(4, [pid 10780] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10781] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10780, nl_groups=00000000}, [116 => 12]) = 0 [pid 10783] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10781] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10780] <... futex resumed>) = 0 [pid 10781] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10780] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] <... futex resumed>) = 0 [pid 10781] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x1c\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10780] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10783] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10783] ioctl(3, LOOP_CLR_FD [pid 10775] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10775] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10777] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10777] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10775] <... mmap resumed>) = 0x7fb926217000 [pid 10775] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10777] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10777] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10775] <... mprotect resumed>) = 0 [pid 10775] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10777] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10777] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10777] <... futex resumed>) = 0 [pid 10775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 10788 attached ) = 0x7fb926217000 [pid 10775] <... clone3 resumed> => {parent_tid=[10788]}, 88) = 10788 [pid 10777] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10775] rt_sigprocmask(SIG_SETMASK, [], [pid 10788] set_robust_list(0x7fb9262379a0, 24 [pid 10777] <... mprotect resumed>) = 0 [pid 10775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10788] <... set_robust_list resumed>) = 0 [pid 10777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10775] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10775] <... futex resumed>) = 0 [pid 10777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10775] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10788] rt_sigprocmask(SIG_SETMASK, [], [pid 10777] <... clone3 resumed> => {parent_tid=[10789]}, 88) = 10789 [pid 10777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10777] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10777] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10789 attached [pid 10788] <... bpf resumed>) = 5 [pid 10777] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10788] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10775] <... futex resumed>) = 0 [pid 10788] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10775] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10775] <... futex resumed>) = 0 [pid 10788] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10775] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10788] <... bpf resumed>) = 0 [pid 10788] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] set_robust_list(0x7fb9262379a0, 24 [pid 10788] <... futex resumed>) = 1 [pid 10775] <... futex resumed>) = 0 [pid 10789] <... set_robust_list resumed>) = 0 [pid 10788] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10775] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] rt_sigprocmask(SIG_SETMASK, [], [pid 10788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10775] <... futex resumed>) = 0 [pid 10789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10788] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10775] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10789] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10788] <... bpf resumed>) = 6 [pid 10789] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] <... futex resumed>) = 1 [pid 10788] <... futex resumed>) = 1 [pid 10777] <... futex resumed>) = 0 [pid 10775] <... futex resumed>) = 0 [pid 10789] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10788] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10777] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] <... bpf resumed>) = 0 [pid 10788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10777] <... futex resumed>) = 0 [pid 10775] <... futex resumed>) = 0 [pid 10789] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10777] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10775] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10789] <... futex resumed>) = 0 [pid 10788] <... bpf resumed>) = 7 [pid 10777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10789] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10788] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10777] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] <... bpf resumed>) = 6 [pid 10788] <... futex resumed>) = 1 [pid 10777] <... futex resumed>) = 0 [pid 10775] <... futex resumed>) = 0 [pid 10789] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10777] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10789] <... futex resumed>) = 0 [pid 10788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10775] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10788] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10777] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] <... futex resumed>) = 0 [pid 10789] <... bpf resumed>) = 7 [pid 10777] <... futex resumed>) = 0 [pid 10775] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10789] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10777] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10789] <... futex resumed>) = 0 [pid 10777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10789] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10788] <... bpf resumed>) = 8 [pid 10777] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10788] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10777] <... futex resumed>) = 0 [pid 10789] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10788] <... futex resumed>) = 1 [pid 10777] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10775] <... futex resumed>) = 0 [pid 10789] <... bpf resumed>) = 8 [pid 10788] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10775] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10775] <... futex resumed>) = 0 [pid 10789] <... futex resumed>) = 1 [pid 10788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10777] <... futex resumed>) = 0 [pid 10775] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10789] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10788] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10777] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10777] <... futex resumed>) = 0 [pid 10789] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10788] <... bpf resumed>) = 9 [pid 10777] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10789] <... bpf resumed>) = 9 [pid 10788] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10789] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10788] <... futex resumed>) = 1 [pid 10775] <... futex resumed>) = 0 [pid 10788] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10777] <... futex resumed>) = 0 [pid 10789] <... futex resumed>) = 1 [ 152.791093][T10783] loop1: detected capacity change from 0 to 256 [ 152.811215][T10783] exfat: Bad value for 'uid' [pid 10789] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10773] <... sendmsg resumed>) = 64 [pid 10783] <... ioctl resumed>) = 0 [pid 10773] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] close(3 [pid 10771] exit_group(0 [pid 10785] <... futex resumed>) = ? [pid 10780] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10771] <... exit_group resumed>) = ? [pid 10785] +++ exited with 0 +++ [pid 10783] <... close resumed>) = 0 [pid 10780] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10773] <... futex resumed>) = ? [pid 10780] <... futex resumed>) = 0 [pid 10780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10780] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10783] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] <... mprotect resumed>) = 0 [pid 10773] +++ exited with 0 +++ [pid 10771] +++ exited with 0 +++ [pid 10783] <... futex resumed>) = 1 [pid 10782] <... futex resumed>) = 0 [pid 10780] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10771, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 10783] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10782] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10782] <... futex resumed>) = 0 [pid 10780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10790 attached [pid 10783] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10782] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10790] set_robust_list(0x7fb9262379a0, 24 [pid 10783] <... socket resumed>) = 3 [pid 10780] <... clone3 resumed> => {parent_tid=[10790]}, 88) = 10790 [pid 294] <... openat resumed>) = 3 [pid 10790] <... set_robust_list resumed>) = 0 [pid 10783] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] rt_sigprocmask(SIG_SETMASK, [], [pid 294] ioctl(3, LOOP_CLR_FD [pid 10790] rt_sigprocmask(SIG_SETMASK, [], [pid 10783] <... futex resumed>) = 1 [pid 10782] <... futex resumed>) = 0 [pid 10780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10783] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10782] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] close(3 [pid 10790] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10783] <... socket resumed>) = 4 [pid 10782] <... futex resumed>) = 0 [pid 10780] <... futex resumed>) = 0 [pid 10780] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10791 [pid 10783] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10791 attached [pid 10791] set_robust_list(0x5555555916a0, 24 [pid 10783] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10791] <... set_robust_list resumed>) = 0 [pid 10790] <... bpf resumed>) = 5 [pid 10783] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10782] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10782] <... futex resumed>) = 0 [pid 10783] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10782] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10790] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] <... sendto resumed>) = 32 [pid 10783] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10782}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10791] <... prctl resumed>) = 0 [pid 10790] <... futex resumed>) = 1 [pid 10783] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] <... futex resumed>) = 0 [pid 10783] <... futex resumed>) = 1 [pid 10782] <... futex resumed>) = 0 [pid 10780] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] setpgid(0, 0 [pid 10790] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10783] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10782] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10782] <... futex resumed>) = 0 [pid 10780] <... futex resumed>) = 0 [pid 10783] getsockname(4, [pid 10782] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10780] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] <... setpgid resumed>) = 0 [pid 10790] <... bpf resumed>) = 0 [pid 10783] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10782, nl_groups=00000000}, [116 => 12]) = 0 [pid 10783] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10782] <... futex resumed>) = 0 [pid 10783] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10782] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10782] <... futex resumed>) = 0 [pid 10783] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x1e\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10782] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10790] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10790] <... futex resumed>) = 1 [pid 10780] <... futex resumed>) = 0 [pid 10780] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10780] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10790] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10791] <... openat resumed>) = 3 [pid 10790] <... bpf resumed>) = 6 [pid 10791] write(3, "1000", 4 [pid 10790] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] <... write resumed>) = 4 [pid 10790] <... futex resumed>) = 1 [pid 10780] <... futex resumed>) = 0 [pid 10791] close(3 [pid 10790] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10780] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] <... close resumed>) = 0 [pid 10790] <... bpf resumed>) = 7 [pid 10780] <... futex resumed>) = 0 [pid 10791] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10790] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10791] <... futex resumed>) = 0 [pid 10790] <... futex resumed>) = 0 [pid 10780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10780] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10791] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10790] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10780] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10790] <... bpf resumed>) = 8 [pid 10791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10791] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10790] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] <... mprotect resumed>) = 0 [pid 10780] <... futex resumed>) = 0 [pid 10790] <... futex resumed>) = 1 [pid 10780] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10780] <... futex resumed>) = 0 [pid 10790] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10780] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10793]}, 88) = 10793 [pid 10791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10791] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10790] <... bpf resumed>) = 9 [pid 10791] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10793 attached [pid 10790] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10780] <... futex resumed>) = 0 [pid 10790] <... futex resumed>) = 1 [pid 10793] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10793] rt_sigprocmask(SIG_SETMASK, [], [pid 10790] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10793] memfd_create("syzkaller", 0) = 3 [pid 10793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10776] <... sendmsg resumed>) = 64 [pid 10776] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10776] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10793] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10775] exit_group(0) = ? [pid 10776] <... futex resumed>) = ? [pid 10788] <... futex resumed>) = ? [pid 10776] +++ exited with 0 +++ [pid 10788] +++ exited with 0 +++ [pid 10793] <... write resumed>) = 131072 [pid 10793] munmap(0x7fb91de38000, 138412032) = 0 [pid 10793] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 10793] ioctl(4, LOOP_SET_FD, 3 [pid 10775] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10775, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10794 ./strace-static-x86_64: Process 10794 attached [pid 10794] set_robust_list(0x5555555916a0, 24) = 0 [pid 10794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10793] <... ioctl resumed>) = 0 [pid 10781] <... sendmsg resumed>) = 64 [pid 10778] <... sendmsg resumed>) = 64 [pid 10781] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10781] <... futex resumed>) = 0 [pid 10778] <... futex resumed>) = 0 [pid 10781] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10778] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10793] close(3) = 0 [pid 10794] setpgid(0, 0 [pid 10793] close(4 [pid 10780] exit_group(0 [pid 10777] exit_group(0 [pid 10790] <... futex resumed>) = ? [pid 10789] <... futex resumed>) = ? [pid 10780] <... exit_group resumed>) = ? [pid 10777] <... exit_group resumed>) = ? [pid 10790] +++ exited with 0 +++ [pid 10789] +++ exited with 0 +++ [pid 10781] <... futex resumed>) = ? [pid 10778] <... futex resumed>) = ? [pid 10794] <... setpgid resumed>) = 0 [pid 10794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10793] <... close resumed>) = 0 [pid 10793] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10793] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10794] <... openat resumed>) = 3 [pid 10794] write(3, "1000", 4) = 4 [pid 10794] close(3) = 0 [pid 10794] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10794] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10794] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10795]}, 88) = 10795 [pid 10794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10795 attached [pid 10795] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10795] memfd_create("syzkaller", 0 [pid 10793] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10795] <... memfd_create resumed>) = 3 [pid 10795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10793] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 10793] ioctl(3, LOOP_CLR_FD [pid 10795] <... mmap resumed>) = 0x7fb91de38000 [pid 10795] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10795] munmap(0x7fb91de38000, 138412032) = 0 [pid 10795] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10795] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10781] +++ exited with 0 +++ [pid 10780] +++ exited with 0 +++ [pid 10778] +++ exited with 0 +++ [pid 10777] +++ exited with 0 +++ [pid 10795] close(3) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10780, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10777, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10795] close(4 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 300] <... openat resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 299] ioctl(3, LOOP_CLR_FD [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3 [pid 299] close(3 [pid 300] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10782] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10796 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10797 [pid 10782] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] <... close resumed>) = 0 [pid 10782] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10796 attached [pid 10796] set_robust_list(0x5555555916a0, 24) = 0 [pid 10796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10796] setpgid(0, 0 [pid 10795] mkdir("./file0", 0777 [pid 10782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10795] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10782] <... mmap resumed>) = 0x7fb926217000 [pid 10782] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10782] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10798]}, 88) = 10798 [pid 10782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10782] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10782] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10796] <... setpgid resumed>) = 0 [pid 10796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10795] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10796] write(3, "1000", 4) = 4 [pid 10796] close(3) = 0 [pid 10796] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10796] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10796] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10796] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10796] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10799]}, 88) = 10799 [pid 10796] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10796] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10796] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10798 attached [pid 10798] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 10797 attached [pid 10795] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10797] set_robust_list(0x5555555916a0, 24 [pid 10795] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10797] <... set_robust_list resumed>) = 0 [pid 10797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10795] <... openat resumed>) = 3 [pid 10797] <... prctl resumed>) = 0 [pid 10795] ioctl(3, LOOP_CLR_FD [pid 10797] setpgid(0, 0) = 0 [pid 10798] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10797] write(3, "1000", 4) = 4 [pid 10797] close(3) = 0 [pid 10797] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10797] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10797] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10798] <... bpf resumed>) = 5 [pid 10797] <... mprotect resumed>) = 0 [pid 10797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10800 attached [pid 10800] set_robust_list(0x7fb9262589a0, 24 [pid 10797] <... clone3 resumed> => {parent_tid=[10800]}, 88) = 10800 [pid 10800] <... set_robust_list resumed>) = 0 [pid 10797] rt_sigprocmask(SIG_SETMASK, [], [pid 10800] rt_sigprocmask(SIG_SETMASK, [], [pid 10797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10797] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] memfd_create("syzkaller", 0 [pid 10797] <... futex resumed>) = 0 [pid 10797] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10800] <... memfd_create resumed>) = 3 [pid 10800] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10798] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10782] <... futex resumed>) = 0 [pid 10782] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10782] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10798] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10800] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10798] <... bpf resumed>) = 0 [pid 10800] <... write resumed>) = 131072 [pid 10800] munmap(0x7fb91de38000, 138412032 [pid 10798] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... munmap resumed>) = 0 [pid 10800] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 10800] ioctl(4, LOOP_SET_FD, 3 [pid 10793] <... ioctl resumed>) = 0 [pid 10793] close(3) = 0 [pid 10793] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10793] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10798] <... futex resumed>) = 1 [pid 10798] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10799 attached [pid 10799] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10799] memfd_create("syzkaller", 0) = 3 [pid 10799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10791] <... futex resumed>) = 0 [pid 10791] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] <... futex resumed>) = 0 [pid 10782] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 1 [pid 10793] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10793] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10793] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10799] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10798] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = 1 [pid 10798] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10791] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10782] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10798] <... bpf resumed>) = 6 [pid 10791] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10798] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 1 [pid 10798] <... futex resumed>) = 1 [pid 10793] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10791] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10782] <... futex resumed>) = 0 [ 152.901357][T10793] loop0: detected capacity change from 0 to 256 [ 152.913017][T10793] exfat: Bad value for 'uid' [ 152.922060][T10795] loop2: detected capacity change from 0 to 256 [ 152.943165][T10795] exfat: Bad value for 'uid' [pid 10798] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10793] <... socket resumed>) = 4 [pid 10793] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10793] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10799] <... write resumed>) = 131072 [pid 10799] munmap(0x7fb91de38000, 138412032) = 0 [pid 10799] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10799] ioctl(4, LOOP_SET_FD, 3 [pid 10800] <... ioctl resumed>) = 0 [pid 10795] <... ioctl resumed>) = 0 [pid 10791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10783] <... sendmsg resumed>) = 64 [pid 10782] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10799] <... ioctl resumed>) = 0 [pid 10799] close(3) = 0 [pid 10799] close(4) = 0 [pid 10799] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10799] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10791] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] <... futex resumed>) = 1 [pid 10791] <... futex resumed>) = 1 [pid 10782] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10783] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] close(3 [pid 10798] <... futex resumed>) = 0 [pid 10793] <... futex resumed>) = 0 [pid 10798] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10793] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10798] <... bpf resumed>) = 7 [pid 10793] <... sendto resumed>) = 32 [pid 10798] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] recvfrom(4, [pid 10798] <... futex resumed>) = 0 [pid 10793] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10791}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10798] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10793] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10793] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10800] close(3 [pid 10795] <... close resumed>) = 0 [pid 10791] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10783] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10782] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] <... futex resumed>) = 1 [pid 10794] <... futex resumed>) = 0 [pid 10791] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] <... bpf resumed>) = 8 [pid 10782] <... futex resumed>) = 0 [pid 10795] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] <... futex resumed>) = 1 [pid 10783] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10795] <... socket resumed>) = 3 [pid 10794] <... futex resumed>) = 0 [pid 10791] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10783] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10782] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] <... futex resumed>) = 0 [pid 10794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10783] <... bpf resumed>) = 9 [pid 10782] <... futex resumed>) = 0 [pid 10795] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10783] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10782] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10795] <... socket resumed>) = 4 [pid 10794] <... futex resumed>) = 0 [pid 10793] <... futex resumed>) = 0 [pid 10783] <... futex resumed>) = 0 [pid 10782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10793] getsockname(4, [pid 10783] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10782] exit_group(0 [pid 10795] <... futex resumed>) = 0 [pid 10794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10783] <... futex resumed>) = ? [pid 10782] <... exit_group resumed>) = ? [pid 10800] <... close resumed>) = 0 [pid 10799] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10798] <... futex resumed>) = ? [pid 10795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10791, nl_groups=00000000}, [116 => 12]) = 0 [pid 10783] +++ exited with 0 +++ [pid 10795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] <... futex resumed>) = 0 [pid 10795] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10795] <... sendto resumed>) = 32 [pid 10798] +++ exited with 0 +++ [pid 10782] +++ exited with 0 +++ [pid 10795] recvfrom(4, [pid 10793] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10794}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] <... futex resumed>) = 1 [pid 10791] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 10795] <... futex resumed>) = 1 [pid 10794] <... futex resumed>) = 0 [pid 10791] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x27\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10791] <... futex resumed>) = 0 [pid 10795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] <... futex resumed>) = 0 [pid 10791] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... restart_syscall resumed>) = 0 [pid 10795] getsockname(4, [pid 10794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10795] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10794, nl_groups=00000000}, [116 => 12]) = 0 [pid 10795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10795] <... futex resumed>) = 1 [pid 10794] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 10795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 10795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10795] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2a\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10802 ./strace-static-x86_64: Process 10802 attached [pid 10802] set_robust_list(0x5555555916a0, 24) = 0 [pid 10802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10802] setpgid(0, 0) = 0 [pid 10802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10802] write(3, "1000", 4) = 4 [pid 10802] close(3) = 0 [pid 10802] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10802] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10802] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10802] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10802] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10802] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10803]}, 88) = 10803 [pid 10802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10802] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10802] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10800] close(4) = 0 [pid 10800] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10800] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10800] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10800] ioctl(3, LOOP_CLR_FD [pid 10799] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10799] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10803 attached [pid 10803] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10803] memfd_create("syzkaller", 0) = 3 [pid 10803] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10803] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10803] munmap(0x7fb91de38000, 138412032) = 0 [pid 10803] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10803] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10803] close(3) = 0 [pid 10803] close(4) = 0 [pid 10803] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 152.966763][T10800] loop3: detected capacity change from 0 to 256 [ 152.969406][T10799] loop4: detected capacity change from 0 to 256 [ 152.983646][T10799] exfat: Bad value for 'uid' [ 152.999734][T10800] exfat: Bad value for 'uid' [ 153.009552][T10803] loop1: detected capacity change from 0 to 256 [pid 10803] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10803] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10803] ioctl(3, LOOP_CLR_FD) = 0 [pid 10803] close(3) = 0 [pid 10803] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10802] <... futex resumed>) = 0 [pid 10802] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10802] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10803] <... futex resumed>) = 1 [pid 10803] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10803] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10802] <... futex resumed>) = 0 [pid 10802] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10802] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10803] <... futex resumed>) = 1 [pid 10803] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 10803] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10802] <... futex resumed>) = 0 [pid 10802] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10802] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10803] <... futex resumed>) = 1 [pid 10803] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 10803] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10802}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10803] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10802] <... futex resumed>) = 0 [pid 10802] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10803] <... futex resumed>) = 1 [pid 10802] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10800] <... ioctl resumed>) = 0 [pid 10799] <... ioctl resumed>) = 0 [pid 10800] close(3 [pid 10799] close(3 [pid 10800] <... close resumed>) = 0 [pid 10799] <... close resumed>) = 0 [pid 10800] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10799] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = 1 [pid 10799] <... futex resumed>) = 1 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10799] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10797] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10799] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10797] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10796] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10800] <... socket resumed>) = 3 [pid 10799] <... socket resumed>) = 3 [pid 10800] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10799] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = 1 [pid 10799] <... futex resumed>) = 1 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10799] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10797] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10799] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10797] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10796] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10803] getsockname(4, [pid 10800] <... socket resumed>) = 4 [pid 10799] <... socket resumed>) = 4 [pid 10803] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10802, nl_groups=00000000}, [116 => 12]) = 0 [pid 10800] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10799] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = 1 [pid 10799] <... futex resumed>) = 1 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10799] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10797] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10799] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10797] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10796] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10803] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... sendto resumed>) = 32 [pid 10799] <... sendto resumed>) = 32 [pid 10800] recvfrom(4, [pid 10799] recvfrom(4, [pid 10803] <... futex resumed>) = 1 [pid 10802] <... futex resumed>) = 0 [pid 10802] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10797}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10799] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10796}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10803] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x32\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10802] <... futex resumed>) = 0 [pid 10800] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10799] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10802] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10800] <... futex resumed>) = 1 [pid 10799] <... futex resumed>) = 1 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10799] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10797] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] getsockname(4, [pid 10799] getsockname(4, [pid 10797] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10796] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10800] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10797, nl_groups=00000000}, [116 => 12]) = 0 [pid 10799] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10796, nl_groups=00000000}, [116 => 12]) = 0 [pid 10800] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10799] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = 1 [pid 10799] <... futex resumed>) = 1 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10799] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10797] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10800] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2d\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10799] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2c\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10797] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10796] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10794] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10791] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10794] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10794] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 0 [pid 10794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10794] <... mmap resumed>) = 0x7fb926217000 [pid 10791] <... mmap resumed>) = 0x7fb926217000 [pid 10794] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10791] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10794] <... mprotect resumed>) = 0 [pid 10791] <... mprotect resumed>) = 0 [pid 10794] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10794] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10794] <... clone3 resumed> => {parent_tid=[10806]}, 88) = 10806 [pid 10791] <... clone3 resumed> => {parent_tid=[10807]}, 88) = 10807 ./strace-static-x86_64: Process 10807 attached ./strace-static-x86_64: Process 10806 attached [pid 10794] rt_sigprocmask(SIG_SETMASK, [], [pid 10806] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10806] rt_sigprocmask(SIG_SETMASK, [], [pid 10807] set_robust_list(0x7fb9262379a0, 24 [pid 10806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10807] <... set_robust_list resumed>) = 0 [pid 10806] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10807] rt_sigprocmask(SIG_SETMASK, [], [pid 10794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10791] rt_sigprocmask(SIG_SETMASK, [], [pid 10807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10807] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10794] <... futex resumed>) = 1 [pid 10791] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] <... futex resumed>) = 0 [pid 10794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] <... futex resumed>) = 1 [pid 10807] <... futex resumed>) = 0 [pid 10806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10791] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10806] <... bpf resumed>) = 5 [pid 10807] <... bpf resumed>) = 5 [pid 10806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10806] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10807] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [ 153.017544][T10803] exfat: Bad value for 'uid' [pid 10794] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 0 [pid 10794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] <... futex resumed>) = 0 [pid 10794] <... futex resumed>) = 1 [pid 10806] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10806] <... bpf resumed>) = 0 [pid 10791] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10794] <... futex resumed>) = 0 [pid 10806] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] <... futex resumed>) = 0 [pid 10806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 1 [pid 10806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10807] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10806] <... bpf resumed>) = 6 [pid 10791] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10807] <... bpf resumed>) = 0 [pid 10806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10794] <... futex resumed>) = 0 [pid 10806] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] <... futex resumed>) = 0 [pid 10807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10807] <... futex resumed>) = 1 [pid 10806] <... bpf resumed>) = 7 [pid 10791] <... futex resumed>) = 0 [pid 10807] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10806] <... futex resumed>) = 1 [pid 10794] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 0 [pid 10807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10806] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10807] <... bpf resumed>) = 6 [pid 10806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] <... futex resumed>) = 0 [pid 10807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10807] <... futex resumed>) = 1 [pid 10794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10791] <... futex resumed>) = 0 [pid 10807] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10791] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10791] <... futex resumed>) = 0 [pid 10807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10791] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10807] <... bpf resumed>) = 7 [pid 10807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10791] <... futex resumed>) = 0 [pid 10807] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10791] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10791] <... futex resumed>) = 0 [pid 10807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10791] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10807] <... bpf resumed>) = 8 [pid 10806] <... bpf resumed>) = 8 [pid 10807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] <... futex resumed>) = 1 [pid 10806] <... futex resumed>) = 1 [pid 10794] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 0 [pid 10807] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10806] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10791] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10794] <... futex resumed>) = 0 [pid 10791] <... futex resumed>) = 0 [pid 10807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10791] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10807] <... bpf resumed>) = 9 [pid 10807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10791] <... futex resumed>) = 0 [pid 10807] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10806] <... bpf resumed>) = 9 [pid 10806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10806] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10794] <... futex resumed>) = 0 [pid 10802] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10802] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10802] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10802] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10802] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10810 attached => {parent_tid=[10810]}, 88) = 10810 [pid 10802] rt_sigprocmask(SIG_SETMASK, [], [pid 10810] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10797] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10796] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10802] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] <... sendmsg resumed>) = 64 [pid 10802] <... futex resumed>) = 0 [pid 10797] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] rt_sigprocmask(SIG_SETMASK, [], [pid 10802] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10797] <... futex resumed>) = 0 [pid 10810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10796] <... futex resumed>) = 0 [pid 10793] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10797] <... mmap resumed>) = 0x7fb926217000 [pid 10796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10793] <... futex resumed>) = 0 [pid 10791] exit_group(0 [pid 10810] <... bpf resumed>) = 5 [pid 10807] <... futex resumed>) = ? [pid 10797] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10796] <... mmap resumed>) = 0x7fb926217000 [pid 10791] <... exit_group resumed>) = ? [pid 10810] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10807] +++ exited with 0 +++ [pid 10797] <... mprotect resumed>) = 0 [pid 10796] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10810] <... futex resumed>) = 1 [pid 10810] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10802] <... futex resumed>) = 0 [pid 10810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10802] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10796] <... mprotect resumed>) = 0 [pid 10802] <... futex resumed>) = 0 [pid 10796] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10810] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10802] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10797] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10796] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10812 attached [pid 10810] <... bpf resumed>) = 0 [pid 10812] set_robust_list(0x7fb9262379a0, 24 [pid 10810] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] <... clone3 resumed> => {parent_tid=[10811]}, 88) = 10811 [pid 10796] <... clone3 resumed> => {parent_tid=[10812]}, 88) = 10812 [pid 10812] <... set_robust_list resumed>) = 0 [pid 10810] <... futex resumed>) = 1 [pid 10802] <... futex resumed>) = 0 [pid 10797] rt_sigprocmask(SIG_SETMASK, [], [pid 10796] rt_sigprocmask(SIG_SETMASK, [], [pid 10812] rt_sigprocmask(SIG_SETMASK, [], [pid 10810] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10802] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10810] <... bpf resumed>) = 6 [pid 10802] <... futex resumed>) = 0 [pid 10797] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10810] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10802] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10812] <... bpf resumed>) = 5 [pid 10810] <... futex resumed>) = 0 [pid 10802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10796] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10812] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10802] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10812] <... futex resumed>) = 0 [pid 10810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10802] <... futex resumed>) = 0 [pid 10796] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10812] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10802] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10796] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10811 attached [pid 10812] <... bpf resumed>) = 0 [pid 10796] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10812] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] set_robust_list(0x7fb9262379a0, 24 [pid 10812] <... futex resumed>) = 1 [pid 10811] <... set_robust_list resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10812] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10811] rt_sigprocmask(SIG_SETMASK, [], [pid 10796] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10811] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10796] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10812] <... bpf resumed>) = 6 [pid 10811] <... bpf resumed>) = 5 [pid 10812] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10812] <... futex resumed>) = 1 [pid 10811] <... futex resumed>) = 1 [pid 10796] <... futex resumed>) = 0 [pid 10812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10811] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10797] <... futex resumed>) = 0 [pid 10796] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] <... futex resumed>) = 0 [pid 10811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] <... futex resumed>) = 0 [pid 10796] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10797] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10811] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10811] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10811] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10797] <... futex resumed>) = 0 [pid 10811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10797] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10797] <... futex resumed>) = 0 [pid 10811] <... bpf resumed>) = 6 [pid 10797] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10811] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10797] <... futex resumed>) = 0 [pid 10797] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10797] <... futex resumed>) = 0 [pid 10797] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10795] <... sendmsg resumed>) = 64 [pid 10812] <... bpf resumed>) = 7 [pid 10811] <... bpf resumed>) = 7 [pid 10810] <... bpf resumed>) = 7 [pid 10795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10793] +++ exited with 0 +++ [pid 10791] +++ exited with 0 +++ [pid 10812] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10791, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10812] <... futex resumed>) = 1 [pid 10811] <... futex resumed>) = 1 [pid 10810] <... futex resumed>) = 1 [pid 10802] <... futex resumed>) = 0 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10812] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10811] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10810] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10802] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10802] <... futex resumed>) = 0 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10794] exit_group(0 [pid 10811] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10810] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10806] <... futex resumed>) = ? [pid 10802] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10797] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10796] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10795] <... futex resumed>) = ? [pid 10794] <... exit_group resumed>) = ? [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10812] <... bpf resumed>) = 8 [pid 10811] <... bpf resumed>) = 8 [pid 10810] <... bpf resumed>) = 8 [pid 10806] +++ exited with 0 +++ [pid 10811] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10810] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] <... futex resumed>) = 1 [pid 10810] <... futex resumed>) = 1 [pid 10802] <... futex resumed>) = 0 [pid 10797] <... futex resumed>) = 0 [pid 10812] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10810] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10802] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10795] +++ exited with 0 +++ [pid 10794] +++ exited with 0 +++ [pid 294] <... openat resumed>) = 3 [pid 10812] <... futex resumed>) = 1 [pid 10811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10802] <... futex resumed>) = 0 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 10812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10811] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10802] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10797] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10796] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10794, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10796] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 294] close(3 [pid 10796] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 298] <... openat resumed>) = 3 [pid 294] <... close resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10813 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10814 ./strace-static-x86_64: Process 10814 attached ./strace-static-x86_64: Process 10813 attached [pid 10814] set_robust_list(0x5555555916a0, 24 [pid 10813] set_robust_list(0x5555555916a0, 24 [pid 10814] <... set_robust_list resumed>) = 0 [pid 10813] <... set_robust_list resumed>) = 0 [pid 10814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10814] <... prctl resumed>) = 0 [pid 10813] <... prctl resumed>) = 0 [pid 10814] setpgid(0, 0 [pid 10813] setpgid(0, 0 [pid 10814] <... setpgid resumed>) = 0 [pid 10813] <... setpgid resumed>) = 0 [pid 10814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10814] <... openat resumed>) = 3 [pid 10813] <... openat resumed>) = 3 [pid 10814] write(3, "1000", 4 [pid 10813] write(3, "1000", 4 [pid 10814] <... write resumed>) = 4 [pid 10813] <... write resumed>) = 4 [pid 10814] close(3) = 0 [pid 10813] close(3 [pid 10814] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] <... close resumed>) = 0 [pid 10814] <... futex resumed>) = 0 [pid 10813] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10813] <... futex resumed>) = 0 [pid 10814] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10813] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10813] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10814] <... mmap resumed>) = 0x7fb926238000 [pid 10813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10814] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10813] <... mmap resumed>) = 0x7fb926238000 [pid 10814] <... mprotect resumed>) = 0 [pid 10813] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10813] <... mprotect resumed>) = 0 [pid 10814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10815 attached [pid 10814] <... clone3 resumed> => {parent_tid=[10815]}, 88) = 10815 [pid 10814] rt_sigprocmask(SIG_SETMASK, [], [pid 10813] <... clone3 resumed> => {parent_tid=[10816]}, 88) = 10816 ./strace-static-x86_64: Process 10816 attached [pid 10815] set_robust_list(0x7fb9262589a0, 24 [pid 10814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10814] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] rt_sigprocmask(SIG_SETMASK, [], [pid 10815] <... set_robust_list resumed>) = 0 [pid 10816] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10815] rt_sigprocmask(SIG_SETMASK, [], [pid 10814] <... futex resumed>) = 0 [pid 10813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10816] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10815] memfd_create("syzkaller", 0 [pid 10814] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10815] <... memfd_create resumed>) = 3 [pid 10813] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10816] <... futex resumed>) = 0 [pid 10815] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10813] <... futex resumed>) = 1 [pid 10816] memfd_create("syzkaller", 0 [pid 10815] <... write resumed>) = 131072 [pid 10813] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10816] <... memfd_create resumed>) = 3 [pid 10815] munmap(0x7fb91de38000, 138412032 [pid 10816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10815] <... munmap resumed>) = 0 [pid 10816] <... mmap resumed>) = 0x7fb91de38000 [pid 10815] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10812] <... bpf resumed>) = 9 [pid 10811] <... bpf resumed>) = 9 [pid 10810] <... bpf resumed>) = 9 [pid 10815] <... openat resumed>) = 4 [pid 10812] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10811] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10815] ioctl(4, LOOP_SET_FD, 3 [pid 10812] <... futex resumed>) = 1 [pid 10811] <... futex resumed>) = 1 [pid 10810] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] <... futex resumed>) = 0 [pid 10796] <... futex resumed>) = 0 [pid 10816] <... write resumed>) = 131072 [pid 10815] <... ioctl resumed>) = 0 [pid 10812] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10811] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10810] <... futex resumed>) = 1 [pid 10802] <... futex resumed>) = 0 [pid 10816] munmap(0x7fb91de38000, 138412032 [pid 10815] close(3 [pid 10810] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10816] <... munmap resumed>) = 0 [pid 10815] <... close resumed>) = 0 [pid 10816] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10815] close(4) = 0 [pid 10815] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10815] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10816] <... openat resumed>) = 4 [pid 10815] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10815] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 10815] ioctl(3, LOOP_CLR_FD [pid 10816] ioctl(4, LOOP_SET_FD, 3 [pid 10803] <... sendmsg resumed>) = 64 [pid 10800] <... sendmsg resumed>) = 64 [pid 10803] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10802] exit_group(0 [pid 10800] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10797] exit_group(0 [pid 10816] <... ioctl resumed>) = 0 [pid 10811] <... futex resumed>) = ? [pid 10810] <... futex resumed>) = ? [pid 10803] <... futex resumed>) = ? [pid 10802] <... exit_group resumed>) = ? [pid 10800] <... futex resumed>) = ? [pid 10797] <... exit_group resumed>) = ? [pid 10816] close(3 [pid 10811] +++ exited with 0 +++ [pid 10810] +++ exited with 0 +++ [pid 10803] +++ exited with 0 +++ [pid 10800] +++ exited with 0 +++ [pid 10816] <... close resumed>) = 0 [pid 10816] close(4) = 0 [pid 10816] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10816] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10815] <... ioctl resumed>) = 0 [pid 10797] +++ exited with 0 +++ [pid 10815] close(3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10815] <... close resumed>) = 0 [pid 10815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10814] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10815] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10814] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... openat resumed>) = 3 [pid 10815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10814] <... futex resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 10815] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10814] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10815] <... socket resumed>) = 3 [pid 10799] <... sendmsg resumed>) = 64 [pid 299] close(3 [pid 10815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 10815] <... futex resumed>) = 1 [pid 10814] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10815] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10814] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10799] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10814] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10817 [pid 10815] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10814] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10815] <... socket resumed>) = 4 [pid 10796] exit_group(0 [pid 10815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10796] <... exit_group resumed>) = ? [pid 10812] <... futex resumed>) = ? [pid 10815] <... futex resumed>) = 1 [pid 10814] <... futex resumed>) = 0 [pid 10815] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10814] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10812] +++ exited with 0 +++ [pid 10815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10814] <... futex resumed>) = 0 [pid 10815] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10814] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10815] <... sendto resumed>) = 32 [pid 10815] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10814}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10799] <... futex resumed>) = ? [pid 10815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10814] <... futex resumed>) = 0 [pid 10815] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10814] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10814] <... futex resumed>) = 0 [pid 10815] getsockname(4, [pid 10814] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10815] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10814, nl_groups=00000000}, [116 => 12]) = 0 [pid 10815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10814] <... futex resumed>) = 0 [pid 10815] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10814] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10814] <... futex resumed>) = 0 [pid 10815] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3e\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10814] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10816] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10816] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10816] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10817 attached [pid 10817] set_robust_list(0x5555555916a0, 24) = 0 [pid 10817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10817] setpgid(0, 0) = 0 [pid 10817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10817] write(3, "1000", 4) = 4 [pid 10817] close(3) = 0 [pid 10817] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10817] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10817] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10817] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10817] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10819]}, 88) = 10819 [pid 10817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10817] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10817] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10819 attached [pid 10819] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10819] memfd_create("syzkaller", 0) = 3 [pid 10819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10819] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10819] munmap(0x7fb91de38000, 138412032) = 0 [pid 10819] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 153.129912][T10815] loop0: detected capacity change from 0 to 256 [ 153.139723][T10815] exfat: Bad value for 'uid' [ 153.145378][T10816] loop2: detected capacity change from 0 to 256 [ 153.155129][T10816] exfat: Bad value for 'uid' [pid 10819] ioctl(4, LOOP_SET_FD, 3 [pid 10802] +++ exited with 0 +++ [pid 10799] +++ exited with 0 +++ [pid 10819] <... ioctl resumed>) = 0 [pid 10796] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10802, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10819] close(3 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10796, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10819] <... close resumed>) = 0 [pid 10819] close(4) = 0 [pid 10819] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10819] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 10819] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10819] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10819] ioctl(3, LOOP_CLR_FD [pid 300] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... openat resumed>) = 3 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10820 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3./strace-static-x86_64: Process 10820 attached [pid 10820] set_robust_list(0x5555555916a0, 24) = 0 [pid 10820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... close resumed>) = 0 [pid 10820] <... prctl resumed>) = 0 [pid 10820] setpgid(0, 0) = 0 [pid 10820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10821 [pid 10820] <... openat resumed>) = 3 [pid 10820] write(3, "1000", 4) = 4 [pid 10820] close(3) = 0 [pid 10820] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10820] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10820] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10820] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10822]}, 88) = 10822 [pid 10820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10820] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10820] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10821 attached [pid 10821] set_robust_list(0x5555555916a0, 24) = 0 [pid 10821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10821] setpgid(0, 0) = 0 [pid 10821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10822 attached ) = 3 [pid 10822] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10822] rt_sigprocmask(SIG_SETMASK, [], [pid 10821] write(3, "1000", 4) = 4 [pid 10822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10822] memfd_create("syzkaller", 0 [pid 10821] close(3) = 0 [pid 10821] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10822] <... memfd_create resumed>) = 3 [pid 10821] <... futex resumed>) = 0 [pid 10822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10821] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10822] <... mmap resumed>) = 0x7fb91de38000 [pid 10821] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10821] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10821] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10823]}, 88) = 10823 [pid 10821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10821] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10821] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10823 attached [pid 10823] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10823] rt_sigprocmask(SIG_SETMASK, [], [pid 10822] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10816] <... ioctl resumed>) = 0 [pid 10814] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10814] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] close(3 [pid 10814] <... futex resumed>) = 0 [pid 10814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10816] <... close resumed>) = 0 [pid 10816] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] <... mmap resumed>) = 0x7fb926217000 [pid 10816] <... futex resumed>) = 1 [pid 10814] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10813] <... futex resumed>) = 0 [pid 10814] <... mprotect resumed>) = 0 [pid 10813] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10813] <... futex resumed>) = 0 [pid 10823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10816] <... socket resumed>) = 3 [pid 10814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10813] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10816] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10816] <... futex resumed>) = 0 [pid 10813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10823] memfd_create("syzkaller", 0 [pid 10816] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10813] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] <... clone3 resumed> => {parent_tid=[10824]}, 88) = 10824 [pid 10816] <... socket resumed>) = 4 [pid 10814] rt_sigprocmask(SIG_SETMASK, [], [pid 10813] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10816] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] <... futex resumed>) = 1 [pid 10814] <... futex resumed>) = 0 [pid 10813] <... futex resumed>) = 0 [pid 10816] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10814] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10813] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10813] <... futex resumed>) = 0 [pid 10816] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10813] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10816] <... sendto resumed>) = 32 [pid 10816] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10813}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10816] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10816] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10813] <... futex resumed>) = 0 [pid 10823] <... memfd_create resumed>) = 3 [pid 10813] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10816] <... futex resumed>) = 0 [pid 10813] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10816] getsockname(4, [pid 10823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10816] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10813, nl_groups=00000000}, [116 => 12]) = 0 [pid 10816] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10813] <... futex resumed>) = 0 [pid 10816] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10813] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10813] <... futex resumed>) = 0 [pid 10816] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3d\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10813] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10823] <... mmap resumed>) = 0x7fb91de38000 ./strace-static-x86_64: Process 10824 attached [pid 10819] <... ioctl resumed>) = 0 [pid 10819] close(3) = 0 [pid 10819] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10817] <... futex resumed>) = 0 [pid 10819] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10817] <... futex resumed>) = 0 [pid 10819] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10817] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10819] <... socket resumed>) = 3 [pid 10819] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10817] <... futex resumed>) = 0 [pid 10819] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10817] <... futex resumed>) = 0 [pid 10819] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10817] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10819] <... socket resumed>) = 4 [pid 10819] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10817] <... futex resumed>) = 0 [pid 10819] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10817] <... futex resumed>) = 0 [pid 10819] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10817] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10823] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10823] munmap(0x7fb91de38000, 138412032) = 0 [pid 10823] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 153.184834][T10819] loop3: detected capacity change from 0 to 256 [ 153.192770][T10819] exfat: Bad value for 'uid' [pid 10823] ioctl(4, LOOP_SET_FD, 3 [pid 10824] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10823] <... ioctl resumed>) = 0 [pid 10823] close(3) = 0 [pid 10823] close(4) = 0 [pid 10823] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10823] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10824] rt_sigprocmask(SIG_SETMASK, [], [pid 10822] <... write resumed>) = 131072 [pid 10823] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10823] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10823] ioctl(3, LOOP_CLR_FD) = 0 [pid 10823] close(3 [pid 10824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10824] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10824] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10822] munmap(0x7fb91de38000, 138412032) = 0 [pid 10822] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10814] <... futex resumed>) = 0 [pid 10814] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10824] <... futex resumed>) = 1 [pid 10824] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10824] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] <... futex resumed>) = 0 [pid 10814] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10822] <... openat resumed>) = 4 [pid 10824] <... futex resumed>) = 1 [pid 10824] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10822] ioctl(4, LOOP_SET_FD, 3 [pid 10823] <... close resumed>) = 0 [pid 10824] <... bpf resumed>) = 6 [pid 10824] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] <... futex resumed>) = 0 [pid 10814] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10824] <... futex resumed>) = 1 [pid 10824] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10823] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10815] <... sendmsg resumed>) = 64 [pid 10815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10815] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10824] <... bpf resumed>) = 7 [pid 10824] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] <... futex resumed>) = 0 [pid 10814] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10815] <... futex resumed>) = 0 [pid 10814] <... futex resumed>) = 1 [pid 10815] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10814] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10823] <... futex resumed>) = 1 [pid 10821] <... futex resumed>) = 0 [pid 10815] <... bpf resumed>) = 8 [pid 10821] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10821] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10823] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10814] <... futex resumed>) = 0 [pid 10814] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10814] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10815] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10824] <... futex resumed>) = 1 [pid 10823] <... socket resumed>) = 3 [pid 10822] <... ioctl resumed>) = 0 [pid 10815] <... bpf resumed>) = 9 [pid 10823] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10821] <... futex resumed>) = 0 [pid 10823] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10821] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10823] <... socket resumed>) = 4 [pid 10821] <... futex resumed>) = 0 [pid 10823] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10821] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10823] <... futex resumed>) = 0 [pid 10821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10823] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10821] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10824] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10822] close(3 [pid 10821] <... futex resumed>) = 0 [pid 10815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10821] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10815] <... futex resumed>) = 1 [pid 10814] <... futex resumed>) = 0 [pid 10822] <... close resumed>) = 0 [pid 10819] <... sendto resumed>) = 32 [pid 10819] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10817}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10819] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10817] <... futex resumed>) = 0 [pid 10819] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10814] exit_group(0 [pid 10823] <... sendto resumed>) = 32 [pid 10815] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10817] <... futex resumed>) = 0 [pid 10819] getsockname(4, [pid 10817] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10819] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10817, nl_groups=00000000}, [116 => 12]) = 0 [pid 10819] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10817] <... futex resumed>) = 0 [pid 10819] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10817] <... futex resumed>) = 0 [pid 10823] recvfrom(4, [pid 10819] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x41\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10817] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10815] <... futex resumed>) = ? [pid 10814] <... exit_group resumed>) = ? [pid 10823] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10821}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10822] close(4) = 0 [pid 10822] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10822] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10823] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10815] +++ exited with 0 +++ [pid 10823] <... futex resumed>) = 1 [pid 10821] <... futex resumed>) = 0 [pid 10821] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10823] getsockname(4, [pid 10821] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10823] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10821, nl_groups=00000000}, [116 => 12]) = 0 [pid 10823] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10821] <... futex resumed>) = 0 [pid 10813] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10824] <... futex resumed>) = ? [pid 10823] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10822] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10821] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10824] +++ exited with 0 +++ [pid 10814] +++ exited with 0 +++ [pid 10823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10822] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10821] <... futex resumed>) = 0 [pid 10813] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10814, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10823] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x45\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10822] <... openat resumed>) = 3 [pid 10821] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10822] ioctl(3, LOOP_CLR_FD [pid 10813] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10813] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10813] <... clone3 resumed> => {parent_tid=[10828]}, 88) = 10828 [pid 294] <... openat resumed>) = 3 [pid 10813] rt_sigprocmask(SIG_SETMASK, [], [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3./strace-static-x86_64: Process 10828 attached [pid 10813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... close resumed>) = 0 [pid 10828] set_robust_list(0x7fb9262379a0, 24 [pid 10813] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10828] <... set_robust_list resumed>) = 0 [pid 10813] <... futex resumed>) = 0 [pid 10828] rt_sigprocmask(SIG_SETMASK, [], [pid 10813] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10828] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10829 [pid 10828] <... futex resumed>) = 1 [pid 10813] <... futex resumed>) = 0 [pid 10828] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10813] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10828] <... bpf resumed>) = 0 [pid 10813] <... futex resumed>) = 0 [pid 10828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10828] <... futex resumed>) = 0 [pid 10813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10813] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10829 attached ) = 0 [pid 10829] set_robust_list(0x5555555916a0, 24) = 0 [pid 10829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10829] setpgid(0, 0) = 0 [pid 10813] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10828] <... bpf resumed>) = 6 [pid 10828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10829] <... openat resumed>) = 3 [pid 10828] <... futex resumed>) = 1 [pid 10813] <... futex resumed>) = 0 [pid 10828] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10813] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10829] write(3, "1000", 4 [pid 10813] <... futex resumed>) = 0 [pid 10813] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10829] <... write resumed>) = 4 [pid 10829] close(3) = 0 [pid 10829] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10829] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10829] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10829] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10830]}, 88) = 10830 [pid 10829] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10829] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10829] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10828] <... bpf resumed>) = 7 [pid 10828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10813] <... futex resumed>) = 0 [pid 10828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10813] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10828] <... bpf resumed>) = 8 [pid 10822] <... ioctl resumed>) = 0 [pid 10813] <... futex resumed>) = 0 [pid 10828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10828] <... futex resumed>) = 0 [pid 10813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 10830 attached [pid 10828] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10822] close(3 [pid 10813] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10828] <... bpf resumed>) = 9 [pid 10822] <... close resumed>) = 0 [pid 10813] <... futex resumed>) = 0 [pid 10828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10813] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10828] <... futex resumed>) = 0 [pid 10813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10828] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10830] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10830] memfd_create("syzkaller", 0) = 3 [pid 10830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10822] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10820] <... futex resumed>) = 0 [pid 10822] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10820] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10820] <... futex resumed>) = 0 [pid 10830] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10822] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10820] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10830] <... write resumed>) = 131072 [pid 10822] <... socket resumed>) = 3 [pid 10822] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10820] <... futex resumed>) = 0 [pid 10830] munmap(0x7fb91de38000, 138412032 [pid 10822] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10820] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] <... munmap resumed>) = 0 [pid 10822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10820] <... futex resumed>) = 0 [pid 10830] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10822] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10820] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10830] <... openat resumed>) = 4 [pid 10822] <... socket resumed>) = 4 [pid 10830] ioctl(4, LOOP_SET_FD, 3 [pid 10822] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10820] <... futex resumed>) = 0 [ 153.231571][T10823] loop1: detected capacity change from 0 to 256 [ 153.238690][T10823] exfat: Bad value for 'uid' [ 153.252083][T10822] loop4: detected capacity change from 0 to 256 [ 153.273178][T10822] exfat: Bad value for 'uid' [pid 10822] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10820] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10822] <... futex resumed>) = 0 [pid 10820] <... futex resumed>) = 1 [pid 10822] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10820] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10822] <... sendto resumed>) = 32 [pid 10822] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10820}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10822] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10820] <... futex resumed>) = 0 [pid 10822] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10820] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10820] <... futex resumed>) = 0 [pid 10822] getsockname(4, [pid 10820] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10822] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10820, nl_groups=00000000}, [116 => 12]) = 0 [pid 10822] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10820] <... futex resumed>) = 0 [pid 10822] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10820] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] <... ioctl resumed>) = 0 [pid 10822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10820] <... futex resumed>) = 0 [pid 10830] close(3 [pid 10822] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x44\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10820] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10830] <... close resumed>) = 0 [pid 10830] close(4) = 0 [pid 10830] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10830] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10817] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10817] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10817] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10817] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10832 attached => {parent_tid=[10832]}, 88) = 10832 [pid 10817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10832] set_robust_list(0x7fb9262379a0, 24 [pid 10830] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10817] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10816] <... sendmsg resumed>) = 64 [pid 10817] <... futex resumed>) = 0 [pid 10817] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10816] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10832] <... set_robust_list resumed>) = 0 [pid 10813] exit_group(0 [pid 10832] rt_sigprocmask(SIG_SETMASK, [], [pid 10830] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10828] <... futex resumed>) = ? [pid 10813] <... exit_group resumed>) = ? [pid 10832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10830] <... openat resumed>) = 3 [pid 10828] +++ exited with 0 +++ [pid 10832] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10817] <... futex resumed>) = 0 [pid 10832] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10817] <... futex resumed>) = 0 [pid 10832] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10817] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10832] <... bpf resumed>) = 0 [pid 10816] +++ exited with 0 +++ [pid 10830] ioctl(3, LOOP_CLR_FD [pid 10813] +++ exited with 0 +++ [pid 10832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10813, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10832] <... futex resumed>) = 1 [pid 10817] <... futex resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 10832] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10817] <... futex resumed>) = 0 [pid 10832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10817] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... restart_syscall resumed>) = 0 [pid 10821] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10821] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10821] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 10832] <... bpf resumed>) = 6 [pid 10821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 10832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10832] <... futex resumed>) = 1 [pid 10821] <... mmap resumed>) = 0x7fb926217000 [pid 10817] <... futex resumed>) = 0 [pid 298] close(3 [pid 10832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10821] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10817] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 10821] <... mprotect resumed>) = 0 [pid 10817] <... futex resumed>) = 0 [pid 10821] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10817] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10821] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10833]}, 88) = 10833 [pid 10821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10821] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10821] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10833 attached [pid 10833] set_robust_list(0x7fb9262379a0, 24 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10833] <... set_robust_list resumed>) = 0 [pid 10833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10833] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10834 [pid 10833] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 10834 attached [pid 10833] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10833] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10834] set_robust_list(0x5555555916a0, 24 [pid 10821] <... futex resumed>) = 0 [pid 10834] <... set_robust_list resumed>) = 0 [pid 10821] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10834] setpgid(0, 0) = 0 [pid 10833] <... futex resumed>) = 0 [pid 10821] <... futex resumed>) = 1 [pid 10834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10833] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10821] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10834] <... openat resumed>) = 3 [pid 10833] <... bpf resumed>) = 0 [pid 10834] write(3, "1000", 4 [pid 10833] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10833] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10821] <... futex resumed>) = 0 [pid 10834] <... write resumed>) = 4 [pid 10821] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10834] close(3 [pid 10833] <... futex resumed>) = 0 [pid 10821] <... futex resumed>) = 1 [pid 10834] <... close resumed>) = 0 [pid 10834] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10834] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10821] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10834] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10833] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10834] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10833] <... bpf resumed>) = 6 [pid 10833] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10835 attached [pid 10834] <... clone3 resumed> => {parent_tid=[10835]}, 88) = 10835 [pid 10834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10834] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10834] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10833] <... futex resumed>) = 1 [pid 10835] set_robust_list(0x7fb9262589a0, 24 [pid 10833] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10821] <... futex resumed>) = 0 [pid 10835] <... set_robust_list resumed>) = 0 [pid 10835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10821] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] memfd_create("syzkaller", 0 [pid 10833] <... futex resumed>) = 0 [pid 10821] <... futex resumed>) = 1 [pid 10835] <... memfd_create resumed>) = 3 [pid 10833] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10821] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10835] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10835] munmap(0x7fb91de38000, 138412032) = 0 [pid 10835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10835] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10832] <... bpf resumed>) = 7 [pid 10833] <... bpf resumed>) = 7 [pid 10833] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10821] <... futex resumed>) = 0 [pid 10833] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10821] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] close(3 [pid 10832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10821] <... futex resumed>) = 0 [pid 10832] <... futex resumed>) = 1 [pid 10835] <... close resumed>) = 0 [pid 10835] close(4 [pid 10832] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10835] <... close resumed>) = 0 [pid 10833] <... bpf resumed>) = 8 [pid 10821] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10817] <... futex resumed>) = 0 [pid 10817] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10817] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10833] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10821] <... futex resumed>) = 0 [pid 10821] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10821] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10833] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 10833] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10821] <... futex resumed>) = 0 [pid 10833] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10832] <... futex resumed>) = 0 [pid 10832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10835] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 153.308664][T10830] loop0: detected capacity change from 0 to 256 [ 153.317281][T10830] exfat: Bad value for 'uid' [ 153.346310][T10835] loop2: detected capacity change from 0 to 256 [pid 10835] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10832] <... bpf resumed>) = 8 [pid 10832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10832] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] <... futex resumed>) = 0 [pid 10817] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10817] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10832] <... futex resumed>) = 0 [pid 10835] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10832] <... bpf resumed>) = 9 [pid 10832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10817] <... futex resumed>) = 0 [pid 10835] <... openat resumed>) = 3 [pid 10832] <... futex resumed>) = 1 [pid 10832] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10835] ioctl(3, LOOP_CLR_FD [pid 10820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10820] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10820] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10835] <... ioctl resumed>) = 0 [pid 10830] <... ioctl resumed>) = 0 [pid 10820] <... mprotect resumed>) = 0 [pid 10819] <... sendmsg resumed>) = 64 [pid 10830] close(3 [pid 10820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10819] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] close(3 [pid 10830] <... close resumed>) = 0 [pid 10820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10819] <... futex resumed>) = 0 [pid 10830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10819] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10817] exit_group(0 [pid 10830] <... futex resumed>) = 1 [pid 10829] <... futex resumed>) = 0 [pid 10819] <... futex resumed>) = ? [pid 10817] <... exit_group resumed>) = ? [pid 10830] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10829] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10820] <... clone3 resumed> => {parent_tid=[10836]}, 88) = 10836 [pid 10819] +++ exited with 0 +++ [pid 10832] <... futex resumed>) = ? [pid 10830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10829] <... futex resumed>) = 0 [pid 10820] rt_sigprocmask(SIG_SETMASK, [], [pid 10830] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10829] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10830] <... socket resumed>) = 3 [pid 10820] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10829] <... futex resumed>) = 0 [pid 10820] <... futex resumed>) = 0 [pid 10830] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10829] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10820] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10836 attached [pid 10835] <... close resumed>) = 0 [pid 10830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10829] <... futex resumed>) = 0 [pid 10836] set_robust_list(0x7fb9262379a0, 24 [pid 10835] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10829] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10836] <... set_robust_list resumed>) = 0 [pid 10835] <... futex resumed>) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10830] <... socket resumed>) = 4 [pid 10836] rt_sigprocmask(SIG_SETMASK, [], [pid 10835] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10834] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10834] <... futex resumed>) = 0 [pid 10830] <... futex resumed>) = 1 [pid 10829] <... futex resumed>) = 0 [pid 10836] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10835] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10834] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10830] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10829] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] <... socket resumed>) = 3 [pid 10830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10829] <... futex resumed>) = 0 [pid 10836] <... bpf resumed>) = 5 [pid 10835] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10829] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10836] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] <... futex resumed>) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10834] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10830] <... sendto resumed>) = 32 [pid 10835] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10834] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10830] recvfrom(4, [pid 10836] <... futex resumed>) = 1 [pid 10830] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10829}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10820] <... futex resumed>) = 0 [pid 10836] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10835] <... socket resumed>) = 4 [pid 10830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10835] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] <... futex resumed>) = 1 [pid 10829] <... futex resumed>) = 0 [pid 10820] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10836] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10835] <... futex resumed>) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10830] getsockname(4, [pid 10829] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10820] <... futex resumed>) = 0 [pid 10836] <... bpf resumed>) = 0 [pid 10835] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10834] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10832] +++ exited with 0 +++ [pid 10830] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10829, nl_groups=00000000}, [116 => 12]) = 0 [pid 10829] <... futex resumed>) = 0 [pid 10820] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10817] +++ exited with 0 +++ [pid 10836] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] <... sendto resumed>) = 32 [pid 10834] <... futex resumed>) = 0 [pid 10830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10829] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10836] <... futex resumed>) = 0 [pid 10835] recvfrom(4, [pid 10834] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10830] <... futex resumed>) = 0 [pid 10829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10820] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10836] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10835] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10834}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10830] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10829] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10829] <... futex resumed>) = 0 [pid 10820] <... futex resumed>) = 0 [pid 10836] <... bpf resumed>) = 6 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10817, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 10836] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] <... futex resumed>) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10830] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4d\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10829] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10820] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 10836] <... futex resumed>) = 0 [pid 10835] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10834] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10836] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10834] <... futex resumed>) = 0 [pid 10820] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... restart_syscall resumed>) = 0 [pid 10835] getsockname(4, [pid 10834] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10820] <... futex resumed>) = 0 [pid 10836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10835] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10834, nl_groups=00000000}, [116 => 12]) = 0 [pid 10820] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10836] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10835] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10835] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10834] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10836] <... bpf resumed>) = 7 [pid 10834] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10836] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10835] <... futex resumed>) = 0 [pid 10834] <... futex resumed>) = 1 [pid 299] <... openat resumed>) = 3 [pid 10836] <... futex resumed>) = 1 [pid 10835] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x52\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10834] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10820] <... futex resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 10836] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10820] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10820] <... futex resumed>) = 0 [pid 10836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10820] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] close(3) = 0 [ 153.357290][T10835] exfat: Bad value for 'uid' [pid 10836] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10838 ./strace-static-x86_64: Process 10838 attached [pid 10838] set_robust_list(0x5555555916a0, 24) = 0 [pid 10838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10838] setpgid(0, 0) = 0 [pid 10838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10836] <... bpf resumed>) = 8 [pid 10838] <... openat resumed>) = 3 [pid 10836] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10820] <... futex resumed>) = 0 [pid 10820] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10820] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10838] write(3, "1000", 4) = 4 [pid 10838] close(3) = 0 [pid 10838] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10838] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10836] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 10838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10836] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10836] <... futex resumed>) = 1 [pid 10820] <... futex resumed>) = 0 [pid 10836] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10838] <... mmap resumed>) = 0x7fb926238000 [pid 10838] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10840 attached => {parent_tid=[10840]}, 88) = 10840 [pid 10838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10840] set_robust_list(0x7fb9262589a0, 24 [pid 10838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10840] <... set_robust_list resumed>) = 0 [pid 10840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10840] memfd_create("syzkaller", 0) = 3 [pid 10840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10840] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10840] munmap(0x7fb91de38000, 138412032 [pid 10823] <... sendmsg resumed>) = 64 [pid 10823] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10821] exit_group(0 [pid 10833] <... futex resumed>) = ? [pid 10823] <... futex resumed>) = ? [pid 10821] <... exit_group resumed>) = ? [pid 10840] <... munmap resumed>) = 0 [pid 10833] +++ exited with 0 +++ [pid 10823] +++ exited with 0 +++ [pid 10840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 10840] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10840] close(3) = 0 [pid 10822] <... sendmsg resumed>) = 64 [pid 10840] close(4) = 0 [pid 10822] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10840] mkdir("./file0", 0777 [pid 10822] <... futex resumed>) = 0 [pid 10820] exit_group(0 [pid 10840] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10820] <... exit_group resumed>) = ? [pid 10840] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10822] +++ exited with 0 +++ [pid 10836] <... futex resumed>) = ? [pid 10840] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10840] ioctl(3, LOOP_CLR_FD [pid 10829] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10829] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10829] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10829] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10834] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 10841 attached [pid 10834] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10841] set_robust_list(0x7fb9262379a0, 24 [pid 10834] <... futex resumed>) = 0 [pid 10829] <... clone3 resumed> => {parent_tid=[10841]}, 88) = 10841 [pid 10834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10841] <... set_robust_list resumed>) = 0 [pid 10841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10841] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10829] rt_sigprocmask(SIG_SETMASK, [], [pid 10834] <... mmap resumed>) = 0x7fb926217000 [pid 10829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10834] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10829] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10841] <... futex resumed>) = 0 [pid 10829] <... futex resumed>) = 1 [pid 10841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10829] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10841] <... bpf resumed>) = 5 [pid 10834] <... mprotect resumed>) = 0 [pid 10841] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10834] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10841] <... futex resumed>) = 1 [pid 10834] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10829] <... futex resumed>) = 0 [pid 10841] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10829] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10841] <... bpf resumed>) = 0 [pid 10829] <... futex resumed>) = 0 [pid 10841] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10834] <... clone3 resumed> => {parent_tid=[10842]}, 88) = 10842 [pid 10829] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10842 attached [pid 10841] <... futex resumed>) = 0 [pid 10829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10834] rt_sigprocmask(SIG_SETMASK, [], [pid 10829] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10842] set_robust_list(0x7fb9262379a0, 24 [pid 10834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10829] <... futex resumed>) = 0 [pid 10842] <... set_robust_list resumed>) = 0 [pid 10834] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10829] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10842] rt_sigprocmask(SIG_SETMASK, [], [pid 10841] <... bpf resumed>) = 6 [pid 10834] <... futex resumed>) = 0 [pid 10841] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10834] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10842] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10841] <... futex resumed>) = 1 [pid 10829] <... futex resumed>) = 0 [pid 10842] <... bpf resumed>) = 5 [pid 10841] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10829] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10829] <... futex resumed>) = 0 [pid 10829] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10842] <... futex resumed>) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10834] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10842] <... futex resumed>) = 0 [pid 10834] <... futex resumed>) = 1 [pid 10842] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10834] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10842] <... bpf resumed>) = 0 [pid 10842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10842] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10834] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10834] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10842] <... bpf resumed>) = 6 [pid 10842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10834] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10834] <... futex resumed>) = 0 [pid 10842] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10834] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10821] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10821, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 10836] +++ exited with 0 +++ [pid 10820] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10820, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10843 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10844 ./strace-static-x86_64: Process 10844 attached [pid 10844] set_robust_list(0x5555555916a0, 24) = 0 [pid 10844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10844] setpgid(0, 0) = 0 [pid 10844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10844] write(3, "1000", 4) = 4 [pid 10844] close(3) = 0 [pid 10844] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10844] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10840] <... ioctl resumed>) = 0 [pid 10830] <... sendmsg resumed>) = 64 [pid 10840] close(3 [pid 10830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10840] <... close resumed>) = 0 [pid 10830] <... futex resumed>) = 0 [pid 10840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10840] <... futex resumed>) = 1 [pid 10838] <... futex resumed>) = 0 [pid 10840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10840] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10838] <... futex resumed>) = 0 [pid 10840] <... socket resumed>) = 3 [pid 10840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10840] <... futex resumed>) = 0 [pid 10844] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10844] <... mprotect resumed>) = 0 [pid 10838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10840] <... futex resumed>) = 0 [pid 10838] <... futex resumed>) = 1 [pid 10844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10840] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10840] <... socket resumed>) = 4 [pid 10840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10844] <... clone3 resumed> => {parent_tid=[10845]}, 88) = 10845 [pid 10840] <... futex resumed>) = 0 [pid 10838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] rt_sigprocmask(SIG_SETMASK, [], [pid 10840] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10838] <... futex resumed>) = 0 [pid 10844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10840] <... sendto resumed>) = 32 [pid 10838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10843 attached [pid 10844] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10840] recvfrom(4, [pid 10844] <... futex resumed>) = 0 [pid 10843] set_robust_list(0x5555555916a0, 24 [pid 10840] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10838}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10844] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10843] <... set_robust_list resumed>) = 0 [pid 10840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10838] <... futex resumed>) = 0 [pid 10843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10843] <... prctl resumed>) = 0 [pid 10840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10843] setpgid(0, 0 [pid 10840] getsockname(4, [pid 10843] <... setpgid resumed>) = 0 [pid 10840] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10838, nl_groups=00000000}, [116 => 12]) = 0 [pid 10838] <... futex resumed>) = 0 [pid 10843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10840] <... futex resumed>) = 0 [pid 10842] <... bpf resumed>) = 7 [pid 10841] <... bpf resumed>) = 7 [pid 10843] <... openat resumed>) = 3 [pid 10840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10843] write(3, "1000", 4 [pid 10842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10841] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10834] <... futex resumed>) = 0 [pid 10841] <... futex resumed>) = 1 [pid 10829] <... futex resumed>) = 0 [pid 10842] <... futex resumed>) = 1 [pid 10841] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10840] <... futex resumed>) = 0 [pid 10843] <... write resumed>) = 4 [pid 10838] <... futex resumed>) = 1 [pid 10834] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10829] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10843] close(3 [pid 10842] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10840] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x56\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10834] <... futex resumed>) = 0 [pid 10830] <... futex resumed>) = 0 [pid 10829] <... futex resumed>) = 1 [pid 10843] <... close resumed>) = 0 ./strace-static-x86_64: Process 10845 attached [pid 10834] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10830] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10829] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10845] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10830] <... bpf resumed>) = 8 [pid 10830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10829] <... futex resumed>) = 0 [pid 10830] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10829] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10829] <... futex resumed>) = 0 [pid 10843] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10842] <... bpf resumed>) = 8 [pid 10830] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [ 153.420046][T10840] loop3: detected capacity change from 0 to 256 [ 153.429618][T10840] exfat: Bad value for 'uid' [pid 10829] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10845] memfd_create("syzkaller", 0 [pid 10843] <... futex resumed>) = 0 [pid 10842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] <... bpf resumed>) = 9 [pid 10845] <... memfd_create resumed>) = 3 [pid 10843] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10842] <... futex resumed>) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10843] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10842] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10834] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] <... futex resumed>) = 1 [pid 10829] <... futex resumed>) = 0 [pid 10843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10834] <... futex resumed>) = 0 [pid 10830] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10834] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10829] exit_group(0 [pid 10845] <... mmap resumed>) = 0x7fb91de38000 [pid 10841] <... futex resumed>) = ? [pid 10830] <... futex resumed>) = ? [pid 10829] <... exit_group resumed>) = ? [pid 10843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10842] <... bpf resumed>) = 9 [pid 10845] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10830] +++ exited with 0 +++ [pid 10843] <... mmap resumed>) = 0x7fb926238000 [pid 10842] <... futex resumed>) = 1 [pid 10834] <... futex resumed>) = 0 [pid 10843] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10845] <... write resumed>) = 131072 [pid 10843] <... mprotect resumed>) = 0 [pid 10843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10845] munmap(0x7fb91de38000, 138412032) = 0 ./strace-static-x86_64: Process 10847 attached [pid 10845] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10847] set_robust_list(0x7fb9262589a0, 24 [pid 10845] <... openat resumed>) = 4 [pid 10843] <... clone3 resumed> => {parent_tid=[10847]}, 88) = 10847 [pid 10847] <... set_robust_list resumed>) = 0 [pid 10845] ioctl(4, LOOP_SET_FD, 3 [pid 10843] rt_sigprocmask(SIG_SETMASK, [], [pid 10847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10845] <... ioctl resumed>) = 0 [pid 10845] close(3) = 0 [pid 10845] close(4) = 0 [pid 10845] mkdir("./file0", 0777 [pid 10843] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10845] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10845] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10843] <... futex resumed>) = 0 [pid 10845] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10845] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10843] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10845] <... openat resumed>) = 3 [pid 10845] ioctl(3, LOOP_CLR_FD [pid 10847] memfd_create("syzkaller", 0) = 3 [pid 10847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10835] <... sendmsg resumed>) = 64 [pid 10835] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10834] exit_group(0 [pid 10842] <... futex resumed>) = ? [pid 10835] <... futex resumed>) = ? [pid 10834] <... exit_group resumed>) = ? [pid 10847] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10842] +++ exited with 0 +++ [pid 10835] +++ exited with 0 +++ [pid 10847] <... write resumed>) = 131072 [pid 10847] munmap(0x7fb91de38000, 138412032) = 0 [pid 10847] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10847] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10847] close(3) = 0 [pid 10847] close(4) = 0 [pid 10847] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10847] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10847] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10847] ioctl(3, LOOP_CLR_FD [pid 10841] +++ exited with 0 +++ [pid 10829] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10829, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 10834] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10834, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 10838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 298] <... restart_syscall resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10848 [pid 10838] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 10848 attached [pid 10838] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 10838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 10838] <... mmap resumed>) = 0x7fb926217000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10838] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 294] close(3 [pid 10838] <... mprotect resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 10838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10849 [pid 10838] <... clone3 resumed> => {parent_tid=[10850]}, 88) = 10850 [pid 10838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10848] set_robust_list(0x5555555916a0, 24 [pid 10838] <... futex resumed>) = 0 [pid 10848] <... set_robust_list resumed>) = 0 [pid 10838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10848] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 10850 attached ./strace-static-x86_64: Process 10849 attached ) = 0 [pid 10850] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10850] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10850] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10838] <... futex resumed>) = 0 [pid 10850] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10850] <... bpf resumed>) = 0 [pid 10838] <... futex resumed>) = 0 [pid 10850] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10850] <... futex resumed>) = 0 [pid 10838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10850] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10850] <... bpf resumed>) = 6 [pid 10849] set_robust_list(0x5555555916a0, 24 [pid 10848] setpgid(0, 0 [pid 10838] <... futex resumed>) = 0 [pid 10850] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10850] <... futex resumed>) = 0 [pid 10838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10850] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10848] <... setpgid resumed>) = 0 [pid 10838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10849] <... set_robust_list resumed>) = 0 [pid 10849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10849] setpgid(0, 0) = 0 [pid 10849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10849] write(3, "1000", 4) = 4 [pid 10848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10849] close(3) = 0 [pid 10849] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10849] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10848] <... openat resumed>) = 3 [pid 10849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10849] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10851]}, 88) = 10851 [pid 10849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10849] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10849] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10851 attached [pid 10848] write(3, "1000", 4 [pid 10851] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10851] memfd_create("syzkaller", 0) = 3 [pid 10848] <... write resumed>) = 4 [pid 10851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10848] close(3) = 0 [pid 10848] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10848] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10848] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10848] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10851] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10848] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10852]}, 88) = 10852 [pid 10848] rt_sigprocmask(SIG_SETMASK, [], [pid 10851] <... write resumed>) = 131072 [pid 10851] munmap(0x7fb91de38000, 138412032./strace-static-x86_64: Process 10852 attached [pid 10848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10852] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10852] rt_sigprocmask(SIG_SETMASK, [], [pid 10851] <... munmap resumed>) = 0 [pid 10852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10852] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10848] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10848] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10847] <... ioctl resumed>) = 0 [pid 10845] <... ioctl resumed>) = 0 [pid 10851] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10850] <... bpf resumed>) = 7 [pid 10847] close(3 [pid 10851] <... openat resumed>) = 4 [pid 10847] <... close resumed>) = 0 [pid 10845] close(3 [pid 10851] ioctl(4, LOOP_SET_FD, 3 [pid 10850] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10847] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10843] <... futex resumed>) = 0 [pid 10847] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10843] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10843] <... futex resumed>) = 0 [pid 10847] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10843] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10847] <... socket resumed>) = 3 [pid 10847] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10843] <... futex resumed>) = 0 [ 153.488089][T10845] loop4: detected capacity change from 0 to 256 [ 153.497482][T10845] exfat: Bad value for 'uid' [ 153.510908][T10847] loop1: detected capacity change from 0 to 256 [ 153.518645][T10847] exfat: Bad value for 'uid' [pid 10850] <... futex resumed>) = 1 [pid 10847] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10843] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] <... futex resumed>) = 0 [pid 10847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10843] <... futex resumed>) = 0 [pid 10847] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10843] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10847] <... socket resumed>) = 4 [pid 10847] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10843] <... futex resumed>) = 0 [pid 10847] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10843] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10843] <... futex resumed>) = 0 [pid 10847] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10843] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10847] <... sendto resumed>) = 32 [pid 10847] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10843}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10847] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10843] <... futex resumed>) = 0 [pid 10847] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10843] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10843] <... futex resumed>) = 0 [pid 10847] getsockname(4, [pid 10843] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10847] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10843, nl_groups=00000000}, [116 => 12]) = 0 [pid 10852] <... futex resumed>) = 0 [pid 10847] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] memfd_create("syzkaller", 0 [pid 10847] <... futex resumed>) = 1 [pid 10843] <... futex resumed>) = 0 [pid 10852] <... memfd_create resumed>) = 3 [pid 10847] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10843] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10843] <... futex resumed>) = 0 [pid 10852] <... mmap resumed>) = 0x7fb91de38000 [pid 10847] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5b\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10843] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10852] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10852] munmap(0x7fb91de38000, 138412032) = 0 [pid 10852] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10852] ioctl(4, LOOP_SET_FD, 3 [pid 10851] <... ioctl resumed>) = 0 [pid 10850] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10845] <... close resumed>) = 0 [pid 10838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10850] <... bpf resumed>) = 8 [pid 10845] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] <... futex resumed>) = 0 [pid 10850] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10845] <... futex resumed>) = 1 [pid 10844] <... futex resumed>) = 0 [pid 10838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10851] close(3 [pid 10850] <... futex resumed>) = 0 [pid 10845] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10844] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10851] <... close resumed>) = 0 [pid 10850] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10844] <... futex resumed>) = 0 [pid 10838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10851] close(4 [pid 10850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10845] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10844] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10838] <... futex resumed>) = 0 [pid 10852] <... ioctl resumed>) = 0 [pid 10852] close(3) = 0 [pid 10852] close(4) = 0 [pid 10838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10845] <... socket resumed>) = 3 [pid 10850] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10845] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10850] <... bpf resumed>) = 9 [pid 10845] <... futex resumed>) = 1 [pid 10844] <... futex resumed>) = 0 [pid 10850] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10845] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10844] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] mkdir("./file0", 0777 [pid 10844] <... futex resumed>) = 0 [pid 10845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10844] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10850] <... futex resumed>) = 1 [pid 10845] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10838] <... futex resumed>) = 0 [pid 10852] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10845] <... socket resumed>) = 4 [pid 10850] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10845] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10845] <... futex resumed>) = 1 [pid 10844] <... futex resumed>) = 0 [pid 10845] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10844] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10844] <... futex resumed>) = 0 [pid 10845] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10844] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10845] <... sendto resumed>) = 32 [pid 10851] <... close resumed>) = 0 [pid 10845] recvfrom(4, [pid 10840] <... sendmsg resumed>) = 64 [pid 10840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10845] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10844}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10852] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10851] mkdir("./file0", 0777 [pid 10845] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10838] exit_group(0 [pid 10851] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10850] <... futex resumed>) = ? [pid 10845] <... futex resumed>) = 1 [pid 10844] <... futex resumed>) = 0 [pid 10840] <... futex resumed>) = ? [pid 10838] <... exit_group resumed>) = ? [pid 10852] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10851] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10850] +++ exited with 0 +++ [pid 10845] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10844] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10840] +++ exited with 0 +++ [pid 10852] <... openat resumed>) = 3 [pid 10838] +++ exited with 0 +++ [pid 10852] ioctl(3, LOOP_CLR_FD [pid 10844] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10838, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10845] getsockname(4, [pid 10844] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10845] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10844, nl_groups=00000000}, [116 => 12]) = 0 [pid 10845] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10844] <... futex resumed>) = 0 [pid 10845] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10844] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10844] <... futex resumed>) = 0 [pid 10845] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5c\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10844] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10856 ./strace-static-x86_64: Process 10856 attached [pid 10851] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 10851] ioctl(3, LOOP_CLR_FD [pid 10856] set_robust_list(0x5555555916a0, 24) = 0 [pid 10856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10856] setpgid(0, 0) = 0 [pid 10856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10856] write(3, "1000", 4) = 4 [pid 10856] close(3) = 0 [pid 10856] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10856] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10856] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10857]}, 88) = 10857 [pid 10856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10856] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10856] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10857 attached [pid 10857] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10857] memfd_create("syzkaller", 0) = 3 [pid 10857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10857] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10857] munmap(0x7fb91de38000, 138412032) = 0 [pid 10857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 153.552235][T10851] loop0: detected capacity change from 0 to 256 [ 153.557845][T10852] loop2: detected capacity change from 0 to 256 [ 153.572663][T10852] exfat: Bad value for 'uid' [ 153.584053][T10851] exfat: Bad value for 'uid' [pid 10857] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10857] close(3) = 0 [pid 10857] close(4) = 0 [pid 10857] mkdir("./file0", 0777 [pid 10843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10843] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10843] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10857] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10843] <... mprotect resumed>) = 0 [pid 10857] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10858]}, 88) = 10858 [pid 10843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10843] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10843] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10858 attached [pid 10858] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10858] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10858] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10843] <... futex resumed>) = 0 [pid 10843] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10843] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10858] <... futex resumed>) = 1 [pid 10858] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10858] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10843] <... futex resumed>) = 0 [pid 10843] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10843] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10858] <... futex resumed>) = 1 [pid 10858] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10858] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10843] <... futex resumed>) = 0 [pid 10843] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10843] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10858] <... futex resumed>) = 1 [pid 10858] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10858] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10857] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10857] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10843] <... futex resumed>) = 0 [pid 10843] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10843] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10857] <... openat resumed>) = 3 [pid 10858] <... futex resumed>) = 1 [pid 10857] ioctl(3, LOOP_CLR_FD [pid 10858] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10858] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10843] <... futex resumed>) = 0 [pid 10858] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10843] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10858] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10843] <... futex resumed>) = 0 [pid 10843] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10858] <... bpf resumed>) = 9 [pid 10858] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10858] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10843] <... futex resumed>) = 0 [pid 10851] <... ioctl resumed>) = 0 [pid 10852] <... ioctl resumed>) = 0 [pid 10852] close(3 [pid 10851] close(3 [pid 10852] <... close resumed>) = 0 [pid 10852] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10852] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10848] <... futex resumed>) = 0 [pid 10851] <... close resumed>) = 0 [pid 10848] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] <... futex resumed>) = 0 [pid 10848] <... futex resumed>) = 1 [pid 10851] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10851] <... futex resumed>) = 1 [pid 10849] <... futex resumed>) = 0 [pid 10848] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10852] <... socket resumed>) = 3 [pid 10851] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10849] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10852] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10849] <... futex resumed>) = 0 [pid 10844] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] <... futex resumed>) = 1 [pid 10851] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10849] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10848] <... futex resumed>) = 0 [pid 10844] <... futex resumed>) = 0 [pid 10852] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10851] <... socket resumed>) = 3 [pid 10848] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10851] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10848] <... futex resumed>) = 0 [pid 10844] <... mmap resumed>) = 0x7fb926217000 [pid 10857] <... ioctl resumed>) = 0 [pid 10852] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10851] <... futex resumed>) = 1 [pid 10849] <... futex resumed>) = 0 [pid 10848] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10844] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10857] close(3 [pid 10852] <... socket resumed>) = 4 [pid 10851] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10849] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] <... mprotect resumed>) = 0 [pid 10857] <... close resumed>) = 0 [pid 10852] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10849] <... futex resumed>) = 0 [pid 10844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10857] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] <... futex resumed>) = 1 [pid 10851] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10849] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10848] <... futex resumed>) = 0 [pid 10844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10857] <... futex resumed>) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10852] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10851] <... socket resumed>) = 4 [pid 10848] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10857] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10856] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10851] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10848] <... futex resumed>) = 0 [pid 10857] <... socket resumed>) = 3 [pid 10856] <... futex resumed>) = 0 [pid 10852] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10851] <... futex resumed>) = 1 [pid 10849] <... futex resumed>) = 0 [pid 10848] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10844] <... clone3 resumed> => {parent_tid=[10859]}, 88) = 10859 [pid 10857] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10856] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10852] <... sendto resumed>) = 32 [pid 10851] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10849] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] rt_sigprocmask(SIG_SETMASK, [], [pid 10857] <... futex resumed>) = 0 [pid 10856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10852] recvfrom(4, [pid 10851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10849] <... futex resumed>) = 0 [pid 10844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10857] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10856] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10848}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10851] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10849] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10844] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10856] <... futex resumed>) = 0 [pid 10852] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10851] <... sendto resumed>) = 32 [pid 10844] <... futex resumed>) = 0 [pid 10857] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10856] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10852] <... futex resumed>) = 1 [pid 10851] recvfrom(4, [pid 10848] <... futex resumed>) = 0 [pid 10844] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10859 attached [pid 10857] <... socket resumed>) = 4 [pid 10852] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10851] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10849}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10848] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10859] set_robust_list(0x7fb9262379a0, 24 [pid 10857] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10851] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10848] <... futex resumed>) = 0 [pid 10859] <... set_robust_list resumed>) = 0 [pid 10857] <... futex resumed>) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10852] getsockname(4, [pid 10851] <... futex resumed>) = 1 [pid 10849] <... futex resumed>) = 0 [pid 10848] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10859] rt_sigprocmask(SIG_SETMASK, [], [pid 10857] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10856] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10848, nl_groups=00000000}, [116 => 12]) = 0 [pid 10851] getsockname(4, [pid 10849] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10856] <... futex resumed>) = 0 [pid 10852] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10851] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10849, nl_groups=00000000}, [116 => 12]) = 0 [pid 10849] <... futex resumed>) = 0 [pid 10859] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10857] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10856] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10852] <... futex resumed>) = 1 [pid 10851] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10849] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10848] <... futex resumed>) = 0 [pid 10859] <... bpf resumed>) = 5 [pid 10857] <... sendto resumed>) = 32 [pid 10852] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10851] <... futex resumed>) = 0 [pid 10849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10848] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10859] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10857] recvfrom(4, [pid 10852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10851] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x61\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10849] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10848] <... futex resumed>) = 0 [pid 10859] <... futex resumed>) = 1 [pid 10857] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10856}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10852] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x60\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10849] <... futex resumed>) = 0 [pid 10848] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10844] <... futex resumed>) = 0 [pid 10859] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10857] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10849] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10844] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10857] <... futex resumed>) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10844] <... futex resumed>) = 0 [pid 10859] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10857] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10856] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10859] <... bpf resumed>) = 0 [pid 10857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10856] <... futex resumed>) = 0 [pid 10859] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [ 153.597768][T10857] loop3: detected capacity change from 0 to 256 [ 153.608442][T10857] exfat: Bad value for 'uid' [pid 10857] getsockname(4, [pid 10856] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10859] <... futex resumed>) = 1 [pid 10857] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10856, nl_groups=00000000}, [116 => 12]) = 0 [pid 10844] <... futex resumed>) = 0 [pid 10859] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10857] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10857] <... futex resumed>) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10844] <... futex resumed>) = 0 [pid 10859] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10857] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10856] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10856] <... futex resumed>) = 0 [pid 10859] <... bpf resumed>) = 6 [pid 10857] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x68\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10856] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10859] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10844] <... futex resumed>) = 0 [pid 10859] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10844] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10859] <... bpf resumed>) = 7 [pid 10844] <... futex resumed>) = 0 [pid 10859] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10859] <... futex resumed>) = 0 [pid 10844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10859] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10844] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10844] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10859] <... bpf resumed>) = 8 [pid 10859] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10844] <... futex resumed>) = 0 [pid 10859] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10844] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10859] <... bpf resumed>) = 9 [pid 10844] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10859] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10844] <... futex resumed>) = 0 [pid 10859] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10847] <... sendmsg resumed>) = 64 [pid 10847] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10843] exit_group(0 [pid 10858] <... futex resumed>) = ? [pid 10843] <... exit_group resumed>) = ? [pid 10858] +++ exited with 0 +++ [pid 10847] +++ exited with 0 +++ [pid 10848] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10848] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10849] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10848] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10849] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10848] <... mprotect resumed>) = 0 [pid 10849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10849] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10848] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10849] <... mprotect resumed>) = 0 [pid 10849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10848] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10863]}, 88) = 10863 [pid 10848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10863 attached [pid 10849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10849] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10849] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10848] <... clone3 resumed> => {parent_tid=[10864]}, 88) = 10864 ./strace-static-x86_64: Process 10864 attached [pid 10864] set_robust_list(0x7fb9262379a0, 24 [pid 10848] rt_sigprocmask(SIG_SETMASK, [], [pid 10864] <... set_robust_list resumed>) = 0 [pid 10848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10864] rt_sigprocmask(SIG_SETMASK, [], [pid 10863] set_robust_list(0x7fb9262379a0, 24 [pid 10848] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10864] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10863] <... set_robust_list resumed>) = 0 [pid 10848] <... futex resumed>) = 0 [pid 10864] <... bpf resumed>) = 5 [pid 10848] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10864] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10863] rt_sigprocmask(SIG_SETMASK, [], [pid 10848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10864] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10848] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10864] <... futex resumed>) = 0 [pid 10848] <... futex resumed>) = 1 [pid 10863] <... bpf resumed>) = 5 [pid 10863] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10849] <... futex resumed>) = 0 [pid 10849] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10856] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10849] <... futex resumed>) = 0 [pid 10848] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10856] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10849] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10856] <... futex resumed>) = 0 [pid 10863] <... futex resumed>) = 1 [pid 10856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10863] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10856] <... mmap resumed>) = 0x7fb926217000 [pid 10856] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10863] <... bpf resumed>) = 0 [pid 10856] <... mprotect resumed>) = 0 [pid 10863] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10863] <... futex resumed>) = 1 [pid 10856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10849] <... futex resumed>) = 0 [pid 10863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10849] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10864] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10849] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10865 attached [pid 10864] <... bpf resumed>) = 0 [pid 10863] <... bpf resumed>) = 6 [pid 10856] <... clone3 resumed> => {parent_tid=[10865]}, 88) = 10865 [pid 10849] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10865] set_robust_list(0x7fb9262379a0, 24 [pid 10863] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10856] rt_sigprocmask(SIG_SETMASK, [], [pid 10849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10865] <... set_robust_list resumed>) = 0 [pid 10863] <... futex resumed>) = 0 [pid 10856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10849] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10865] rt_sigprocmask(SIG_SETMASK, [], [pid 10863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10856] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10849] <... futex resumed>) = 0 [pid 10865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10856] <... futex resumed>) = 0 [pid 10849] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10865] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10856] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10865] <... bpf resumed>) = 5 [pid 10865] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10865] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10856] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10865] <... bpf resumed>) = 0 [pid 10856] <... futex resumed>) = 0 [pid 10856] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10865] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10865] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10856] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10856] <... futex resumed>) = 0 [pid 10865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10856] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10864] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10848] <... futex resumed>) = 0 [pid 10864] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10848] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10865] <... bpf resumed>) = 6 [pid 10848] <... futex resumed>) = 0 [pid 10848] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10865] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10865] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10856] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10856] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10864] <... bpf resumed>) = 6 [pid 10864] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10848] <... futex resumed>) = 0 [pid 10864] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10848] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10848] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10864] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10845] <... sendmsg resumed>) = 64 [pid 10845] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10845] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10844] exit_group(0 [pid 10859] <... futex resumed>) = ? [pid 10845] <... futex resumed>) = ? [pid 10844] <... exit_group resumed>) = ? [pid 10859] +++ exited with 0 +++ [pid 10845] +++ exited with 0 +++ [pid 10843] +++ exited with 0 +++ [pid 10865] <... bpf resumed>) = 7 [pid 10864] <... bpf resumed>) = 7 [pid 10863] <... bpf resumed>) = 7 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10843, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10865] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10864] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10863] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10844] +++ exited with 0 +++ [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 10865] <... futex resumed>) = 1 [pid 10864] <... futex resumed>) = 1 [pid 10863] <... futex resumed>) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10849] <... futex resumed>) = 0 [pid 10848] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10844, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] <... restart_syscall resumed>) = 0 [pid 10865] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10864] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10863] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10856] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10849] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10848] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10856] <... futex resumed>) = 0 [pid 10849] <... futex resumed>) = 0 [pid 10848] <... futex resumed>) = 0 [pid 10865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10864] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10856] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10849] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10848] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10865] <... bpf resumed>) = 8 [pid 10864] <... bpf resumed>) = 8 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10865] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10864] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10863] <... bpf resumed>) = 8 [pid 300] <... openat resumed>) = 3 [pid 10865] <... futex resumed>) = 1 [pid 10864] <... futex resumed>) = 1 [pid 10863] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10856] <... futex resumed>) = 0 [pid 10848] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 297] <... openat resumed>) = 3 [pid 10865] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10864] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10863] <... futex resumed>) = 1 [pid 10856] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10849] <... futex resumed>) = 0 [pid 10848] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10863] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10856] <... futex resumed>) = 0 [pid 10849] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10848] <... futex resumed>) = 0 [pid 300] close(3 [pid 297] ioctl(3, LOOP_CLR_FD [pid 10865] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10864] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10856] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10849] <... futex resumed>) = 0 [pid 10848] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] <... close resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10866 [pid 10863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10849] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10867 ./strace-static-x86_64: Process 10866 attached [pid 10866] set_robust_list(0x5555555916a0, 24) = 0 [pid 10866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10866] setpgid(0, 0) = 0 [pid 10866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10866] write(3, "1000", 4) = 4 [pid 10866] close(3) = 0 [pid 10866] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10866] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10866] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 10867 attached [pid 10867] set_robust_list(0x5555555916a0, 24) = 0 [pid 10866] <... mprotect resumed>) = 0 [pid 10866] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10866] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10868]}, 88) = 10868 [pid 10867] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 10868 attached [pid 10868] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10868] rt_sigprocmask(SIG_SETMASK, [], [pid 10867] setpgid(0, 0) = 0 [pid 10866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10868] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10866] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10866] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10868] <... futex resumed>) = 0 [pid 10868] memfd_create("syzkaller", 0) = 3 [pid 10867] <... openat resumed>) = 3 [pid 10868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10867] write(3, "1000", 4) = 4 [pid 10867] close(3) = 0 [pid 10867] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10867] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10864] <... bpf resumed>) = 9 [pid 10864] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10848] <... futex resumed>) = 0 [pid 10864] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10865] <... bpf resumed>) = 9 [pid 10863] <... bpf resumed>) = 9 [pid 10863] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10849] <... futex resumed>) = 0 [pid 10865] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10863] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10865] <... futex resumed>) = 1 [pid 10856] <... futex resumed>) = 0 [pid 10865] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10867] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10868] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10868] <... write resumed>) = 131072 [pid 10868] munmap(0x7fb91de38000, 138412032) = 0 [pid 10867] <... clone3 resumed> => {parent_tid=[10869]}, 88) = 10869 ./strace-static-x86_64: Process 10869 attached [pid 10869] set_robust_list(0x7fb9262589a0, 24 [pid 10867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10867] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10868] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10867] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10868] <... openat resumed>) = 4 [pid 10868] ioctl(4, LOOP_SET_FD, 3 [pid 10869] <... set_robust_list resumed>) = 0 [pid 10869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10869] memfd_create("syzkaller", 0) = 3 [pid 10869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10868] <... ioctl resumed>) = 0 [pid 10868] close(3 [pid 10869] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10868] <... close resumed>) = 0 [pid 10868] close(4 [pid 10869] <... write resumed>) = 131072 [pid 10868] <... close resumed>) = 0 [pid 10869] munmap(0x7fb91de38000, 138412032 [pid 10868] mkdir("./file0", 0777 [pid 10869] <... munmap resumed>) = 0 [pid 10868] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10869] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10868] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10869] <... openat resumed>) = 4 [pid 10868] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10852] <... sendmsg resumed>) = 64 [pid 10851] <... sendmsg resumed>) = 64 [pid 10869] ioctl(4, LOOP_SET_FD, 3 [pid 10868] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10851] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10852] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10849] exit_group(0 [pid 10863] <... futex resumed>) = ? [pid 10852] <... futex resumed>) = 0 [pid 10849] <... exit_group resumed>) = ? [pid 10863] +++ exited with 0 +++ [pid 10852] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10868] <... openat resumed>) = 3 [pid 10868] ioctl(3, LOOP_CLR_FD [pid 10851] <... futex resumed>) = ? [pid 10851] +++ exited with 0 +++ [pid 10849] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10849, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 10869] <... ioctl resumed>) = 0 [pid 10869] close(3) = 0 [pid 10848] exit_group(0 [pid 10869] close(4 [pid 10864] <... futex resumed>) = ? [pid 10852] <... futex resumed>) = ? [pid 10848] <... exit_group resumed>) = ? [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10869] <... close resumed>) = 0 [pid 10864] +++ exited with 0 +++ [pid 10852] +++ exited with 0 +++ [pid 10869] mkdir("./file0", 0777 [pid 294] <... openat resumed>) = 3 [pid 10869] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10869] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 10869] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... close resumed>) = 0 [pid 10869] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10869] ioctl(3, LOOP_CLR_FD [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10870 ./strace-static-x86_64: Process 10870 attached [pid 10870] set_robust_list(0x5555555916a0, 24) = 0 [pid 10870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10870] setpgid(0, 0) = 0 [pid 10870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10870] write(3, "1000", 4) = 4 [pid 10870] close(3) = 0 [pid 10870] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10870] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10870] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10871]}, 88) = 10871 [pid 10870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10848] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10848, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 10870] <... futex resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 10870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10871 attached [pid 10871] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10871] memfd_create("syzkaller", 0) = 3 [pid 10871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10872 [pid 10871] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10871] munmap(0x7fb91de38000, 138412032) = 0 [pid 10871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 153.785249][T10868] loop1: detected capacity change from 0 to 256 [ 153.797343][T10868] exfat: Bad value for 'uid' [ 153.803463][T10869] loop4: detected capacity change from 0 to 256 [ 153.813251][T10869] exfat: Bad value for 'uid' [pid 10871] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10872 attached [pid 10868] <... ioctl resumed>) = 0 [pid 10871] <... ioctl resumed>) = 0 [pid 10871] close(3) = 0 [pid 10871] close(4) = 0 [pid 10871] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10871] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10872] set_robust_list(0x5555555916a0, 24 [pid 10868] close(3) = 0 [pid 10868] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10868] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10872] <... set_robust_list resumed>) = 0 [pid 10866] <... futex resumed>) = 0 [pid 10866] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10872] setpgid(0, 0 [pid 10866] <... futex resumed>) = 1 [pid 10866] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10868] <... futex resumed>) = 0 [pid 10868] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10868] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10866] <... futex resumed>) = 0 [pid 10866] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10866] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10868] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 10868] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10866] <... futex resumed>) = 0 [pid 10868] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10866] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10866] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10868] <... sendto resumed>) = 32 [pid 10868] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10866}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10872] <... setpgid resumed>) = 0 [pid 10871] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10868] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10866] <... futex resumed>) = 0 [pid 10868] getsockname(4, [pid 10866] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10871] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10868] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10866, nl_groups=00000000}, [116 => 12]) = 0 [pid 10866] <... futex resumed>) = 0 [pid 10868] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10866] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10872] <... openat resumed>) = 3 [pid 10871] <... openat resumed>) = 3 [pid 10868] <... futex resumed>) = 0 [pid 10866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10872] write(3, "1000", 4 [pid 10871] ioctl(3, LOOP_CLR_FD [pid 10868] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x72\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10866] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] <... write resumed>) = 4 [pid 10866] <... futex resumed>) = 0 [pid 10872] close(3 [pid 10866] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10872] <... close resumed>) = 0 [pid 10872] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10872] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10869] <... ioctl resumed>) = 0 [pid 10872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10869] close(3 [pid 10872] <... mmap resumed>) = 0x7fb926238000 [pid 10869] <... close resumed>) = 0 [pid 10872] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10869] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] <... mprotect resumed>) = 0 [pid 10869] <... futex resumed>) = 1 [pid 10872] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10867] <... futex resumed>) = 0 [pid 10872] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10869] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10867] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10867] <... futex resumed>) = 0 [pid 10872] <... clone3 resumed> => {parent_tid=[10874]}, 88) = 10874 [pid 10869] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10867] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10872] rt_sigprocmask(SIG_SETMASK, [], [pid 10869] <... socket resumed>) = 3 [pid 10872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10869] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10869] <... futex resumed>) = 1 [pid 10867] <... futex resumed>) = 0 [pid 10872] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10874 attached [pid 10872] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10869] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10867] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10874] set_robust_list(0x7fb9262589a0, 24 [pid 10869] <... socket resumed>) = 4 [pid 10867] <... futex resumed>) = 0 [pid 10874] <... set_robust_list resumed>) = 0 [pid 10869] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10867] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10874] rt_sigprocmask(SIG_SETMASK, [], [pid 10869] <... futex resumed>) = 0 [pid 10867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10869] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10867] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10874] memfd_create("syzkaller", 0 [pid 10869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10867] <... futex resumed>) = 0 [pid 10874] <... memfd_create resumed>) = 3 [pid 10869] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10867] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10874] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10857] <... sendmsg resumed>) = 64 [pid 10871] <... ioctl resumed>) = 0 [pid 10874] munmap(0x7fb91de38000, 138412032 [pid 10857] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10871] close(3 [pid 10874] <... munmap resumed>) = 0 [pid 10856] exit_group(0 [pid 10865] <... futex resumed>) = ? [pid 10856] <... exit_group resumed>) = ? [pid 10874] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10865] +++ exited with 0 +++ [pid 10874] <... openat resumed>) = 4 [pid 10874] ioctl(4, LOOP_SET_FD, 3 [pid 10857] <... futex resumed>) = ? [pid 10871] <... close resumed>) = 0 [pid 10874] <... ioctl resumed>) = 0 [pid 10874] close(3) = 0 [pid 10874] close(4) = 0 [pid 10874] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10874] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10871] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10871] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10870] <... futex resumed>) = 0 [pid 10871] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10871] <... socket resumed>) = 3 [pid 10871] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10871] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10870] <... futex resumed>) = 0 [pid 10871] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10857] +++ exited with 0 +++ [pid 10856] +++ exited with 0 +++ [pid 10874] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10871] <... socket resumed>) = 4 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10871] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10875 [pid 10871] <... futex resumed>) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10871] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10874] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10869] <... sendto resumed>) = 32 [pid 10874] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10875 attached [pid 10871] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10870] <... futex resumed>) = 0 [pid 10869] recvfrom(4, [pid 10871] <... sendto resumed>) = 32 [pid 10870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10869] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10867}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10871] recvfrom(4, [pid 10869] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10871] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10870}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10869] <... futex resumed>) = 1 [pid 10867] <... futex resumed>) = 0 [pid 10871] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10869] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10867] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10870] <... futex resumed>) = 0 [pid 10871] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10867] <... futex resumed>) = 0 [pid 10871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10870] <... futex resumed>) = 0 [pid 10869] getsockname(4, [pid 10867] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10871] getsockname(4, [pid 10870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10869] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10867, nl_groups=00000000}, [116 => 12]) = 0 [pid 10871] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10870, nl_groups=00000000}, [116 => 12]) = 0 [pid 10869] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10871] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10869] <... futex resumed>) = 1 [pid 10867] <... futex resumed>) = 0 [pid 10871] <... futex resumed>) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10869] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10867] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10871] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10867] <... futex resumed>) = 0 [pid 10871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10870] <... futex resumed>) = 0 [pid 10869] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x73\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10871] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x76\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10867] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10875] set_robust_list(0x5555555916a0, 24) = 0 [pid 10875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10875] setpgid(0, 0) = 0 [pid 10875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10875] write(3, "1000", 4) = 4 [pid 10875] close(3) = 0 [pid 10875] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10875] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10875] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10875] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10877]}, 88) = 10877 [pid 10875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10877 attached [pid 10877] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10877] memfd_create("syzkaller", 0 [pid 10866] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10866] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10866] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10877] <... memfd_create resumed>) = 3 [pid 10866] <... clone3 resumed> => {parent_tid=[10879]}, 88) = 10879 [pid 10877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10866] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10866] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10879 attached [pid 10879] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10879] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10866] <... futex resumed>) = 0 [pid 10866] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10866] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10879] <... futex resumed>) = 1 [pid 10879] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10879] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10866] <... futex resumed>) = 0 [pid 10866] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10866] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10879] <... futex resumed>) = 1 [pid 10877] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10877] <... write resumed>) = 131072 [pid 10877] munmap(0x7fb91de38000, 138412032) = 0 [pid 10877] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 10877] ioctl(4, LOOP_SET_FD, 3 [pid 10879] <... bpf resumed>) = 6 [ 153.833874][T10871] loop0: detected capacity change from 0 to 256 [ 153.841118][T10871] exfat: Bad value for 'uid' [ 153.869869][T10874] loop2: detected capacity change from 0 to 256 [ 153.878758][T10874] exfat: Bad value for 'uid' [pid 10879] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10866] <... futex resumed>) = 0 [pid 10866] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10866] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10879] <... futex resumed>) = 1 [pid 10879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10877] <... ioctl resumed>) = 0 [pid 10879] <... bpf resumed>) = 7 [pid 10877] close(3) = 0 [pid 10879] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10877] close(4 [pid 10879] <... futex resumed>) = 1 [pid 10877] <... close resumed>) = 0 [pid 10866] <... futex resumed>) = 0 [pid 10879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10866] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10879] <... bpf resumed>) = 8 [pid 10877] mkdir("./file0", 0777 [pid 10866] <... futex resumed>) = 0 [pid 10877] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10866] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10877] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10874] <... ioctl resumed>) = 0 [pid 10874] close(3) = 0 [pid 10874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10872] <... futex resumed>) = 0 [pid 10874] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10872] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10872] <... futex resumed>) = 0 [pid 10874] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10872] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10879] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10874] <... socket resumed>) = 3 [pid 10879] <... futex resumed>) = 1 [pid 10874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10866] <... futex resumed>) = 0 [pid 10879] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10874] <... futex resumed>) = 1 [pid 10872] <... futex resumed>) = 0 [pid 10866] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10874] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10872] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10866] <... futex resumed>) = 0 [pid 10879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10872] <... futex resumed>) = 0 [pid 10866] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10879] <... bpf resumed>) = 9 [pid 10874] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10872] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10879] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10874] <... socket resumed>) = 4 [pid 10879] <... futex resumed>) = 1 [pid 10874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10866] <... futex resumed>) = 0 [pid 10879] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10874] <... futex resumed>) = 1 [pid 10872] <... futex resumed>) = 0 [pid 10874] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10872] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10872] <... futex resumed>) = 0 [pid 10874] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10872] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10877] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10874] <... sendto resumed>) = 32 [pid 10877] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10874] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10872}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10877] <... openat resumed>) = 3 [pid 10870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10870] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10867] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10874] <... futex resumed>) = 1 [pid 10872] <... futex resumed>) = 0 [pid 10870] <... futex resumed>) = 0 [pid 10867] <... futex resumed>) = 0 [pid 10874] getsockname(4, [pid 10872] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10874] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10872, nl_groups=00000000}, [116 => 12]) = 0 [pid 10872] <... futex resumed>) = 0 [pid 10870] <... mmap resumed>) = 0x7fb926217000 [pid 10867] <... mmap resumed>) = 0x7fb926217000 [pid 10874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10870] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10867] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10874] <... futex resumed>) = 0 [pid 10872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10870] <... mprotect resumed>) = 0 [pid 10867] <... mprotect resumed>) = 0 [pid 10874] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10872] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10872] <... futex resumed>) = 0 [pid 10874] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x78\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10872] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10880 attached [pid 10877] ioctl(3, LOOP_CLR_FD [pid 10870] <... clone3 resumed> => {parent_tid=[10880]}, 88) = 10880 [pid 10867] <... clone3 resumed> => {parent_tid=[10882]}, 88) = 10882 [pid 10870] rt_sigprocmask(SIG_SETMASK, [], [pid 10867] rt_sigprocmask(SIG_SETMASK, [], [pid 10870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10867] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10870] <... futex resumed>) = 0 [pid 10867] <... futex resumed>) = 0 [pid 10870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10867] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10882 attached [pid 10882] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10882] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10882] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10867] <... futex resumed>) = 0 [pid 10867] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10867] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10882] <... futex resumed>) = 1 [pid 10882] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10882] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10867] <... futex resumed>) = 0 [pid 10867] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10867] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10882] <... futex resumed>) = 1 [pid 10882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10882] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10867] <... futex resumed>) = 0 [pid 10867] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10867] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10882] <... futex resumed>) = 1 [pid 10882] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10882] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10867] <... futex resumed>) = 0 [pid 10867] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10867] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10882] <... futex resumed>) = 1 [pid 10882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10882] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10867] <... futex resumed>) = 0 [pid 10867] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10867] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10882] <... futex resumed>) = 1 [pid 10882] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10880] set_robust_list(0x7fb9262379a0, 24 [pid 10882] <... bpf resumed>) = 9 [pid 10880] <... set_robust_list resumed>) = 0 [pid 10880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10882] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10880] <... bpf resumed>) = 5 [pid 10867] <... futex resumed>) = 0 [pid 10882] <... futex resumed>) = 1 [pid 10882] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10880] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10880] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10870] <... futex resumed>) = 0 [pid 10870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10880] <... bpf resumed>) = 0 [pid 10880] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10870] <... futex resumed>) = 0 [pid 10870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10880] <... bpf resumed>) = 6 [pid 10880] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10870] <... futex resumed>) = 0 [pid 10870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10880] <... futex resumed>) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10880] <... bpf resumed>) = 7 [pid 10880] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10870] <... futex resumed>) = 0 [pid 10870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10880] <... bpf resumed>) = 8 [pid 10880] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10870] <... futex resumed>) = 0 [pid 10880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10880] <... bpf resumed>) = 9 [pid 10870] <... futex resumed>) = 0 [pid 10880] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10880] <... futex resumed>) = 0 [pid 10880] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 153.915933][T10877] loop3: detected capacity change from 0 to 256 [ 153.930041][T10877] exfat: Bad value for 'uid' [pid 10872] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10872] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10868] <... sendmsg resumed>) = 64 [pid 10877] <... ioctl resumed>) = 0 [pid 10872] <... futex resumed>) = 0 [pid 10868] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10868] <... futex resumed>) = 0 [pid 10866] exit_group(0) = ? [pid 10879] <... futex resumed>) = ? [pid 10879] +++ exited with 0 +++ [pid 10872] <... mmap resumed>) = 0x7fb926217000 [pid 10872] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10868] +++ exited with 0 +++ [pid 10872] <... mprotect resumed>) = 0 [pid 10866] +++ exited with 0 +++ [pid 10877] close(3) = 0 [pid 10872] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10877] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10877] <... futex resumed>) = 1 [pid 10875] <... futex resumed>) = 0 [pid 10872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10883 attached [pid 10877] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10875] <... futex resumed>) = 0 [pid 10872] <... clone3 resumed> => {parent_tid=[10883]}, 88) = 10883 [pid 10877] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10872] rt_sigprocmask(SIG_SETMASK, [], [pid 10883] set_robust_list(0x7fb9262379a0, 24 [pid 10877] <... socket resumed>) = 3 [pid 10872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10877] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10877] <... futex resumed>) = 1 [pid 10875] <... futex resumed>) = 0 [pid 10872] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 10877] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10875] <... futex resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 10877] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10877] <... socket resumed>) = 4 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10877] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10875] <... futex resumed>) = 0 [pid 297] close(3 [pid 10877] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10883] <... set_robust_list resumed>) = 0 [pid 10877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10875] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 10883] rt_sigprocmask(SIG_SETMASK, [], [pid 10877] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10877] <... sendto resumed>) = 32 [pid 10883] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10884 ./strace-static-x86_64: Process 10884 attached [pid 10883] <... bpf resumed>) = 5 [pid 10877] recvfrom(4, [pid 10884] set_robust_list(0x5555555916a0, 24 [pid 10877] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10875}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10884] <... set_robust_list resumed>) = 0 [pid 10883] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10877] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10875] <... futex resumed>) = 0 [pid 10883] <... futex resumed>) = 1 [pid 10877] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] <... futex resumed>) = 0 [pid 10884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10875] <... futex resumed>) = 0 [pid 10872] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10884] <... prctl resumed>) = 0 [pid 10883] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10877] getsockname(4, [pid 10875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10872] <... futex resumed>) = 0 [pid 10883] <... bpf resumed>) = 0 [pid 10877] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10875, nl_groups=00000000}, [116 => 12]) = 0 [pid 10872] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10884] setpgid(0, 0 [pid 10883] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10877] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10883] <... futex resumed>) = 1 [pid 10877] <... futex resumed>) = 1 [pid 10875] <... futex resumed>) = 0 [pid 10872] <... futex resumed>) = 0 [pid 10877] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10875] <... futex resumed>) = 0 [pid 10872] <... futex resumed>) = 0 [pid 10884] <... setpgid resumed>) = 0 [pid 10877] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x7b\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10872] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10883] <... bpf resumed>) = 6 [pid 10883] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10883] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10872] <... futex resumed>) = 0 [pid 10872] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10872] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10883] <... futex resumed>) = 0 [pid 10883] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10883] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10883] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10872] <... futex resumed>) = 0 [pid 10872] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10884] <... openat resumed>) = 3 [pid 10883] <... futex resumed>) = 0 [pid 10872] <... futex resumed>) = 1 [pid 10884] write(3, "1000", 4 [pid 10883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10872] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10884] <... write resumed>) = 4 [pid 10884] close(3) = 0 [pid 10884] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10883] <... bpf resumed>) = 8 [pid 10884] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10883] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10884] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10883] <... futex resumed>) = 1 [pid 10872] <... futex resumed>) = 0 [pid 10884] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10883] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10872] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10884] <... mprotect resumed>) = 0 [pid 10872] <... futex resumed>) = 0 [pid 10883] <... bpf resumed>) = 9 [pid 10884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10883] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10883] <... futex resumed>) = 0 [pid 10872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10886]}, 88) = 10886 [pid 10883] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10884] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10884] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10886 attached [pid 10886] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10886] memfd_create("syzkaller", 0) = 3 [pid 10886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10886] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10886] munmap(0x7fb91de38000, 138412032) = 0 [pid 10886] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10886] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10886] close(3) = 0 [pid 10886] close(4) = 0 [pid 10871] <... sendmsg resumed>) = 64 [pid 10886] mkdir("./file0", 0777 [pid 10871] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10886] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10871] <... futex resumed>) = 0 [pid 10886] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10871] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10886] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10869] <... sendmsg resumed>) = 64 [pid 10886] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10870] exit_group(0 [pid 10869] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10886] <... openat resumed>) = 3 [pid 10880] <... futex resumed>) = ? [pid 10871] <... futex resumed>) = ? [pid 10870] <... exit_group resumed>) = ? [pid 10869] <... futex resumed>) = 0 [pid 10880] +++ exited with 0 +++ [pid 10871] +++ exited with 0 +++ [pid 10886] ioctl(3, LOOP_CLR_FD [pid 10870] +++ exited with 0 +++ [pid 10869] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10867] exit_group(0 [pid 10869] <... futex resumed>) = ? [pid 10867] <... exit_group resumed>) = ? [pid 10882] <... futex resumed>) = ? [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10870, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10869] +++ exited with 0 +++ [pid 10882] +++ exited with 0 +++ [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10887 ./strace-static-x86_64: Process 10887 attached [pid 10887] set_robust_list(0x5555555916a0, 24) = 0 [pid 10887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10887] setpgid(0, 0) = 0 [pid 10887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10887] write(3, "1000", 4) = 4 [pid 10887] close(3) = 0 [pid 10887] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10887] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10887] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10888]}, 88) = 10888 [pid 10887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10887] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10887] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10888 attached [pid 10888] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10875] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10888] memfd_create("syzkaller", 0 [pid 10875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10888] <... memfd_create resumed>) = 3 [pid 10875] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10875] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10875] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10875] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10875] <... clone3 resumed> => {parent_tid=[10889]}, 88) = 10889 [pid 10875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10888] <... mmap resumed>) = 0x7fb91de38000 [pid 10875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10888] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 10889 attached [pid 10889] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10888] <... write resumed>) = 131072 [pid 10889] rt_sigprocmask(SIG_SETMASK, [], [pid 10888] munmap(0x7fb91de38000, 138412032 [pid 10889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10889] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10888] <... munmap resumed>) = 0 [pid 10889] <... bpf resumed>) = 5 [pid 10889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10875] <... futex resumed>) = 0 [pid 10888] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10889] <... futex resumed>) = 1 [pid 10888] <... openat resumed>) = 4 [pid 10889] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10874] <... sendmsg resumed>) = 64 [pid 10874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10872] exit_group(0 [pid 10883] <... futex resumed>) = ? [pid 10874] <... futex resumed>) = ? [pid 10872] <... exit_group resumed>) = ? [pid 10888] ioctl(4, LOOP_SET_FD, 3 [pid 10883] +++ exited with 0 +++ [pid 10874] +++ exited with 0 +++ [pid 10875] <... futex resumed>) = 0 [pid 10875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10889] <... futex resumed>) = 1 [pid 10889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10875] <... futex resumed>) = 0 [pid 10875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10889] <... futex resumed>) = 1 [pid 10889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10888] <... ioctl resumed>) = 0 [pid 10888] close(3) = 0 [pid 10888] close(4) = 0 [pid 10888] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10888] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10872] +++ exited with 0 +++ [pid 10867] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10890 [pid 10886] <... ioctl resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10867, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 154.039174][T10886] loop1: detected capacity change from 0 to 256 [ 154.050772][T10886] exfat: Bad value for 'uid' [ 154.078093][T10888] loop0: detected capacity change from 0 to 256 [pid 10886] close(3) = 0 [pid 10886] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10886] <... futex resumed>) = 1 [pid 10884] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 10886] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10884] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] ioctl(3, LOOP_CLR_FD [pid 10886] <... socket resumed>) = 3 [pid 10884] <... futex resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10886] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10884] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] close(3 [pid 10886] <... futex resumed>) = 0 [pid 10884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] <... close resumed>) = 0 [pid 10886] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10884] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10886] <... socket resumed>) = 4 [pid 10884] <... futex resumed>) = 0 [pid 10888] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10888] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10886] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10884] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10886] <... futex resumed>) = 0 [pid 10884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10891 [pid 10886] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10884] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10884] <... futex resumed>) = 0 [pid 10886] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10884] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10886] <... sendto resumed>) = 32 [pid 10886] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10884}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10886] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10884] <... futex resumed>) = 0 [pid 10886] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10884] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10884] <... futex resumed>) = 0 [pid 10886] getsockname(4, [pid 10884] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10886] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10884, nl_groups=00000000}, [116 => 12]) = 0 [pid 10886] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10884] <... futex resumed>) = 0 [pid 10886] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x84\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10884] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10884] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10888] <... openat resumed>) = 3 [pid 10888] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10891 attached [pid 10891] set_robust_list(0x5555555916a0, 24) = 0 [pid 10891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10891] setpgid(0, 0) = 0 [pid 10891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10891] write(3, "1000", 4) = 4 [pid 10891] close(3) = 0 ./strace-static-x86_64: Process 10890 attached [pid 10890] set_robust_list(0x5555555916a0, 24) = 0 [pid 10891] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10890] setpgid(0, 0 [pid 10891] <... futex resumed>) = 0 [pid 10891] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10890] <... setpgid resumed>) = 0 [pid 10891] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10889] <... bpf resumed>) = 7 [pid 10889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10875] <... futex resumed>) = 0 [pid 10889] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10875] <... futex resumed>) = 0 [pid 10889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10889] <... bpf resumed>) = 8 [pid 10889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10875] <... futex resumed>) = 0 [pid 10889] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10875] <... futex resumed>) = 0 [pid 10889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10889] <... bpf resumed>) = 9 [pid 10889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10875] <... futex resumed>) = 0 [pid 10889] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10890] write(3, "1000", 4) = 4 [pid 10890] close(3) = 0 [pid 10890] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10890] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10891] <... mmap resumed>) = 0x7fb926238000 [pid 10891] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10891] <... mprotect resumed>) = 0 [pid 10890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10890] <... mmap resumed>) = 0x7fb926238000 [pid 10891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10890] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10890] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 10893 attached [pid 10890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10893] set_robust_list(0x7fb9262589a0, 24 [pid 10891] <... clone3 resumed> => {parent_tid=[10893]}, 88) = 10893 [pid 10890] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10893] <... set_robust_list resumed>) = 0 [pid 10891] rt_sigprocmask(SIG_SETMASK, [], [pid 10890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10894 attached [pid 10893] rt_sigprocmask(SIG_SETMASK, [], [pid 10891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10894] set_robust_list(0x7fb9262589a0, 24 [pid 10893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10891] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] <... clone3 resumed> => {parent_tid=[10894]}, 88) = 10894 [pid 10894] <... set_robust_list resumed>) = 0 [pid 10893] memfd_create("syzkaller", 0 [pid 10891] <... futex resumed>) = 0 [pid 10890] rt_sigprocmask(SIG_SETMASK, [], [pid 10894] rt_sigprocmask(SIG_SETMASK, [], [pid 10893] <... memfd_create resumed>) = 3 [pid 10891] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 10893] <... mmap resumed>) = 0x7fb91de38000 [pid 10890] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10890] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10894] memfd_create("syzkaller", 0) = 3 [pid 10894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10893] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10894] <... mmap resumed>) = 0x7fb91de38000 [pid 10894] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10893] <... write resumed>) = 131072 [pid 10893] munmap(0x7fb91de38000, 138412032) = 0 [pid 10893] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 154.090208][T10888] exfat: Bad value for 'uid' [pid 10893] ioctl(4, LOOP_SET_FD, 3 [pid 10894] <... write resumed>) = 131072 [pid 10894] munmap(0x7fb91de38000, 138412032) = 0 [pid 10894] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10894] ioctl(4, LOOP_SET_FD, 3 [pid 10893] <... ioctl resumed>) = 0 [pid 10877] <... sendmsg resumed>) = 64 [pid 10893] close(3 [pid 10877] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10875] exit_group(0 [pid 10893] <... close resumed>) = 0 [pid 10889] <... futex resumed>) = ? [pid 10877] <... futex resumed>) = ? [pid 10875] <... exit_group resumed>) = ? [pid 10893] close(4 [pid 10889] +++ exited with 0 +++ [pid 10877] +++ exited with 0 +++ [pid 10875] +++ exited with 0 +++ [pid 10894] <... ioctl resumed>) = 0 [pid 10894] close(3) = 0 [pid 10894] close(4) = 0 [pid 10894] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10894] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10875, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 10894] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10894] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10894] ioctl(3, LOOP_CLR_FD [pid 10893] <... close resumed>) = 0 [pid 10893] mkdir("./file0", 0777 [pid 10888] <... ioctl resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD [pid 10888] close(3 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10888] <... close resumed>) = 0 [pid 299] close(3 [pid 10888] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 10884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10884] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10888] <... futex resumed>) = 1 [pid 10887] <... futex resumed>) = 0 [pid 10888] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10887] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10888] <... socket resumed>) = 3 [pid 10887] <... futex resumed>) = 0 [pid 10884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10895 [pid 10888] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10887] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10884] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10888] <... futex resumed>) = 0 [pid 10887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10884] <... mmap resumed>) = 0x7fb926217000 [pid 10884] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10888] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10887] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10884] <... mprotect resumed>) = 0 [pid 10888] <... socket resumed>) = 4 [pid 10887] <... futex resumed>) = 0 [pid 10884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10888] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10887] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10888] <... futex resumed>) = 0 [pid 10887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10884] <... clone3 resumed> => {parent_tid=[10896]}, 88) = 10896 [pid 10884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10888] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10887] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10884] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10888] <... sendto resumed>) = 32 [pid 10887] <... futex resumed>) = 0 [pid 10888] recvfrom(4, [pid 10887] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10884] <... futex resumed>) = 0 [pid 10888] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10887}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10884] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10888] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10887] <... futex resumed>) = 0 [pid 10888] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10887] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10887] <... futex resumed>) = 0 [pid 10888] getsockname(4, [pid 10887] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10888] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10887, nl_groups=00000000}, [116 => 12]) = 0 [pid 10888] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10887] <... futex resumed>) = 0 [pid 10888] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10887] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10887] <... futex resumed>) = 0 [pid 10888] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x87\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10887] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10893] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10893] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 10896 attached ./strace-static-x86_64: Process 10895 attached ) = -1 EINVAL (Invalid argument) [pid 10896] set_robust_list(0x7fb9262379a0, 24 [pid 10895] set_robust_list(0x5555555916a0, 24 [pid 10896] <... set_robust_list resumed>) = 0 [pid 10895] <... set_robust_list resumed>) = 0 [pid 10896] rt_sigprocmask(SIG_SETMASK, [], [pid 10895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10895] <... prctl resumed>) = 0 [pid 10896] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10895] setpgid(0, 0 [pid 10896] <... bpf resumed>) = 5 [pid 10895] <... setpgid resumed>) = 0 [pid 10896] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10896] <... futex resumed>) = 1 [pid 10895] <... openat resumed>) = 3 [pid 10884] <... futex resumed>) = 0 [pid 10896] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] write(3, "1000", 4 [pid 10884] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... write resumed>) = 4 [pid 10884] <... futex resumed>) = 0 [pid 10896] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10895] close(3 [pid 10884] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10896] <... bpf resumed>) = 0 [pid 10895] <... close resumed>) = 0 [pid 10896] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10895] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10896] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10884] <... futex resumed>) = 0 [pid 10896] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10884] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10884] <... futex resumed>) = 0 [pid 10896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10884] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10896] <... bpf resumed>) = 6 [pid 10895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10896] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10896] <... futex resumed>) = 1 [pid 10895] <... mmap resumed>) = 0x7fb926238000 [pid 10884] <... futex resumed>) = 0 [pid 10896] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10893] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10884] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... mprotect resumed>) = 0 [pid 10893] <... openat resumed>) = 3 [pid 10884] <... futex resumed>) = 0 [pid 10896] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10895] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10893] ioctl(3, LOOP_CLR_FD [pid 10884] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10896] <... bpf resumed>) = 7 [pid 10896] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10895] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10896] <... futex resumed>) = 1 [pid 10895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10884] <... futex resumed>) = 0 [pid 10896] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10884] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... clone3 resumed> => {parent_tid=[10898]}, 88) = 10898 [pid 10884] <... futex resumed>) = 0 [pid 10896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10895] rt_sigprocmask(SIG_SETMASK, [], [pid 10884] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10898 attached [pid 10895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10898] set_robust_list(0x7fb9262589a0, 24 [pid 10895] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10898] <... set_robust_list resumed>) = 0 [pid 10895] <... futex resumed>) = 0 [pid 10898] rt_sigprocmask(SIG_SETMASK, [], [pid 10895] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10896] <... bpf resumed>) = 8 [pid 10896] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10896] <... futex resumed>) = 1 [pid 10884] <... futex resumed>) = 0 [pid 10898] memfd_create("syzkaller", 0 [pid 10896] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10884] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10884] <... futex resumed>) = 0 [pid 10896] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10884] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10898] <... memfd_create resumed>) = 3 [pid 10898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10896] <... bpf resumed>) = 9 [pid 10898] <... mmap resumed>) = 0x7fb91de38000 [pid 10896] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10884] <... futex resumed>) = 0 [pid 10896] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10898] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10898] munmap(0x7fb91de38000, 138412032) = 0 [pid 10898] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 154.125828][T10893] loop4: detected capacity change from 0 to 256 [ 154.129204][T10894] loop2: detected capacity change from 0 to 256 [ 154.142138][T10894] exfat: Bad value for 'uid' [ 154.158674][T10893] exfat: Bad value for 'uid' [pid 10898] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10898] close(3) = 0 [pid 10898] close(4) = 0 [pid 10898] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10898] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10898] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10898] ioctl(3, LOOP_CLR_FD) = 0 [pid 10894] <... ioctl resumed>) = 0 [pid 10893] <... ioctl resumed>) = 0 [pid 10887] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10886] <... sendmsg resumed>) = 64 [pid 10898] close(3 [pid 10893] close(3 [pid 10898] <... close resumed>) = 0 [pid 10893] <... close resumed>) = 0 [pid 10898] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] close(3 [pid 10893] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10887] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10886] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10898] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10894] <... close resumed>) = 0 [pid 10893] <... futex resumed>) = 1 [pid 10891] <... futex resumed>) = 0 [pid 10887] <... futex resumed>) = 0 [pid 10898] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10893] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10891] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10886] <... futex resumed>) = 0 [pid 10887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... futex resumed>) = 0 [pid 10894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10891] <... futex resumed>) = 0 [pid 10886] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10884] exit_group(0 [pid 10887] <... mmap resumed>) = 0x7fb926217000 [pid 10898] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10896] <... futex resumed>) = ? [pid 10895] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10894] <... futex resumed>) = 1 [pid 10893] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10891] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10890] <... futex resumed>) = 0 [pid 10887] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10886] <... futex resumed>) = ? [pid 10884] <... exit_group resumed>) = ? [pid 10898] <... socket resumed>) = 3 [pid 10896] +++ exited with 0 +++ [pid 10894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10893] <... socket resumed>) = 3 [pid 10890] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10887] <... mprotect resumed>) = 0 [pid 10886] +++ exited with 0 +++ [pid 10898] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10893] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] <... futex resumed>) = 0 [pid 10887] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10884] +++ exited with 0 +++ [pid 10898] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10894] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10893] <... futex resumed>) = 1 [pid 10891] <... futex resumed>) = 0 [pid 10890] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10887] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10898] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] <... socket resumed>) = 3 [pid 10893] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10891] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... futex resumed>) = 0 [pid 10894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10891] <... futex resumed>) = 0 [pid 10887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10884, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10898] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10895] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10894] <... futex resumed>) = 1 [pid 10893] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10891] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10890] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10898] <... socket resumed>) = 4 [pid 10894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10893] <... socket resumed>) = 4 [pid 10890] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10887] <... clone3 resumed> => {parent_tid=[10899]}, 88) = 10899 [pid 297] <... openat resumed>) = 3 [pid 10898] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10893] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] <... futex resumed>) = 0 [pid 10887] rt_sigprocmask(SIG_SETMASK, [], [pid 297] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10899 attached [pid 10898] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10894] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10893] <... futex resumed>) = 1 [pid 10891] <... futex resumed>) = 0 [pid 10890] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10898] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] <... socket resumed>) = 4 [pid 10893] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10891] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10887] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 10898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... futex resumed>) = 0 [pid 10894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10891] <... futex resumed>) = 0 [pid 10887] <... futex resumed>) = 0 [pid 10898] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10895] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10893] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 297] <... close resumed>) = 0 [pid 10898] <... sendto resumed>) = 32 [pid 10893] <... sendto resumed>) = 32 [pid 10898] recvfrom(4, [pid 10893] recvfrom(4, [pid 10898] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10895}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10893] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10891}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10898] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10893] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10898] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10893] <... futex resumed>) = 0 [pid 10898] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10893] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10891] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10887] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10894] <... futex resumed>) = 1 [pid 10890] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... futex resumed>) = 0 [pid 10894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10890] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10898] getsockname(4, [pid 10895] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10898] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10895, nl_groups=00000000}, [116 => 12]) = 0 [pid 10898] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10891] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] <... futex resumed>) = 0 [pid 10898] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10894] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10893] <... futex resumed>) = 0 [pid 10891] <... futex resumed>) = 1 [pid 10890] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10900 [pid 10898] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] <... sendto resumed>) = 32 [pid 10893] getsockname(4, [pid 10891] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10895] <... futex resumed>) = 0 [pid 10894] recvfrom(4, [pid 10893] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10891, nl_groups=00000000}, [116 => 12]) = 0 [pid 10898] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8f\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10895] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10894] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10890}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10893] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10893] <... futex resumed>) = 1 [pid 10891] <... futex resumed>) = 0 [pid 10894] <... futex resumed>) = 1 [pid 10893] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10891] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10900 attached [pid 10894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10891] <... futex resumed>) = 0 [pid 10890] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] set_robust_list(0x5555555916a0, 24 [pid 10894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10893] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8b\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10891] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10890] <... futex resumed>) = 0 [pid 10900] <... set_robust_list resumed>) = 0 [pid 10894] getsockname(4, [pid 10890] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10894] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10890, nl_groups=00000000}, [116 => 12]) = 0 [pid 10900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] <... prctl resumed>) = 0 [pid 10894] <... futex resumed>) = 1 [pid 10890] <... futex resumed>) = 0 [pid 10894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10890] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10890] <... futex resumed>) = 0 [pid 10894] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8a\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10890] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10900] setpgid(0, 0) = 0 [pid 10900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10899] set_robust_list(0x7fb9262379a0, 24 [pid 10900] write(3, "1000", 4 [pid 10899] <... set_robust_list resumed>) = 0 [pid 10899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10900] <... write resumed>) = 4 [pid 10899] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] close(3 [pid 10899] <... futex resumed>) = 1 [pid 10900] <... close resumed>) = 0 [pid 10899] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10887] <... futex resumed>) = 0 [pid 10900] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10887] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] <... futex resumed>) = 0 [pid 10899] <... futex resumed>) = 0 [pid 10887] <... futex resumed>) = 1 [pid 10900] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10899] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10887] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10900] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10899] <... bpf resumed>) = 0 [pid 10900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10899] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10899] <... futex resumed>) = 1 [pid 10900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10899] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10900] <... mmap resumed>) = 0x7fb926238000 [pid 10900] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10887] <... futex resumed>) = 0 [pid 10900] <... mprotect resumed>) = 0 [pid 10900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10887] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10899] <... futex resumed>) = 0 [pid 10887] <... futex resumed>) = 1 [pid 10900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10887] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10900] <... clone3 resumed> => {parent_tid=[10903]}, 88) = 10903 [pid 10899] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] rt_sigprocmask(SIG_SETMASK, [], [pid 10899] <... futex resumed>) = 0 [pid 10887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10899] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10887] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10887] <... futex resumed>) = 0 [pid 10900] <... futex resumed>) = 0 [pid 10899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10887] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10900] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10899] <... bpf resumed>) = 7 [pid 10899] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10899] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10887] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10903 attached [pid 10899] <... futex resumed>) = 0 [pid 10887] <... futex resumed>) = 1 [pid 10899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10887] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10899] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 154.180181][T10898] loop3: detected capacity change from 0 to 256 [ 154.188209][T10898] exfat: Bad value for 'uid' [ 154.208869][ T318] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 10899] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10903] set_robust_list(0x7fb9262589a0, 24 [pid 10887] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10899] <... futex resumed>) = 0 [pid 10887] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10903] <... set_robust_list resumed>) = 0 [pid 10903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10903] memfd_create("syzkaller", 0) = 3 [pid 10903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 10903] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10899] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10887] <... futex resumed>) = 0 [pid 10899] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10903] <... write resumed>) = 131072 [pid 10903] munmap(0x7fb91de38000, 138412032) = 0 [pid 10903] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10903] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10903] close(3) = 0 [pid 10903] close(4) = 0 [pid 10903] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10903] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10903] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10903] ioctl(3, LOOP_CLR_FD [pid 10895] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10895] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10895] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10895] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10891] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10905 attached [pid 10895] <... clone3 resumed> => {parent_tid=[10905]}, 88) = 10905 [pid 10891] <... futex resumed>) = 0 [pid 10890] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10905] set_robust_list(0x7fb9262379a0, 24 [pid 10895] rt_sigprocmask(SIG_SETMASK, [], [pid 10891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10890] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10905] <... set_robust_list resumed>) = 0 [pid 10895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10891] <... mmap resumed>) = 0x7fb926217000 [pid 10890] <... futex resumed>) = 0 [pid 10905] rt_sigprocmask(SIG_SETMASK, [], [pid 10895] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10891] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10895] <... futex resumed>) = 0 [pid 10891] <... mprotect resumed>) = 0 [pid 10890] <... mmap resumed>) = 0x7fb926217000 [pid 10895] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10890] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10890] <... mprotect resumed>) = 0 [pid 10891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10890] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 10906 attached [pid 10905] <... bpf resumed>) = 5 [pid 10891] <... clone3 resumed> => {parent_tid=[10906]}, 88) = 10906 [pid 10890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10906] set_robust_list(0x7fb9262379a0, 24 [pid 10905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10890] <... clone3 resumed> => {parent_tid=[10907]}, 88) = 10907 [pid 10891] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] rt_sigprocmask(SIG_SETMASK, [], [pid 10891] <... futex resumed>) = 0 [pid 10890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10891] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10890] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10890] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10907 attached [pid 10907] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10905] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10907] rt_sigprocmask(SIG_SETMASK, [], [pid 10895] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10906] <... set_robust_list resumed>) = 0 [pid 10905] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10895] <... futex resumed>) = 0 [pid 10907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10906] rt_sigprocmask(SIG_SETMASK, [], [pid 10905] <... bpf resumed>) = 0 [pid 10895] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10895] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10907] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10895] <... futex resumed>) = 0 [pid 10907] <... bpf resumed>) = 5 [pid 10906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10905] <... bpf resumed>) = 6 [pid 10895] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10906] <... bpf resumed>) = 5 [pid 10905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10891] <... futex resumed>) = 0 [pid 10891] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10891] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10906] <... futex resumed>) = 1 [pid 10905] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10906] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10895] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] <... futex resumed>) = 0 [pid 10907] <... futex resumed>) = 1 [pid 10905] <... bpf resumed>) = 7 [pid 10895] <... futex resumed>) = 0 [pid 10890] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10895] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10890] <... futex resumed>) = 0 [pid 10905] <... futex resumed>) = 0 [pid 10895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10890] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10895] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10895] <... futex resumed>) = 0 [pid 10891] <... futex resumed>) = 0 [pid 10891] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10891] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10906] <... futex resumed>) = 1 [pid 10906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10905] <... bpf resumed>) = 8 [pid 10895] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10907] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10905] <... futex resumed>) = 1 [pid 10895] <... futex resumed>) = 0 [pid 10895] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10895] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10906] <... bpf resumed>) = 6 [pid 10906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10891] <... futex resumed>) = 0 [pid 10907] <... bpf resumed>) = 0 [pid 10906] <... futex resumed>) = 1 [pid 10905] <... bpf resumed>) = 9 [pid 10905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10888] <... sendmsg resumed>) = 64 [pid 10905] <... futex resumed>) = 1 [pid 10903] <... ioctl resumed>) = 0 [pid 10895] <... futex resumed>) = 0 [pid 10907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10905] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10907] <... futex resumed>) = 1 [pid 10890] <... futex resumed>) = 0 [pid 10907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10906] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10890] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10907] <... bpf resumed>) = 6 [pid 10890] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10891] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10891] <... futex resumed>) = 1 [pid 10907] <... futex resumed>) = 1 [pid 10891] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10890] <... futex resumed>) = 0 [pid 10888] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10907] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10903] close(3 [pid 10890] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10903] <... close resumed>) = 0 [pid 10890] <... futex resumed>) = 0 [pid 10888] <... futex resumed>) = 0 [pid 10907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10890] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10888] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10907] <... bpf resumed>) = 7 [pid 10903] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10887] exit_group(0 [pid 10907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10903] <... futex resumed>) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10899] <... futex resumed>) = ? [pid 10887] <... exit_group resumed>) = ? [pid 10907] <... futex resumed>) = 1 [pid 10903] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10900] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] <... futex resumed>) = 0 [pid 10888] <... futex resumed>) = ? [pid 10899] +++ exited with 0 +++ [pid 10907] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10903] <... socket resumed>) = 3 [pid 10900] <... futex resumed>) = 0 [pid 10890] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10890] <... futex resumed>) = 0 [pid 10907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10903] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10906] <... futex resumed>) = 0 [pid 10906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10903] <... futex resumed>) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10903] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10900] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] <... futex resumed>) = 0 [pid 10903] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10900] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10903] <... socket resumed>) = 4 [pid 10903] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10903] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10900] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] <... futex resumed>) = 0 [pid 10903] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10900] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10903] <... sendto resumed>) = 32 [pid 10903] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10900}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10907] <... bpf resumed>) = 8 [pid 10903] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10903] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10900] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] <... futex resumed>) = 0 [pid 10903] getsockname(4, [pid 10900] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10907] <... futex resumed>) = 1 [pid 10903] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10900, nl_groups=00000000}, [116 => 12]) = 0 [pid 10890] <... futex resumed>) = 0 [pid 10907] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10903] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10903] <... futex resumed>) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10890] <... futex resumed>) = 0 [pid 10907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10903] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10900] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] <... futex resumed>) = 0 [pid 10903] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x94\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 154.266615][T10903] loop1: detected capacity change from 0 to 256 [ 154.274679][T10903] exfat: Bad value for 'uid' [pid 10900] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10888] +++ exited with 0 +++ [pid 10906] <... bpf resumed>) = 7 [pid 10887] +++ exited with 0 +++ [pid 10907] <... bpf resumed>) = 9 [pid 10906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10887, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10906] <... futex resumed>) = 1 [pid 10891] <... futex resumed>) = 0 [pid 10907] <... futex resumed>) = 1 [pid 10906] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10891] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10890] <... futex resumed>) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 10907] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10891] <... futex resumed>) = 0 [pid 10906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10891] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... restart_syscall resumed>) = 0 [pid 10906] <... bpf resumed>) = 8 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10891] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 10906] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10891] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10891] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 10906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10891] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10906] <... bpf resumed>) = 9 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10891] <... futex resumed>) = 0 [pid 294] close(3 [pid 10906] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10909 ./strace-static-x86_64: Process 10909 attached [pid 10909] set_robust_list(0x5555555916a0, 24) = 0 [pid 10909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10909] setpgid(0, 0) = 0 [pid 10909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10909] write(3, "1000", 4) = 4 [pid 10909] close(3) = 0 [pid 10909] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10909] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10910]}, 88) = 10910 ./strace-static-x86_64: Process 10910 attached [pid 10909] rt_sigprocmask(SIG_SETMASK, [], [pid 10910] set_robust_list(0x7fb9262589a0, 24 [pid 10909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10909] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10910] <... set_robust_list resumed>) = 0 [pid 10910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10910] memfd_create("syzkaller", 0) = 3 [pid 10910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10910] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10910] munmap(0x7fb91de38000, 138412032) = 0 [pid 10910] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 10910] ioctl(4, LOOP_SET_FD, 3 [pid 10898] <... sendmsg resumed>) = 64 [pid 10898] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10898] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10895] exit_group(0 [pid 10910] <... ioctl resumed>) = 0 [pid 10895] <... exit_group resumed>) = ? [pid 10910] close(3 [pid 10905] <... futex resumed>) = ? [pid 10898] <... futex resumed>) = ? [pid 10910] <... close resumed>) = 0 [pid 10905] +++ exited with 0 +++ [pid 10898] +++ exited with 0 +++ [pid 10910] close(4) = 0 [pid 10910] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10910] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10895] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10895, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10910] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10910] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 10910] ioctl(3, LOOP_CLR_FD) = 0 [pid 10910] close(3) = 0 [pid 10910] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10909] <... futex resumed>) = 0 [pid 10909] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10910] <... futex resumed>) = 1 [pid 10910] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10910] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10909] <... futex resumed>) = 0 [pid 10909] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10910] <... futex resumed>) = 1 [pid 10910] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10910] <... socket resumed>) = 4 [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 10910] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10909] <... futex resumed>) = 0 [pid 10909] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10910] <... futex resumed>) = 1 [pid 10910] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10911 [pid 10910] <... sendto resumed>) = 32 [pid 10910] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10909}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10910] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10909] <... futex resumed>) = 0 [pid 10910] getsockname(4, [pid 10909] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10910] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10909, nl_groups=00000000}, [116 => 12]) = 0 [pid 10909] <... futex resumed>) = 0 [pid 10910] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10909] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10910] <... futex resumed>) = 0 [pid 10909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10910] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9d\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10909] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10894] <... sendmsg resumed>) = 64 [pid 10893] <... sendmsg resumed>) = 64 [pid 10894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10893] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10893] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10911 attached [pid 10893] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10911] set_robust_list(0x5555555916a0, 24) = 0 [pid 10891] exit_group(0 [pid 10890] exit_group(0 [pid 10907] <... futex resumed>) = ? [pid 10906] <... futex resumed>) = ? [pid 10894] <... futex resumed>) = ? [pid 10893] <... futex resumed>) = ? [pid 10891] <... exit_group resumed>) = ? [pid 10890] <... exit_group resumed>) = ? [pid 10911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10907] +++ exited with 0 +++ [pid 10906] +++ exited with 0 +++ [pid 10894] +++ exited with 0 +++ [pid 10911] <... prctl resumed>) = 0 [pid 10911] setpgid(0, 0) = 0 [pid 10911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10911] write(3, "1000", 4) = 4 [pid 10911] close(3) = 0 [pid 10911] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10911] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10900] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10900] <... futex resumed>) = 0 [pid 10911] <... mmap resumed>) = 0x7fb926238000 [pid 10900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10911] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10900] <... mmap resumed>) = 0x7fb926217000 [pid 10911] <... mprotect resumed>) = 0 [pid 10900] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10911] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10900] <... mprotect resumed>) = 0 [pid 10911] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10911] <... clone3 resumed> => {parent_tid=[10913]}, 88) = 10913 [pid 10911] rt_sigprocmask(SIG_SETMASK, [], [pid 10900] <... clone3 resumed> => {parent_tid=[10914]}, 88) = 10914 [pid 10911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10900] rt_sigprocmask(SIG_SETMASK, [], [pid 10911] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 10914 attached ./strace-static-x86_64: Process 10913 attached [pid 10911] <... futex resumed>) = 0 [pid 10900] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10914] set_robust_list(0x7fb9262379a0, 24 [pid 10913] set_robust_list(0x7fb9262589a0, 24 [pid 10911] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10900] <... futex resumed>) = 0 [pid 10914] <... set_robust_list resumed>) = 0 [pid 10913] <... set_robust_list resumed>) = 0 [pid 10900] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10914] rt_sigprocmask(SIG_SETMASK, [], [pid 10913] rt_sigprocmask(SIG_SETMASK, [], [pid 10914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10913] memfd_create("syzkaller", 0 [pid 10914] <... bpf resumed>) = 5 [pid 10913] <... memfd_create resumed>) = 3 [pid 10914] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10914] <... futex resumed>) = 1 [pid 10913] <... mmap resumed>) = 0x7fb91de38000 [pid 10900] <... futex resumed>) = 0 [pid 10914] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10913] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10900] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10913] <... write resumed>) = 131072 [pid 10900] <... futex resumed>) = 0 [pid 10913] munmap(0x7fb91de38000, 138412032 [pid 10900] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10914] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10913] <... munmap resumed>) = 0 [pid 10913] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 10913] ioctl(4, LOOP_SET_FD, 3 [ 154.345526][T10910] loop0: detected capacity change from 0 to 256 [ 154.354118][T10910] exfat: Bad value for 'uid' [pid 10914] <... bpf resumed>) = 0 [pid 10914] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10914] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10900] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] <... futex resumed>) = 0 [pid 10914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10900] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10914] <... bpf resumed>) = 6 [pid 10914] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10914] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10900] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] <... futex resumed>) = 0 [pid 10914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10900] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10913] <... ioctl resumed>) = 0 [pid 10913] close(3) = 0 [pid 10913] close(4) = 0 [pid 10913] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10913] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10913] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10913] ioctl(3, LOOP_CLR_FD [pid 10893] +++ exited with 0 +++ [pid 10891] +++ exited with 0 +++ [pid 10890] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10891, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10890, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 300] close(3 [pid 298] <... openat resumed>) = 3 [pid 300] <... close resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10915 [pid 298] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10916 ./strace-static-x86_64: Process 10916 attached [pid 10916] set_robust_list(0x5555555916a0, 24) = 0 [pid 10916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10916] setpgid(0, 0) = 0 [pid 10916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10916] write(3, "1000", 4) = 4 [pid 10916] close(3) = 0 [pid 10916] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10916] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10916] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10916] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10917]}, 88) = 10917 [pid 10916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10916] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10916] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10917 attached [pid 10917] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10917] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 10915 attached [pid 10909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10909] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10909] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10918]}, 88) = 10918 ./strace-static-x86_64: Process 10918 attached [pid 10909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10909] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10918] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10915] set_robust_list(0x5555555916a0, 24 [pid 10918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10914] <... bpf resumed>) = 7 [pid 10914] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10914] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10900] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10900] <... futex resumed>) = 0 [pid 10914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10900] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10918] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10918] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10909] <... futex resumed>) = 0 [pid 10909] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10914] <... bpf resumed>) = 8 [pid 10918] <... futex resumed>) = 1 [pid 10917] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10915] <... set_robust_list resumed>) = 0 [pid 10914] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10900] <... futex resumed>) = 0 [pid 10914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10900] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10918] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10914] <... bpf resumed>) = 9 [pid 10900] <... futex resumed>) = 0 [pid 10914] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10900] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10914] <... futex resumed>) = 0 [pid 10900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10917] <... write resumed>) = 131072 [pid 10914] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10917] munmap(0x7fb91de38000, 138412032) = 0 [pid 10915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10917] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10915] <... prctl resumed>) = 0 [pid 10915] setpgid(0, 0) = 0 [pid 10918] <... bpf resumed>) = 0 [pid 10917] <... openat resumed>) = 4 [ 154.387504][T10913] loop3: detected capacity change from 0 to 256 [ 154.394381][T10913] exfat: Bad value for 'uid' [pid 10917] ioctl(4, LOOP_SET_FD, 3 [pid 10915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10915] write(3, "1000", 4) = 4 [pid 10915] close(3) = 0 [pid 10915] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10915] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10915] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10915] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10919]}, 88) = 10919 [pid 10915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10915] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10915] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10919 attached [pid 10919] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10919] memfd_create("syzkaller", 0) = 3 [pid 10919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10919] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10919] munmap(0x7fb91de38000, 138412032) = 0 [pid 10919] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10919] ioctl(4, LOOP_SET_FD, 3 [pid 10918] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10917] <... ioctl resumed>) = 0 [pid 10913] <... ioctl resumed>) = 0 [pid 10913] close(3) = 0 [pid 10913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10911] <... futex resumed>) = 0 [pid 10913] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10911] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10913] <... socket resumed>) = 3 [pid 10911] <... futex resumed>) = 0 [pid 10913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10911] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10913] <... futex resumed>) = 0 [pid 10911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10913] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10911] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10913] <... socket resumed>) = 4 [pid 10911] <... futex resumed>) = 0 [pid 10913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10911] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10913] <... futex resumed>) = 0 [pid 10911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10913] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10911] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10913] <... sendto resumed>) = 32 [pid 10911] <... futex resumed>) = 0 [pid 10913] recvfrom(4, [pid 10911] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10913] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10911}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10918] <... futex resumed>) = 1 [pid 10913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10909] <... futex resumed>) = 0 [pid 10918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10913] <... futex resumed>) = 1 [pid 10911] <... futex resumed>) = 0 [pid 10909] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10918] <... bpf resumed>) = 6 [pid 10913] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10911] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10909] <... futex resumed>) = 0 [pid 10918] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10911] <... futex resumed>) = 0 [pid 10909] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10918] <... futex resumed>) = 0 [pid 10913] getsockname(4, [pid 10911] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10918] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10913] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10911, nl_groups=00000000}, [116 => 12]) = 0 [pid 10909] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10919] <... ioctl resumed>) = 0 [pid 10918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10917] close(3 [pid 10913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10909] <... futex resumed>) = 0 [pid 10918] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10917] <... close resumed>) = 0 [pid 10913] <... futex resumed>) = 1 [pid 10911] <... futex resumed>) = 0 [pid 10909] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10919] close(3) = 0 [pid 10918] <... bpf resumed>) = 7 [pid 10917] close(4 [pid 10913] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10911] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10918] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10917] <... close resumed>) = 0 [pid 10913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10911] <... futex resumed>) = 0 [pid 10918] <... futex resumed>) = 1 [pid 10913] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9f\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10911] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10909] <... futex resumed>) = 0 [pid 10918] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10909] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10909] <... futex resumed>) = 0 [pid 10918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10909] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10918] <... bpf resumed>) = 8 [pid 10918] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10917] mkdir("./file0", 0777 [pid 10909] <... futex resumed>) = 0 [pid 10918] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10909] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10918] <... bpf resumed>) = 9 [pid 10909] <... futex resumed>) = 0 [pid 10918] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10909] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10918] <... futex resumed>) = 0 [pid 10909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10918] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10917] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10919] close(4 [pid 10917] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10919] <... close resumed>) = 0 [pid 10903] <... sendmsg resumed>) = 64 [pid 10919] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10919] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10917] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10903] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10917] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10903] <... futex resumed>) = 0 [pid 10917] <... openat resumed>) = 3 [pid 10903] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10917] ioctl(3, LOOP_CLR_FD [pid 10900] exit_group(0 [pid 10914] <... futex resumed>) = ? [pid 10903] <... futex resumed>) = ? [pid 10900] <... exit_group resumed>) = ? [pid 10914] +++ exited with 0 +++ [pid 10903] +++ exited with 0 +++ [pid 10919] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10919] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10919] ioctl(3, LOOP_CLR_FD [pid 10910] <... sendmsg resumed>) = 64 [pid 10910] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10909] exit_group(0 [pid 10918] <... futex resumed>) = ? [pid 10909] <... exit_group resumed>) = ? [pid 10918] +++ exited with 0 +++ [pid 10917] <... ioctl resumed>) = 0 [pid 10917] close(3) = 0 [pid 10917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10916] <... futex resumed>) = 0 [pid 10917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10916] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10916] <... futex resumed>) = 0 [pid 10917] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10916] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10917] <... socket resumed>) = 3 [pid 10917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10916] <... futex resumed>) = 0 [pid 10917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10916] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10916] <... futex resumed>) = 0 [pid 10917] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10916] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10917] <... socket resumed>) = 4 [pid 10917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10916] <... futex resumed>) = 0 [pid 10917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10916] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10916] <... futex resumed>) = 0 [pid 10917] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10916] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10917] <... sendto resumed>) = 32 [pid 10917] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10916}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10916] <... futex resumed>) = 0 [pid 10917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10916] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10916] <... futex resumed>) = 0 [pid 10917] getsockname(4, [pid 10916] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10917] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10916, nl_groups=00000000}, [116 => 12]) = 0 [pid 10917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10916] <... futex resumed>) = 0 [pid 10917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10916] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10916] <... futex resumed>) = 0 [pid 10917] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa4\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10916] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10910] +++ exited with 0 +++ [pid 10909] +++ exited with 0 +++ [pid 10900] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10909, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 294] <... openat resumed>) = 3 [pid 10919] <... ioctl resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10919] close(3 [pid 294] close(3 [pid 10919] <... close resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10922 [pid 10919] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 10919] <... futex resumed>) = 1 [pid 10915] <... futex resumed>) = 0 [pid 10919] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10915] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10919] <... socket resumed>) = 3 [pid 10915] <... futex resumed>) = 0 [pid 10919] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10915] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10919] <... futex resumed>) = 0 [pid 10915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10919] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10915] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10919] <... socket resumed>) = 4 [pid 10915] <... futex resumed>) = 0 [pid 10919] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10915] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10911] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10919] <... futex resumed>) = 0 [pid 10915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10911] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10919] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10915] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10911] <... futex resumed>) = 0 [pid 10919] <... sendto resumed>) = 32 [pid 10915] <... futex resumed>) = 0 [pid 10911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10923 [pid 10919] recvfrom(4, [pid 10915] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10911] <... mmap resumed>) = 0x7fb926217000 [pid 10919] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10915}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10911] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10919] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10911] <... mprotect resumed>) = 0 [pid 10919] <... futex resumed>) = 1 [pid 10915] <... futex resumed>) = 0 [pid 10911] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 10923 attached [pid 10919] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10915] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10911] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10915] <... futex resumed>) = 0 [pid 10911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10922 attached [pid 10923] set_robust_list(0x5555555916a0, 24 [pid 10919] getsockname(4, [pid 10915] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10923] <... set_robust_list resumed>) = 0 [pid 10922] set_robust_list(0x5555555916a0, 24 [pid 10919] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10915, nl_groups=00000000}, [116 => 12]) = 0 [pid 10911] <... clone3 resumed> => {parent_tid=[10924]}, 88) = 10924 [pid 10923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10922] <... set_robust_list resumed>) = 0 [pid 10919] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10911] rt_sigprocmask(SIG_SETMASK, [], [pid 10923] <... prctl resumed>) = 0 [pid 10919] <... futex resumed>) = 1 [pid 10915] <... futex resumed>) = 0 [pid 10911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10923] setpgid(0, 0 [pid 10919] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10915] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10911] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] <... setpgid resumed>) = 0 [pid 10919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 154.431177][T10917] loop2: detected capacity change from 0 to 256 [ 154.435901][T10919] loop4: detected capacity change from 0 to 256 [ 154.461714][T10917] exfat: Bad value for 'uid' [ 154.465399][T10919] exfat: Bad value for 'uid' [pid 10915] <... futex resumed>) = 0 [pid 10911] <... futex resumed>) = 0 [pid 10922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10922] <... prctl resumed>) = 0 [pid 10919] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa3\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10915] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10911] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10923] <... openat resumed>) = 3 [pid 10922] setpgid(0, 0 [pid 10923] write(3, "1000", 4 [pid 10922] <... setpgid resumed>) = 0 [pid 10923] <... write resumed>) = 4 [pid 10922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10923] close(3) = 0 [pid 10922] <... openat resumed>) = 3 [pid 10923] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] write(3, "1000", 4./strace-static-x86_64: Process 10924 attached [pid 10924] set_robust_list(0x7fb9262379a0, 24 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... write resumed>) = 4 [pid 10923] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10922] close(3 [pid 10923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10922] <... close resumed>) = 0 [pid 10923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10922] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] <... mmap resumed>) = 0x7fb926238000 [pid 10922] <... futex resumed>) = 0 [pid 10924] <... set_robust_list resumed>) = 0 [pid 10923] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10922] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10922] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10923] <... clone3 resumed> => {parent_tid=[10926]}, 88) = 10926 [pid 10922] <... mmap resumed>) = 0x7fb926238000 [pid 10923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10922] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10923] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10922] <... mprotect resumed>) = 0 [pid 10923] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10924] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10926 attached [pid 10922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10922] <... clone3 resumed> => {parent_tid=[10927]}, 88) = 10927 [pid 10922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10922] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10922] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10927 attached [pid 10927] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10927] memfd_create("syzkaller", 0 [pid 10924] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10927] <... memfd_create resumed>) = 3 [pid 10927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10924] <... bpf resumed>) = 5 [pid 10924] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10911] <... futex resumed>) = 0 [pid 10911] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10911] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10924] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10924] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10911] <... futex resumed>) = 0 [pid 10911] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10911] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10924] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10927] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10924] <... bpf resumed>) = 6 [pid 10924] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] <... write resumed>) = 131072 [pid 10927] munmap(0x7fb91de38000, 138412032 [pid 10924] <... futex resumed>) = 1 [pid 10911] <... futex resumed>) = 0 [pid 10911] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10911] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10924] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10927] <... munmap resumed>) = 0 [pid 10927] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10927] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10924] <... bpf resumed>) = 7 [pid 10913] <... sendmsg resumed>) = 64 [pid 10913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10913] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10926] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10926] memfd_create("syzkaller", 0) = 3 [pid 10926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10926] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10916] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10916] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10916] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10927] close(3 [pid 10916] <... mprotect resumed>) = 0 [pid 10916] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10927] <... close resumed>) = 0 [pid 10916] <... clone3 resumed> => {parent_tid=[10928]}, 88) = 10928 [pid 10916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10916] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10916] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10928 attached [pid 10928] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10927] close(4 [pid 10924] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10926] <... write resumed>) = 131072 [pid 10928] <... bpf resumed>) = 5 [pid 10928] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10916] <... futex resumed>) = 0 [pid 10916] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10916] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10928] <... futex resumed>) = 1 [pid 10928] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10928] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10916] <... futex resumed>) = 0 [pid 10916] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10916] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10928] <... futex resumed>) = 1 [pid 10928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10928] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10916] <... futex resumed>) = 0 [pid 10916] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10916] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10928] <... futex resumed>) = 1 [pid 10928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10928] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10916] <... futex resumed>) = 0 [pid 10916] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10916] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10928] <... futex resumed>) = 1 [pid 10928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10927] <... close resumed>) = 0 [pid 10926] munmap(0x7fb91de38000, 138412032 [pid 10924] <... futex resumed>) = 1 [pid 10911] <... futex resumed>) = 0 [pid 10911] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10911] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10928] <... bpf resumed>) = 8 [pid 10927] mkdir("./file0", 0777 [pid 10926] <... munmap resumed>) = 0 [pid 10924] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10913] <... futex resumed>) = 0 [pid 10913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10928] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10927] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10928] <... futex resumed>) = 1 [pid 10926] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10916] <... futex resumed>) = 0 [pid 10913] <... bpf resumed>) = 8 [pid 10916] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10916] <... futex resumed>) = 0 [pid 10913] <... futex resumed>) = 1 [pid 10916] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10913] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10926] <... openat resumed>) = 4 [pid 10926] ioctl(4, LOOP_SET_FD, 3 [pid 10928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10927] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10911] <... futex resumed>) = 0 [pid 10911] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10911] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10927] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10913] <... futex resumed>) = 0 [pid 10913] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10926] <... ioctl resumed>) = 0 [pid 10927] <... openat resumed>) = 3 [pid 10926] close(3 [pid 10927] ioctl(3, LOOP_CLR_FD [pid 10926] <... close resumed>) = 0 [pid 10926] close(4 [pid 10928] <... bpf resumed>) = 9 [pid 10926] <... close resumed>) = 0 [pid 10913] <... bpf resumed>) = 9 [pid 10913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10911] <... futex resumed>) = 0 [pid 10913] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10911] exit_group(0 [pid 10924] <... futex resumed>) = ? [pid 10913] <... futex resumed>) = ? [pid 10911] <... exit_group resumed>) = ? [pid 10928] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10926] mkdir("./file0", 0777 [pid 10924] +++ exited with 0 +++ [pid 10913] +++ exited with 0 +++ [pid 10926] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10926] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10928] <... futex resumed>) = 1 [pid 10916] <... futex resumed>) = 0 [pid 10928] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10915] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10915] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10926] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10915] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10926] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 10915] <... clone3 resumed> => {parent_tid=[10929]}, 88) = 10929 [pid 10915] rt_sigprocmask(SIG_SETMASK, [], [pid 10917] <... sendmsg resumed>) = 64 [pid 10915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10915] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10916] exit_group(0) = ? [pid 10917] <... futex resumed>) = ? [pid 10917] +++ exited with 0 +++ [pid 10915] <... futex resumed>) = 0 [pid 10915] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10926] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 10929 attached [pid 10929] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10928] <... futex resumed>) = ? [pid 10929] <... bpf resumed>) = 5 [pid 10929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10915] <... futex resumed>) = 0 [pid 10915] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10915] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10929] <... futex resumed>) = 1 [pid 10929] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10915] <... futex resumed>) = 0 [pid 10915] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10929] <... futex resumed>) = 1 [pid 10915] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10915] <... futex resumed>) = 0 [pid 10915] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10915] <... futex resumed>) = 0 [pid 10915] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10911] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10911, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 10929] <... bpf resumed>) = 7 [pid 10929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10915] <... futex resumed>) = 0 [pid 10929] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10915] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10915] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10915] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10929] <... bpf resumed>) = 8 [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 10929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 10929] <... futex resumed>) = 1 [pid 10929] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10915] <... futex resumed>) = 0 [pid 10915] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10930 [pid 10915] <... futex resumed>) = 1 [pid 10915] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 10930 attached [pid 10930] set_robust_list(0x5555555916a0, 24) = 0 [pid 10930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10930] setpgid(0, 0) = 0 [pid 10930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10930] write(3, "1000", 4) = 4 [pid 10930] close(3 [pid 10929] <... futex resumed>) = 0 [pid 10929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10930] <... close resumed>) = 0 [pid 10930] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10930] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10930] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10927] <... ioctl resumed>) = 0 [pid 10926] <... ioctl resumed>) = 0 [pid 10927] close(3 [pid 10926] close(3 [pid 10927] <... close resumed>) = 0 [pid 10926] <... close resumed>) = 0 [pid 10927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] <... futex resumed>) = 1 [pid 10926] <... futex resumed>) = 1 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10926] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10923] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10927] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10926] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10923] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10927] <... socket resumed>) = 3 [pid 10926] <... socket resumed>) = 3 [pid 10927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] <... futex resumed>) = 1 [pid 10926] <... futex resumed>) = 1 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10926] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10923] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10928] +++ exited with 0 +++ [pid 10927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10916] +++ exited with 0 +++ [pid 10929] <... bpf resumed>) = 9 [pid 10927] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10926] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10923] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10916, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] <... socket resumed>) = 4 [pid 10926] <... socket resumed>) = 4 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 10930] <... mprotect resumed>) = 0 [pid 10929] <... futex resumed>) = 1 [pid 10927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10915] <... futex resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 10930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10929] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10927] <... futex resumed>) = 1 [pid 10926] <... futex resumed>) = 1 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10930] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10926] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10923] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 10932 attached [pid 10927] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10926] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10923] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... openat resumed>) = 3 [pid 10932] set_robust_list(0x7fb9262589a0, 24 [pid 10930] <... clone3 resumed> => {parent_tid=[10932]}, 88) = 10932 [pid 10927] <... sendto resumed>) = 32 [pid 10926] <... sendto resumed>) = 32 [pid 298] ioctl(3, LOOP_CLR_FD [pid 10932] <... set_robust_list resumed>) = 0 [pid 10930] rt_sigprocmask(SIG_SETMASK, [], [pid 10927] recvfrom(4, [pid 10926] recvfrom(4, [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10932] rt_sigprocmask(SIG_SETMASK, [], [pid 10930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10927] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10922}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10926] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10923}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 298] close(3 [pid 10932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10930] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 10927] <... futex resumed>) = 1 [pid 10926] <... futex resumed>) = 1 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10926] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10923] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [ 154.525019][T10927] loop1: detected capacity change from 0 to 256 [ 154.544403][T10927] exfat: Bad value for 'uid' [ 154.545367][T10926] loop0: detected capacity change from 0 to 256 [ 154.560990][T10926] exfat: Bad value for 'uid' [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10933 [pid 10927] getsockname(4, [pid 10926] getsockname(4, [pid 10923] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10927] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10922, nl_groups=00000000}, [116 => 12]) = 0 [pid 10926] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10923, nl_groups=00000000}, [116 => 12]) = 0 [pid 10927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10927] <... futex resumed>) = 1 [pid 10926] <... futex resumed>) = 1 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10930] <... futex resumed>) = 0 [pid 10927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10926] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10923] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10933 attached [pid 10932] memfd_create("syzkaller", 0 [pid 10930] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10933] set_robust_list(0x5555555916a0, 24 [pid 10932] <... memfd_create resumed>) = 3 [pid 10927] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xaa\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10926] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xab\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10923] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10933] <... set_robust_list resumed>) = 0 [pid 10932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10933] setpgid(0, 0) = 0 [pid 10933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10932] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10933] write(3, "1000", 4) = 4 [pid 10932] <... write resumed>) = 131072 [pid 10933] close(3 [pid 10932] munmap(0x7fb91de38000, 138412032 [pid 10933] <... close resumed>) = 0 [pid 10932] <... munmap resumed>) = 0 [pid 10932] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 10933] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10932] ioctl(4, LOOP_SET_FD, 3 [pid 10933] <... futex resumed>) = 0 [pid 10933] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10933] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10933] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10935]}, 88) = 10935 [pid 10933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10933] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10933] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10935 attached [pid 10935] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10935] memfd_create("syzkaller", 0) = 3 [pid 10935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10932] <... ioctl resumed>) = 0 [pid 10932] close(3) = 0 [pid 10932] close(4) = 0 [pid 10932] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10932] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10935] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10932] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10932] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10935] <... write resumed>) = 131072 [pid 10932] ioctl(3, LOOP_CLR_FD [pid 10935] munmap(0x7fb91de38000, 138412032) = 0 [pid 10935] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10935] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10935] close(3) = 0 [pid 10935] close(4) = 0 [pid 10935] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10935] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10919] <... sendmsg resumed>) = 64 [pid 10919] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10935] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10935] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10935] ioctl(3, LOOP_CLR_FD [pid 10919] <... futex resumed>) = 0 [pid 10919] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10915] exit_group(0 [pid 10929] <... futex resumed>) = ? [pid 10919] <... futex resumed>) = ? [pid 10915] <... exit_group resumed>) = ? [pid 10929] +++ exited with 0 +++ [pid 10919] +++ exited with 0 +++ [pid 10915] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10915, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10937 ./strace-static-x86_64: Process 10937 attached [pid 10937] set_robust_list(0x5555555916a0, 24) = 0 [pid 10937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10937] setpgid(0, 0) = 0 [pid 10937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10937] write(3, "1000", 4) = 4 [pid 10937] close(3) = 0 [pid 10932] <... ioctl resumed>) = 0 [pid 10932] close(3) = 0 [pid 10932] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10932] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10937] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10930] <... futex resumed>) = 0 [pid 10930] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10932] <... futex resumed>) = 0 [pid 10937] <... futex resumed>) = 0 [pid 10930] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10932] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10923] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10932] <... socket resumed>) = 3 [pid 10923] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10932] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10932] <... futex resumed>) = 1 [pid 10930] <... futex resumed>) = 0 [pid 10923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10932] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10930] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] <... mmap resumed>) = 0x7fb926217000 [pid 10922] <... mmap resumed>) = 0x7fb926217000 [pid 10937] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10930] <... futex resumed>) = 0 [pid 10923] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10922] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10932] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10930] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10932] <... socket resumed>) = 4 [pid 10923] <... mprotect resumed>) = 0 [pid 10922] <... mprotect resumed>) = 0 [pid 10932] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10932] <... futex resumed>) = 1 [pid 10930] <... futex resumed>) = 0 [pid 10923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10932] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10930] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10930] <... futex resumed>) = 0 [pid 10932] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10930] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10932] <... sendto resumed>) = 32 [pid 10922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10932] recvfrom(4, [pid 10923] <... clone3 resumed> => {parent_tid=[10938]}, 88) = 10938 [pid 10932] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10930}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10932] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] rt_sigprocmask(SIG_SETMASK, [], [pid 10932] <... futex resumed>) = 1 [pid 10930] <... futex resumed>) = 0 [pid 10923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10922] <... clone3 resumed> => {parent_tid=[10939]}, 88) = 10939 [pid 10932] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10930] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 10939 attached ./strace-static-x86_64: Process 10938 attached [pid 10937] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10923] <... futex resumed>) = 0 [pid 10922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10939] set_robust_list(0x7fb9262379a0, 24 [pid 10938] set_robust_list(0x7fb9262379a0, 24 [pid 10937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10923] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... set_robust_list resumed>) = 0 [pid 10938] <... set_robust_list resumed>) = 0 [pid 10937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10932] getsockname(4, [pid 10930] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] rt_sigprocmask(SIG_SETMASK, [], [pid 10938] rt_sigprocmask(SIG_SETMASK, [], [pid 10937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10932] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10930, nl_groups=00000000}, [116 => 12]) = 0 [pid 10930] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10937] <... mmap resumed>) = 0x7fb926238000 [pid 10932] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10932] <... futex resumed>) = 0 [pid 10930] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10937] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10932] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb2\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10930] <... futex resumed>) = 0 [pid 10939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10938] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10937] <... mprotect resumed>) = 0 [pid 10939] <... bpf resumed>) = 5 [pid 10938] <... bpf resumed>) = 5 [pid 10937] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10930] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10938] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10937] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10939] <... futex resumed>) = 1 [pid 10938] <... futex resumed>) = 1 [pid 10937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10938] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10923] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10937] <... clone3 resumed> => {parent_tid=[10941]}, 88) = 10941 [pid 10935] <... ioctl resumed>) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10938] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10937] rt_sigprocmask(SIG_SETMASK, [], [pid 10935] close(3 [pid 10923] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10939] <... bpf resumed>) = 0 [pid 10938] <... bpf resumed>) = 0 [pid 10937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10935] <... close resumed>) = 0 [pid 10939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10938] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10937] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10935] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = 1 [pid 10938] <... futex resumed>) = 1 [pid 10937] <... futex resumed>) = 0 [pid 10935] <... futex resumed>) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10938] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10937] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10935] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10933] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10933] <... futex resumed>) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10935] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10933] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10923] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10939] <... bpf resumed>) = 6 [pid 10938] <... bpf resumed>) = 6 [pid 10935] <... socket resumed>) = 3 [pid 10939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10938] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10935] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = 1 [pid 10938] <... futex resumed>) = 1 [pid 10935] <... futex resumed>) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10938] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10935] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10933] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10933] <... futex resumed>) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10938] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10935] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10933] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10923] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10922] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10939] <... bpf resumed>) = 7 [pid 10938] <... bpf resumed>) = 7 [pid 10935] <... socket resumed>) = 4 [pid 10939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10938] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10935] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = 1 [pid 10938] <... futex resumed>) = 1 [pid 10935] <... futex resumed>) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10938] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10935] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10933] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10933] <... futex resumed>) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10935] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10933] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10923] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10922] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10941 attached [pid 10939] <... bpf resumed>) = 8 [pid 10938] <... bpf resumed>) = 8 [pid 10935] <... sendto resumed>) = 32 [pid 10941] set_robust_list(0x7fb9262589a0, 24 [pid 10939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10938] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10935] recvfrom(4, [pid 10941] <... set_robust_list resumed>) = 0 [pid 10939] <... futex resumed>) = 1 [pid 10938] <... futex resumed>) = 1 [pid 10935] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10933}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10941] rt_sigprocmask(SIG_SETMASK, [], [pid 10939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10938] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10935] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10922] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10935] <... futex resumed>) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10938] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10935] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10933] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10923] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10922] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10941] memfd_create("syzkaller", 0 [pid 10939] <... bpf resumed>) = 9 [pid 10938] <... bpf resumed>) = 9 [pid 10935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10933] <... futex resumed>) = 0 [pid 10941] <... memfd_create resumed>) = 3 [pid 10939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10938] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10935] getsockname(4, [pid 10933] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10939] <... futex resumed>) = 1 [pid 10938] <... futex resumed>) = 1 [pid 10935] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10933, nl_groups=00000000}, [116 => 12]) = 0 [pid 10923] <... futex resumed>) = 0 [pid 10922] <... futex resumed>) = 0 [pid 10941] <... mmap resumed>) = 0x7fb91de38000 [pid 10939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10938] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10935] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10935] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10933] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10933] <... futex resumed>) = 0 [pid 10935] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb5\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 154.613297][T10932] loop3: detected capacity change from 0 to 256 [ 154.621612][T10932] exfat: Bad value for 'uid' [ 154.628773][T10935] loop2: detected capacity change from 0 to 256 [ 154.637841][T10935] exfat: Bad value for 'uid' [pid 10933] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10941] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10941] munmap(0x7fb91de38000, 138412032) = 0 [pid 10941] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10941] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10941] close(3) = 0 [pid 10941] close(4) = 0 [pid 10941] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10941] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10941] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10941] ioctl(3, LOOP_CLR_FD [pid 10930] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10930] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10930] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10930] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10943 attached => {parent_tid=[10943]}, 88) = 10943 [pid 10930] rt_sigprocmask(SIG_SETMASK, [], [pid 10943] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10930] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10930] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10943] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10943] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10930] <... futex resumed>) = 0 [pid 10943] <... futex resumed>) = 1 [pid 10930] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10930] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10943] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10943] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10930] <... futex resumed>) = 0 [pid 10930] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10930] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10943] <... futex resumed>) = 1 [pid 10943] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10943] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10930] <... futex resumed>) = 0 [pid 10930] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10943] <... futex resumed>) = 1 [pid 10930] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10943] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10943] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10943] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10930] <... futex resumed>) = 0 [pid 10930] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10930] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10943] <... futex resumed>) = 0 [pid 10943] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10943] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10930] <... futex resumed>) = 0 [pid 10943] <... futex resumed>) = 1 [pid 10930] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10943] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10930] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10943] <... bpf resumed>) = 9 [pid 10943] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10930] <... futex resumed>) = 0 [pid 10943] <... futex resumed>) = 1 [pid 10943] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10933] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10933] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10933] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10933] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10944]}, 88) = 10944 [pid 10933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 10944 attached [pid 10933] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10933] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10944] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10944] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10944] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10944] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10933] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10933] <... futex resumed>) = 0 [pid 10944] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10933] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10944] <... bpf resumed>) = 0 [pid 10944] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10944] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10933] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10933] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10944] <... bpf resumed>) = 6 [pid 10944] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10933] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10933] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10944] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10944] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10933] <... futex resumed>) = 0 [pid 10944] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10933] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10944] <... bpf resumed>) = 8 [pid 10933] <... futex resumed>) = 0 [pid 10944] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10933] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10944] <... futex resumed>) = 0 [pid 10933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10944] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10933] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10944] <... bpf resumed>) = 9 [pid 10933] <... futex resumed>) = 0 [pid 10944] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10933] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10944] <... futex resumed>) = 0 [pid 10933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10944] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10927] <... sendmsg resumed>) = 64 [pid 10941] <... ioctl resumed>) = 0 [pid 10927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10941] close(3 [pid 10927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10941] <... close resumed>) = 0 [pid 10922] exit_group(0 [pid 10941] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10939] <... futex resumed>) = ? [pid 10927] <... futex resumed>) = ? [pid 10922] <... exit_group resumed>) = ? [pid 10941] <... futex resumed>) = 1 [pid 10939] +++ exited with 0 +++ [pid 10937] <... futex resumed>) = 0 [pid 10927] +++ exited with 0 +++ [pid 10922] +++ exited with 0 +++ [pid 10941] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10937] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10941] <... socket resumed>) = 3 [pid 10937] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10922, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10941] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10937] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10941] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10937] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10941] <... futex resumed>) = 0 [pid 10937] <... futex resumed>) = 1 [pid 297] <... openat resumed>) = 3 [pid 10941] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10937] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] ioctl(3, LOOP_CLR_FD [pid 10941] <... socket resumed>) = 4 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10941] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10937] <... futex resumed>) = 0 [ 154.710434][T10941] loop4: detected capacity change from 0 to 256 [ 154.719861][T10941] exfat: Bad value for 'uid' [pid 297] close(3 [pid 10941] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10937] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 10937] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10937] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 10945 [pid 10941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10941] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 10941] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10937}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10941] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10937] <... futex resumed>) = 0 [pid 10941] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10937] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10937] <... futex resumed>) = 0 [pid 10941] getsockname(4, [pid 10937] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10941] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10937, nl_groups=00000000}, [116 => 12]) = 0 [pid 10941] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10937] <... futex resumed>) = 0 [pid 10937] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10941] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb9\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10937] <... futex resumed>) = 0 [pid 10937] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10945 attached [pid 10945] set_robust_list(0x5555555916a0, 24) = 0 [pid 10945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10945] setpgid(0, 0) = 0 [pid 10945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10945] write(3, "1000", 4) = 4 [pid 10945] close(3) = 0 [pid 10945] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10945] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10947 attached [pid 10947] set_robust_list(0x7fb9262589a0, 24 [pid 10945] <... clone3 resumed> => {parent_tid=[10947]}, 88) = 10947 [pid 10947] <... set_robust_list resumed>) = 0 [pid 10945] rt_sigprocmask(SIG_SETMASK, [], [pid 10947] rt_sigprocmask(SIG_SETMASK, [], [pid 10945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10945] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10947] memfd_create("syzkaller", 0) = 3 [pid 10947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10947] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10947] munmap(0x7fb91de38000, 138412032) = 0 [pid 10947] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10926] <... sendmsg resumed>) = 64 [pid 10947] <... openat resumed>) = 4 [pid 10926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10947] ioctl(4, LOOP_SET_FD, 3 [pid 10926] <... futex resumed>) = 0 [pid 10923] exit_group(0 [pid 10938] <... futex resumed>) = ? [pid 10923] <... exit_group resumed>) = ? [pid 10938] +++ exited with 0 +++ [pid 10926] +++ exited with 0 +++ [pid 10923] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10923, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10948 ./strace-static-x86_64: Process 10948 attached [pid 10948] set_robust_list(0x5555555916a0, 24) = 0 [pid 10947] <... ioctl resumed>) = 0 [pid 10948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10947] close(3 [pid 10935] <... sendmsg resumed>) = 64 [pid 10932] <... sendmsg resumed>) = 64 [pid 10948] <... prctl resumed>) = 0 [pid 10947] <... close resumed>) = 0 [pid 10935] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10932] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] setpgid(0, 0 [pid 10947] close(4 [pid 10935] <... futex resumed>) = 0 [pid 10932] <... futex resumed>) = 0 [pid 10935] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10932] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10948] <... setpgid resumed>) = 0 [pid 10947] <... close resumed>) = 0 [pid 10948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10947] mkdir("./file0", 0777 [pid 10933] exit_group(0 [pid 10930] exit_group(0 [pid 10948] <... openat resumed>) = 3 [pid 10947] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10944] <... futex resumed>) = ? [pid 10935] <... futex resumed>) = ? [pid 10933] <... exit_group resumed>) = ? [pid 10943] <... futex resumed>) = ? [pid 10932] <... futex resumed>) = ? [pid 10930] <... exit_group resumed>) = ? [pid 10948] write(3, "1000", 4 [pid 10947] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10944] +++ exited with 0 +++ [pid 10943] +++ exited with 0 +++ [pid 10948] <... write resumed>) = 4 [pid 10948] close(3) = 0 [pid 10948] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10948] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10935] +++ exited with 0 +++ [pid 10933] +++ exited with 0 +++ [pid 10948] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10947] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10932] +++ exited with 0 +++ [pid 10930] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 10948] <... mprotect resumed>) = 0 [pid 10947] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 298] <... restart_syscall resumed>) = 0 [pid 10948] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10947] <... openat resumed>) = 3 [pid 10947] ioctl(3, LOOP_CLR_FD [pid 10948] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 299] ioctl(3, LOOP_CLR_FD [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10948] <... clone3 resumed> => {parent_tid=[10949]}, 88) = 10949 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10948] rt_sigprocmask(SIG_SETMASK, [], [pid 298] <... openat resumed>) = 3 [pid 10948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] close(3 [pid 10948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] ioctl(3, LOOP_CLR_FD [pid 10948] <... futex resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] close(3./strace-static-x86_64: Process 10949 attached [pid 10949] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 298] <... close resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 10950 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10949] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10951 [pid 10937] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10937] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 10937] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10937] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10937] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10952]}, 88) = 10952 [pid 10937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10937] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10937] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10949] memfd_create("syzkaller", 0) = 3 [pid 10949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10949] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10949] munmap(0x7fb91de38000, 138412032) = 0 [pid 10949] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 10949] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10950 attached ./strace-static-x86_64: Process 10952 attached [pid 10950] set_robust_list(0x5555555916a0, 24) = 0 [pid 10950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10950] setpgid(0, 0) = 0 [pid 10950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10950] write(3, "1000", 4) = 4 [pid 10950] close(3) = 0 [pid 10950] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10950] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10950] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10953]}, 88) = 10953 [pid 10950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10950] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10950] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10951 attached [pid 10952] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10951] set_robust_list(0x5555555916a0, 24./strace-static-x86_64: Process 10953 attached [pid 10949] <... ioctl resumed>) = 0 [pid 10953] set_robust_list(0x7fb9262589a0, 24 [pid 10952] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10951] <... set_robust_list resumed>) = 0 [pid 10949] close(3 [pid 10953] <... set_robust_list resumed>) = 0 [pid 10952] <... bpf resumed>) = 5 [pid 10951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10949] <... close resumed>) = 0 [pid 10952] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10952] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10949] close(4 [pid 10951] <... prctl resumed>) = 0 [pid 10949] <... close resumed>) = 0 [pid 10953] rt_sigprocmask(SIG_SETMASK, [], [pid 10951] setpgid(0, 0 [pid 10949] mkdir("./file0", 0777 [pid 10937] <... futex resumed>) = 0 [pid 10953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10937] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10953] memfd_create("syzkaller", 0 [pid 10937] <... futex resumed>) = 1 [pid 10953] <... memfd_create resumed>) = 3 [pid 10952] <... futex resumed>) = 0 [pid 10937] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10952] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10953] <... mmap resumed>) = 0x7fb91de38000 [pid 10953] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10953] munmap(0x7fb91de38000, 138412032) = 0 [pid 10953] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10952] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10951] <... setpgid resumed>) = 0 [pid 10949] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10953] <... openat resumed>) = 4 [pid 10952] <... futex resumed>) = 1 [pid 10951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10949] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10937] <... futex resumed>) = 0 [pid 10952] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10937] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10953] ioctl(4, LOOP_SET_FD, 3 [pid 10952] <... bpf resumed>) = 6 [pid 10951] <... openat resumed>) = 3 [pid 10952] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10952] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 10937] <... futex resumed>) = 1 [pid 10952] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10937] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [ 154.798891][T10947] loop1: detected capacity change from 0 to 256 [ 154.814450][T10947] exfat: Bad value for 'uid' [ 154.832848][T10949] loop0: detected capacity change from 0 to 256 [pid 10937] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10952] <... futex resumed>) = 0 [pid 10937] <... futex resumed>) = 1 [pid 10952] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10937] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10951] write(3, "1000", 4 [pid 10949] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10951] <... write resumed>) = 4 [pid 10949] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10951] close(3 [pid 10949] <... openat resumed>) = 3 [pid 10951] <... close resumed>) = 0 [pid 10949] ioctl(3, LOOP_CLR_FD [pid 10951] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10951] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10951] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10951] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10951] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10954]}, 88) = 10954 [pid 10951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10951] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10951] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10954 attached [pid 10954] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10954] memfd_create("syzkaller", 0) = 3 [pid 10954] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10954] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10954] munmap(0x7fb91de38000, 138412032) = 0 [pid 10954] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10954] ioctl(4, LOOP_SET_FD, 3 [pid 10952] <... bpf resumed>) = 7 [pid 10953] <... ioctl resumed>) = 0 [pid 10952] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10954] <... ioctl resumed>) = 0 [pid 10953] close(3) = 0 [pid 10953] close(4) = 0 [pid 10953] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10952] <... futex resumed>) = 1 [pid 10953] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10952] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10937] <... futex resumed>) = 0 [pid 10947] <... ioctl resumed>) = 0 [pid 10937] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10952] <... futex resumed>) = 0 [pid 10937] <... futex resumed>) = 1 [pid 10947] close(3) = 0 [pid 10947] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10945] <... futex resumed>) = 0 [pid 10952] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10947] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10945] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10937] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10947] <... socket resumed>) = 3 [pid 10945] <... futex resumed>) = 0 [pid 10947] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10947] <... futex resumed>) = 0 [pid 10945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10947] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10945] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10947] <... socket resumed>) = 4 [pid 10945] <... futex resumed>) = 0 [pid 10947] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10947] <... futex resumed>) = 0 [pid 10945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10947] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10945] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10947] <... sendto resumed>) = 32 [pid 10945] <... futex resumed>) = 0 [pid 10947] recvfrom(4, [pid 10945] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10952] <... bpf resumed>) = 8 [pid 10947] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10945}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10952] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10947] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10945] <... futex resumed>) = 0 [pid 10947] getsockname(4, [pid 10945] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10947] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10945, nl_groups=00000000}, [116 => 12]) = 0 [pid 10945] <... futex resumed>) = 0 [pid 10947] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10947] <... futex resumed>) = 0 [pid 10945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10947] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc1\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10945] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10953] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10952] <... futex resumed>) = 1 [pid 10937] <... futex resumed>) = 0 [pid 10953] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10953] ioctl(3, LOOP_CLR_FD [pid 10937] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10952] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10937] <... futex resumed>) = 0 [pid 10937] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10954] close(3) = 0 [pid 10954] close(4) = 0 [pid 10952] <... bpf resumed>) = 9 [pid 10954] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10954] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10952] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10937] <... futex resumed>) = 0 [pid 10952] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10954] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10954] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 10954] ioctl(3, LOOP_CLR_FD [pid 10949] <... ioctl resumed>) = 0 [pid 10941] <... sendmsg resumed>) = 64 [pid 10949] close(3) = 0 [pid 10953] <... ioctl resumed>) = 0 [pid 10949] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10948] <... futex resumed>) = 0 [pid 10949] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10949] <... socket resumed>) = 3 [pid 10948] <... futex resumed>) = 0 [pid 10949] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10949] <... futex resumed>) = 0 [pid 10948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10949] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10949] <... socket resumed>) = 4 [pid 10948] <... futex resumed>) = 0 [pid 10949] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10949] <... futex resumed>) = 0 [pid 10948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10949] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10953] close(3 [pid 10948] <... futex resumed>) = 0 [pid 10941] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10937] exit_group(0 [pid 10948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10941] <... futex resumed>) = 0 [pid 10953] <... close resumed>) = 0 [pid 10937] <... exit_group resumed>) = ? [pid 10953] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10941] +++ exited with 0 +++ [pid 10953] <... futex resumed>) = 1 [pid 10952] <... futex resumed>) = ? [pid 10950] <... futex resumed>) = 0 [pid 10950] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10953] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10954] <... ioctl resumed>) = 0 [pid 10954] close(3) = 0 [pid 10954] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10952] +++ exited with 0 +++ [pid 10937] +++ exited with 0 +++ [pid 10950] <... futex resumed>) = 0 [pid 10953] <... socket resumed>) = 3 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10950] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 10953] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10951] <... futex resumed>) = 0 [pid 10951] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10951] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10954] <... futex resumed>) = 1 [pid 10954] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 10954] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10951] <... futex resumed>) = 0 [pid 10951] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10951] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10954] <... futex resumed>) = 1 [pid 10954] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 300] <... restart_syscall resumed>) = 0 [pid 10953] <... futex resumed>) = 1 [pid 10950] <... futex resumed>) = 0 [pid 10953] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10950] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10949] <... sendto resumed>) = 32 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10953] <... socket resumed>) = 4 [pid 10950] <... futex resumed>) = 0 [pid 10949] recvfrom(4, [pid 300] <... openat resumed>) = 3 [pid 10953] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10950] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10949] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10948}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 300] ioctl(3, LOOP_CLR_FD [pid 10953] <... futex resumed>) = 0 [pid 10950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10949] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10953] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10950] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10949] <... futex resumed>) = 1 [pid 10948] <... futex resumed>) = 0 [pid 300] close(3 [pid 10953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10950] <... futex resumed>) = 0 [pid 10949] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... close resumed>) = 0 [pid 10953] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10950] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10953] <... sendto resumed>) = 32 [pid 10949] getsockname(4, [pid 10948] <... futex resumed>) = 0 [pid 10953] recvfrom(4, [pid 10949] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10948, nl_groups=00000000}, [116 => 12]) = 0 [pid 10948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10956 [pid 10953] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10950}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10949] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10954] <... socket resumed>) = 4 [pid 10953] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10949] <... futex resumed>) = 0 [pid 10948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10954] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10953] <... futex resumed>) = 1 [pid 10950] <... futex resumed>) = 0 [pid 10949] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc4\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10948] <... futex resumed>) = 0 [pid 10954] <... futex resumed>) = 1 [pid 10953] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10951] <... futex resumed>) = 0 [pid 10950] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10954] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10951] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10951] <... futex resumed>) = 0 [pid 10950] <... futex resumed>) = 0 [pid 10948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10953] getsockname(4, [pid 10951] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10950] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10953] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10950, nl_groups=00000000}, [116 => 12]) = 0 [pid 10953] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10950] <... futex resumed>) = 0 [pid 10953] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 10956 attached [pid 10956] set_robust_list(0x5555555916a0, 24) = 0 [pid 10956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10956] setpgid(0, 0) = 0 [pid 10956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10956] write(3, "1000", 4) = 4 [pid 10956] close(3) = 0 [pid 10953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10950] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10953] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc6\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10950] <... futex resumed>) = 0 [pid 10950] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10956] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10956] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10956] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10954] <... sendto resumed>) = 32 [pid 10956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10954] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10951}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10954] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10951] <... futex resumed>) = 0 [pid 10954] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10951] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10951] <... futex resumed>) = 0 [pid 10954] getsockname(4, [pid 10951] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10954] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10951, nl_groups=00000000}, [116 => 12]) = 0 [pid 10956] <... clone3 resumed> => {parent_tid=[10959]}, 88) = 10959 [pid 10954] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10956] rt_sigprocmask(SIG_SETMASK, [], [pid 10954] <... futex resumed>) = 1 [pid 10951] <... futex resumed>) = 0 [pid 10956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10954] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10951] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10951] <... futex resumed>) = 0 [pid 10956] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10956] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10954] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc7\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10951] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10959 attached [pid 10959] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10959] memfd_create("syzkaller", 0) = 3 [pid 10959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10959] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10959] munmap(0x7fb91de38000, 138412032) = 0 [pid 10959] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 154.847685][T10949] exfat: Bad value for 'uid' [ 154.851093][T10953] loop3: detected capacity change from 0 to 256 [ 154.857811][T10954] loop2: detected capacity change from 0 to 256 [ 154.865324][T10953] exfat: Bad value for 'uid' [ 154.875984][T10954] exfat: Bad value for 'uid' [pid 10959] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10945] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 10945] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10945] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10959] close(3 [pid 10945] <... clone3 resumed> => {parent_tid=[10961]}, 88) = 10961 [pid 10945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10959] <... close resumed>) = 0 [pid 10945] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10959] close(4 [pid 10945] <... futex resumed>) = 0 [pid 10945] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10959] <... close resumed>) = 0 ./strace-static-x86_64: Process 10961 attached [pid 10961] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10961] rt_sigprocmask(SIG_SETMASK, [], [pid 10959] mkdir("./file0", 0777 [pid 10961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10961] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10961] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] <... futex resumed>) = 0 [pid 10945] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10961] <... futex resumed>) = 1 [pid 10961] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10961] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] <... futex resumed>) = 0 [pid 10959] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10945] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10961] <... futex resumed>) = 1 [pid 10961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10961] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] <... futex resumed>) = 0 [pid 10945] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10961] <... futex resumed>) = 1 [pid 10959] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10961] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10961] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] <... futex resumed>) = 0 [pid 10945] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10961] <... futex resumed>) = 1 [pid 10961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10961] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] <... futex resumed>) = 0 [pid 10945] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10945] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10961] <... futex resumed>) = 1 [pid 10961] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10959] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10961] <... bpf resumed>) = 9 [pid 10961] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] <... futex resumed>) = 0 [pid 10961] <... futex resumed>) = 1 [pid 10961] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10959] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10959] ioctl(3, LOOP_CLR_FD [pid 10948] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10948] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10948] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10948] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10950] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10948] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10950] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10950] <... futex resumed>) = 0 [pid 10950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10948] <... clone3 resumed> => {parent_tid=[10962]}, 88) = 10962 [pid 10950] <... mmap resumed>) = 0x7fb926217000 [pid 10950] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10948] rt_sigprocmask(SIG_SETMASK, [], [pid 10950] <... mprotect resumed>) = 0 [pid 10950] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10950] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10950] <... clone3 resumed> => {parent_tid=[10963]}, 88) = 10963 [pid 10948] <... futex resumed>) = 0 [pid 10950] rt_sigprocmask(SIG_SETMASK, [], [pid 10948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10950] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10950] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 10962 attached [pid 10951] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10951] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10962] set_robust_list(0x7fb9262379a0, 24 [pid 10951] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10951] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10962] <... set_robust_list resumed>) = 0 [pid 10951] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 10963 attached [pid 10951] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10963] set_robust_list(0x7fb9262379a0, 24 [pid 10951] <... mmap resumed>) = 0x7fb926217000 [pid 10951] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10963] <... set_robust_list resumed>) = 0 [pid 10951] <... mprotect resumed>) = 0 [pid 10963] rt_sigprocmask(SIG_SETMASK, [], [pid 10962] rt_sigprocmask(SIG_SETMASK, [], [pid 10951] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10964 attached [pid 10963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10951] <... clone3 resumed> => {parent_tid=[10964]}, 88) = 10964 [pid 10951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10951] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10951] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10964] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10963] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10962] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10964] rt_sigprocmask(SIG_SETMASK, [], [pid 10963] <... bpf resumed>) = 5 [pid 10963] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10950] <... futex resumed>) = 0 [pid 10963] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10962] <... bpf resumed>) = 5 [pid 10950] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10963] <... bpf resumed>) = 0 [pid 10950] <... futex resumed>) = 0 [pid 10963] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10950] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10963] <... futex resumed>) = 0 [pid 10950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10950] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10962] <... futex resumed>) = 1 [pid 10950] <... futex resumed>) = 0 [pid 10948] <... futex resumed>) = 0 [pid 10963] <... bpf resumed>) = 6 [pid 10962] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10950] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10964] <... bpf resumed>) = 5 [pid 10963] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] <... bpf resumed>) = 0 [pid 10950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10948] <... futex resumed>) = 0 [pid 10963] <... futex resumed>) = 0 [pid 10950] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10962] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10963] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10962] <... futex resumed>) = 0 [pid 10950] <... futex resumed>) = 0 [pid 10948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10963] <... bpf resumed>) = 7 [pid 10950] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10963] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10963] <... futex resumed>) = 1 [pid 10950] <... futex resumed>) = 0 [pid 10948] <... futex resumed>) = 0 [pid 10963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10950] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] <... bpf resumed>) = 6 [pid 10950] <... futex resumed>) = 0 [pid 10963] <... bpf resumed>) = 8 [pid 10962] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10950] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10951] <... futex resumed>) = 0 [pid 10964] <... futex resumed>) = 1 [pid 10963] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] <... futex resumed>) = 1 [pid 10951] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10948] <... futex resumed>) = 0 [pid 10963] <... futex resumed>) = 0 [pid 10951] <... futex resumed>) = 0 [pid 10950] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10963] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10951] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10950] <... futex resumed>) = 0 [pid 10948] <... futex resumed>) = 0 [pid 10964] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10963] <... bpf resumed>) = 9 [pid 10962] <... bpf resumed>) = 7 [pid 10950] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10963] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10963] <... futex resumed>) = 1 [pid 10962] <... futex resumed>) = 0 [pid 10950] <... futex resumed>) = 0 [pid 10948] <... futex resumed>) = 0 [pid 10963] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10962] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10964] <... bpf resumed>) = 0 [pid 10964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10951] <... futex resumed>) = 0 [pid 10964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10951] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] <... bpf resumed>) = 8 [pid 10951] <... futex resumed>) = 0 [pid 10951] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10962] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10964] <... bpf resumed>) = 6 [pid 10948] <... futex resumed>) = 0 [pid 10964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10962] <... futex resumed>) = 1 [pid 10948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10964] <... futex resumed>) = 1 [pid 10962] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10951] <... futex resumed>) = 0 [pid 10948] <... futex resumed>) = 0 [pid 10962] <... bpf resumed>) = 9 [pid 10948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10962] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10962] <... futex resumed>) = 0 [pid 10951] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10962] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10951] <... futex resumed>) = 0 [pid 10964] <... bpf resumed>) = 7 [pid 10951] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10951] <... futex resumed>) = 0 [pid 10951] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10951] <... futex resumed>) = 0 [pid 10951] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10964] <... bpf resumed>) = 8 [pid 10964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10951] <... futex resumed>) = 0 [pid 10964] <... futex resumed>) = 1 [pid 10951] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10951] <... futex resumed>) = 0 [pid 10964] <... bpf resumed>) = 9 [pid 10951] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10951] <... futex resumed>) = 0 [ 154.912987][T10959] loop4: detected capacity change from 0 to 256 [ 154.937177][T10959] exfat: Bad value for 'uid' [pid 10964] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10959] <... ioctl resumed>) = 0 [pid 10959] close(3) = 0 [pid 10959] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10959] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10956] <... futex resumed>) = 0 [pid 10956] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10959] <... futex resumed>) = 0 [pid 10956] <... futex resumed>) = 1 [pid 10959] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10956] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10959] <... socket resumed>) = 3 [pid 10959] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10956] <... futex resumed>) = 0 [pid 10959] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10956] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10956] <... futex resumed>) = 0 [pid 10959] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10956] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10959] <... socket resumed>) = 4 [pid 10959] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10956] <... futex resumed>) = 0 [pid 10959] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10956] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10956] <... futex resumed>) = 0 [pid 10959] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10956] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10959] <... sendto resumed>) = 32 [pid 10959] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10956}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10959] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10956] <... futex resumed>) = 0 [pid 10959] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10956] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10956] <... futex resumed>) = 0 [pid 10959] getsockname(4, [pid 10956] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10959] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10956, nl_groups=00000000}, [116 => 12]) = 0 [pid 10959] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10959] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10956] <... futex resumed>) = 0 [pid 10956] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10959] <... futex resumed>) = 0 [pid 10956] <... futex resumed>) = 1 [pid 10959] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xcc\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10956] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10947] <... sendmsg resumed>) = 64 [pid 10947] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10945] exit_group(0 [pid 10961] <... futex resumed>) = ? [pid 10947] <... futex resumed>) = ? [pid 10945] <... exit_group resumed>) = ? [pid 10961] +++ exited with 0 +++ [pid 10947] +++ exited with 0 +++ [pid 10945] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10945, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10966 ./strace-static-x86_64: Process 10966 attached [pid 10966] set_robust_list(0x5555555916a0, 24) = 0 [pid 10966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10966] setpgid(0, 0) = 0 [pid 10966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10966] write(3, "1000", 4) = 4 [pid 10966] close(3) = 0 [pid 10966] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10966] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10966] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 10967 attached => {parent_tid=[10967]}, 88) = 10967 [pid 10966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10967] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10967] memfd_create("syzkaller", 0) = 3 [pid 10967] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10967] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10967] munmap(0x7fb91de38000, 138412032) = 0 [pid 10967] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 154.977314][ T295] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 10967] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10967] close(3) = 0 [pid 10967] close(4) = 0 [pid 10967] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10967] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10953] <... sendmsg resumed>) = 64 [pid 10949] <... sendmsg resumed>) = 64 [pid 10953] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10950] exit_group(0 [pid 10949] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10963] <... futex resumed>) = ? [pid 10953] <... futex resumed>) = ? [pid 10950] <... exit_group resumed>) = ? [pid 10949] <... futex resumed>) = 0 [pid 10963] +++ exited with 0 +++ [pid 10949] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10967] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 10967] ioctl(3, LOOP_CLR_FD [pid 10953] +++ exited with 0 +++ [pid 10950] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10950, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10948] exit_group(0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 10962] <... futex resumed>) = ? [pid 10949] <... futex resumed>) = ? [pid 10948] <... exit_group resumed>) = ? [pid 10962] +++ exited with 0 +++ [pid 10949] +++ exited with 0 +++ [pid 299] <... restart_syscall resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10968 ./strace-static-x86_64: Process 10968 attached [pid 10968] set_robust_list(0x5555555916a0, 24) = 0 [pid 10968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10968] setpgid(0, 0) = 0 [pid 10968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10968] write(3, "1000", 4) = 4 [pid 10956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10968] close(3 [pid 10956] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 10968] <... close resumed>) = 0 [pid 10956] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10968] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10968] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10956] <... futex resumed>) = 0 [pid 10956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10956] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10968] <... mmap resumed>) = 0x7fb926238000 [pid 10968] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10956] <... clone3 resumed> => {parent_tid=[10969]}, 88) = 10969 [pid 10956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10968] <... mprotect resumed>) = 0 [pid 10956] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10969 attached [pid 10968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10956] <... futex resumed>) = 0 [pid 10956] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10969] set_robust_list(0x7fb9262379a0, 24 [pid 10968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10969] <... set_robust_list resumed>) = 0 [pid 10969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10969] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10969] <... bpf resumed>) = 5 [pid 10969] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10956] <... futex resumed>) = 0 [pid 10956] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10956] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10969] <... futex resumed>) = 1 ./strace-static-x86_64: Process 10970 attached [pid 10970] set_robust_list(0x7fb9262589a0, 24 [pid 10969] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10968] <... clone3 resumed> => {parent_tid=[10970]}, 88) = 10970 [pid 10970] <... set_robust_list resumed>) = 0 [pid 10970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10970] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] rt_sigprocmask(SIG_SETMASK, [], [pid 10969] <... bpf resumed>) = 0 [pid 10968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10969] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10956] <... futex resumed>) = 0 [pid 10956] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10956] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10969] <... futex resumed>) = 1 [pid 10968] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10970] <... futex resumed>) = 0 [pid 10968] <... futex resumed>) = 1 [pid 10969] <... bpf resumed>) = 6 [pid 10968] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10970] memfd_create("syzkaller", 0 [pid 10969] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10948] +++ exited with 0 +++ [pid 10970] <... memfd_create resumed>) = 3 [pid 10969] <... futex resumed>) = 1 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10948, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10956] <... futex resumed>) = 0 [pid 10970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10969] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10956] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] <... mmap resumed>) = 0x7fb91de38000 [pid 10969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10956] <... futex resumed>) = 0 [pid 10969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 10956] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10969] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10956] <... futex resumed>) = 0 [pid 10969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10956] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10956] <... futex resumed>) = 0 [pid 10969] <... bpf resumed>) = 8 [pid 10969] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10956] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10969] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10956] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10969] <... futex resumed>) = 0 [pid 10956] <... futex resumed>) = 1 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10970] <... write resumed>) = 131072 [pid 10969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10956] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... openat resumed>) = 3 [pid 10970] munmap(0x7fb91de38000, 138412032 [pid 294] ioctl(3, LOOP_CLR_FD [pid 10970] <... munmap resumed>) = 0 [pid 10969] <... bpf resumed>) = 9 [pid 10970] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10969] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10970] <... openat resumed>) = 4 [pid 10956] <... futex resumed>) = 0 [pid 294] close(3 [pid 10970] ioctl(4, LOOP_SET_FD, 3 [pid 10969] <... futex resumed>) = 1 [pid 294] <... close resumed>) = 0 [pid 10969] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10971 [ 155.025969][T10967] loop1: detected capacity change from 0 to 256 [ 155.033630][T10967] exfat: Bad value for 'uid' ./strace-static-x86_64: Process 10971 attached [pid 10971] set_robust_list(0x5555555916a0, 24) = 0 [pid 10971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10971] setpgid(0, 0) = 0 [pid 10971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10971] write(3, "1000", 4) = 4 [pid 10970] <... ioctl resumed>) = 0 [pid 10970] close(3) = 0 [pid 10970] close(4 [pid 10971] close(3 [pid 10970] <... close resumed>) = 0 [pid 10971] <... close resumed>) = 0 [pid 10971] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10970] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10971] <... futex resumed>) = 0 [pid 10971] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10971] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10971] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10972]}, 88) = 10972 [pid 10971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10971] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10971] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10972 attached [pid 10972] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10970] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10970] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10972] memfd_create("syzkaller", 0 [pid 10970] <... openat resumed>) = 3 [pid 10970] ioctl(3, LOOP_CLR_FD [pid 10972] <... memfd_create resumed>) = 3 [pid 10972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10972] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10972] munmap(0x7fb91de38000, 138412032) = 0 [pid 10954] <... sendmsg resumed>) = 64 [pid 10972] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10967] <... ioctl resumed>) = 0 [pid 10972] <... openat resumed>) = 4 [pid 10972] ioctl(4, LOOP_SET_FD, 3 [pid 10954] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10967] close(3 [pid 10954] <... futex resumed>) = 0 [pid 10954] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10967] <... close resumed>) = 0 [pid 10951] exit_group(0 [pid 10954] <... futex resumed>) = ? [pid 10967] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10964] <... futex resumed>) = ? [pid 10954] +++ exited with 0 +++ [pid 10951] <... exit_group resumed>) = ? [pid 10967] <... futex resumed>) = 1 [pid 10966] <... futex resumed>) = 0 [pid 10964] +++ exited with 0 +++ [pid 10967] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10966] <... futex resumed>) = 0 [pid 10967] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10967] <... socket resumed>) = 3 [pid 10967] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10966] <... futex resumed>) = 0 [pid 10967] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10966] <... futex resumed>) = 0 [pid 10967] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10967] <... socket resumed>) = 4 [pid 10967] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10966] <... futex resumed>) = 0 [pid 10967] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10966] <... futex resumed>) = 0 [pid 10967] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10972] <... ioctl resumed>) = 0 [pid 10967] <... sendto resumed>) = 32 [pid 10967] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10966}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10972] close(3 [pid 10967] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10966] <... futex resumed>) = 0 [pid 10967] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10966] <... futex resumed>) = 0 [pid 10967] getsockname(4, [pid 10966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10967] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10966, nl_groups=00000000}, [116 => 12]) = 0 [pid 10967] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10966] <... futex resumed>) = 0 [pid 10967] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10966] <... futex resumed>) = 0 [pid 10967] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd6\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10972] <... close resumed>) = 0 [pid 10972] close(4) = 0 [pid 10972] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10972] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10970] <... ioctl resumed>) = 0 [pid 10970] close(3) = 0 [pid 10970] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10970] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] <... futex resumed>) = 0 [pid 10970] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10968] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10970] <... socket resumed>) = 3 [pid 10970] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10970] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] <... futex resumed>) = 0 [pid 10970] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10968] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10970] <... socket resumed>) = 4 [pid 10970] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10970] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] <... futex resumed>) = 0 [pid 10970] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10968] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10970] <... sendto resumed>) = 32 [pid 10959] <... sendmsg resumed>) = 64 [pid 10970] recvfrom(4, [pid 10959] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10968}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10959] <... futex resumed>) = 0 [pid 10970] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10959] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10970] <... futex resumed>) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10956] exit_group(0 [pid 10970] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] <... futex resumed>) = 0 [pid 10970] getsockname(4, [pid 10969] <... futex resumed>) = ? [pid 10968] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10959] <... futex resumed>) = ? [pid 10956] <... exit_group resumed>) = ? [pid 10970] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10968, nl_groups=00000000}, [116 => 12]) = 0 [pid 10969] +++ exited with 0 +++ [pid 10959] +++ exited with 0 +++ [pid 10970] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10970] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] <... futex resumed>) = 0 [pid 10970] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd8\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10968] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10972] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10972] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 10972] ioctl(3, LOOP_CLR_FD [pid 10951] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 10956] +++ exited with 0 +++ [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10956, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] close(3 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 298] <... close resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 10975 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10976 ./strace-static-x86_64: Process 10975 attached ./strace-static-x86_64: Process 10976 attached [pid 10975] set_robust_list(0x5555555916a0, 24) = 0 [pid 10975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10975] setpgid(0, 0) = 0 [pid 10975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10975] write(3, "1000", 4) = 4 [pid 10975] close(3) = 0 [pid 10975] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10975] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10975] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10976] set_robust_list(0x5555555916a0, 24 [pid 10975] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10976] <... set_robust_list resumed>) = 0 [pid 10975] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10976] setpgid(0, 0) = 0 [pid 10975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [ 155.076067][T10970] loop3: detected capacity change from 0 to 256 [ 155.087111][T10970] exfat: Bad value for 'uid' [ 155.102692][T10972] loop0: detected capacity change from 0 to 256 [ 155.115356][T10972] exfat: Bad value for 'uid' [pid 10976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 10977 attached [pid 10975] <... clone3 resumed> => {parent_tid=[10977]}, 88) = 10977 [pid 10977] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10977] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10975] rt_sigprocmask(SIG_SETMASK, [], [pid 10976] <... openat resumed>) = 3 [pid 10976] write(3, "1000", 4) = 4 [pid 10976] close(3) = 0 [pid 10976] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10976] <... futex resumed>) = 0 [pid 10976] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10976] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10975] <... futex resumed>) = 1 [pid 10977] <... futex resumed>) = 0 [pid 10976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10977] memfd_create("syzkaller", 0 [pid 10976] <... mmap resumed>) = 0x7fb926238000 [pid 10977] <... memfd_create resumed>) = 3 [pid 10977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10976] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 10977] <... mmap resumed>) = 0x7fb91de38000 [pid 10976] <... mprotect resumed>) = 0 [pid 10976] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10978]}, 88) = 10978 [pid 10976] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10976] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10976] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10978 attached [pid 10978] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10978] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10978] memfd_create("syzkaller", 0) = 3 [pid 10978] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10977] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10977] munmap(0x7fb91de38000, 138412032) = 0 [pid 10977] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 10977] ioctl(4, LOOP_SET_FD, 3 [pid 10966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10966] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10966] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10979]}, 88) = 10979 [pid 10966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10978] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10972] <... ioctl resumed>) = 0 [pid 10972] close(3) = 0 [pid 10972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10971] <... futex resumed>) = 0 [pid 10972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10971] <... futex resumed>) = 0 [pid 10972] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10971] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10972] <... socket resumed>) = 3 [pid 10972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10971] <... futex resumed>) = 0 [pid 10972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10971] <... futex resumed>) = 0 [pid 10972] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10971] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10972] <... socket resumed>) = 4 [pid 10972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10971] <... futex resumed>) = 0 [pid 10972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10971] <... futex resumed>) = 0 [pid 10972] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10971] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10972] <... sendto resumed>) = 32 [pid 10972] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10971}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10971] <... futex resumed>) = 0 [pid 10972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10971] <... futex resumed>) = 0 [pid 10972] getsockname(4, [pid 10971] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10972] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10971, nl_groups=00000000}, [116 => 12]) = 0 [pid 10972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10971] <... futex resumed>) = 0 [pid 10972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10971] <... futex resumed>) = 0 [pid 10972] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdb\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10971] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10978] <... write resumed>) = 131072 [pid 10978] munmap(0x7fb91de38000, 138412032) = 0 [pid 10978] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10978] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 10979 attached [pid 10979] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10979] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10966] <... futex resumed>) = 0 [pid 10966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10979] <... futex resumed>) = 1 [pid 10979] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10979] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10966] <... futex resumed>) = 0 [pid 10966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10979] <... futex resumed>) = 1 [pid 10979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 10978] <... ioctl resumed>) = 0 [pid 10968] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10979] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10978] close(3 [pid 10977] <... ioctl resumed>) = 0 [pid 10968] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10979] <... futex resumed>) = 1 [pid 10978] <... close resumed>) = 0 [pid 10977] close(3 [pid 10968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10966] <... futex resumed>) = 0 [pid 10966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10968] <... mmap resumed>) = 0x7fb926217000 [pid 10978] close(4 [pid 10979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10978] <... close resumed>) = 0 [pid 10977] <... close resumed>) = 0 [pid 10968] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10968] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10981]}, 88) = 10981 [pid 10968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10968] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10968] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10978] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10978] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 10981 attached [pid 10979] <... bpf resumed>) = 7 [pid 10978] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10977] close(4 [pid 10981] set_robust_list(0x7fb9262379a0, 24 [pid 10979] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10978] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10977] <... close resumed>) = 0 [pid 10978] <... openat resumed>) = 3 [pid 10978] ioctl(3, LOOP_CLR_FD [pid 10981] <... set_robust_list resumed>) = 0 [pid 10981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10981] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10981] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] <... futex resumed>) = 0 [pid 10981] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10979] <... futex resumed>) = 1 [pid 10977] mkdir("./file0", 0777 [pid 10968] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10966] <... futex resumed>) = 0 [pid 10979] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10977] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10977] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10966] <... futex resumed>) = 0 [pid 10981] <... bpf resumed>) = 0 [pid 10979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10981] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] <... futex resumed>) = 0 [pid 10981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10968] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10981] <... bpf resumed>) = 6 [pid 10981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10981] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10977] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10968] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] <... futex resumed>) = 0 [pid 10979] <... bpf resumed>) = 8 [pid 10977] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10968] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10979] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10979] <... futex resumed>) = 1 [pid 10977] <... openat resumed>) = 3 [pid 10966] <... futex resumed>) = 0 [pid 10979] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10977] ioctl(3, LOOP_CLR_FD [pid 10966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10966] <... futex resumed>) = 0 [pid 10979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10979] <... bpf resumed>) = 9 [pid 10979] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10966] <... futex resumed>) = 0 [pid 10981] <... bpf resumed>) = 7 [pid 10979] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10981] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10968] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 10981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10968] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10968] <... futex resumed>) = 0 [pid 10968] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10981] <... bpf resumed>) = 9 [pid 10981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10968] <... futex resumed>) = 0 [pid 10981] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10967] <... sendmsg resumed>) = 64 [pid 10978] <... ioctl resumed>) = 0 [pid 10967] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10978] close(3 [pid 10967] <... futex resumed>) = 0 [pid 10978] <... close resumed>) = 0 [pid 10967] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10978] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10976] <... futex resumed>) = 0 [pid 10978] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10976] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10976] <... futex resumed>) = 0 [pid 10978] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10976] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10978] <... socket resumed>) = 3 [pid 10966] exit_group(0 [pid 10978] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10967] <... futex resumed>) = ? [pid 10966] <... exit_group resumed>) = ? [pid 10979] <... futex resumed>) = ? [pid 10978] <... futex resumed>) = 1 [pid 10976] <... futex resumed>) = 0 [pid 10967] +++ exited with 0 +++ [pid 10978] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10976] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10976] <... futex resumed>) = 0 [pid 10978] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10976] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10978] <... socket resumed>) = 4 [pid 10978] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10976] <... futex resumed>) = 0 [pid 10978] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10976] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10976] <... futex resumed>) = 0 [pid 10971] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10978] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10976] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10971] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10977] <... ioctl resumed>) = 0 [pid 10977] close(3 [pid 10978] <... sendto resumed>) = 32 [pid 10977] <... close resumed>) = 0 [pid 10971] <... futex resumed>) = 0 [pid 10978] recvfrom(4, [pid 10971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10978] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10976}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10977] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10971] <... mmap resumed>) = 0x7fb926217000 [pid 10978] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10971] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10978] <... futex resumed>) = 1 [pid 10976] <... futex resumed>) = 0 [pid 10971] <... mprotect resumed>) = 0 [pid 10978] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10976] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10971] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10977] <... futex resumed>) = 1 [pid 10976] <... futex resumed>) = 0 [pid 10975] <... futex resumed>) = 0 [pid 10971] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10978] getsockname(4, [pid 10977] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10976] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10978] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10976, nl_groups=00000000}, [116 => 12]) = 0 [pid 10977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10975] <... futex resumed>) = 0 ./strace-static-x86_64: Process 10982 attached [pid 10978] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10977] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10971] <... clone3 resumed> => {parent_tid=[10982]}, 88) = 10982 [pid 10982] set_robust_list(0x7fb9262379a0, 24 [pid 10978] <... futex resumed>) = 1 [pid 10977] <... socket resumed>) = 3 [pid 10976] <... futex resumed>) = 0 [pid 10971] rt_sigprocmask(SIG_SETMASK, [], [pid 10982] <... set_robust_list resumed>) = 0 [pid 10978] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10977] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10976] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10982] rt_sigprocmask(SIG_SETMASK, [], [pid 10977] <... futex resumed>) = 1 [pid 10982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10977] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10982] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10976] <... futex resumed>) = 0 [pid 10975] <... futex resumed>) = 0 [pid 10971] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10978] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe0\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10976] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10971] <... futex resumed>) = 1 [pid 10977] <... futex resumed>) = 0 [pid 10975] <... futex resumed>) = 1 [pid 10971] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10982] <... futex resumed>) = 0 [pid 10982] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 10977] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10977] <... socket resumed>) = 4 [pid 10982] <... futex resumed>) = 1 [pid 10977] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10971] <... futex resumed>) = 0 [pid 10982] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10977] <... futex resumed>) = 1 [pid 10975] <... futex resumed>) = 0 [pid 10971] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10971] <... futex resumed>) = 0 [pid 10975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10971] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10977] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10982] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10982] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] <... futex resumed>) = 0 [pid 10971] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10977] <... sendto resumed>) = 32 [pid 10977] recvfrom(4, [pid 10982] <... futex resumed>) = 0 [pid 10977] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10975}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10971] <... futex resumed>) = 1 [pid 10982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10977] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10982] <... bpf resumed>) = 6 [pid 10977] <... futex resumed>) = 1 [pid 10975] <... futex resumed>) = 0 [pid 10971] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10977] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10982] <... futex resumed>) = 0 [pid 10977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10975] <... futex resumed>) = 0 [pid 10971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10977] getsockname(4, [pid 10975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10971] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10977] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10975, nl_groups=00000000}, [116 => 12]) = 0 [pid 10971] <... futex resumed>) = 0 [pid 10982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10977] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10971] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10977] <... futex resumed>) = 1 [pid 10975] <... futex resumed>) = 0 [pid 10977] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10975] <... futex resumed>) = 0 [pid 10977] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdf\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 155.164148][T10977] loop2: detected capacity change from 0 to 256 [ 155.174204][T10978] loop4: detected capacity change from 0 to 256 [ 155.188153][T10978] exfat: Bad value for 'uid' [ 155.199032][T10977] exfat: Bad value for 'uid' [pid 10975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10970] <... sendmsg resumed>) = 64 [pid 10970] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10970] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10968] exit_group(0 [pid 10981] <... futex resumed>) = ? [pid 10970] <... futex resumed>) = ? [pid 10968] <... exit_group resumed>) = ? [pid 10981] +++ exited with 0 +++ [pid 10982] <... bpf resumed>) = 7 [pid 10979] +++ exited with 0 +++ [pid 10966] +++ exited with 0 +++ [pid 10982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10971] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10966, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 10982] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 10982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10971] <... futex resumed>) = 0 [pid 10982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10971] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... restart_syscall resumed>) = 0 [pid 10982] <... bpf resumed>) = 8 [pid 10982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10971] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10971] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... openat resumed>) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 10971] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 10971] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10985 ./strace-static-x86_64: Process 10985 attached [pid 10985] set_robust_list(0x5555555916a0, 24) = 0 [pid 10985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10985] setpgid(0, 0) = 0 [pid 10985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10985] write(3, "1000", 4) = 4 [pid 10985] close(3) = 0 [pid 10985] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10985] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10985] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10985] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10986]}, 88) = 10986 [pid 10985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10986 attached [pid 10986] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10986] memfd_create("syzkaller", 0) = 3 [pid 10986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10986] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10986] munmap(0x7fb91de38000, 138412032) = 0 [pid 10986] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 10986] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 10986] close(3) = 0 [pid 10986] close(4 [pid 10970] +++ exited with 0 +++ [pid 10968] +++ exited with 0 +++ [pid 10986] <... close resumed>) = 0 [pid 10982] <... bpf resumed>) = 9 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 10982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10971] <... futex resumed>) = 0 [pid 10982] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 10987 [pid 10986] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10986] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 10987 attached ) = -1 EINVAL (Invalid argument) [pid 10976] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10987] set_robust_list(0x5555555916a0, 24 [pid 10976] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] <... set_robust_list resumed>) = 0 [pid 10976] <... futex resumed>) = 0 [pid 10987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10972] <... sendmsg resumed>) = 64 [pid 10987] <... prctl resumed>) = 0 [pid 10976] <... mmap resumed>) = 0x7fb926217000 [pid 10972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] setpgid(0, 0 [pid 10976] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10987] <... setpgid resumed>) = 0 [pid 10976] <... mprotect resumed>) = 0 [pid 10987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10986] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 10976] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10972] <... futex resumed>) = 0 [pid 10987] <... openat resumed>) = 3 [pid 10976] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10987] write(3, "1000", 4 [pid 10976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 10988 attached [pid 10987] <... write resumed>) = 4 [pid 10986] <... openat resumed>) = 3 [pid 10972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10971] exit_group(0 [pid 10987] close(3 [pid 10982] <... futex resumed>) = ? [pid 10976] <... clone3 resumed> => {parent_tid=[10988]}, 88) = 10988 [pid 10972] <... futex resumed>) = ? [pid 10971] <... exit_group resumed>) = ? [pid 10988] set_robust_list(0x7fb9262379a0, 24 [pid 10987] <... close resumed>) = 0 [pid 10986] ioctl(3, LOOP_CLR_FD [pid 10982] +++ exited with 0 +++ [pid 10976] rt_sigprocmask(SIG_SETMASK, [], [pid 10972] +++ exited with 0 +++ [pid 10987] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10988] <... set_robust_list resumed>) = 0 [pid 10987] <... futex resumed>) = 0 [pid 10976] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10971] +++ exited with 0 +++ [pid 10988] rt_sigprocmask(SIG_SETMASK, [], [pid 10987] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 10976] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10971, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 10987] <... rt_sigaction resumed>NULL, 8) = 0 [pid 10976] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... openat resumed>) = 3 [pid 10988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 10987] <... mmap resumed>) = 0x7fb926238000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10987] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10987] <... mprotect resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 10989 ./strace-static-x86_64: Process 10989 attached [pid 10989] set_robust_list(0x5555555916a0, 24) = 0 [pid 10989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 10989] setpgid(0, 0) = 0 [pid 10989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 10989] write(3, "1000", 4) = 4 [pid 10989] close(3) = 0 [pid 10989] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10989] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10975] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 10989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 10975] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 10975] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 10975] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[10990]}, 88) = 10990 [pid 10975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10989] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10987] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10991]}, 88) = 10991 [pid 10989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10987] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 10989] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10987] <... clone3 resumed> => {parent_tid=[10992]}, 88) = 10992 [pid 10987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10987] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10987] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10989] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 10990 attached [pid 10990] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 10990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10990] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 10991 attached [pid 10988] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10991] set_robust_list(0x7fb9262589a0, 24 [pid 10988] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 10992 attached [pid 10988] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10991] <... set_robust_list resumed>) = 0 [pid 10992] set_robust_list(0x7fb9262589a0, 24 [pid 10990] <... bpf resumed>) = 5 [pid 10990] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10975] <... futex resumed>) = 0 [pid 10975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10990] <... futex resumed>) = 1 [pid 10990] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10990] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10975] <... futex resumed>) = 0 [pid 10975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10990] <... futex resumed>) = 1 [pid 10988] <... futex resumed>) = 1 [pid 10976] <... futex resumed>) = 0 [pid 10991] rt_sigprocmask(SIG_SETMASK, [], [pid 10976] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10976] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10992] <... set_robust_list resumed>) = 0 [pid 10991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10988] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 10991] memfd_create("syzkaller", 0 [pid 10988] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10991] <... memfd_create resumed>) = 3 [pid 10976] <... futex resumed>) = 0 [pid 10988] <... futex resumed>) = 1 [pid 10976] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10976] <... futex resumed>) = 0 [pid 10992] rt_sigprocmask(SIG_SETMASK, [], [pid 10991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 10976] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10990] <... bpf resumed>) = 6 [pid 10990] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10975] <... futex resumed>) = 0 [pid 10975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10990] <... futex resumed>) = 1 [pid 10988] <... bpf resumed>) = 6 [pid 10990] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10988] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10992] memfd_create("syzkaller", 0 [pid 10988] <... futex resumed>) = 1 [pid 10976] <... futex resumed>) = 0 [pid 10991] <... mmap resumed>) = 0x7fb91de38000 [pid 10988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10976] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10976] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10992] <... memfd_create resumed>) = 3 [pid 10992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10991] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10992] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10991] <... write resumed>) = 131072 [pid 10991] munmap(0x7fb91de38000, 138412032 [pid 10992] munmap(0x7fb91de38000, 138412032 [pid 10991] <... munmap resumed>) = 0 [pid 10990] <... bpf resumed>) = 7 [pid 10988] <... bpf resumed>) = 7 [pid 10986] <... ioctl resumed>) = 0 [pid 10988] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10986] close(3 [pid 10988] <... futex resumed>) = 1 [pid 10986] <... close resumed>) = 0 [pid 10976] <... futex resumed>) = 0 [pid 10988] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10976] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10986] <... futex resumed>) = 1 [pid 10985] <... futex resumed>) = 0 [pid 10976] <... futex resumed>) = 0 [pid 10988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10976] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10985] <... futex resumed>) = 0 [pid 10986] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10986] <... socket resumed>) = 3 [pid 10986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10988] <... bpf resumed>) = 8 [pid 10986] <... futex resumed>) = 1 [pid 10985] <... futex resumed>) = 0 [pid 10986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10985] <... futex resumed>) = 0 [pid 10986] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10988] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10986] <... socket resumed>) = 4 [pid 10988] <... futex resumed>) = 1 [pid 10986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10976] <... futex resumed>) = 0 [pid 10988] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10986] <... futex resumed>) = 1 [pid 10985] <... futex resumed>) = 0 [pid 10976] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10976] <... futex resumed>) = 0 [pid 10988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10985] <... futex resumed>) = 0 [pid 10976] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10992] <... munmap resumed>) = 0 [pid 10988] <... bpf resumed>) = 9 [pid 10986] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10992] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 10991] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 10990] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10988] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10986] <... sendto resumed>) = 32 [pid 10990] <... futex resumed>) = 1 [pid 10988] <... futex resumed>) = 1 [pid 10986] recvfrom(4, [pid 10976] <... futex resumed>) = 0 [pid 10975] <... futex resumed>) = 0 [pid 10991] <... openat resumed>) = 4 [pid 10986] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10985}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [ 155.271324][T10986] loop1: detected capacity change from 0 to 256 [ 155.282703][T10986] exfat: Bad value for 'uid' [pid 10975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10992] <... openat resumed>) = 4 [pid 10991] ioctl(4, LOOP_SET_FD, 3 [pid 10990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10988] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10975] <... futex resumed>) = 0 [pid 10986] <... futex resumed>) = 1 [pid 10985] <... futex resumed>) = 0 [pid 10975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10985] <... futex resumed>) = 0 [pid 10986] getsockname(4, [pid 10985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10986] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10985, nl_groups=00000000}, [116 => 12]) = 0 [pid 10986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10985] <... futex resumed>) = 0 [pid 10986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10985] <... futex resumed>) = 0 [pid 10986] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe9\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10992] ioctl(4, LOOP_SET_FD, 3 [pid 10991] <... ioctl resumed>) = 0 [pid 10990] <... bpf resumed>) = 8 [pid 10991] close(3) = 0 [pid 10991] close(4) = 0 [pid 10991] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10991] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 10992] <... ioctl resumed>) = 0 [pid 10990] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10975] <... futex resumed>) = 0 [pid 10975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10990] <... futex resumed>) = 1 [pid 10990] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 10992] close(3) = 0 [pid 10992] close(4) = 0 [pid 10991] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 10990] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10991] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 10991] ioctl(3, LOOP_CLR_FD [pid 10975] <... futex resumed>) = 0 [pid 10990] <... futex resumed>) = 1 [pid 10990] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10992] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 10992] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10992] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 10992] ioctl(3, LOOP_CLR_FD [pid 10978] <... sendmsg resumed>) = 64 [pid 10978] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10978] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10976] exit_group(0 [pid 10978] <... futex resumed>) = ? [pid 10988] <... futex resumed>) = ? [pid 10976] <... exit_group resumed>) = ? [pid 10988] +++ exited with 0 +++ [pid 10978] +++ exited with 0 +++ [pid 10992] <... ioctl resumed>) = 0 [pid 10992] close(3) = 0 [pid 10991] <... ioctl resumed>) = 0 [pid 10985] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10976] +++ exited with 0 +++ [pid 10991] close(3 [pid 10985] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10976, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 10992] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10991] <... close resumed>) = 0 [pid 10985] <... futex resumed>) = 0 [pid 10992] <... futex resumed>) = 1 [pid 10991] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] <... futex resumed>) = 0 [pid 10985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10992] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10991] <... futex resumed>) = 1 [pid 10989] <... futex resumed>) = 0 [pid 10987] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10985] <... mmap resumed>) = 0x7fb926217000 [pid 10991] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10989] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] <... futex resumed>) = 0 [pid 10985] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10991] <... socket resumed>) = 3 [pid 10989] <... futex resumed>) = 0 [pid 10987] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10985] <... mprotect resumed>) = 0 [pid 10992] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10991] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10989] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10985] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10992] <... socket resumed>) = 3 [pid 10991] <... futex resumed>) = 0 [pid 10989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10985] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 10992] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10991] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10989] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 300] <... openat resumed>) = 3 [pid 10992] <... futex resumed>) = 1 [pid 10991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10989] <... futex resumed>) = 0 [pid 10987] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 10992] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10991] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10989] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10987] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10985] <... clone3 resumed> => {parent_tid=[10994]}, 88) = 10994 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 10992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10991] <... socket resumed>) = 4 [pid 10987] <... futex resumed>) = 0 [pid 10985] rt_sigprocmask(SIG_SETMASK, [], [pid 300] close(3./strace-static-x86_64: Process 10994 attached [pid 10992] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10991] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... close resumed>) = 0 [pid 10994] set_robust_list(0x7fb9262379a0, 24 [pid 10991] <... futex resumed>) = 1 [pid 10989] <... futex resumed>) = 0 [pid 10985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 10994] <... set_robust_list resumed>) = 0 [pid 10992] <... socket resumed>) = 4 [pid 10991] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10989] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10985] <... futex resumed>) = 0 [pid 10994] rt_sigprocmask(SIG_SETMASK, [], [pid 10992] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10989] <... futex resumed>) = 0 [pid 10985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10992] <... futex resumed>) = 1 [pid 10991] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10989] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10987] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 10995 [pid 10994] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10992] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10991] <... sendto resumed>) = 32 [pid 10987] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10995 attached [pid 10994] <... bpf resumed>) = 5 [pid 10992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10991] recvfrom(4, [pid 10987] <... futex resumed>) = 0 [pid 10995] set_robust_list(0x5555555916a0, 24 [pid 10994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10992] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10991] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10989}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10987] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10995] <... set_robust_list resumed>) = 0 [pid 10994] <... futex resumed>) = 1 [pid 10992] <... sendto resumed>) = 32 [pid 10991] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10985] <... futex resumed>) = 0 [pid 10994] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10992] recvfrom(4, [pid 10991] <... futex resumed>) = 1 [pid 10989] <... futex resumed>) = 0 [pid 10985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10992] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10987}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10991] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10989] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 10994] <... bpf resumed>) = 0 [pid 10992] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10989] <... futex resumed>) = 0 [pid 10985] <... futex resumed>) = 0 [pid 10994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10992] <... futex resumed>) = 1 [pid 10991] getsockname(4, [pid 10989] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10987] <... futex resumed>) = 0 [pid 10985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10995] <... prctl resumed>) = 0 [pid 10994] <... futex resumed>) = 0 [pid 10992] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10991] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10989, nl_groups=00000000}, [116 => 12]) = 0 [pid 10987] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10995] setpgid(0, 0 [pid 10994] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10991] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] <... futex resumed>) = 0 [pid 10985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] <... setpgid resumed>) = 0 [pid 10994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10992] getsockname(4, [pid 10991] <... futex resumed>) = 1 [pid 10989] <... futex resumed>) = 0 [pid 10987] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10985] <... futex resumed>) = 0 [pid 10995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 10994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10992] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10987, nl_groups=00000000}, [116 => 12]) = 0 [pid 10991] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xed\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10989] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10995] <... openat resumed>) = 3 [pid 10994] <... bpf resumed>) = 6 [pid 10992] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10989] <... futex resumed>) = 0 [pid 10995] write(3, "1000", 4 [pid 10994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10992] <... futex resumed>) = 1 [pid 10989] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10987] <... futex resumed>) = 0 [pid 10994] <... futex resumed>) = 1 [pid 10992] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10987] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10985] <... futex resumed>) = 0 [pid 10995] <... write resumed>) = 4 [pid 10994] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10987] <... futex resumed>) = 0 [pid 10985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10992] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xeb\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10987] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10985] <... futex resumed>) = 0 [pid 10995] close(3 [pid 10994] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10994] <... bpf resumed>) = 7 [pid 10995] <... close resumed>) = 0 [pid 10994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10985] <... futex resumed>) = 0 [pid 10994] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10985] <... futex resumed>) = 0 [ 155.313840][T10991] loop0: detected capacity change from 0 to 256 [ 155.315900][T10992] loop3: detected capacity change from 0 to 256 [ 155.329780][T10991] exfat: Bad value for 'uid' [ 155.340223][T10992] exfat: Bad value for 'uid' [pid 10994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10995] <... futex resumed>) = 0 [pid 10994] <... bpf resumed>) = 8 [pid 10994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10985] <... futex resumed>) = 0 [pid 10994] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10985] <... futex resumed>) = 0 [pid 10994] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10994] <... bpf resumed>) = 9 [pid 10994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10985] <... futex resumed>) = 0 [pid 10994] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10995] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 10995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 10995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 10995] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 10995] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 10995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[10997]}, 88) = 10997 [pid 10995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10995] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 10997 attached ) = 0 [pid 10995] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10997] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 10997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10997] memfd_create("syzkaller", 0) = 3 [pid 10997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10997] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 10997] munmap(0x7fb91de38000, 138412032) = 0 [pid 10997] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 10977] <... sendmsg resumed>) = 64 [pid 10997] ioctl(4, LOOP_SET_FD, 3 [pid 10977] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10977] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10997] <... ioctl resumed>) = 0 [pid 10997] close(3 [pid 10975] exit_group(0 [pid 10997] <... close resumed>) = 0 [pid 10977] <... futex resumed>) = ? [pid 10975] <... exit_group resumed>) = ? [pid 10997] close(4 [pid 10977] +++ exited with 0 +++ [pid 10997] <... close resumed>) = 0 [pid 10997] mkdir("./file0", 0777 [pid 10990] <... futex resumed>) = ? [pid 10997] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 10997] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 10997] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 10997] ioctl(3, LOOP_CLR_FD) = 0 [pid 10997] close(3) = 0 [pid 10997] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10995] <... futex resumed>) = 0 [pid 10997] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 10995] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10997] <... socket resumed>) = 3 [pid 10995] <... futex resumed>) = 0 [pid 10997] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10997] <... futex resumed>) = 0 [pid 10995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10997] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 10995] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10997] <... socket resumed>) = 4 [pid 10995] <... futex resumed>) = 0 [pid 10997] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10997] <... futex resumed>) = 0 [pid 10995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10997] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 10995] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10997] <... sendto resumed>) = 32 [pid 10995] <... futex resumed>) = 0 [pid 10997] recvfrom(4, [pid 10995] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10997] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=10995}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 10997] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10995] <... futex resumed>) = 0 [pid 10997] getsockname(4, [pid 10995] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10997] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=10995, nl_groups=00000000}, [116 => 12]) = 0 [pid 10995] <... futex resumed>) = 0 [pid 10997] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10997] <... futex resumed>) = 0 [pid 10995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10997] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf3\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 10995] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10995] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10989] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10987] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10989] <... mmap resumed>) = 0x7fb926217000 [pid 10987] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10989] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 10987] <... futex resumed>) = 0 [pid 10989] <... mprotect resumed>) = 0 [pid 10989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 10987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 10989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 10989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10987] <... mmap resumed>) = 0x7fb926217000 ./strace-static-x86_64: Process 11000 attached [pid 10987] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11000] set_robust_list(0x7fb9262379a0, 24 [pid 10989] <... clone3 resumed> => {parent_tid=[11000]}, 88) = 11000 [pid 11000] <... set_robust_list resumed>) = 0 [pid 10989] rt_sigprocmask(SIG_SETMASK, [], [pid 10987] <... mprotect resumed>) = 0 [pid 11000] rt_sigprocmask(SIG_SETMASK, [], [pid 10989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 10987] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11000] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 10989] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11000] <... bpf resumed>) = 5 [pid 10990] +++ exited with 0 +++ [pid 10989] <... futex resumed>) = 0 [pid 10987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 10975] +++ exited with 0 +++ ./strace-static-x86_64: Process 11001 attached [pid 11000] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10989] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11001] set_robust_list(0x7fb9262379a0, 24 [pid 11000] <... futex resumed>) = 0 [pid 10989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10987] <... clone3 resumed> => {parent_tid=[11001]}, 88) = 11001 [pid 11001] <... set_robust_list resumed>) = 0 [pid 11000] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10989] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] rt_sigprocmask(SIG_SETMASK, [], [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10975, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11001] rt_sigprocmask(SIG_SETMASK, [], [pid 11000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10989] <... futex resumed>) = 0 [pid 10987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11000] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 10989] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11000] <... bpf resumed>) = 0 [pid 10987] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11001] <... bpf resumed>) = 5 [pid 11000] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] <... futex resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 11001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11000] <... futex resumed>) = 1 [pid 10989] <... futex resumed>) = 0 [pid 10987] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11001] <... futex resumed>) = 0 [pid 11000] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10989] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10989] <... futex resumed>) = 0 [pid 10987] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 10989] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10987] <... futex resumed>) = 0 [pid 11001] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11000] <... bpf resumed>) = 6 [pid 10987] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11000] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... openat resumed>) = 3 [pid 11001] <... bpf resumed>) = 0 [pid 11000] <... futex resumed>) = 1 [pid 10989] <... futex resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11000] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 10989] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11001] <... futex resumed>) = 1 [pid 11000] <... bpf resumed>) = 7 [pid 10989] <... futex resumed>) = 0 [pid 10987] <... futex resumed>) = 0 [pid 298] close(3 [pid 11001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11000] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10989] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10987] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 11001] <... bpf resumed>) = 6 [pid 11001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11000] <... futex resumed>) = 0 [pid 11000] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10989] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11000] <... futex resumed>) = 0 [pid 10989] <... futex resumed>) = 1 [pid 11000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10989] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11001] <... futex resumed>) = 0 [pid 11000] <... bpf resumed>) = 8 [pid 10987] <... futex resumed>) = 1 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11000] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11000] <... futex resumed>) = 1 [pid 10989] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11002 attached [pid 11000] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10989] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11002] set_robust_list(0x5555555916a0, 24 [pid 11000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10989] <... futex resumed>) = 0 [pid 11002] <... set_robust_list resumed>) = 0 [pid 11000] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10989] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10987] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11002 [pid 11002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11000] <... bpf resumed>) = 9 [pid 10987] <... futex resumed>) = 1 [pid 11002] <... prctl resumed>) = 0 [pid 11001] <... futex resumed>) = 0 [pid 11000] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11002] setpgid(0, 0 [pid 11001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11000] <... futex resumed>) = 1 [pid 10989] <... futex resumed>) = 0 [pid 11002] <... setpgid resumed>) = 0 [pid 11001] <... bpf resumed>) = 7 [pid 11000] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 10987] <... futex resumed>) = 0 [pid 11002] <... openat resumed>) = 3 [pid 10987] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11002] write(3, "1000", 4 [pid 11001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10987] <... futex resumed>) = 0 [pid 11002] <... write resumed>) = 4 [pid 10987] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11002] close(3) = 0 [pid 11002] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11001] <... bpf resumed>) = 8 [pid 11002] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11002] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11001] <... futex resumed>) = 1 [pid 10987] <... futex resumed>) = 0 [pid 11002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 10987] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10987] <... futex resumed>) = 0 [pid 11002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 10987] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11002] <... mmap resumed>) = 0x7fb926238000 [pid 11001] <... bpf resumed>) = 9 [pid 11002] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11002] <... mprotect resumed>) = 0 [pid 11001] <... futex resumed>) = 1 [pid 10987] <... futex resumed>) = 0 [pid 11002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11002] <... rt_sigprocmask resumed>[], 8) = 0 [ 155.408186][T10997] loop4: detected capacity change from 0 to 256 [ 155.415812][T10997] exfat: Bad value for 'uid' [pid 11002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11003 attached [pid 11003] set_robust_list(0x7fb9262589a0, 24 [pid 11002] <... clone3 resumed> => {parent_tid=[11003]}, 88) = 11003 [pid 11003] <... set_robust_list resumed>) = 0 [pid 11003] rt_sigprocmask(SIG_SETMASK, [], [pid 11002] rt_sigprocmask(SIG_SETMASK, [], [pid 11003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11003] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11002] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11002] <... futex resumed>) = 0 [pid 11003] memfd_create("syzkaller", 0 [pid 11002] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11003] <... memfd_create resumed>) = 3 [pid 11003] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11003] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10995] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10995] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11003] <... write resumed>) = 131072 [pid 10995] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 10995] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11003] munmap(0x7fb91de38000, 138412032 [pid 10995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11003] <... munmap resumed>) = 0 [pid 10995] <... mmap resumed>) = 0x7fb926217000 [pid 11003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 10995] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11003] <... openat resumed>) = 4 [pid 10995] <... mprotect resumed>) = 0 [pid 10995] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11003] ioctl(4, LOOP_SET_FD, 3 [pid 10995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11004]}, 88) = 11004 [pid 10995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 10995] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10995] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11004 attached [pid 11004] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11004] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11004] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] <... futex resumed>) = 0 [pid 10995] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 10995] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11004] <... futex resumed>) = 1 [pid 11004] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11004] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] <... futex resumed>) = 0 [pid 10995] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11004] <... futex resumed>) = 1 [pid 11003] <... ioctl resumed>) = 0 [pid 10995] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11003] close(3) = 0 [pid 11003] close(4 [pid 11004] <... bpf resumed>) = 6 [pid 11003] <... close resumed>) = 0 [pid 11003] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11003] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11004] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] <... futex resumed>) = 0 [pid 10995] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11004] <... futex resumed>) = 1 [pid 11003] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11004] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11003] <... openat resumed>) = 3 [pid 10995] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11004] <... bpf resumed>) = 7 [pid 11004] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11003] ioctl(3, LOOP_CLR_FD [pid 10995] <... futex resumed>) = 0 [pid 11004] <... futex resumed>) = 1 [pid 10995] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 10995] <... futex resumed>) = 0 [pid 10995] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11004] <... bpf resumed>) = 8 [pid 11003] <... ioctl resumed>) = 0 [pid 10986] <... sendmsg resumed>) = 64 [pid 11004] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11003] close(3 [pid 10986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11004] <... futex resumed>) = 1 [pid 11003] <... close resumed>) = 0 [pid 10995] <... futex resumed>) = 0 [pid 10986] <... futex resumed>) = 0 [pid 11004] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11003] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 10986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11004] <... bpf resumed>) = 9 [pid 11003] <... futex resumed>) = 1 [pid 11002] <... futex resumed>) = 0 [pid 10995] <... futex resumed>) = 0 [pid 10985] exit_group(0 [pid 11004] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11003] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11002] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 10994] <... futex resumed>) = ? [pid 10986] <... futex resumed>) = ? [pid 10985] <... exit_group resumed>) = ? [pid 11004] <... futex resumed>) = 0 [pid 11003] <... socket resumed>) = 3 [pid 11002] <... futex resumed>) = 0 [pid 10995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10994] +++ exited with 0 +++ [pid 10986] +++ exited with 0 +++ [pid 10985] +++ exited with 0 +++ [pid 11004] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11003] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11002] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11003] <... futex resumed>) = 0 [pid 11002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11003] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11002] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11003] <... socket resumed>) = 4 [pid 11002] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10985, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11003] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11002] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11003] <... futex resumed>) = 0 [pid 11002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 10991] <... sendmsg resumed>) = 64 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11003] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11002] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 10991] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11002] <... futex resumed>) = 0 [pid 10991] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 11003] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11002] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 10991] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11003] <... sendto resumed>) = 32 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11003] recvfrom(4, [pid 10989] exit_group(0 [pid 11003] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11002}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11000] <... futex resumed>) = ? [pid 10991] <... futex resumed>) = ? [pid 10989] <... exit_group resumed>) = ? [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11003] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11000] +++ exited with 0 +++ [pid 10991] +++ exited with 0 +++ [pid 10989] +++ exited with 0 +++ [pid 297] close(3 [pid 11003] <... futex resumed>) = 1 [pid 297] <... close resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10989, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11003] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11002] <... futex resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11005 [pid 11002] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11002] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 11005 attached [pid 11003] <... futex resumed>) = 0 [pid 294] close(3 [pid 11005] set_robust_list(0x5555555916a0, 24 [pid 11003] getsockname(4, [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11006 [pid 11005] <... set_robust_list resumed>) = 0 [pid 11005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11003] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11002, nl_groups=00000000}, [116 => 12]) = 0 [pid 11005] setpgid(0, 0 [pid 11003] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11006 attached [pid 11005] <... setpgid resumed>) = 0 [pid 11003] <... futex resumed>) = 1 [pid 11002] <... futex resumed>) = 0 [pid 11006] set_robust_list(0x5555555916a0, 24 [pid 11003] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11002] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11006] <... set_robust_list resumed>) = 0 [pid 11003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11002] <... futex resumed>) = 0 [pid 11006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11003] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfa\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11002] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11006] <... prctl resumed>) = 0 [pid 11005] <... openat resumed>) = 3 [pid 11006] setpgid(0, 0) = 0 [pid 11005] write(3, "1000", 4 [pid 11006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11005] <... write resumed>) = 4 [pid 11006] write(3, "1000", 4 [pid 11005] close(3 [pid 11006] <... write resumed>) = 4 [pid 11006] close(3 [pid 11005] <... close resumed>) = 0 [pid 11006] <... close resumed>) = 0 [pid 11006] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11006] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11005] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11005] <... futex resumed>) = 0 [pid 11006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11005] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11006] <... mmap resumed>) = 0x7fb926238000 [pid 11005] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11006] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11006] <... clone3 resumed> => {parent_tid=[11008]}, 88) = 11008 [pid 11005] <... mmap resumed>) = 0x7fb926238000 [pid 11006] rt_sigprocmask(SIG_SETMASK, [], [pid 11005] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11006] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11008 attached [pid 11006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11005] <... mprotect resumed>) = 0 [pid 11005] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11008] set_robust_list(0x7fb9262589a0, 24 [pid 11005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11009 attached [pid 11009] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11009] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11008] <... set_robust_list resumed>) = 0 [pid 11008] rt_sigprocmask(SIG_SETMASK, [], [pid 11005] <... clone3 resumed> => {parent_tid=[11009]}, 88) = 11009 [pid 11008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11008] memfd_create("syzkaller", 0) = 3 [pid 11008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11005] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11005] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 10997] <... sendmsg resumed>) = 64 [ 155.478589][T11003] loop2: detected capacity change from 0 to 256 [ 155.487926][T11003] exfat: Bad value for 'uid' [pid 10992] <... sendmsg resumed>) = 64 [pid 11009] <... futex resumed>) = 0 [pid 11008] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 10997] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10995] exit_group(0 [pid 10992] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 10987] exit_group(0 [pid 11004] <... futex resumed>) = ? [pid 11001] <... futex resumed>) = ? [pid 10997] <... futex resumed>) = ? [pid 10995] <... exit_group resumed>) = ? [pid 10987] <... exit_group resumed>) = ? [pid 10992] <... futex resumed>) = ? [pid 11004] +++ exited with 0 +++ [pid 11001] +++ exited with 0 +++ [pid 11009] memfd_create("syzkaller", 0) = 3 [pid 11009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 10997] +++ exited with 0 +++ [pid 10995] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10995, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 11008] <... write resumed>) = 131072 [pid 300] <... restart_syscall resumed>) = 0 [pid 10992] +++ exited with 0 +++ [pid 10987] +++ exited with 0 +++ [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10987, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 300] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3 [pid 11009] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11008] munmap(0x7fb91de38000, 138412032 [pid 300] <... close resumed>) = 0 [pid 11009] <... write resumed>) = 131072 [pid 11008] <... munmap resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11008] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 299] <... openat resumed>) = 3 [pid 11008] <... openat resumed>) = 4 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11008] ioctl(4, LOOP_SET_FD, 3 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11009] munmap(0x7fb91de38000, 138412032 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] close(3 [pid 11009] <... munmap resumed>) = 0 [pid 11009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11010 [pid 11009] <... openat resumed>) = 4 [pid 11009] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11010 attached [pid 11008] <... ioctl resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 11010] set_robust_list(0x5555555916a0, 24 [pid 11008] close(3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11010] <... set_robust_list resumed>) = 0 [pid 11008] <... close resumed>) = 0 [pid 11010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11008] close(4 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11011 [pid 11010] <... prctl resumed>) = 0 [pid 11008] <... close resumed>) = 0 [pid 11010] setpgid(0, 0 [pid 11008] mkdir("./file0", 0777 [pid 11010] <... setpgid resumed>) = 0 [pid 11008] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11008] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11010] <... openat resumed>) = 3 ./strace-static-x86_64: Process 11011 attached [pid 11011] set_robust_list(0x5555555916a0, 24) = 0 [pid 11011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11011] setpgid(0, 0) = 0 [pid 11011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11011] write(3, "1000", 4) = 4 [pid 11011] close(3) = 0 [pid 11011] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11011] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11011] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11011] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11012]}, 88) = 11012 [pid 11011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11011] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11011] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11009] <... ioctl resumed>) = 0 [pid 11009] close(3) = 0 [pid 11009] close(4) = 0 [pid 11009] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11009] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11010] write(3, "1000", 4 [pid 11009] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11009] ioctl(3, LOOP_CLR_FD [pid 11008] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11008] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11012 attached [pid 11012] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11012] memfd_create("syzkaller", 0 [pid 11010] <... write resumed>) = 4 [pid 11012] <... memfd_create resumed>) = 3 [pid 11012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11010] close(3) = 0 [pid 11010] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11010] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11012] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11010] <... mmap resumed>) = 0x7fb926238000 [pid 11010] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11012] <... write resumed>) = 131072 [pid 11012] munmap(0x7fb91de38000, 138412032) = 0 [pid 11010] <... clone3 resumed> => {parent_tid=[11013]}, 88) = 11013 [pid 11012] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11012] <... openat resumed>) = 4 [pid 11012] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11013 attached [pid 11013] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11013] memfd_create("syzkaller", 0) = 3 [pid 11013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11012] <... ioctl resumed>) = 0 [pid 11002] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11012] close(3 [pid 11002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11013] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11012] <... close resumed>) = 0 [pid 11002] <... mmap resumed>) = 0x7fb926217000 [pid 11002] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11002] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11014]}, 88) = 11014 [pid 11002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11002] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11002] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11012] close(4) = 0 [pid 11012] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11012] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11014 attached [pid 11013] <... write resumed>) = 131072 [pid 11014] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11014] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11002] <... futex resumed>) = 0 [pid 11002] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11002] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11014] <... futex resumed>) = 1 [pid 11014] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11014] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11002] <... futex resumed>) = 0 [pid 11002] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11002] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11014] <... futex resumed>) = 1 [pid 11013] munmap(0x7fb91de38000, 138412032 [pid 11012] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11013] <... munmap resumed>) = 0 [pid 11013] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11013] ioctl(4, LOOP_SET_FD, 3 [pid 11012] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11012] ioctl(3, LOOP_CLR_FD [pid 11014] <... bpf resumed>) = 6 [pid 11014] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11014] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11002] <... futex resumed>) = 0 [pid 11002] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11002] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11014] <... futex resumed>) = 0 [pid 11014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11013] <... ioctl resumed>) = 0 [pid 11013] close(3) = 0 [pid 11014] <... bpf resumed>) = 7 [pid 11013] close(4 [pid 11014] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11014] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11013] <... close resumed>) = 0 [pid 11002] <... futex resumed>) = 0 [pid 11002] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11002] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11013] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 155.544243][T11008] loop0: detected capacity change from 0 to 256 [ 155.546427][T11009] loop1: detected capacity change from 0 to 256 [ 155.555580][T11008] exfat: Bad value for 'uid' [ 155.559132][T11009] exfat: Bad value for 'uid' [ 155.571155][T11012] loop3: detected capacity change from 0 to 256 [ 155.580331][T11012] exfat: Bad value for 'uid' [ 155.586120][T11013] loop4: detected capacity change from 0 to 256 [pid 11013] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11014] <... futex resumed>) = 0 [pid 11014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11014] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11002] <... futex resumed>) = 0 [pid 11014] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11013] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11013] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11009] <... ioctl resumed>) = 0 [pid 11013] <... openat resumed>) = 3 [pid 11013] ioctl(3, LOOP_CLR_FD [pid 11008] <... ioctl resumed>) = 0 [pid 11008] close(3) = 0 [pid 11008] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11008] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11002] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11002] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11014] <... futex resumed>) = 0 [pid 11014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11006] <... futex resumed>) = 0 [pid 11006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11012] <... ioctl resumed>) = 0 [pid 11009] close(3 [pid 11008] <... futex resumed>) = 0 [pid 11006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11012] close(3 [pid 11009] <... close resumed>) = 0 [pid 11012] <... close resumed>) = 0 [pid 11012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11012] <... futex resumed>) = 1 [pid 11011] <... futex resumed>) = 0 [pid 11009] <... futex resumed>) = 1 [pid 11012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11011] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11011] <... futex resumed>) = 0 [pid 11012] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11011] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11014] <... bpf resumed>) = 9 [pid 11012] <... socket resumed>) = 3 [pid 11008] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11005] <... futex resumed>) = 0 [pid 11012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11011] <... futex resumed>) = 0 [pid 11012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11011] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11012] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11011] <... futex resumed>) = 0 [pid 11012] <... socket resumed>) = 4 [pid 11011] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11008] <... socket resumed>) = 3 [pid 11005] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11008] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] <... futex resumed>) = 1 [pid 11008] <... futex resumed>) = 1 [pid 11005] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] <... futex resumed>) = 0 [pid 11008] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11006] <... futex resumed>) = 0 [pid 11012] <... futex resumed>) = 1 [pid 11011] <... futex resumed>) = 0 [pid 11009] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11011] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11011] <... futex resumed>) = 0 [pid 11009] <... socket resumed>) = 3 [pid 11008] <... futex resumed>) = 0 [pid 11006] <... futex resumed>) = 1 [pid 11012] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11011] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11009] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11008] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11014] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11012] <... sendto resumed>) = 32 [pid 11009] <... futex resumed>) = 1 [pid 11008] <... socket resumed>) = 4 [pid 11005] <... futex resumed>) = 0 [pid 11012] recvfrom(4, [pid 11009] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11008] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11012] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11011}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11008] <... futex resumed>) = 1 [pid 11006] <... futex resumed>) = 0 [pid 11005] <... futex resumed>) = 0 [pid 11014] <... futex resumed>) = 1 [pid 11012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11008] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11002] <... futex resumed>) = 0 [pid 11014] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11012] <... futex resumed>) = 1 [pid 11011] <... futex resumed>) = 0 [pid 11009] <... socket resumed>) = 4 [pid 11008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11006] <... futex resumed>) = 0 [pid 11012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11011] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11008] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11011] <... futex resumed>) = 0 [pid 11009] <... futex resumed>) = 1 [pid 11008] <... sendto resumed>) = 32 [pid 11005] <... futex resumed>) = 0 [pid 11012] getsockname(4, [pid 11011] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11009] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11008] recvfrom(4, [pid 11005] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11012] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11011, nl_groups=00000000}, [116 => 12]) = 0 [pid 11009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11008] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11006}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11005] <... futex resumed>) = 0 [pid 11012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11012] <... futex resumed>) = 1 [pid 11011] <... futex resumed>) = 0 [pid 11009] <... sendto resumed>) = 32 [pid 11008] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11011] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] recvfrom(4, [pid 11008] <... futex resumed>) = 1 [pid 11006] <... futex resumed>) = 0 [pid 11012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11011] <... futex resumed>) = 0 [pid 11009] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11005}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11008] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11012] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x03\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11011] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11009] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 155.595409][T11013] exfat: Bad value for 'uid' [ 155.600720][ T295] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 155.610204][ T1850] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 11006] <... futex resumed>) = 0 [pid 11008] getsockname(4, [pid 11006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11008] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11006, nl_groups=00000000}, [116 => 12]) = 0 [pid 11008] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11006] <... futex resumed>) = 0 [pid 11008] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11006] <... futex resumed>) = 0 [pid 11008] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfe\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11009] <... futex resumed>) = 1 [pid 11005] <... futex resumed>) = 0 [pid 11009] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11005] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11005] <... futex resumed>) = 0 [pid 11009] getsockname(4, [pid 11005] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11009] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11005, nl_groups=00000000}, [116 => 12]) = 0 [pid 11009] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11005] <... futex resumed>) = 0 [pid 11009] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11005] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11005] <... futex resumed>) = 0 [pid 11009] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfd\x2a\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11005] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11013] <... ioctl resumed>) = 0 [pid 11013] close(3) = 0 [pid 11013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11010] <... futex resumed>) = 0 [pid 11013] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11013] <... socket resumed>) = 3 [pid 11010] <... futex resumed>) = 0 [pid 11013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11013] <... futex resumed>) = 0 [pid 11010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11010] <... futex resumed>) = 0 [pid 11013] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11013] <... socket resumed>) = 4 [pid 11013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11010] <... futex resumed>) = 0 [pid 11013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11010] <... futex resumed>) = 0 [pid 11013] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11003] <... sendmsg resumed>) = 64 [pid 11003] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11003] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11002] exit_group(0 [pid 11014] <... futex resumed>) = ? [pid 11003] <... futex resumed>) = ? [pid 11002] <... exit_group resumed>) = ? [pid 11014] +++ exited with 0 +++ [pid 11003] +++ exited with 0 +++ [pid 11002] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11002, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11019 [ 155.638891][T11012] __nla_validate_parse: 89 callbacks suppressed [ 155.638909][T11012] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 155.671106][T11008] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. ./strace-static-x86_64: Process 11019 attached [pid 11019] set_robust_list(0x5555555916a0, 24) = 0 [pid 11019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11019] setpgid(0, 0) = 0 [pid 11019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11006] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11006] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11011] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11006] <... mmap resumed>) = 0x7fb926217000 [pid 11011] <... futex resumed>) = 0 [pid 11006] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11006] <... mprotect resumed>) = 0 [pid 11011] <... mmap resumed>) = 0x7fb926217000 [pid 11006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11011] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11011] <... mprotect resumed>) = 0 [pid 11011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11006] <... clone3 resumed> => {parent_tid=[11020]}, 88) = 11020 [pid 11005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11006] rt_sigprocmask(SIG_SETMASK, [], [pid 11005] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11011] <... clone3 resumed> => {parent_tid=[11021]}, 88) = 11021 [pid 11006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11005] <... futex resumed>) = 0 [pid 11011] rt_sigprocmask(SIG_SETMASK, [], [pid 11005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11005] <... mmap resumed>) = 0x7fb926217000 [pid 11011] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11011] <... futex resumed>) = 0 [pid 11005] <... mprotect resumed>) = 0 [pid 11011] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11021 attached ./strace-static-x86_64: Process 11020 attached [pid 11019] <... openat resumed>) = 3 [pid 11005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11021] set_robust_list(0x7fb9262379a0, 24 [pid 11020] set_robust_list(0x7fb9262379a0, 24 [pid 11019] write(3, "1000", 4 [pid 11006] <... futex resumed>) = 0 [pid 11005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11021] <... set_robust_list resumed>) = 0 [pid 11020] <... set_robust_list resumed>) = 0 [pid 11019] <... write resumed>) = 4 [pid 11006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11022 attached [pid 11005] <... clone3 resumed> => {parent_tid=[11022]}, 88) = 11022 [pid 11005] rt_sigprocmask(SIG_SETMASK, [], [pid 11021] rt_sigprocmask(SIG_SETMASK, [], [pid 11020] rt_sigprocmask(SIG_SETMASK, [], [pid 11019] close(3 [pid 11005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11005] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11005] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11022] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11019] <... close resumed>) = 0 [pid 11022] <... bpf resumed>) = 5 [pid 11022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11019] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11021] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11019] <... futex resumed>) = 0 [pid 11021] <... bpf resumed>) = 5 [pid 11020] <... bpf resumed>) = 5 [pid 11019] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11005] <... futex resumed>) = 0 [pid 11019] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11005] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11005] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11022] <... futex resumed>) = 1 [pid 11021] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11020] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11022] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] <... futex resumed>) = 0 [pid 11005] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11005] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11022] <... futex resumed>) = 1 [pid 11019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11006] <... futex resumed>) = 0 [pid 11019] <... mmap resumed>) = 0x7fb926238000 [pid 11006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11019] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11006] <... futex resumed>) = 0 [pid 11020] <... futex resumed>) = 1 [pid 11019] <... mprotect resumed>) = 0 [pid 11011] <... futex resumed>) = 0 [pid 11006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11021] <... futex resumed>) = 1 [pid 11020] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11019] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11011] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11021] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11020] <... bpf resumed>) = 0 [pid 11019] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11011] <... futex resumed>) = 0 [pid 11021] <... bpf resumed>) = 0 [pid 11019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11011] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11022] <... bpf resumed>) = 6 [pid 11021] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11020] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11013] <... sendto resumed>) = 32 [pid 11010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11021] <... futex resumed>) = 0 [pid 11020] <... futex resumed>) = 1 [pid 11013] recvfrom(4, [pid 11011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11010] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11006] <... futex resumed>) = 0 [pid 11019] <... clone3 resumed> => {parent_tid=[11024]}, 88) = 11024 [pid 11021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11020] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11019] rt_sigprocmask(SIG_SETMASK, [], [pid 11013] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11010}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11011] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11010] <... futex resumed>) = 0 [pid 11006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11024 attached [pid 11022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11021] <... bpf resumed>) = 6 [pid 11020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11011] <... futex resumed>) = 0 [pid 11006] <... futex resumed>) = 0 [pid 11010] <... mmap resumed>) = 0x7fb926217000 [pid 11010] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11011] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11010] <... mprotect resumed>) = 0 [pid 11013] <... futex resumed>) = 0 [pid 11006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11019] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11021] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11010] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11024] set_robust_list(0x7fb9262589a0, 24 [pid 11022] <... futex resumed>) = 1 [pid 11021] <... futex resumed>) = 0 [pid 11019] <... futex resumed>) = 0 [pid 11013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11011] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11010] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11005] <... futex resumed>) = 0 [pid 11010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11020] <... bpf resumed>) = 6 [pid 11021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11019] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11011] <... futex resumed>) = 0 [pid 11010] <... clone3 resumed> => {parent_tid=[11025]}, 88) = 11025 [pid 11005] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11020] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11011] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11010] rt_sigprocmask(SIG_SETMASK, [], [pid 11005] <... futex resumed>) = 0 [pid 11010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11024] <... set_robust_list resumed>) = 0 [pid 11024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11024] memfd_create("syzkaller", 0 [pid 11021] <... bpf resumed>) = 7 [pid 11024] <... memfd_create resumed>) = 3 [pid 11024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11005] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11020] <... futex resumed>) = 1 [pid 11006] <... futex resumed>) = 0 [pid 11021] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11024] <... mmap resumed>) = 0x7fb91de38000 ./strace-static-x86_64: Process 11025 attached [pid 11022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11021] <... futex resumed>) = 1 [pid 11020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11011] <... futex resumed>) = 0 [pid 11006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] set_robust_list(0x7fb9262379a0, 24 [pid 11022] <... bpf resumed>) = 7 [pid 11021] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11020] <... bpf resumed>) = 7 [pid 11011] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11006] <... futex resumed>) = 0 [pid 11025] <... set_robust_list resumed>) = 0 [pid 11024] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11020] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11011] <... futex resumed>) = 0 [pid 11006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11025] rt_sigprocmask(SIG_SETMASK, [], [pid 11024] <... write resumed>) = 131072 [pid 11022] <... futex resumed>) = 1 [pid 11021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11020] <... futex resumed>) = 0 [pid 11011] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11005] <... futex resumed>) = 0 [pid 11025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11024] munmap(0x7fb91de38000, 138412032 [pid 11022] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11024] <... munmap resumed>) = 0 [pid 11024] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11024] ioctl(4, LOOP_SET_FD, 3 [pid 11025] getsockname(4, [pid 11022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11021] <... bpf resumed>) = 8 [pid 11020] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11010, nl_groups=00000000}, [116 => 12]) = 0 [pid 11022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11021] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11006] <... futex resumed>) = 0 [pid 11005] <... futex resumed>) = 0 [pid 11025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11022] <... bpf resumed>) = 8 [pid 11021] <... futex resumed>) = 1 [pid 11020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11011] <... futex resumed>) = 0 [pid 11006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11005] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11025] <... futex resumed>) = 1 [pid 11022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11021] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11020] <... bpf resumed>) = 8 [pid 11011] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11010] <... futex resumed>) = 0 [pid 11005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11022] <... futex resumed>) = 0 [pid 11021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11020] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11011] <... futex resumed>) = 0 [pid 11010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11024] <... ioctl resumed>) = 0 [pid 11022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11020] <... futex resumed>) = 1 [pid 11013] <... futex resumed>) = 0 [pid 11011] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11010] <... futex resumed>) = 1 [pid 11006] <... futex resumed>) = 0 [pid 11005] <... futex resumed>) = 0 [pid 11024] close(3) = 0 [pid 11024] close(4 [pid 11022] <... bpf resumed>) = 9 [pid 11013] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x02\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11021] <... bpf resumed>) = 9 [pid 11020] <... bpf resumed>) = 9 [pid 11006] <... futex resumed>) = 0 [pid 11024] <... close resumed>) = 0 [pid 11022] <... futex resumed>) = 1 [pid 11021] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11020] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11005] <... futex resumed>) = 0 [pid 11024] mkdir("./file0", 0777 [pid 11022] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11021] <... futex resumed>) = 1 [pid 11020] <... futex resumed>) = 0 [pid 11011] <... futex resumed>) = 0 [pid 11006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11024] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11021] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 155.685399][T11009] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 155.722200][T11024] loop2: detected capacity change from 0 to 256 [ 155.729623][T11013] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11024] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11020] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11024] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11024] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 155.743036][T11024] exfat: Bad value for 'uid' [pid 11024] ioctl(3, LOOP_CLR_FD [pid 11010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] <... futex resumed>) = 0 [pid 11010] <... futex resumed>) = 1 [pid 11025] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11025] <... bpf resumed>) = 5 [pid 11025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11010] <... futex resumed>) = 0 [pid 11025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11010] <... futex resumed>) = 0 [pid 11025] <... futex resumed>) = 0 [pid 11025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 11010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] <... futex resumed>) = 0 [pid 11010] <... futex resumed>) = 1 [pid 11025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11025] <... bpf resumed>) = 6 [pid 11025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11010] <... futex resumed>) = 0 [pid 11010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11010] <... futex resumed>) = 0 [pid 11025] <... bpf resumed>) = 7 [pid 11010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11025] <... futex resumed>) = 0 [pid 11010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11010] <... futex resumed>) = 0 [pid 11010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11025] <... bpf resumed>) = 8 [pid 11025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11010] <... futex resumed>) = 0 [pid 11025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11010] <... futex resumed>) = 0 [pid 11025] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11025] <... bpf resumed>) = 9 [pid 11025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11010] <... futex resumed>) = 0 [pid 11025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11012] <... sendmsg resumed>) = 64 [pid 11024] <... ioctl resumed>) = 0 [pid 11012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11011] exit_group(0 [pid 11021] <... futex resumed>) = ? [pid 11012] <... futex resumed>) = ? [pid 11011] <... exit_group resumed>) = ? [pid 11021] +++ exited with 0 +++ [pid 11012] +++ exited with 0 +++ [pid 11011] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11011, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11024] close(3 [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11027 [pid 11024] <... close resumed>) = 0 [pid 11024] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11019] <... futex resumed>) = 0 [pid 11024] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11019] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11019] <... futex resumed>) = 0 [pid 11024] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11019] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11024] <... socket resumed>) = 3 [pid 11024] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11027 attached ) = 1 [pid 11019] <... futex resumed>) = 0 [pid 11027] set_robust_list(0x5555555916a0, 24 [pid 11024] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11019] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] <... set_robust_list resumed>) = 0 [pid 11024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11019] <... futex resumed>) = 0 [pid 11027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11024] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11019] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11027] <... prctl resumed>) = 0 [pid 11024] <... socket resumed>) = 4 [pid 11027] setpgid(0, 0 [pid 11024] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] <... setpgid resumed>) = 0 [pid 11024] <... futex resumed>) = 1 [pid 11019] <... futex resumed>) = 0 [pid 11027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11024] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11019] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] <... openat resumed>) = 3 [pid 11024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11019] <... futex resumed>) = 0 [pid 11027] write(3, "1000", 4 [pid 11024] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11019] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11027] <... write resumed>) = 4 [pid 11024] <... sendto resumed>) = 32 [pid 11027] close(3 [pid 11024] recvfrom(4, [pid 11027] <... close resumed>) = 0 [pid 11024] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11019}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11027] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11024] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] <... futex resumed>) = 0 [pid 11024] <... futex resumed>) = 1 [pid 11019] <... futex resumed>) = 0 [pid 11027] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11024] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11019] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11019] <... futex resumed>) = 0 [pid 11027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11024] getsockname(4, [pid 11019] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11024] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11019, nl_groups=00000000}, [116 => 12]) = 0 [pid 11024] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11024] <... futex resumed>) = 1 [pid 11019] <... futex resumed>) = 0 [pid 11024] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11019] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11019] <... futex resumed>) = 0 [pid 11027] <... mmap resumed>) = 0x7fb926238000 [pid 11024] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0b\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11019] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11027] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11028]}, 88) = 11028 [pid 11027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11028 attached [pid 11028] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11028] memfd_create("syzkaller", 0) = 3 [pid 11028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11028] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11028] munmap(0x7fb91de38000, 138412032) = 0 [pid 11028] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11028] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11028] close(3) = 0 [pid 11028] close(4) = 0 [pid 11028] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11028] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11009] <... sendmsg resumed>) = 64 [pid 11008] <... sendmsg resumed>) = 64 [pid 11009] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11008] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11006] exit_group(0 [pid 11020] <... futex resumed>) = ? [pid 11009] <... futex resumed>) = 0 [pid 11008] <... futex resumed>) = ? [pid 11006] <... exit_group resumed>) = ? [pid 11028] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11020] +++ exited with 0 +++ [pid 11009] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11008] +++ exited with 0 +++ [pid 11005] exit_group(0 [pid 11006] +++ exited with 0 +++ [pid 11028] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11028] ioctl(3, LOOP_CLR_FD [pid 11022] <... futex resumed>) = ? [pid 11009] <... futex resumed>) = ? [pid 11005] <... exit_group resumed>) = ? [pid 11022] +++ exited with 0 +++ [pid 11009] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11006, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11030 ./strace-static-x86_64: Process 11030 attached [pid 11030] set_robust_list(0x5555555916a0, 24) = 0 [pid 11030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11030] setpgid(0, 0) = 0 [pid 11030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11030] write(3, "1000", 4) = 4 [pid 11030] close(3) = 0 [pid 11030] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11030] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11030] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11031]}, 88) = 11031 [pid 11030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11030] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11030] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11031 attached [pid 11031] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11031] memfd_create("syzkaller", 0) = 3 [pid 11031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11031] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11031] munmap(0x7fb91de38000, 138412032) = 0 [ 155.827525][T11024] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 155.842790][T11028] loop3: detected capacity change from 0 to 256 [ 155.857999][T11028] exfat: Bad value for 'uid' [pid 11031] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11031] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11019] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11019] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11031] close(3 [pid 11019] <... futex resumed>) = 0 [pid 11019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11031] <... close resumed>) = 0 [pid 11031] close(4 [pid 11019] <... mmap resumed>) = 0x7fb926217000 [pid 11019] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11019] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11031] <... close resumed>) = 0 [pid 11019] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11032]}, 88) = 11032 [pid 11019] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11032 attached NULL, 8) = 0 [pid 11019] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11032] set_robust_list(0x7fb9262379a0, 24 [pid 11019] <... futex resumed>) = 0 [pid 11019] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11032] <... set_robust_list resumed>) = 0 [pid 11032] rt_sigprocmask(SIG_SETMASK, [], [pid 11031] mkdir("./file0", 0777 [pid 11032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11032] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11019] <... futex resumed>) = 0 [pid 11032] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11019] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11019] <... futex resumed>) = 0 [pid 11032] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11019] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11032] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11032] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11019] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11032] <... futex resumed>) = 0 [pid 11032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11019] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11031] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11032] <... bpf resumed>) = 6 [pid 11032] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11031] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11032] <... futex resumed>) = 1 [pid 11019] <... futex resumed>) = 0 [pid 11032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11019] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11019] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11031] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11031] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11031] ioctl(3, LOOP_CLR_FD [pid 11005] +++ exited with 0 +++ [pid 11032] <... bpf resumed>) = 7 [pid 11028] <... ioctl resumed>) = 0 [pid 11032] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11032] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11005, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11028] close(3 [pid 11019] <... futex resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11028] <... close resumed>) = 0 [pid 11019] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11019] <... futex resumed>) = 1 [pid 297] close(3 [pid 11032] <... futex resumed>) = 0 [pid 11028] <... futex resumed>) = 1 [pid 11027] <... futex resumed>) = 0 [pid 11019] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 11028] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11027] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11028] <... socket resumed>) = 3 [pid 11027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11033 attached [pid 11032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11033 [pid 11033] set_robust_list(0x5555555916a0, 24 [pid 11028] <... futex resumed>) = 0 [pid 11027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] <... set_robust_list resumed>) = 0 [pid 11032] <... bpf resumed>) = 8 [pid 11028] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11027] <... futex resumed>) = 0 [pid 11033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11032] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11028] <... socket resumed>) = 4 [pid 11027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11033] <... prctl resumed>) = 0 [pid 11032] <... futex resumed>) = 1 [pid 11028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11019] <... futex resumed>) = 0 [pid 11032] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11028] <... futex resumed>) = 0 [pid 11027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11019] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] setpgid(0, 0 [pid 11032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11028] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11019] <... futex resumed>) = 0 [pid 11033] <... setpgid resumed>) = 0 [pid 11032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11027] <... futex resumed>) = 0 [pid 11019] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11032] <... bpf resumed>) = 9 [pid 11028] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11033] <... openat resumed>) = 3 [pid 11032] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11028] <... sendto resumed>) = 32 [pid 11033] write(3, "1000", 4 [pid 11032] <... futex resumed>) = 1 [pid 11028] recvfrom(4, [pid 11019] <... futex resumed>) = 0 [pid 11033] <... write resumed>) = 4 [pid 11032] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11028] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11027}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11033] close(3 [pid 11028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11027] <... futex resumed>) = 0 [pid 11033] <... close resumed>) = 0 [pid 11028] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11027] <... futex resumed>) = 0 [pid 11033] <... futex resumed>) = 0 [pid 11028] getsockname(4, [pid 11027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11033] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11028] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11027, nl_groups=00000000}, [116 => 12]) = 0 [pid 11033] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11028] <... futex resumed>) = 1 [pid 11027] <... futex resumed>) = 0 [pid 11033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11028] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11027] <... futex resumed>) = 0 [pid 11033] <... mmap resumed>) = 0x7fb926238000 [pid 11028] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x13\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11033] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11034]}, 88) = 11034 [pid 11033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11033] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11033] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11034 attached [pid 11034] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11034] memfd_create("syzkaller", 0) = 3 [pid 11034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11034] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11034] munmap(0x7fb91de38000, 138412032) = 0 [pid 11034] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 155.876751][T11031] loop0: detected capacity change from 0 to 256 [ 155.893641][T11031] exfat: Bad value for 'uid' [ 155.917118][T11028] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11034] ioctl(4, LOOP_SET_FD, 3 [pid 11031] <... ioctl resumed>) = 0 [pid 11031] close(3) = 0 [pid 11031] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11034] <... ioctl resumed>) = 0 [pid 11031] <... futex resumed>) = 1 [pid 11030] <... futex resumed>) = 0 [pid 11013] <... sendmsg resumed>) = 64 [pid 11034] close(3 [pid 11031] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11030] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11034] <... close resumed>) = 0 [pid 11031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11030] <... futex resumed>) = 0 [pid 11013] <... futex resumed>) = 0 [pid 11034] close(4 [pid 11031] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11030] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11034] <... close resumed>) = 0 [pid 11031] <... socket resumed>) = 3 [pid 11010] exit_group(0 [pid 11034] mkdir("./file0", 0777 [pid 11031] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11025] <... futex resumed>) = ? [pid 11013] <... futex resumed>) = ? [pid 11010] <... exit_group resumed>) = ? [pid 11034] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11031] <... futex resumed>) = 1 [pid 11030] <... futex resumed>) = 0 [pid 11025] +++ exited with 0 +++ [pid 11013] +++ exited with 0 +++ [pid 11034] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11031] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11030] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11030] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11034] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11034] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11031] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11034] <... openat resumed>) = 3 [pid 11031] <... socket resumed>) = 4 [pid 11034] ioctl(3, LOOP_CLR_FD [pid 11031] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11030] <... futex resumed>) = 0 [pid 11031] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11030] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11031] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11030] <... futex resumed>) = 0 [pid 11031] recvfrom(4, [pid 11030] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11031] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11030}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11031] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11030] <... futex resumed>) = 0 [pid 11031] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11030] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11031] <... futex resumed>) = 0 [pid 11030] <... futex resumed>) = 1 [pid 11031] getsockname(4, [pid 11030] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11031] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11030, nl_groups=00000000}, [116 => 12]) = 0 [pid 11031] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11030] <... futex resumed>) = 0 [pid 11031] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11030] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11030] <... futex resumed>) = 0 [pid 11031] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x16\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11030] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11027] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11027] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11037 attached => {parent_tid=[11037]}, 88) = 11037 [pid 11037] set_robust_list(0x7fb9262379a0, 24 [pid 11027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11037] <... set_robust_list resumed>) = 0 [pid 11027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11037] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11037] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11027] <... futex resumed>) = 0 [pid 11027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11037] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11037] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11037] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11027] <... futex resumed>) = 0 [pid 11027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11037] <... futex resumed>) = 0 [pid 11037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11024] <... sendmsg resumed>) = 64 [pid 11010] +++ exited with 0 +++ [pid 11037] <... bpf resumed>) = 6 [pid 11024] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11019] exit_group(0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11010, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11037] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11032] <... futex resumed>) = ? [pid 11024] <... futex resumed>) = ? [pid 11019] <... exit_group resumed>) = ? [pid 11037] <... futex resumed>) = 1 [pid 11032] +++ exited with 0 +++ [pid 11027] <... futex resumed>) = 0 [pid 11024] +++ exited with 0 +++ [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11019] +++ exited with 0 +++ [pid 300] ioctl(3, LOOP_CLR_FD [pid 11037] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11027] <... futex resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11019, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] close(3) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11038 ./strace-static-x86_64: Process 11038 attached [pid 11038] set_robust_list(0x5555555916a0, 24) = 0 [pid 11038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11038] setpgid(0, 0) = 0 [pid 11038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11038] write(3, "1000", 4) = 4 [pid 11038] close(3) = 0 [pid 11038] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11038] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11038] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11039]}, 88) = 11039 [pid 11038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11038] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11038] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11039 attached [pid 11039] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11039] memfd_create("syzkaller", 0) = 3 [pid 11039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 298] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11040 [pid 11039] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11039] munmap(0x7fb91de38000, 138412032) = 0 [pid 11039] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11039] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11040 attached [pid 11040] set_robust_list(0x5555555916a0, 24) = 0 [ 155.932734][T11034] loop1: detected capacity change from 0 to 256 [ 155.952244][T11034] exfat: Bad value for 'uid' [ 155.963364][T11031] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11040] setpgid(0, 0) = 0 [pid 11040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11040] write(3, "1000", 4) = 4 [pid 11040] close(3) = 0 [pid 11040] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11040] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11040] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11039] <... ioctl resumed>) = 0 [pid 11039] close(3) = 0 [pid 11040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11039] close(4 [pid 11040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11041]}, 88) = 11041 [pid 11039] <... close resumed>) = 0 ./strace-static-x86_64: Process 11041 attached [pid 11039] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11039] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11040] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11040] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11041] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11037] <... bpf resumed>) = 7 [pid 11037] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] <... futex resumed>) = 0 [pid 11027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11037] <... futex resumed>) = 1 [pid 11037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11034] <... ioctl resumed>) = 0 [pid 11041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11041] memfd_create("syzkaller", 0) = 3 [pid 11041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11037] <... bpf resumed>) = 8 [pid 11037] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11027] <... futex resumed>) = 0 [pid 11027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11037] <... futex resumed>) = 1 [pid 11037] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11039] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11034] close(3 [pid 11039] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11034] <... close resumed>) = 0 [pid 11034] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11033] <... futex resumed>) = 0 [pid 11033] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11034] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11033] <... futex resumed>) = 0 [pid 11034] <... socket resumed>) = 3 [pid 11039] <... openat resumed>) = 3 [pid 11039] ioctl(3, LOOP_CLR_FD [pid 11034] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11034] <... futex resumed>) = 0 [pid 11033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11030] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11030] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11034] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11033] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11033] <... futex resumed>) = 0 [pid 11030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11034] <... socket resumed>) = 4 [pid 11033] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11034] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] <... clone3 resumed> => {parent_tid=[11042]}, 88) = 11042 [pid 11034] <... futex resumed>) = 1 [pid 11033] <... futex resumed>) = 0 [pid 11030] rt_sigprocmask(SIG_SETMASK, [], [pid 11034] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11033] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11033] <... futex resumed>) = 0 [pid 11030] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11033] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11034] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11030] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11034] <... sendto resumed>) = 32 [pid 11034] recvfrom(4, [pid 11041] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11034] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11033}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11034] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11033] <... futex resumed>) = 0 [pid 11034] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11033] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11033] <... futex resumed>) = 0 [pid 11034] getsockname(4, [pid 11033] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11034] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11033, nl_groups=00000000}, [116 => 12]) = 0 [pid 11041] <... write resumed>) = 131072 [pid 11034] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11037] <... bpf resumed>) = 9 [pid 11034] <... futex resumed>) = 1 [pid 11033] <... futex resumed>) = 0 [pid 11034] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11033] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11034] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x19\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11033] <... futex resumed>) = 0 [pid 11037] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11027] <... futex resumed>) = 0 [pid 11037] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11041] munmap(0x7fb91de38000, 138412032) = 0 [pid 11041] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11041] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11042 attached [pid 11033] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11042] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11039] <... ioctl resumed>) = 0 [pid 11041] <... ioctl resumed>) = 0 [pid 11041] close(3) = 0 [pid 11041] close(4) = 0 [pid 11041] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 155.998592][T11039] loop4: detected capacity change from 0 to 256 [ 156.007689][T11039] exfat: Bad value for 'uid' [ 156.019445][T11034] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 156.020756][T11041] loop2: detected capacity change from 0 to 256 [ 156.037037][ T318] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 11041] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11042] rt_sigprocmask(SIG_SETMASK, [], [pid 11039] close(3 [pid 11042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11039] <... close resumed>) = 0 [pid 11042] <... futex resumed>) = 1 [pid 11039] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] <... futex resumed>) = 0 [pid 11030] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11042] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11039] <... futex resumed>) = 1 [pid 11038] <... futex resumed>) = 0 [pid 11038] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] <... futex resumed>) = 0 [pid 11042] <... bpf resumed>) = 0 [pid 11038] <... futex resumed>) = 0 [pid 11030] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11039] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11038] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11042] <... futex resumed>) = 1 [pid 11039] <... socket resumed>) = 3 [pid 11030] <... futex resumed>) = 0 [pid 11042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11039] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11039] <... futex resumed>) = 1 [pid 11038] <... futex resumed>) = 0 [pid 11030] <... futex resumed>) = 0 [pid 11042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11039] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11038] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11041] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11042] <... bpf resumed>) = 6 [pid 11039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11038] <... futex resumed>) = 0 [pid 11042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11039] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11038] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11042] <... futex resumed>) = 1 [pid 11030] <... futex resumed>) = 0 [pid 11039] <... socket resumed>) = 4 [pid 11042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11041] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11039] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11042] <... bpf resumed>) = 7 [pid 11041] <... openat resumed>) = 3 [pid 11039] <... futex resumed>) = 1 [pid 11038] <... futex resumed>) = 0 [pid 11030] <... futex resumed>) = 0 [pid 11042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11039] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11038] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11042] <... futex resumed>) = 0 [pid 11041] ioctl(3, LOOP_CLR_FD [pid 11039] <... sendto resumed>) = 32 [pid 11038] <... futex resumed>) = 0 [pid 11030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11039] recvfrom(4, [pid 11038] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11030] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11039] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11038}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11030] <... futex resumed>) = 0 [pid 11042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11039] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11042] <... bpf resumed>) = 8 [pid 11039] <... futex resumed>) = 1 [pid 11038] <... futex resumed>) = 0 [pid 11042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11039] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11038] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11042] <... futex resumed>) = 1 [pid 11039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11038] <... futex resumed>) = 0 [pid 11030] <... futex resumed>) = 0 [pid 11042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11039] getsockname(4, [pid 11038] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11030] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11039] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11038, nl_groups=00000000}, [116 => 12]) = 0 [pid 11030] <... futex resumed>) = 0 [pid 11042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11039] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11030] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11042] <... bpf resumed>) = 9 [pid 11039] <... futex resumed>) = 1 [pid 11038] <... futex resumed>) = 0 [pid 11042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11039] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x1e\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11038] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11042] <... futex resumed>) = 1 [pid 11038] <... futex resumed>) = 0 [pid 11030] <... futex resumed>) = 0 [pid 11042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11038] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11041] <... ioctl resumed>) = 0 [pid 11041] close(3) = 0 [pid 11041] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11040] <... futex resumed>) = 0 [pid 11041] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11040] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11041] <... futex resumed>) = 0 [pid 11040] <... futex resumed>) = 1 [pid 11041] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11040] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11041] <... socket resumed>) = 3 [pid 11041] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11040] <... futex resumed>) = 0 [pid 11041] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11040] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11040] <... futex resumed>) = 0 [pid 11041] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11040] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11041] <... socket resumed>) = 4 [pid 11033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11033] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11033] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11041] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11041] <... futex resumed>) = 1 [pid 11040] <... futex resumed>) = 0 [pid 11040] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11041] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11040] <... futex resumed>) = 0 [pid 11033] <... clone3 resumed> => {parent_tid=[11045]}, 88) = 11045 [pid 11033] rt_sigprocmask(SIG_SETMASK, [], [pid 11040] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11033] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11033] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11045 attached [pid 11045] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11045] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11045] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11041] <... sendto resumed>) = 32 [pid 11045] <... futex resumed>) = 1 [pid 11033] <... futex resumed>) = 0 [pid 11045] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11041] recvfrom(4, [pid 11033] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11045] <... bpf resumed>) = 0 [pid 11041] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11040}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11033] <... futex resumed>) = 0 [pid 11045] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11041] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11041] <... futex resumed>) = 1 [pid 11040] <... futex resumed>) = 0 [pid 11033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11033] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11033] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11041] getsockname(4, [pid 11040] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11041] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11040, nl_groups=00000000}, [116 => 12]) = 0 [pid 11040] <... futex resumed>) = 0 [pid 11041] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11040] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11041] <... futex resumed>) = 0 [pid 11040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11041] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11040] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11040] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11045] <... futex resumed>) = 1 [pid 11041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11033] <... futex resumed>) = 0 [ 156.039924][T11041] exfat: Bad value for 'uid' [ 156.065634][T11039] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11041] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x20\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11033] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 11045] <... bpf resumed>) = 6 [pid 11045] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] <... futex resumed>) = 0 [pid 11033] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11045] <... futex resumed>) = 1 [pid 11033] <... futex resumed>) = 0 [pid 11045] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11033] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11045] <... bpf resumed>) = 7 [pid 11045] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11033] <... futex resumed>) = 0 [pid 11045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11033] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11033] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11045] <... bpf resumed>) = 8 [pid 11045] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] <... futex resumed>) = 0 [pid 11033] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11033] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11045] <... futex resumed>) = 1 [pid 11045] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11045] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11033] <... futex resumed>) = 0 [pid 11045] <... futex resumed>) = 1 [pid 11045] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11038] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11038] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11038] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11038] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11038] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11047 attached [pid 11047] set_robust_list(0x7fb9262379a0, 24 [pid 11038] <... clone3 resumed> => {parent_tid=[11047]}, 88) = 11047 [pid 11038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11038] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11038] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11047] <... set_robust_list resumed>) = 0 [pid 11047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11047] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11047] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11038] <... futex resumed>) = 0 [pid 11047] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11038] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11047] <... bpf resumed>) = 0 [pid 11038] <... futex resumed>) = 0 [pid 11047] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11038] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11047] <... futex resumed>) = 0 [pid 11038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11038] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11047] <... bpf resumed>) = 6 [pid 11038] <... futex resumed>) = 0 [pid 11047] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11038] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11047] <... futex resumed>) = 0 [pid 11038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11038] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11047] <... bpf resumed>) = 7 [pid 11038] <... futex resumed>) = 0 [pid 11047] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11038] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11047] <... futex resumed>) = 0 [pid 11038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11038] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11047] <... bpf resumed>) = 8 [pid 11038] <... futex resumed>) = 0 [pid 11047] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11038] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11047] <... futex resumed>) = 0 [pid 11038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11038] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11047] <... bpf resumed>) = 9 [pid 11038] <... futex resumed>) = 0 [pid 11047] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11038] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11047] <... futex resumed>) = 0 [pid 11038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11047] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11028] <... sendmsg resumed>) = 64 [pid 11031] <... sendmsg resumed>) = 64 [pid 11028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11031] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11028] <... futex resumed>) = 0 [pid 11031] <... futex resumed>) = 0 [pid 11028] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11031] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11030] exit_group(0 [pid 11027] exit_group(0 [pid 11042] <... futex resumed>) = ? [pid 11037] <... futex resumed>) = ? [pid 11031] <... futex resumed>) = ? [pid 11030] <... exit_group resumed>) = ? [pid 11028] <... futex resumed>) = ? [pid 11027] <... exit_group resumed>) = ? [pid 11042] +++ exited with 0 +++ [pid 11037] +++ exited with 0 +++ [pid 11031] +++ exited with 0 +++ [pid 11030] +++ exited with 0 +++ [pid 11028] +++ exited with 0 +++ [pid 11027] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11030, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11027, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11048 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3./strace-static-x86_64: Process 11048 attached [pid 11034] <... sendmsg resumed>) = 64 [pid 11034] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 11034] <... futex resumed>) = 0 [pid 11033] exit_group(0 [pid 11045] <... futex resumed>) = ? [pid 11033] <... exit_group resumed>) = ? [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11045] +++ exited with 0 +++ [pid 11040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11034] +++ exited with 0 +++ [pid 11040] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11040] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11049 [pid 11040] <... mprotect resumed>) = 0 [pid 11040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11050]}, 88) = 11050 [pid 11040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11040] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11040] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11049 attached [pid 11049] set_robust_list(0x5555555916a0, 24) = 0 [pid 11049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11049] setpgid(0, 0) = 0 [pid 11049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11049] write(3, "1000", 4) = 4 [pid 11049] close(3) = 0 [pid 11049] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11050 attached ) = 0 [pid 11048] set_robust_list(0x5555555916a0, 24 [pid 11050] set_robust_list(0x7fb9262379a0, 24 [pid 11049] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11048] <... set_robust_list resumed>) = 0 [pid 11050] <... set_robust_list resumed>) = 0 [pid 11050] rt_sigprocmask(SIG_SETMASK, [], [pid 11049] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11050] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11048] setpgid(0, 0 [pid 11050] <... bpf resumed>) = 5 [pid 11048] <... setpgid resumed>) = 0 [pid 11050] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11050] <... futex resumed>) = 1 [pid 11049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11040] <... futex resumed>) = 0 [pid 11050] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11049] <... mmap resumed>) = 0x7fb926238000 [pid 11048] <... openat resumed>) = 3 [pid 11040] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11050] <... bpf resumed>) = 0 [pid 11049] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11048] write(3, "1000", 4 [pid 11040] <... futex resumed>) = 0 [pid 11050] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11049] <... mprotect resumed>) = 0 [pid 11048] <... write resumed>) = 4 [pid 11040] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11050] <... futex resumed>) = 0 [pid 11049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11048] close(3 [pid 11040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11050] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11048] <... close resumed>) = 0 [pid 11040] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11048] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11040] <... futex resumed>) = 0 [ 156.099550][T11041] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. ./strace-static-x86_64: Process 11051 attached [pid 11050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11048] <... futex resumed>) = 0 [pid 11040] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11049] <... clone3 resumed> => {parent_tid=[11051]}, 88) = 11051 [pid 11048] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11049] rt_sigprocmask(SIG_SETMASK, [], [pid 11048] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11051] set_robust_list(0x7fb9262589a0, 24 [pid 11050] <... bpf resumed>) = 6 [pid 11049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11051] <... set_robust_list resumed>) = 0 [pid 11050] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11049] <... futex resumed>) = 0 [pid 11051] rt_sigprocmask(SIG_SETMASK, [], [pid 11050] <... futex resumed>) = 1 [pid 11049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11040] <... futex resumed>) = 0 [pid 11051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11050] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11040] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] <... mmap resumed>) = 0x7fb926238000 [pid 11040] <... futex resumed>) = 0 [pid 11050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11048] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11040] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11051] memfd_create("syzkaller", 0 [pid 11050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11048] <... mprotect resumed>) = 0 [pid 11051] <... memfd_create resumed>) = 3 [pid 11048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11051] <... mmap resumed>) = 0x7fb91de38000 [pid 11051] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11048] <... clone3 resumed> => {parent_tid=[11052]}, 88) = 11052 [pid 11048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11051] <... write resumed>) = 131072 [pid 11048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11051] munmap(0x7fb91de38000, 138412032) = 0 [pid 11051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11051] ioctl(4, LOOP_SET_FD, 3) = 0 ./strace-static-x86_64: Process 11052 attached [pid 11051] close(3 [pid 11052] set_robust_list(0x7fb9262589a0, 24 [pid 11051] <... close resumed>) = 0 [pid 11052] <... set_robust_list resumed>) = 0 [pid 11052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11051] close(4 [pid 11052] memfd_create("syzkaller", 0 [pid 11051] <... close resumed>) = 0 [pid 11051] mkdir("./file0", 0777 [pid 11033] +++ exited with 0 +++ [pid 11051] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11051] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11050] <... bpf resumed>) = 7 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11033, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11052] <... memfd_create resumed>) = 3 [pid 11052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11051] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11051] ioctl(3, LOOP_CLR_FD) = 0 [pid 11051] close(3 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11052] <... mmap resumed>) = 0x7fb91de38000 [pid 297] <... openat resumed>) = 3 [pid 11051] <... close resumed>) = 0 [pid 11051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11049] <... futex resumed>) = 0 [pid 11052] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11049] <... futex resumed>) = 0 [pid 11049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11052] <... write resumed>) = 131072 [pid 297] close(3 [pid 11051] <... futex resumed>) = 1 [pid 11051] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 297] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11052] munmap(0x7fb91de38000, 138412032 [pid 11051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11049] <... futex resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11053 [pid 11049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11052] <... munmap resumed>) = 0 [pid 11049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11052] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11051] <... futex resumed>) = 1 [pid 11052] <... openat resumed>) = 4 [pid 11051] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11049] <... futex resumed>) = 0 [pid 11052] ioctl(4, LOOP_SET_FD, 3 [pid 11049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11051] <... futex resumed>) = 1 [pid 11051] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11051] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11049}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11049] <... futex resumed>) = 0 [pid 11049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11051] <... futex resumed>) = 1 [pid 11051] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11049, nl_groups=00000000}, [116 => 12]) = 0 [pid 11051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11049] <... futex resumed>) = 0 [pid 11049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11051] <... futex resumed>) = 1 [pid 11051] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x29\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 11053 attached [pid 11053] set_robust_list(0x5555555916a0, 24) = 0 [pid 11053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11053] setpgid(0, 0) = 0 [pid 11053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11053] write(3, "1000", 4) = 4 [pid 11041] <... sendmsg resumed>) = 64 [pid 11041] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11041] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11050] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11040] <... futex resumed>) = 0 [pid 11040] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11050] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11041] <... futex resumed>) = 0 [pid 11040] <... futex resumed>) = 1 [pid 11041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11040] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11041] <... bpf resumed>) = 8 [pid 11041] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11040] <... futex resumed>) = 0 [pid 11041] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11040] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11040] <... futex resumed>) = 0 [pid 11041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11040] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11041] <... bpf resumed>) = 9 [pid 11041] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11040] <... futex resumed>) = 0 [pid 11041] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11040] exit_group(0 [pid 11050] <... futex resumed>) = ? [pid 11041] <... futex resumed>) = ? [pid 11040] <... exit_group resumed>) = ? [pid 11053] close(3 [pid 11050] +++ exited with 0 +++ [pid 11041] +++ exited with 0 +++ [pid 11040] +++ exited with 0 +++ [pid 11053] <... close resumed>) = 0 [pid 11053] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11040, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11053] <... futex resumed>) = 0 [pid 11053] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 298] <... openat resumed>) = 3 [pid 11053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 11053] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 298] <... close resumed>) = 0 [pid 11053] <... mprotect resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 11055 attached [pid 11053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11052] <... ioctl resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11055 [pid 11055] set_robust_list(0x5555555916a0, 24 [pid 11052] close(3./strace-static-x86_64: Process 11056 attached [pid 11055] <... set_robust_list resumed>) = 0 [pid 11053] <... clone3 resumed> => {parent_tid=[11056]}, 88) = 11056 [pid 11052] <... close resumed>) = 0 [pid 11055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11053] rt_sigprocmask(SIG_SETMASK, [], [pid 11052] close(4 [pid 11056] set_robust_list(0x7fb9262589a0, 24 [pid 11055] <... prctl resumed>) = 0 [pid 11053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11052] <... close resumed>) = 0 [pid 11055] setpgid(0, 0 [pid 11053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11052] mkdir("./file0", 0777 [pid 11055] <... setpgid resumed>) = 0 [pid 11053] <... futex resumed>) = 0 [pid 11052] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11056] <... set_robust_list resumed>) = 0 [pid 11056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11056] memfd_create("syzkaller", 0) = 3 [pid 11056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11052] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11056] <... mmap resumed>) = 0x7fb91de38000 [ 156.168722][T11051] loop0: detected capacity change from 0 to 256 [ 156.178227][T11051] exfat: Bad value for 'uid' [ 156.191599][T11052] loop3: detected capacity change from 0 to 256 [pid 11056] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11056] munmap(0x7fb91de38000, 138412032) = 0 [pid 11056] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11056] ioctl(4, LOOP_SET_FD, 3 [pid 11055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11056] <... ioctl resumed>) = 0 [pid 11056] close(3) = 0 [pid 11056] close(4) = 0 [pid 11056] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11056] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11055] <... openat resumed>) = 3 [pid 11052] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11055] write(3, "1000", 4 [pid 11052] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11055] <... write resumed>) = 4 [pid 11055] close(3) = 0 [pid 11052] <... openat resumed>) = 3 [pid 11055] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11052] ioctl(3, LOOP_CLR_FD [pid 11055] <... futex resumed>) = 0 [pid 11055] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11056] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11039] <... sendmsg resumed>) = 64 [pid 11055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11039] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11039] <... futex resumed>) = 0 [pid 11055] <... mmap resumed>) = 0x7fb926238000 [pid 11039] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11055] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11038] exit_group(0 [pid 11047] <... futex resumed>) = ? [pid 11038] <... exit_group resumed>) = ? [pid 11055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11047] +++ exited with 0 +++ [pid 11039] <... futex resumed>) = ? [pid 11056] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11056] ioctl(3, LOOP_CLR_FD) = 0 [pid 11056] close(3) = 0 [pid 11056] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11053] <... futex resumed>) = 0 [pid 11053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11039] +++ exited with 0 +++ [pid 11055] <... clone3 resumed> => {parent_tid=[11057]}, 88) = 11057 [pid 11038] +++ exited with 0 +++ [pid 11055] rt_sigprocmask(SIG_SETMASK, [], [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11038, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11055] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11055] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11056] <... futex resumed>) = 1 [pid 11056] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11056] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11058 [pid 11053] <... futex resumed>) = 0 [pid 11053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11056] <... futex resumed>) = 1 [pid 11056] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11056] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11053] <... futex resumed>) = 0 [pid 11053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11056] <... futex resumed>) = 1 [pid 11049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11049] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11049] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11059]}, 88) = 11059 [pid 11049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11056] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11056] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11053}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11056] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11053] <... futex resumed>) = 0 [pid 11053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11056] <... futex resumed>) = 1 [pid 11056] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11053, nl_groups=00000000}, [116 => 12]) = 0 [pid 11056] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11053] <... futex resumed>) = 0 [pid 11053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11056] <... futex resumed>) = 1 [pid 11056] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2d\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 11057 attached [pid 11057] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11057] memfd_create("syzkaller", 0) = 3 [pid 11057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 ./strace-static-x86_64: Process 11058 attached [pid 11058] set_robust_list(0x5555555916a0, 24) = 0 [pid 11058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11057] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11058] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 11059 attached [pid 11058] setpgid(0, 0) = 0 [pid 11052] <... ioctl resumed>) = 0 [pid 11059] set_robust_list(0x7fb9262379a0, 24 [pid 11058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11052] close(3) = 0 [pid 11059] <... set_robust_list resumed>) = 0 [pid 11058] <... openat resumed>) = 3 [pid 11052] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11048] <... futex resumed>) = 0 [pid 11058] write(3, "1000", 4 [pid 11059] rt_sigprocmask(SIG_SETMASK, [], [pid 11052] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11058] <... write resumed>) = 4 [pid 11052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11048] <... futex resumed>) = 0 [pid 11059] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11058] close(3 [pid 11052] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11059] <... bpf resumed>) = 5 [pid 11058] <... close resumed>) = 0 [pid 11052] <... socket resumed>) = 3 [pid 11057] <... write resumed>) = 131072 [pid 11057] munmap(0x7fb91de38000, 138412032) = 0 [pid 11057] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 156.217569][T11052] exfat: Bad value for 'uid' [ 156.220893][T11056] loop1: detected capacity change from 0 to 256 [ 156.230267][T11056] exfat: Bad value for 'uid' [pid 11057] ioctl(4, LOOP_SET_FD, 3 [pid 11059] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11058] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11052] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] <... futex resumed>) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11052] <... futex resumed>) = 1 [pid 11049] <... futex resumed>) = 0 [pid 11048] <... futex resumed>) = 0 [pid 11059] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11052] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11049] <... futex resumed>) = 0 [pid 11048] <... futex resumed>) = 0 [pid 11059] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11052] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11059] <... bpf resumed>) = 0 [pid 11058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11052] <... socket resumed>) = 4 [pid 11059] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11052] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] <... futex resumed>) = 1 [pid 11058] <... mmap resumed>) = 0x7fb926238000 [pid 11052] <... futex resumed>) = 1 [pid 11049] <... futex resumed>) = 0 [pid 11048] <... futex resumed>) = 0 [pid 11059] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11052] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... mprotect resumed>) = 0 [pid 11052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11049] <... futex resumed>) = 0 [pid 11048] <... futex resumed>) = 0 [pid 11059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11057] <... ioctl resumed>) = 0 [pid 11052] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11057] close(3 [pid 11052] <... sendto resumed>) = 32 [pid 11059] <... bpf resumed>) = 6 [pid 11058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11057] <... close resumed>) = 0 [pid 11052] recvfrom(4, ./strace-static-x86_64: Process 11061 attached [pid 11059] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11057] close(4 [pid 11052] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11048}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11061] set_robust_list(0x7fb9262589a0, 24 [pid 11059] <... futex resumed>) = 1 [pid 11058] <... clone3 resumed> => {parent_tid=[11061]}, 88) = 11061 [pid 11057] <... close resumed>) = 0 [pid 11049] <... futex resumed>) = 0 [pid 11059] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11057] mkdir("./file0", 0777 [pid 11049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11057] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11049] <... futex resumed>) = 0 [pid 11059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11057] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11061] <... set_robust_list resumed>) = 0 [pid 11059] <... bpf resumed>) = 7 [pid 11058] rt_sigprocmask(SIG_SETMASK, [], [pid 11052] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] rt_sigprocmask(SIG_SETMASK, [], [pid 11058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11052] <... futex resumed>) = 1 [pid 11048] <... futex resumed>) = 0 [pid 11061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11058] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11052] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] memfd_create("syzkaller", 0 [pid 11058] <... futex resumed>) = 0 [pid 11052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11048] <... futex resumed>) = 0 [pid 11061] <... memfd_create resumed>) = 3 [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11052] getsockname(4, [pid 11048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11052] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11048, nl_groups=00000000}, [116 => 12]) = 0 [pid 11061] <... mmap resumed>) = 0x7fb91de38000 [pid 11052] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11057] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11052] <... futex resumed>) = 1 [pid 11048] <... futex resumed>) = 0 [pid 11059] <... futex resumed>) = 1 [pid 11057] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11052] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11049] <... futex resumed>) = 0 [pid 11048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11057] <... openat resumed>) = 3 [pid 11052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] <... futex resumed>) = 0 [pid 11061] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11057] ioctl(3, LOOP_CLR_FD [pid 11052] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x28\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11049] <... futex resumed>) = 0 [pid 11048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11061] <... write resumed>) = 131072 [pid 11059] <... bpf resumed>) = 8 [pid 11059] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11049] <... futex resumed>) = 0 [pid 11059] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11049] <... futex resumed>) = 0 [pid 11059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11059] <... bpf resumed>) = 9 [pid 11059] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11049] <... futex resumed>) = 0 [pid 11059] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11061] munmap(0x7fb91de38000, 138412032) = 0 [pid 11061] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11061] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11061] close(3) = 0 [pid 11051] <... sendmsg resumed>) = 64 [pid 11061] close(4 [pid 11051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] <... close resumed>) = 0 [pid 11051] <... futex resumed>) = 0 [pid 11061] mkdir("./file0", 0777 [pid 11051] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11049] exit_group(0 [pid 11061] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11059] <... futex resumed>) = ? [pid 11051] <... futex resumed>) = ? [pid 11049] <... exit_group resumed>) = ? [pid 11061] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11059] +++ exited with 0 +++ [pid 11053] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11051] +++ exited with 0 +++ [pid 11049] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11049, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 11061] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11053] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 11061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11053] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11061] <... openat resumed>) = 3 [pid 11053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11061] ioctl(3, LOOP_CLR_FD [pid 11053] <... mmap resumed>) = 0x7fb926217000 [pid 11053] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11063 [pid 11053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 11063 attached [pid 11053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11063] set_robust_list(0x5555555916a0, 24) = 0 ./strace-static-x86_64: Process 11064 attached [pid 11053] <... clone3 resumed> => {parent_tid=[11064]}, 88) = 11064 [pid 11064] set_robust_list(0x7fb9262379a0, 24 [pid 11053] rt_sigprocmask(SIG_SETMASK, [], [pid 11063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11064] <... set_robust_list resumed>) = 0 [pid 11063] <... prctl resumed>) = 0 [pid 11053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11063] setpgid(0, 0 [pid 11053] <... futex resumed>) = 0 [pid 11064] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11063] <... setpgid resumed>) = 0 [pid 11053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11064] <... bpf resumed>) = 5 [pid 11063] <... openat resumed>) = 3 [pid 11064] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11063] write(3, "1000", 4 [pid 11064] <... futex resumed>) = 1 [pid 11064] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11063] <... write resumed>) = 4 [pid 11053] <... futex resumed>) = 0 [pid 11063] close(3 [pid 11053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11063] <... close resumed>) = 0 [pid 11053] <... futex resumed>) = 1 [pid 11064] <... futex resumed>) = 0 [pid 11063] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11064] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11063] <... futex resumed>) = 0 [pid 11064] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11053] <... futex resumed>) = 0 [pid 11064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11063] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11063] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11053] <... futex resumed>) = 0 [pid 11063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11064] <... bpf resumed>) = 6 [pid 11063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11064] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11053] <... futex resumed>) = 0 [pid 11064] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11063] <... mmap resumed>) = 0x7fb926238000 [pid 11053] <... futex resumed>) = 0 [pid 11064] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11063] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11063] <... mprotect resumed>) = 0 [pid 11057] <... ioctl resumed>) = 0 [pid 11063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11057] close(3 [pid 11063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11057] <... close resumed>) = 0 [pid 11063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11057] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11055] <... futex resumed>) = 0 [pid 11063] <... clone3 resumed> => {parent_tid=[11065]}, 88) = 11065 [pid 11057] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11055] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11063] rt_sigprocmask(SIG_SETMASK, [], [pid 11057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11055] <... futex resumed>) = 0 [pid 11063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11057] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11055] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11063] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11057] <... socket resumed>) = 3 [pid 11063] <... futex resumed>) = 0 [pid 11057] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11063] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11057] <... futex resumed>) = 1 [pid 11055] <... futex resumed>) = 0 [pid 11057] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11055] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11055] <... futex resumed>) = 0 [pid 11057] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11055] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11057] <... socket resumed>) = 4 [pid 11057] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11055] <... futex resumed>) = 0 [pid 11057] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11055] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11055] <... futex resumed>) = 0 [pid 11057] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11055] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11065 attached [pid 11064] <... bpf resumed>) = 7 [pid 11057] <... sendto resumed>) = 32 [pid 11065] set_robust_list(0x7fb9262589a0, 24 [pid 11064] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11057] recvfrom(4, [pid 11065] <... set_robust_list resumed>) = 0 [pid 11064] <... futex resumed>) = 1 [pid 11057] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11055}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11053] <... futex resumed>) = 0 [pid 11065] rt_sigprocmask(SIG_SETMASK, [], [pid 11064] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11057] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11057] <... futex resumed>) = 1 [pid 11055] <... futex resumed>) = 0 [pid 11053] <... futex resumed>) = 0 [pid 11065] memfd_create("syzkaller", 0 [pid 11064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11057] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11055] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11055] <... futex resumed>) = 0 [pid 11057] getsockname(4, [pid 11055] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11057] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11055, nl_groups=00000000}, [116 => 12]) = 0 [pid 11057] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11055] <... futex resumed>) = 0 [pid 11065] <... memfd_create resumed>) = 3 [pid 11064] <... bpf resumed>) = 8 [pid 11057] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11055] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11064] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11055] <... futex resumed>) = 0 [pid 11065] <... mmap resumed>) = 0x7fb91de38000 [pid 11064] <... futex resumed>) = 1 [pid 11057] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2f\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11055] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11053] <... futex resumed>) = 0 [pid 11064] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11053] <... futex resumed>) = 0 [pid 11064] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11065] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11064] <... bpf resumed>) = 9 [pid 11064] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11048] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] <... write resumed>) = 131072 [pid 11048] <... futex resumed>) = 0 [pid 11064] <... futex resumed>) = 1 [pid 11053] <... futex resumed>) = 0 [pid 11048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11048] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11064] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11067]}, 88) = 11067 [pid 11048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11065] munmap(0x7fb91de38000, 138412032 [pid 11048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11065] <... munmap resumed>) = 0 [pid 11065] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11065] <... openat resumed>) = 4 [ 156.262314][T11057] loop2: detected capacity change from 0 to 256 [ 156.274813][T11057] exfat: Bad value for 'uid' [ 156.289559][T11061] loop4: detected capacity change from 0 to 256 [ 156.301057][T11061] exfat: Bad value for 'uid' [pid 11065] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11067 attached [pid 11067] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11067] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] <... futex resumed>) = 0 [pid 11048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11067] <... futex resumed>) = 1 [pid 11067] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11067] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] <... futex resumed>) = 0 [pid 11048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11067] <... futex resumed>) = 1 [pid 11067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11067] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] <... futex resumed>) = 0 [pid 11048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11067] <... futex resumed>) = 1 [pid 11067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11065] <... ioctl resumed>) = 0 [pid 11067] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] close(3 [pid 11067] <... futex resumed>) = 1 [pid 11048] <... futex resumed>) = 0 [pid 11067] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11065] <... close resumed>) = 0 [pid 11048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11065] close(4 [pid 11061] <... ioctl resumed>) = 0 [pid 11056] <... sendmsg resumed>) = 64 [pid 11061] close(3 [pid 11056] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11053] exit_group(0 [pid 11048] <... futex resumed>) = 0 [pid 11061] <... close resumed>) = 0 [pid 11056] <... futex resumed>) = ? [pid 11053] <... exit_group resumed>) = ? [pid 11061] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11056] +++ exited with 0 +++ [pid 11064] <... futex resumed>) = ? [pid 11061] <... futex resumed>) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11061] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11065] <... close resumed>) = 0 [pid 11058] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11065] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11061] <... futex resumed>) = 0 [pid 11058] <... futex resumed>) = 1 [pid 11061] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11065] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11061] <... socket resumed>) = 3 [pid 11067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11065] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11061] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11061] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11065] <... openat resumed>) = 3 [pid 11058] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... futex resumed>) = 0 [pid 11065] ioctl(3, LOOP_CLR_FD [pid 11061] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11061] <... socket resumed>) = 4 [pid 11061] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11067] <... bpf resumed>) = 8 [pid 11061] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11067] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... futex resumed>) = 0 [pid 11067] <... futex resumed>) = 1 [pid 11061] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11048] <... futex resumed>) = 0 [pid 11067] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11061] <... sendto resumed>) = 32 [pid 11067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11061] recvfrom(4, [pid 11048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11061] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11058}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11061] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11048] <... futex resumed>) = 0 [pid 11061] <... futex resumed>) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11061] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... futex resumed>) = 0 [pid 11061] getsockname(4, [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11061] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11058, nl_groups=00000000}, [116 => 12]) = 0 [pid 11061] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11061] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... futex resumed>) = 0 [pid 11061] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x32\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11064] +++ exited with 0 +++ [pid 11053] +++ exited with 0 +++ [pid 11067] <... bpf resumed>) = 9 [pid 11067] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11048] <... futex resumed>) = 0 [pid 11067] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11053, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11069 ./strace-static-x86_64: Process 11069 attached [pid 11069] set_robust_list(0x5555555916a0, 24) = 0 [pid 11069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11065] <... ioctl resumed>) = 0 [pid 11055] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11065] close(3 [pid 11055] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] <... close resumed>) = 0 [pid 11055] <... futex resumed>) = 0 [pid 11065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11065] <... futex resumed>) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11065] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11063] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11055] <... mmap resumed>) = 0x7fb926217000 [pid 11069] <... prctl resumed>) = 0 [pid 11063] <... futex resumed>) = 0 [pid 11055] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11063] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11055] <... mprotect resumed>) = 0 [pid 11055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11070]}, 88) = 11070 [pid 11055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11055] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11055] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11069] setpgid(0, 0) = 0 [pid 11069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11069] write(3, "1000", 4) = 4 [pid 11065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11069] close(3) = 0 [pid 11069] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11069] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11069] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11065] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11069] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11065] <... socket resumed>) = 3 [pid 11069] <... clone3 resumed> => {parent_tid=[11071]}, 88) = 11071 [pid 11069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11069] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11069] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11070 attached [pid 11070] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11070] rt_sigprocmask(SIG_SETMASK, [], [pid 11065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11063] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11063] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11070] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11065] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE./strace-static-x86_64: Process 11071 attached ) = 4 [pid 11070] <... bpf resumed>) = 5 [pid 11065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11052] <... sendmsg resumed>) = 64 [pid 11065] <... futex resumed>) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11052] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11063] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11052] <... futex resumed>) = 0 [pid 11048] exit_group(0 [pid 11067] <... futex resumed>) = ? [pid 11065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11063] <... futex resumed>) = 0 [pid 11048] <... exit_group resumed>) = ? [pid 11067] +++ exited with 0 +++ [pid 11065] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11063] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11052] +++ exited with 0 +++ [pid 11070] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11055] <... futex resumed>) = 0 [pid 11070] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11055] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11070] <... bpf resumed>) = 0 [pid 11055] <... futex resumed>) = 0 [pid 11070] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11055] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11070] <... futex resumed>) = 0 [pid 11055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11055] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11071] set_robust_list(0x7fb9262589a0, 24 [pid 11065] <... sendto resumed>) = 32 [pid 11055] <... futex resumed>) = 0 [pid 11048] +++ exited with 0 +++ [pid 11071] <... set_robust_list resumed>) = 0 [pid 11070] <... bpf resumed>) = 6 [pid 11065] recvfrom(4, [pid 11055] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11070] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11063}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11071] rt_sigprocmask(SIG_SETMASK, [], [pid 11070] <... futex resumed>) = 1 [pid 11055] <... futex resumed>) = 0 [pid 11065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11055] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11065] <... futex resumed>) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11055] <... futex resumed>) = 0 [pid 11065] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11063] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11055] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11063] <... futex resumed>) = 0 [pid 11065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11063] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11065] getsockname(4, [pid 11071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11065] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11063, nl_groups=00000000}, [116 => 12]) = 0 [pid 11065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... restart_syscall resumed>) = 0 [pid 11071] memfd_create("syzkaller", 0 [pid 11065] <... futex resumed>) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11071] <... memfd_create resumed>) = 3 [pid 11065] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11063] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11063] <... futex resumed>) = 0 [pid 11071] <... mmap resumed>) = 0x7fb91de38000 [pid 11065] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x37\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11063] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11070] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11071] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 299] close(3 [pid 11071] <... write resumed>) = 131072 [pid 11071] munmap(0x7fb91de38000, 138412032) = 0 [pid 299] <... close resumed>) = 0 [pid 11071] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11071] <... openat resumed>) = 4 [pid 11070] <... bpf resumed>) = 7 [pid 11070] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11073 [pid 11070] <... futex resumed>) = 1 [pid 11055] <... futex resumed>) = 0 [ 156.338124][T11065] loop0: detected capacity change from 0 to 256 [ 156.353101][T11065] exfat: Bad value for 'uid' [pid 11070] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11073 attached [pid 11055] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11070] <... futex resumed>) = 0 [pid 11055] <... futex resumed>) = 1 [pid 11070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11055] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11073] set_robust_list(0x5555555916a0, 24 [pid 11071] ioctl(4, LOOP_SET_FD, 3 [pid 11073] <... set_robust_list resumed>) = 0 [pid 11070] <... bpf resumed>) = 8 [pid 11070] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11055] <... futex resumed>) = 0 [pid 11070] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11055] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11055] <... futex resumed>) = 0 [pid 11070] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11055] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11071] <... ioctl resumed>) = 0 [pid 11073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11071] close(3 [pid 11073] <... prctl resumed>) = 0 [pid 11071] <... close resumed>) = 0 [pid 11073] setpgid(0, 0 [pid 11071] close(4 [pid 11070] <... bpf resumed>) = 9 [pid 11073] <... setpgid resumed>) = 0 [pid 11071] <... close resumed>) = 0 [pid 11071] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11071] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11070] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11073] <... openat resumed>) = 3 [pid 11073] write(3, "1000", 4) = 4 [pid 11073] close(3) = 0 [pid 11073] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11073] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11070] <... futex resumed>) = 1 [pid 11073] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11070] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11073] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11055] <... futex resumed>) = 0 [pid 11073] <... clone3 resumed> => {parent_tid=[11074]}, 88) = 11074 [pid 11073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11073] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11073] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11071] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 11074 attached [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11074] set_robust_list(0x7fb9262589a0, 24 [pid 11071] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11057] <... sendmsg resumed>) = 64 [pid 11058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11057] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11058] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11057] <... futex resumed>) = 0 [pid 11058] <... futex resumed>) = 0 [pid 11057] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11058] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11055] exit_group(0 [pid 11058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11055] <... exit_group resumed>) = ? [pid 11070] <... futex resumed>) = ? [pid 11058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11057] <... futex resumed>) = ? [pid 11057] +++ exited with 0 +++ [pid 11058] <... clone3 resumed> => {parent_tid=[11075]}, 88) = 11075 [pid 11058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11058] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11058] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11071] <... openat resumed>) = 3 [pid 11071] ioctl(3, LOOP_CLR_FD [pid 11074] <... set_robust_list resumed>) = 0 [pid 11074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11074] memfd_create("syzkaller", 0) = 3 [pid 11074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 ./strace-static-x86_64: Process 11075 attached [pid 11070] +++ exited with 0 +++ [pid 11055] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11055, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11075] set_robust_list(0x7fb9262379a0, 24 [pid 11074] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11075] <... set_robust_list resumed>) = 0 [pid 11074] <... write resumed>) = 131072 [pid 11074] munmap(0x7fb91de38000, 138412032 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11074] <... munmap resumed>) = 0 [pid 11075] rt_sigprocmask(SIG_SETMASK, [], [pid 298] <... openat resumed>) = 3 [pid 11074] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 298] ioctl(3, LOOP_CLR_FD [pid 11074] <... openat resumed>) = 4 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11074] ioctl(4, LOOP_SET_FD, 3 [pid 298] close(3 [pid 11075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] <... close resumed>) = 0 [pid 11075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11075] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11075] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... futex resumed>) = 0 [pid 11075] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11058] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11075] <... bpf resumed>) = 0 [pid 11075] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11075] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... futex resumed>) = 0 [pid 11075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11058] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11075] <... bpf resumed>) = 6 [pid 11075] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11075] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... futex resumed>) = 0 [pid 11075] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11058] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11074] <... ioctl resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11074] close(3) = 0 ./strace-static-x86_64: Process 11076 attached [pid 11074] close(4 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11076 [pid 11076] set_robust_list(0x5555555916a0, 24) = 0 [pid 11076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11076] setpgid(0, 0) = 0 [pid 11076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11076] write(3, "1000", 4) = 4 [pid 11076] close(3) = 0 [pid 11076] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11076] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11077]}, 88) = 11077 [pid 11076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11076] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11077 attached [pid 11077] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11077] memfd_create("syzkaller", 0) = 3 [pid 11077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11077] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11077] munmap(0x7fb91de38000, 138412032) = 0 [pid 11077] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11077] ioctl(4, LOOP_SET_FD, 3 [pid 11063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11063] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11077] <... ioctl resumed>) = 0 [pid 11077] close(3) = 0 [pid 11077] close(4) = 0 [pid 11077] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11077] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11063] <... mmap resumed>) = 0x7fb926217000 [pid 11075] <... bpf resumed>) = 7 [pid 11063] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11061] <... sendmsg resumed>) = 64 [pid 11061] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11061] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11077] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11077] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11077] <... openat resumed>) = 3 [pid 11077] ioctl(3, LOOP_CLR_FD) = 0 [pid 11077] close(3) = 0 [pid 11077] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11077] <... futex resumed>) = 1 [pid 11077] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11078]}, 88) = 11078 [pid 11063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11077] <... socket resumed>) = 3 [pid 11077] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11077] <... futex resumed>) = 1 [pid 11077] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11063] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11077] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11063] <... futex resumed>) = 0 [pid 11063] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11077] <... futex resumed>) = 1 [pid 11077] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11077] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11076}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11077] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11077] <... futex resumed>) = 1 [pid 11077] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11076, nl_groups=00000000}, [116 => 12]) = 0 [pid 11077] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11077] <... futex resumed>) = 1 [pid 11077] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x44\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11075] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11058] <... futex resumed>) = 0 [pid 11075] <... futex resumed>) = 1 [pid 11058] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] <... futex resumed>) = 0 [pid 11058] <... futex resumed>) = 1 [pid 11075] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11078 attached [pid 11078] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11078] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11078] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11061] <... bpf resumed>) = 8 [pid 11063] <... futex resumed>) = 0 [pid 11061] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11063] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11061] <... futex resumed>) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11063] <... futex resumed>) = 1 [pid 11061] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11063] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11058] <... futex resumed>) = 0 [pid 11061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11058] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11061] <... bpf resumed>) = 9 [pid 11061] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11058] <... futex resumed>) = 0 [pid 11061] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11058] exit_group(0 [pid 11061] <... futex resumed>) = ? [pid 11058] <... exit_group resumed>) = ? [pid 11061] +++ exited with 0 +++ [pid 11075] <... futex resumed>) = ? [pid 11078] <... futex resumed>) = 0 [pid 11078] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11078] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11063] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11063] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11074] <... close resumed>) = 0 [pid 11078] <... bpf resumed>) = 6 [pid 11075] +++ exited with 0 +++ [pid 11074] mkdir("./file0", 0777 [pid 11058] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11074] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11074] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11080 [pid 11078] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11063] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 156.401851][T11071] loop1: detected capacity change from 0 to 256 [ 156.410209][T11071] exfat: Bad value for 'uid' [ 156.423108][T11074] loop3: detected capacity change from 0 to 256 [ 156.437229][T11077] loop2: detected capacity change from 0 to 256 [ 156.444617][T11077] exfat: Bad value for 'uid' [pid 11063] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 11080 attached [pid 11080] set_robust_list(0x5555555916a0, 24) = 0 [pid 11071] <... ioctl resumed>) = 0 [pid 11080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11080] setpgid(0, 0) = 0 [pid 11080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11080] write(3, "1000", 4) = 4 [pid 11080] close(3) = 0 [pid 11080] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11080] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11080] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11071] close(3 [pid 11074] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11071] <... close resumed>) = 0 [pid 11078] <... bpf resumed>) = 7 [pid 11071] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] <... sendmsg resumed>) = 64 [pid 11078] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11065] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11078] <... futex resumed>) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11071] <... futex resumed>) = 1 [pid 11069] <... futex resumed>) = 0 [pid 11078] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11071] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11069] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11063] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11069] <... futex resumed>) = 0 [pid 11065] <... futex resumed>) = 0 [pid 11071] <... socket resumed>) = 3 [pid 11069] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11063] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11081]}, 88) = 11081 [pid 11080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11080] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11065] <... bpf resumed>) = 8 [pid 11080] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11081 attached [pid 11081] set_robust_list(0x7fb9262589a0, 24 [pid 11071] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11071] <... futex resumed>) = 1 [pid 11069] <... futex resumed>) = 0 [pid 11065] <... futex resumed>) = 1 [pid 11063] <... futex resumed>) = 0 [pid 11071] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11069] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11063] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11069] <... futex resumed>) = 0 [pid 11063] <... futex resumed>) = 0 [pid 11071] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11069] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11065] <... bpf resumed>) = 9 [pid 11063] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11071] <... socket resumed>) = 4 [pid 11065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11071] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] <... futex resumed>) = 1 [pid 11071] <... futex resumed>) = 1 [pid 11069] <... futex resumed>) = 0 [pid 11063] <... futex resumed>) = 0 [pid 11071] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11069] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11065] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11063] exit_group(0 [pid 11069] <... futex resumed>) = 0 [pid 11071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11063] <... exit_group resumed>) = ? [pid 11078] <... futex resumed>) = ? [pid 11069] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11078] +++ exited with 0 +++ [pid 11071] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11065] <... futex resumed>) = ? [pid 11081] <... set_robust_list resumed>) = 0 [pid 11081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11081] memfd_create("syzkaller", 0 [pid 11071] <... sendto resumed>) = 32 [pid 11081] <... memfd_create resumed>) = 3 [pid 11081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11071] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11069}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11071] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11069] <... futex resumed>) = 0 [pid 11071] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11069] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11069] <... futex resumed>) = 0 [pid 11071] getsockname(4, [pid 11069] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11071] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11069, nl_groups=00000000}, [116 => 12]) = 0 [pid 11065] +++ exited with 0 +++ [pid 11063] +++ exited with 0 +++ [pid 11071] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11069] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11063, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11071] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11069] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11069] <... futex resumed>) = 0 [pid 11069] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11071] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3d\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 11074] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11083 attached [pid 11083] set_robust_list(0x5555555916a0, 24) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11083 [pid 11074] <... openat resumed>) = 3 [pid 11083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11083] setpgid(0, 0) = 0 [pid 11074] ioctl(3, LOOP_CLR_FD [pid 11083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11081] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11083] write(3, "1000", 4) = 4 [pid 11083] close(3) = 0 [pid 11083] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11083] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11081] <... write resumed>) = 131072 [pid 11083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11083] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11081] munmap(0x7fb91de38000, 138412032 [pid 11083] <... mprotect resumed>) = 0 [pid 11081] <... munmap resumed>) = 0 [pid 11083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11081] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 ./strace-static-x86_64: Process 11084 attached [pid 11081] ioctl(4, LOOP_SET_FD, 3 [pid 11083] <... clone3 resumed> => {parent_tid=[11084]}, 88) = 11084 [pid 11084] set_robust_list(0x7fb9262589a0, 24 [pid 11083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 156.465743][T11074] exfat: Bad value for 'uid' [pid 11083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11084] <... set_robust_list resumed>) = 0 [pid 11084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11084] memfd_create("syzkaller", 0) = 3 [pid 11084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11084] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11076] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11076] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11085]}, 88) = 11085 [pid 11076] rt_sigprocmask(SIG_SETMASK, [], [pid 11084] <... write resumed>) = 131072 ./strace-static-x86_64: Process 11085 attached [pid 11081] <... ioctl resumed>) = 0 [pid 11076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11084] munmap(0x7fb91de38000, 138412032 [pid 11076] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11084] <... munmap resumed>) = 0 [pid 11081] close(3 [pid 11085] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11084] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11081] <... close resumed>) = 0 [pid 11085] <... bpf resumed>) = 5 [pid 11081] close(4 [pid 11084] <... openat resumed>) = 4 [pid 11084] ioctl(4, LOOP_SET_FD, 3 [pid 11081] <... close resumed>) = 0 [pid 11085] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] mkdir("./file0", 0777 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11085] <... futex resumed>) = 1 [pid 11085] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11085] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11085] <... futex resumed>) = 1 [pid 11085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11085] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11085] <... futex resumed>) = 1 [pid 11085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11084] <... ioctl resumed>) = 0 [pid 11081] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11081] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11085] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] close(3 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11085] <... futex resumed>) = 1 [pid 11085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11084] <... close resumed>) = 0 [pid 11084] close(4 [pid 11085] <... bpf resumed>) = 8 [pid 11084] <... close resumed>) = 0 [pid 11081] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11081] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11085] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] mkdir("./file0", 0777 [pid 11076] <... futex resumed>) = 0 [pid 11076] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11076] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11085] <... futex resumed>) = 1 [pid 11084] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11084] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11081] ioctl(3, LOOP_CLR_FD [pid 11085] <... bpf resumed>) = 9 [pid 11085] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11076] <... futex resumed>) = 0 [pid 11085] <... futex resumed>) = 1 [pid 11085] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11084] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11084] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11074] <... ioctl resumed>) = 0 [pid 11084] <... openat resumed>) = 3 [pid 11084] ioctl(3, LOOP_CLR_FD [pid 11074] close(3) = 0 [pid 11074] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11073] <... futex resumed>) = 0 [pid 11074] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11073] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11073] <... futex resumed>) = 0 [pid 11074] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11073] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11074] <... socket resumed>) = 3 [pid 11074] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11073] <... futex resumed>) = 0 [pid 11074] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11073] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11073] <... futex resumed>) = 0 [pid 11074] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11073] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11074] <... socket resumed>) = 4 [pid 11074] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11073] <... futex resumed>) = 0 [pid 11074] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11073] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11073] <... futex resumed>) = 0 [pid 11074] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11073] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11074] <... sendto resumed>) = 32 [pid 11069] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11074] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11073}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11074] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11074] <... futex resumed>) = 1 [pid 11073] <... futex resumed>) = 0 [pid 11069] <... futex resumed>) = 0 [pid 11074] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11073] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11073] <... futex resumed>) = 0 [pid 11069] <... mmap resumed>) = 0x7fb926217000 [pid 11074] getsockname(4, [pid 11073] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11069] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11074] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11073, nl_groups=00000000}, [116 => 12]) = 0 [pid 11069] <... mprotect resumed>) = 0 [pid 11074] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11074] <... futex resumed>) = 1 [pid 11073] <... futex resumed>) = 0 [pid 11069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11074] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11073] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11073] <... futex resumed>) = 0 [pid 11074] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x41\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11073] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11069] <... clone3 resumed> => {parent_tid=[11086]}, 88) = 11086 ./strace-static-x86_64: Process 11086 attached [pid 11069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11069] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11069] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11086] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11086] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11069] <... futex resumed>) = 0 [pid 11086] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11069] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11069] <... futex resumed>) = 0 [pid 11081] <... ioctl resumed>) = 0 [pid 11069] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11081] close(3) = 0 [pid 11086] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11081] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11080] <... futex resumed>) = 0 [pid 11081] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11086] <... bpf resumed>) = 0 [pid 11081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11080] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11086] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] <... ioctl resumed>) = 0 [pid 11081] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11080] <... futex resumed>) = 0 [pid 11086] <... futex resumed>) = 1 [pid 11084] close(3 [pid 11081] <... socket resumed>) = 3 [pid 11080] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11069] <... futex resumed>) = 0 [pid 11086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11084] <... close resumed>) = 0 [pid 11081] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11069] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11086] <... bpf resumed>) = 6 [pid 11084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] <... futex resumed>) = 0 [pid 11080] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] <... futex resumed>) = 0 [pid 11086] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] <... futex resumed>) = 1 [pid 11083] <... futex resumed>) = 0 [pid 11081] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11080] <... futex resumed>) = 0 [pid 11069] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11086] <... futex resumed>) = 0 [pid 11084] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] <... socket resumed>) = 4 [pid 11080] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11083] <... futex resumed>) = 0 [pid 11081] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11069] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11081] <... futex resumed>) = 0 [pid 11080] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] <... futex resumed>) = 0 [pid 11084] <... socket resumed>) = 3 [pid 11081] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11080] <... futex resumed>) = 0 [pid 11069] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] <... sendto resumed>) = 32 [pid 11080] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11084] <... futex resumed>) = 1 [pid 11083] <... futex resumed>) = 0 [pid 11081] recvfrom(4, [pid 11084] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11080}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11083] <... futex resumed>) = 0 [pid 11081] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11080] <... futex resumed>) = 0 [pid 11084] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11081] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11080] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] <... socket resumed>) = 4 [pid 11081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11080] <... futex resumed>) = 0 [pid 11084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] getsockname(4, [pid 11080] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11084] <... futex resumed>) = 1 [pid 11083] <... futex resumed>) = 0 [pid 11081] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11080, nl_groups=00000000}, [116 => 12]) = 0 [pid 11081] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] <... futex resumed>) = 1 [pid 11080] <... futex resumed>) = 0 [pid 11086] <... bpf resumed>) = 7 [pid 11084] <... sendto resumed>) = 32 [pid 11083] <... futex resumed>) = 0 [pid 11081] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11080] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] recvfrom(4, [pid 11083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11080] <... futex resumed>) = 0 [pid 11086] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11083}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11081] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x48\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11080] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11086] <... futex resumed>) = 1 [pid 11084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] <... futex resumed>) = 0 [pid 11069] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11069] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11084] <... futex resumed>) = 1 [pid 11083] <... futex resumed>) = 0 [pid 11086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11084] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] getsockname(4, [pid 11083] <... futex resumed>) = 0 [pid 11084] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11083, nl_groups=00000000}, [116 => 12]) = 0 [pid 11083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11086] <... bpf resumed>) = 8 [pid 11084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11083] <... futex resumed>) = 0 [pid 11084] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11083] <... futex resumed>) = 0 [pid 11084] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4b\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11086] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11086] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11069] <... futex resumed>) = 0 [pid 11069] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11069] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [ 156.500877][T11081] loop4: detected capacity change from 0 to 256 [ 156.509973][T11084] loop0: detected capacity change from 0 to 256 [ 156.517492][T11081] exfat: Bad value for 'uid' [ 156.525467][T11084] exfat: Bad value for 'uid' [pid 11086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11086] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] <... futex resumed>) = 0 [pid 11086] <... futex resumed>) = 1 [pid 11086] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11073] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11073] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11091 attached => {parent_tid=[11091]}, 88) = 11091 [pid 11073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11073] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11073] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11091] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11073] <... futex resumed>) = 0 [pid 11091] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11073] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11091] <... bpf resumed>) = 0 [pid 11073] <... futex resumed>) = 0 [pid 11091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11073] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11091] <... futex resumed>) = 0 [pid 11073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11073] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11091] <... bpf resumed>) = 6 [pid 11077] <... sendmsg resumed>) = 64 [pid 11073] <... futex resumed>) = 0 [pid 11091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11077] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11073] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11091] <... futex resumed>) = 0 [pid 11077] <... futex resumed>) = 0 [pid 11076] exit_group(0 [pid 11073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11091] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11085] <... futex resumed>) = ? [pid 11076] <... exit_group resumed>) = ? [pid 11073] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11085] +++ exited with 0 +++ [pid 11077] +++ exited with 0 +++ [pid 11073] <... futex resumed>) = 0 [pid 11091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11073] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11091] <... bpf resumed>) = 7 [pid 11091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11073] <... futex resumed>) = 0 [pid 11091] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11073] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11073] <... futex resumed>) = 0 [pid 11091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11073] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11091] <... bpf resumed>) = 8 [pid 11091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11073] <... futex resumed>) = 0 [pid 11091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11073] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11073] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11076] +++ exited with 0 +++ [pid 11091] <... bpf resumed>) = 9 [pid 11091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11076, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11073] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 11091] <... futex resumed>) = 1 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 11091] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11092 ./strace-static-x86_64: Process 11092 attached [pid 11092] set_robust_list(0x5555555916a0, 24) = 0 [pid 11092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11092] <... prctl resumed>) = 0 [pid 11080] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] setpgid(0, 0 [pid 11080] <... futex resumed>) = 0 [pid 11092] <... setpgid resumed>) = 0 [pid 11080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11080] <... mmap resumed>) = 0x7fb926217000 [pid 11092] <... openat resumed>) = 3 [pid 11080] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11092] write(3, "1000", 4 [pid 11080] <... mprotect resumed>) = 0 [pid 11092] <... write resumed>) = 4 [pid 11080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11092] close(3 [pid 11080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11092] <... close resumed>) = 0 [pid 11080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11092] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11080] <... clone3 resumed> => {parent_tid=[11093]}, 88) = 11093 [pid 11092] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11080] rt_sigprocmask(SIG_SETMASK, [], [pid 11092] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11080] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11080] <... futex resumed>) = 0 [pid 11092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11080] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11092] <... mmap resumed>) = 0x7fb926238000 [pid 11092] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11092] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11093 attached [], 8) = 0 [pid 11083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11071] <... sendmsg resumed>) = 64 [pid 11093] set_robust_list(0x7fb9262379a0, 24 [pid 11092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11083] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11071] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11069] exit_group(0./strace-static-x86_64: Process 11094 attached [pid 11093] <... set_robust_list resumed>) = 0 [pid 11086] <... futex resumed>) = ? [pid 11083] <... futex resumed>) = 0 [pid 11071] <... futex resumed>) = ? [pid 11069] <... exit_group resumed>) = ? [pid 11094] set_robust_list(0x7fb9262589a0, 24 [pid 11093] rt_sigprocmask(SIG_SETMASK, [], [pid 11092] <... clone3 resumed> => {parent_tid=[11094]}, 88) = 11094 [pid 11086] +++ exited with 0 +++ [pid 11083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11083] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11092] rt_sigprocmask(SIG_SETMASK, [], [pid 11094] <... set_robust_list resumed>) = 0 [pid 11093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11083] <... clone3 resumed> => {parent_tid=[11095]}, 88) = 11095 ./strace-static-x86_64: Process 11095 attached [pid 11094] rt_sigprocmask(SIG_SETMASK, [], [pid 11093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11083] rt_sigprocmask(SIG_SETMASK, [], [pid 11095] set_robust_list(0x7fb9262379a0, 24 [pid 11094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11093] <... bpf resumed>) = 5 [pid 11092] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11093] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... futex resumed>) = 0 [pid 11083] <... futex resumed>) = 0 [pid 11094] memfd_create("syzkaller", 0 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11093] <... futex resumed>) = 1 [pid 11080] <... futex resumed>) = 0 [pid 11095] <... set_robust_list resumed>) = 0 [pid 11095] rt_sigprocmask(SIG_SETMASK, [], [pid 11080] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11093] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11080] <... futex resumed>) = 0 [pid 11095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11094] <... memfd_create resumed>) = 3 [pid 11093] <... bpf resumed>) = 0 [pid 11080] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11095] <... bpf resumed>) = 5 [pid 11094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11093] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11095] <... futex resumed>) = 1 [pid 11094] <... mmap resumed>) = 0x7fb91de38000 [pid 11083] <... futex resumed>) = 0 [pid 11093] <... futex resumed>) = 1 [pid 11080] <... futex resumed>) = 0 [pid 11095] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11093] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11080] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11095] <... bpf resumed>) = 0 [pid 11093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11083] <... futex resumed>) = 0 [pid 11080] <... futex resumed>) = 0 [pid 11095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11080] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11095] <... futex resumed>) = 0 [pid 11083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11095] <... bpf resumed>) = 6 [pid 11093] <... bpf resumed>) = 6 [pid 11083] <... futex resumed>) = 0 [pid 11095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11093] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11095] <... futex resumed>) = 0 [pid 11093] <... futex resumed>) = 1 [pid 11083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11080] <... futex resumed>) = 0 [pid 11095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11080] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11083] <... futex resumed>) = 0 [pid 11080] <... futex resumed>) = 0 [pid 11083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11080] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11094] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11094] munmap(0x7fb91de38000, 138412032) = 0 [pid 11094] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11094] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11094] close(3) = 0 [pid 11094] close(4 [pid 11074] <... sendmsg resumed>) = 64 [pid 11094] <... close resumed>) = 0 [pid 11074] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11094] mkdir("./file0", 0777 [pid 11074] <... futex resumed>) = 0 [pid 11094] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11074] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11094] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11073] exit_group(0) = ? [pid 11091] <... futex resumed>) = ? [pid 11074] <... futex resumed>) = ? [pid 11094] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11091] +++ exited with 0 +++ [pid 11094] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11094] ioctl(3, LOOP_CLR_FD [pid 11081] <... sendmsg resumed>) = 64 [pid 11081] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11081] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11095] <... bpf resumed>) = 7 [pid 11093] <... bpf resumed>) = 7 [pid 11084] <... sendmsg resumed>) = 64 [pid 11095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11093] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11095] <... futex resumed>) = 1 [pid 11093] <... futex resumed>) = 1 [pid 11084] <... futex resumed>) = 0 [pid 11083] <... futex resumed>) = 0 [pid 11080] <... futex resumed>) = 0 [pid 11095] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11093] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11084] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11080] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11083] <... futex resumed>) = 0 [pid 11081] <... futex resumed>) = 0 [pid 11080] <... futex resumed>) = 1 [pid 11084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11080] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11094] <... ioctl resumed>) = 0 [pid 11084] <... bpf resumed>) = 8 [pid 11081] <... bpf resumed>) = 8 [pid 11074] +++ exited with 0 +++ [pid 11073] +++ exited with 0 +++ [pid 11071] +++ exited with 0 +++ [pid 11069] +++ exited with 0 +++ [pid 11084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11084] <... futex resumed>) = 1 [pid 11083] <... futex resumed>) = 0 [pid 11081] <... futex resumed>) = 1 [pid 11080] <... futex resumed>) = 0 [pid 11084] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11080] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11083] <... futex resumed>) = 0 [pid 11081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11080] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11080] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11073, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 297] <... openat resumed>) = 3 [pid 11094] close(3 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 297] ioctl(3, LOOP_CLR_FD [pid 299] <... openat resumed>) = 3 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] ioctl(3, LOOP_CLR_FD [pid 297] close(3 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] close(3 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11096 ./strace-static-x86_64: Process 11096 attached [pid 11096] set_robust_list(0x5555555916a0, 24) = 0 [pid 11096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11096] setpgid(0, 0) = 0 [pid 11096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11096] write(3, "1000", 4) = 4 [pid 11096] close(3) = 0 [pid 11096] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11096] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11094] <... close resumed>) = 0 [pid 11084] <... bpf resumed>) = 9 [pid 11081] <... bpf resumed>) = 9 [pid 299] <... close resumed>) = 0 [pid 11084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11081] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11094] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11084] <... futex resumed>) = 1 [pid 11083] <... futex resumed>) = 0 [pid 11081] <... futex resumed>) = 1 [pid 11080] <... futex resumed>) = 0 [pid 11084] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11083] exit_group(0 [pid 11095] <... futex resumed>) = ? [pid 11084] <... futex resumed>) = ? [pid 11083] <... exit_group resumed>) = ? [ 156.649170][T11094] loop2: detected capacity change from 0 to 256 [ 156.657927][T11094] exfat: Bad value for 'uid' [pid 11080] exit_group(0./strace-static-x86_64: Process 11097 attached [pid 11096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11095] +++ exited with 0 +++ [pid 11094] <... futex resumed>) = 1 [pid 11093] <... futex resumed>) = ? [pid 11092] <... futex resumed>) = 0 [pid 11084] +++ exited with 0 +++ [pid 11081] +++ exited with 0 +++ [pid 11080] <... exit_group resumed>) = ? [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11097 [pid 11097] set_robust_list(0x5555555916a0, 24 [pid 11096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11094] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11093] +++ exited with 0 +++ [pid 11092] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11094] <... socket resumed>) = 3 [pid 11097] <... set_robust_list resumed>) = 0 [pid 11097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11094] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11096] <... mmap resumed>) = 0x7fb926238000 [pid 11097] <... prctl resumed>) = 0 [pid 11092] <... futex resumed>) = 0 [pid 11092] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11094] <... futex resumed>) = 1 [pid 11094] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11096] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11094] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... futex resumed>) = 0 [pid 11092] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11094] <... futex resumed>) = 1 [pid 11094] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11097] setpgid(0, 0 [pid 11096] <... mprotect resumed>) = 0 [pid 11094] <... sendto resumed>) = 32 [pid 11094] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11092}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11097] <... setpgid resumed>) = 0 [pid 11096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11094] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... futex resumed>) = 0 [pid 11092] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11094] <... futex resumed>) = 1 [pid 11094] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11092, nl_groups=00000000}, [116 => 12]) = 0 [pid 11094] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... futex resumed>) = 0 [pid 11092] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11094] <... futex resumed>) = 1 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11094] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x54\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11096] <... clone3 resumed> => {parent_tid=[11099]}, 88) = 11099 ./strace-static-x86_64: Process 11099 attached [pid 11096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11096] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11096] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11099] set_robust_list(0x7fb9262589a0, 24 [pid 11097] <... openat resumed>) = 3 [pid 11097] write(3, "1000", 4) = 4 [pid 11097] close(3) = 0 [pid 11097] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11097] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11099] <... set_robust_list resumed>) = 0 [pid 11097] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11097] <... mprotect resumed>) = 0 [pid 11099] memfd_create("syzkaller", 0) = 3 [pid 11097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11099] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11099] <... write resumed>) = 131072 [pid 11099] munmap(0x7fb91de38000, 138412032) = 0 [pid 11099] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11097] <... clone3 resumed> => {parent_tid=[11100]}, 88) = 11100 [pid 11099] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11100 attached ) = 0 [pid 11097] rt_sigprocmask(SIG_SETMASK, [], [pid 11100] set_robust_list(0x7fb9262589a0, 24 [pid 11099] close(3) = 0 [pid 11099] close(4 [pid 11100] <... set_robust_list resumed>) = 0 [pid 11099] <... close resumed>) = 0 [pid 11097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11100] rt_sigprocmask(SIG_SETMASK, [], [pid 11097] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11097] <... futex resumed>) = 0 [pid 11100] memfd_create("syzkaller", 0 [pid 11097] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11100] <... memfd_create resumed>) = 3 [pid 11100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11099] mkdir("./file0", 0777 [pid 11100] <... mmap resumed>) = 0x7fb91de38000 [pid 11099] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11099] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11100] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11100] munmap(0x7fb91de38000, 138412032) = 0 [pid 11100] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11100] ioctl(4, LOOP_SET_FD, 3 [pid 11099] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11099] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11099] ioctl(3, LOOP_CLR_FD [pid 11100] <... ioctl resumed>) = 0 [pid 11083] +++ exited with 0 +++ [pid 11100] close(3 [pid 11080] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11080, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11100] <... close resumed>) = 0 [pid 11100] close(4) = 0 [pid 11100] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11100] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11100] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... restart_syscall resumed>) = 0 [pid 11100] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11100] ioctl(3, LOOP_CLR_FD [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 300] <... openat resumed>) = 3 [pid 294] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11101 ./strace-static-x86_64: Process 11101 attached [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11102 [pid 11101] set_robust_list(0x5555555916a0, 24) = 0 [pid 11101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11101] setpgid(0, 0) = 0 [pid 11101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11101] write(3, "1000", 4) = 4 [pid 11101] close(3) = 0 [pid 11101] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11101] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11101] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}./strace-static-x86_64: Process 11103 attached ./strace-static-x86_64: Process 11102 attached ) = -1 ETIMEDOUT (Connection timed out) [pid 11103] set_robust_list(0x7fb9262589a0, 24 [pid 11102] set_robust_list(0x5555555916a0, 24 [pid 11101] <... clone3 resumed> => {parent_tid=[11103]}, 88) = 11103 [pid 11092] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11103] <... set_robust_list resumed>) = 0 [pid 11102] <... set_robust_list resumed>) = 0 [pid 11092] <... futex resumed>) = 0 [pid 11103] rt_sigprocmask(SIG_SETMASK, [], [pid 11102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11101] rt_sigprocmask(SIG_SETMASK, [], [pid 11092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11102] <... prctl resumed>) = 0 [pid 11101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11092] <... mmap resumed>) = 0x7fb926217000 [pid 11102] setpgid(0, 0 [pid 11092] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11102] <... setpgid resumed>) = 0 [pid 11103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11101] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... mprotect resumed>) = 0 [pid 11103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11102] <... openat resumed>) = 3 [pid 11102] write(3, "1000", 4 [pid 11092] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11102] <... write resumed>) = 4 [pid 11102] close(3 [pid 11092] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11102] <... close resumed>) = 0 [pid 11092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11102] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11102] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11092] <... clone3 resumed> => {parent_tid=[11104]}, 88) = 11104 [pid 11102] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11092] rt_sigprocmask(SIG_SETMASK, [], [pid 11102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11092] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11102] <... mmap resumed>) = 0x7fb926238000 [pid 11092] <... futex resumed>) = 0 [pid 11102] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11092] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11102] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 11104 attached [pid 11103] memfd_create("syzkaller", 0 [pid 11102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11101] <... futex resumed>) = 0 [pid 11102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11105]}, 88) = 11105 [pid 11102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11105 attached [pid 11105] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11103] <... memfd_create resumed>) = 3 [pid 11101] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11104] set_robust_list(0x7fb9262379a0, 24 [pid 11105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11104] <... set_robust_list resumed>) = 0 [pid 11103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11105] memfd_create("syzkaller", 0 [pid 11104] rt_sigprocmask(SIG_SETMASK, [], [pid 11103] <... mmap resumed>) = 0x7fb91de38000 [pid 11105] <... memfd_create resumed>) = 3 [pid 11104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11103] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11104] <... bpf resumed>) = 5 [pid 11104] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... futex resumed>) = 0 [pid 11103] <... write resumed>) = 131072 [pid 11092] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11092] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11105] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11104] <... futex resumed>) = 1 [pid 11103] munmap(0x7fb91de38000, 138412032) = 0 [pid 11103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11105] <... write resumed>) = 131072 [pid 11103] ioctl(4, LOOP_SET_FD, 3 [pid 11104] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [ 156.724917][T11099] loop1: detected capacity change from 0 to 256 [ 156.738199][T11099] exfat: Bad value for 'uid' [ 156.738802][T11100] loop3: detected capacity change from 0 to 256 [ 156.750127][T11100] exfat: Bad value for 'uid' [pid 11105] munmap(0x7fb91de38000, 138412032) = 0 [pid 11105] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11099] <... ioctl resumed>) = 0 [pid 11099] close(3) = 0 [pid 11099] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11096] <... futex resumed>) = 0 [pid 11099] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11096] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11096] <... futex resumed>) = 0 [pid 11099] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11096] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11099] <... socket resumed>) = 3 [pid 11099] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11096] <... futex resumed>) = 0 [pid 11099] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11096] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11096] <... futex resumed>) = 0 [pid 11099] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11096] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11099] <... socket resumed>) = 4 [pid 11099] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11096] <... futex resumed>) = 0 [pid 11099] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11096] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11096] <... futex resumed>) = 0 [pid 11099] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11096] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11099] <... sendto resumed>) = 32 [pid 11099] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11096}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11105] <... openat resumed>) = 4 [pid 11099] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11105] ioctl(4, LOOP_SET_FD, 3 [pid 11099] <... futex resumed>) = 1 [pid 11096] <... futex resumed>) = 0 [pid 11100] <... ioctl resumed>) = 0 [pid 11099] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11096] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11096] <... futex resumed>) = 0 [pid 11100] close(3 [pid 11099] getsockname(4, [pid 11096] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11099] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11096, nl_groups=00000000}, [116 => 12]) = 0 [pid 11100] <... close resumed>) = 0 [pid 11099] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11096] <... futex resumed>) = 0 [pid 11100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11099] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11096] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11100] <... futex resumed>) = 1 [pid 11099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11097] <... futex resumed>) = 0 [pid 11096] <... futex resumed>) = 0 [pid 11100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11099] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x58\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11097] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11096] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11097] <... futex resumed>) = 0 [pid 11100] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11097] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11100] <... socket resumed>) = 3 [pid 11100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11097] <... futex resumed>) = 0 [pid 11100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11097] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11097] <... futex resumed>) = 0 [pid 11100] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11097] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11100] <... socket resumed>) = 4 [pid 11100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11097] <... futex resumed>) = 0 [pid 11100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11097] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11097] <... futex resumed>) = 0 [pid 11100] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11097] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11105] <... ioctl resumed>) = 0 [pid 11105] close(3) = 0 [pid 11105] close(4) = 0 [pid 11105] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11105] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11104] <... bpf resumed>) = 0 [pid 11104] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... futex resumed>) = 0 [pid 11092] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11092] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11104] <... futex resumed>) = 1 [pid 11100] <... sendto resumed>) = 32 [pid 11100] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11097}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11097] <... futex resumed>) = 0 [pid 11100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11097] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11097] <... futex resumed>) = 0 [pid 11100] getsockname(4, [pid 11097] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11100] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11097, nl_groups=00000000}, [116 => 12]) = 0 [pid 11100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11097] <... futex resumed>) = 0 [pid 11100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11097] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11097] <... futex resumed>) = 0 [pid 11100] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x59\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11097] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11104] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... futex resumed>) = 0 [pid 11105] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11104] <... futex resumed>) = 1 [pid 11103] <... ioctl resumed>) = 0 [pid 11092] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11103] close(3 [pid 11092] <... futex resumed>) = 0 [pid 11103] <... close resumed>) = 0 [pid 11103] close(4 [pid 11105] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11103] <... close resumed>) = 0 [pid 11092] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11105] <... openat resumed>) = 3 [pid 11103] mkdir("./file0", 0777 [pid 11104] <... bpf resumed>) = 7 [pid 11105] ioctl(3, LOOP_CLR_FD [pid 11103] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11103] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11094] <... sendmsg resumed>) = 64 [pid 11104] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11094] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11092] <... futex resumed>) = 0 [pid 11104] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11092] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11094] <... futex resumed>) = 1 [pid 11092] <... futex resumed>) = 0 [pid 11094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11094] <... bpf resumed>) = 8 [pid 11094] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11092] <... futex resumed>) = 0 [pid 11094] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11092] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11092] <... futex resumed>) = 0 [pid 11094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11092] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11103] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11094] <... bpf resumed>) = 9 [pid 11103] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11094] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11092] <... futex resumed>) = 0 [pid 11092] exit_group(0 [pid 11103] <... openat resumed>) = 3 [pid 11092] <... exit_group resumed>) = ? [pid 11103] ioctl(3, LOOP_CLR_FD [pid 11104] <... futex resumed>) = ? [pid 11094] +++ exited with 0 +++ [pid 11104] +++ exited with 0 +++ [pid 11092] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11092, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11108 ./strace-static-x86_64: Process 11108 attached [pid 11108] set_robust_list(0x5555555916a0, 24) = 0 [pid 11108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11108] setpgid(0, 0) = 0 [pid 11108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11108] write(3, "1000", 4) = 4 [pid 11108] close(3) = 0 [pid 11108] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11108] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11108] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11109]}, 88) = 11109 ./strace-static-x86_64: Process 11109 attached [pid 11108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11108] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11108] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11109] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11109] memfd_create("syzkaller", 0) = 3 [pid 11109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11109] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11109] munmap(0x7fb91de38000, 138412032) = 0 [ 156.775376][T11103] loop0: detected capacity change from 0 to 256 [ 156.780538][T11105] loop4: detected capacity change from 0 to 256 [ 156.802825][T11105] exfat: Bad value for 'uid' [ 156.817224][T11103] exfat: Bad value for 'uid' [pid 11109] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11109] ioctl(4, LOOP_SET_FD, 3 [pid 11096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11096] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11096] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11109] <... ioctl resumed>) = 0 [pid 11096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11109] close(3) = 0 [pid 11109] close(4./strace-static-x86_64: Process 11110 attached ) = 0 [pid 11110] set_robust_list(0x7fb9262379a0, 24 [pid 11109] mkdir("./file0", 0777 [pid 11096] <... clone3 resumed> => {parent_tid=[11110]}, 88) = 11110 [pid 11110] <... set_robust_list resumed>) = 0 [pid 11109] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11096] rt_sigprocmask(SIG_SETMASK, [], [pid 11110] rt_sigprocmask(SIG_SETMASK, [], [pid 11109] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11096] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11096] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11109] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11105] <... ioctl resumed>) = 0 [pid 11109] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11105] close(3 [pid 11109] <... openat resumed>) = 3 [pid 11105] <... close resumed>) = 0 [pid 11109] ioctl(3, LOOP_CLR_FD [pid 11105] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11105] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11110] <... bpf resumed>) = 5 [pid 11110] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11096] <... futex resumed>) = 0 [pid 11110] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11102] <... futex resumed>) = 0 [pid 11097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11096] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11110] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11105] <... futex resumed>) = 0 [pid 11102] <... futex resumed>) = 1 [pid 11097] <... futex resumed>) = 0 [pid 11096] <... futex resumed>) = 0 [pid 11110] <... bpf resumed>) = 0 [pid 11105] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11096] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11110] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11105] <... socket resumed>) = 3 [pid 11097] <... mmap resumed>) = 0x7fb926217000 [pid 11096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11110] <... futex resumed>) = 0 [pid 11105] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11096] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11105] <... futex resumed>) = 1 [pid 11102] <... futex resumed>) = 0 [pid 11097] <... mprotect resumed>) = 0 [pid 11096] <... futex resumed>) = 0 [pid 11110] <... bpf resumed>) = 6 [pid 11103] <... ioctl resumed>) = 0 [pid 11102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11105] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11103] close(3 [pid 11102] <... futex resumed>) = 0 [pid 11097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11096] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11105] <... socket resumed>) = 4 [pid 11103] <... close resumed>) = 0 [pid 11102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11105] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11111 attached [pid 11110] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11105] <... futex resumed>) = 0 [pid 11103] <... futex resumed>) = 1 [pid 11102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] <... futex resumed>) = 0 [pid 11111] set_robust_list(0x7fb9262379a0, 24 [pid 11110] <... futex resumed>) = 1 [pid 11105] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11102] <... futex resumed>) = 0 [pid 11101] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] <... clone3 resumed> => {parent_tid=[11111]}, 88) = 11111 [pid 11096] <... futex resumed>) = 0 [pid 11111] <... set_robust_list resumed>) = 0 [pid 11110] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11105] <... sendto resumed>) = 32 [pid 11103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11101] <... futex resumed>) = 0 [pid 11097] rt_sigprocmask(SIG_SETMASK, [], [pid 11096] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11105] recvfrom(4, [pid 11103] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11096] <... futex resumed>) = 0 [pid 11110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11105] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11102}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11103] <... socket resumed>) = 3 [pid 11101] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11097] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11096] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11111] rt_sigprocmask(SIG_SETMASK, [], [pid 11110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11105] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] <... futex resumed>) = 0 [pid 11105] <... futex resumed>) = 1 [pid 11103] <... futex resumed>) = 0 [pid 11102] <... futex resumed>) = 0 [pid 11097] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11110] <... bpf resumed>) = 7 [pid 11105] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11102] <... futex resumed>) = 0 [pid 11105] getsockname(4, [pid 11102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11110] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11105] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11102, nl_groups=00000000}, [116 => 12]) = 0 [pid 11101] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11105] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11110] <... futex resumed>) = 1 [pid 11111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11105] <... futex resumed>) = 1 [pid 11103] <... futex resumed>) = 0 [pid 11102] <... futex resumed>) = 0 [pid 11101] <... futex resumed>) = 1 [pid 11096] <... futex resumed>) = 0 [pid 11110] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11105] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11103] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11096] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11111] <... bpf resumed>) = 5 [pid 11110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11103] <... socket resumed>) = 4 [pid 11102] <... futex resumed>) = 0 [pid 11096] <... futex resumed>) = 0 [pid 11110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11105] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5e\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11096] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11103] <... futex resumed>) = 1 [pid 11103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11111] <... futex resumed>) = 1 [pid 11110] <... bpf resumed>) = 8 [pid 11101] <... futex resumed>) = 0 [pid 11097] <... futex resumed>) = 0 [pid 11110] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11110] <... futex resumed>) = 1 [pid 11101] <... futex resumed>) = 1 [pid 11097] <... futex resumed>) = 0 [pid 11096] <... futex resumed>) = 0 [pid 11110] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11101] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11097] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11096] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11096] <... futex resumed>) = 0 [pid 11110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11103] <... futex resumed>) = 0 [pid 11096] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11110] <... bpf resumed>) = 9 [pid 11110] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11096] <... futex resumed>) = 0 [pid 11110] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11103] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11111] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] <... futex resumed>) = 0 [pid 11097] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11097] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11111] <... futex resumed>) = 1 [pid 11111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11103] <... sendto resumed>) = 32 [pid 11103] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11101}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11111] <... bpf resumed>) = 6 [pid 11103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] <... futex resumed>) = 0 [pid 11103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11101] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11101] <... futex resumed>) = 0 [pid 11103] getsockname(4, [pid 11101] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11103] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11101, nl_groups=00000000}, [116 => 12]) = 0 [pid 11103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11101] <... futex resumed>) = 0 [pid 11103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11101] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11101] <... futex resumed>) = 0 [pid 11103] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5d\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11101] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11111] <... futex resumed>) = 1 [pid 11097] <... futex resumed>) = 0 [pid 11111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11097] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11111] <... bpf resumed>) = 7 [pid 11097] <... futex resumed>) = 0 [pid 11111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11111] <... futex resumed>) = 0 [pid 11097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11097] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11097] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11111] <... bpf resumed>) = 8 [pid 11111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11111] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11097] <... futex resumed>) = 0 [pid 11097] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11097] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11111] <... futex resumed>) = 0 [pid 11111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] <... futex resumed>) = 0 [pid 11111] <... futex resumed>) = 1 [pid 11111] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11099] <... sendmsg resumed>) = 64 [pid 11109] <... ioctl resumed>) = 0 [pid 11099] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11099] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11109] close(3) = 0 [pid 11096] exit_group(0 [pid 11110] <... futex resumed>) = ? [pid 11109] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11099] <... futex resumed>) = ? [pid 11096] <... exit_group resumed>) = ? [pid 11110] +++ exited with 0 +++ [pid 11109] <... futex resumed>) = 1 [pid 11108] <... futex resumed>) = 0 [pid 11099] +++ exited with 0 +++ [pid 11109] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11108] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11108] <... futex resumed>) = 0 [pid 11109] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11108] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11109] <... socket resumed>) = 3 [pid 11109] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11108] <... futex resumed>) = 0 [pid 11109] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11108] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11108] <... futex resumed>) = 0 [pid 11109] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11108] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11109] <... socket resumed>) = 4 [pid 11109] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11108] <... futex resumed>) = 0 [pid 11109] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11108] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11108] <... futex resumed>) = 0 [pid 11109] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11108] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11109] <... sendto resumed>) = 32 [pid 11109] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11108}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11109] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11108] <... futex resumed>) = 0 [pid 11109] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11108] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11108] <... futex resumed>) = 0 [pid 11109] getsockname(4, [pid 11108] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11109] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11108, nl_groups=00000000}, [116 => 12]) = 0 [pid 11109] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11108] <... futex resumed>) = 0 [pid 11109] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11108] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11108] <... futex resumed>) = 0 [ 156.835860][T11109] loop2: detected capacity change from 0 to 256 [ 156.844867][T11109] exfat: Bad value for 'uid' [pid 11109] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x64\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11108] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11100] <... sendmsg resumed>) = 64 [pid 11100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11097] exit_group(0 [pid 11111] <... futex resumed>) = ? [pid 11100] <... futex resumed>) = ? [pid 11097] <... exit_group resumed>) = ? [pid 11111] +++ exited with 0 +++ [pid 11100] +++ exited with 0 +++ [pid 11102] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11102] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11102] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11115]}, 88) = 11115 [pid 11102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11115 attached ) = 0 [pid 11115] set_robust_list(0x7fb9262379a0, 24 [pid 11102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11115] <... set_robust_list resumed>) = 0 [pid 11115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11102] <... futex resumed>) = 0 [pid 11115] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11115] <... bpf resumed>) = 0 [pid 11102] <... futex resumed>) = 0 [pid 11115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11115] <... futex resumed>) = 0 [pid 11102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11115] <... bpf resumed>) = 6 [pid 11102] <... futex resumed>) = 0 [pid 11115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11115] <... futex resumed>) = 0 [pid 11102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11115] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11102] <... futex resumed>) = 0 [pid 11115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11096] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11097] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11097, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11101] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... restart_syscall resumed>) = 0 [pid 11101] <... futex resumed>) = 0 [pid 11101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11101] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 299] <... openat resumed>) = 3 [pid 11101] <... mprotect resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] close(3 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 299] <... close resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11101] <... clone3 resumed> => {parent_tid=[11116]}, 88) = 11116 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11101] rt_sigprocmask(SIG_SETMASK, [], [pid 297] close(3 [pid 11101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... close resumed>) = 0 [pid 11101] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11101] <... futex resumed>) = 0 [pid 11101] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11117 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11116 attached [pid 11116] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11116] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] <... futex resumed>) = 0 [pid 11101] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11101] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11116] <... futex resumed>) = 1 [pid 11116] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11116] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] <... futex resumed>) = 0 [pid 11101] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11101] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11116] <... futex resumed>) = 1 [pid 11116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11118 [pid 11116] <... bpf resumed>) = 6 [pid 11116] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] <... futex resumed>) = 0 [pid 11101] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11101] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11116] <... futex resumed>) = 1 [pid 11116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 11118 attached [pid 11118] set_robust_list(0x5555555916a0, 24) = 0 [pid 11118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11118] setpgid(0, 0) = 0 [pid 11118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11118] write(3, "1000", 4) = 4 [pid 11118] close(3) = 0 [pid 11118] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11118] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11118] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11118] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11119]}, 88) = 11119 [pid 11118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11118] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11118] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11119 attached [pid 11119] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11117 attached [pid 11119] memfd_create("syzkaller", 0 [pid 11117] set_robust_list(0x5555555916a0, 24 [pid 11119] <... memfd_create resumed>) = 3 [pid 11117] <... set_robust_list resumed>) = 0 [pid 11119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11119] <... mmap resumed>) = 0x7fb91de38000 [pid 11117] setpgid(0, 0) = 0 [pid 11117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11117] write(3, "1000", 4) = 4 [pid 11117] close(3) = 0 [pid 11117] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11117] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11117] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11120]}, 88) = 11120 [pid 11117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11117] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11117] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11120 attached [pid 11120] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11120] memfd_create("syzkaller", 0) = 3 [pid 11120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11119] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11119] munmap(0x7fb91de38000, 138412032 [pid 11120] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11119] <... munmap resumed>) = 0 [pid 11119] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11119] ioctl(4, LOOP_SET_FD, 3 [pid 11120] <... write resumed>) = 131072 [pid 11108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11119] <... ioctl resumed>) = 0 [pid 11116] <... bpf resumed>) = 7 [pid 11115] <... bpf resumed>) = 7 [pid 11116] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] munmap(0x7fb91de38000, 138412032 [pid 11116] <... futex resumed>) = 1 [pid 11115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11108] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] <... futex resumed>) = 0 [pid 11116] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11101] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] <... munmap resumed>) = 0 [pid 11119] close(3 [pid 11116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11115] <... futex resumed>) = 1 [pid 11108] <... futex resumed>) = 0 [pid 11102] <... futex resumed>) = 0 [pid 11101] <... futex resumed>) = 0 [pid 11120] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11115] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] <... openat resumed>) = 4 [pid 11102] <... futex resumed>) = 0 [pid 11108] <... mmap resumed>) = 0x7fb926217000 [pid 11120] ioctl(4, LOOP_SET_FD, 3 [pid 11115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11108] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11101] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11116] <... bpf resumed>) = 8 [pid 11116] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11101] <... futex resumed>) = 0 [pid 11116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11101] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11108] <... mprotect resumed>) = 0 [pid 11101] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11116] <... bpf resumed>) = 9 [pid 11116] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11101] <... futex resumed>) = 0 [pid 11116] <... futex resumed>) = 1 [pid 11116] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11119] <... close resumed>) = 0 [pid 11119] close(4) = 0 [pid 11119] mkdir("./file0", 0777 [pid 11115] <... bpf resumed>) = 8 [pid 11119] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11119] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11120] <... ioctl resumed>) = 0 [pid 11115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11108] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11115] <... futex resumed>) = 1 [pid 11108] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11119] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11119] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11102] <... futex resumed>) = 0 [pid 11115] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11105] <... sendmsg resumed>) = 64 [pid 11103] <... sendmsg resumed>) = 64 [pid 11119] <... openat resumed>) = 3 ./strace-static-x86_64: Process 11121 attached [pid 11120] close(3 [pid 11115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11105] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11108] <... clone3 resumed> => {parent_tid=[11121]}, 88) = 11121 [pid 11115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11102] <... futex resumed>) = 0 [pid 11101] exit_group(0 [pid 11116] <... futex resumed>) = ? [pid 11115] <... bpf resumed>) = 9 [pid 11102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11101] <... exit_group resumed>) = ? [pid 11103] <... futex resumed>) = ? [pid 11105] <... futex resumed>) = 0 [pid 11121] set_robust_list(0x7fb9262379a0, 24 [pid 11120] <... close resumed>) = 0 [pid 11119] ioctl(3, LOOP_CLR_FD [pid 11116] +++ exited with 0 +++ [pid 11115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11108] rt_sigprocmask(SIG_SETMASK, [], [pid 11105] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11103] +++ exited with 0 +++ [pid 11115] <... futex resumed>) = 1 [pid 11108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11102] <... futex resumed>) = 0 [pid 11121] <... set_robust_list resumed>) = 0 [pid 11120] close(4 [pid 11115] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11108] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11102] exit_group(0 [pid 11115] <... futex resumed>) = ? [pid 11108] <... futex resumed>) = 0 [pid 11105] <... futex resumed>) = ? [pid 11102] <... exit_group resumed>) = ? [pid 11121] rt_sigprocmask(SIG_SETMASK, [], [pid 11120] <... close resumed>) = 0 [pid 11108] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11105] +++ exited with 0 +++ [pid 11120] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11120] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11101] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11101, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11115] +++ exited with 0 +++ [pid 11102] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11102, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11120] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11121] <... bpf resumed>) = 5 [pid 294] <... openat resumed>) = 3 [pid 11121] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11108] <... futex resumed>) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11108] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] close(3 [pid 11108] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... close resumed>) = 0 [pid 11121] <... futex resumed>) = 1 [pid 11121] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11121] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11108] <... futex resumed>) = 0 [pid 11108] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11108] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11121] <... futex resumed>) = 1 [pid 11121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11121] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11108] <... futex resumed>) = 0 [pid 11108] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11108] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11121] <... futex resumed>) = 1 [pid 11121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11120] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11120] ioctl(3, LOOP_CLR_FD [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11122 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11123 ./strace-static-x86_64: Process 11123 attached [pid 11123] set_robust_list(0x5555555916a0, 24) = 0 [pid 11123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11123] setpgid(0, 0) = 0 [pid 11123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11123] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 11122 attached [pid 11123] close(3) = 0 [pid 11123] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11122] set_robust_list(0x5555555916a0, 24 [pid 11123] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11122] <... set_robust_list resumed>) = 0 [pid 11123] <... mmap resumed>) = 0x7fb926238000 [pid 11123] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11122] setpgid(0, 0) = 0 [pid 11123] <... clone3 resumed> => {parent_tid=[11124]}, 88) = 11124 [pid 11122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 11124 attached [pid 11123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11123] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11123] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11124] set_robust_list(0x7fb9262589a0, 24 [pid 11122] <... openat resumed>) = 3 [pid 11124] <... set_robust_list resumed>) = 0 [pid 11122] write(3, "1000", 4 [pid 11124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11122] <... write resumed>) = 4 [pid 11122] close(3 [pid 11124] memfd_create("syzkaller", 0 [pid 11122] <... close resumed>) = 0 [pid 11122] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11122] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11124] <... memfd_create resumed>) = 3 [pid 11122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11122] <... mmap resumed>) = 0x7fb926238000 [pid 11122] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11124] <... mmap resumed>) = 0x7fb91de38000 [pid 11122] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11125 attached => {parent_tid=[11125]}, 88) = 11125 [pid 11125] set_robust_list(0x7fb9262589a0, 24 [pid 11122] rt_sigprocmask(SIG_SETMASK, [], [pid 11125] <... set_robust_list resumed>) = 0 [pid 11122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11125] rt_sigprocmask(SIG_SETMASK, [], [pid 11122] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11124] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11122] <... futex resumed>) = 0 [pid 11122] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11125] memfd_create("syzkaller", 0) = 3 [pid 11125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11124] <... write resumed>) = 131072 [pid 11124] munmap(0x7fb91de38000, 138412032) = 0 [pid 11124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11124] ioctl(4, LOOP_SET_FD, 3 [ 156.946165][T11119] loop3: detected capacity change from 0 to 256 [ 156.953854][T11120] loop1: detected capacity change from 0 to 256 [ 156.961619][T11119] exfat: Bad value for 'uid' [ 156.982455][T11120] exfat: Bad value for 'uid' [pid 11125] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11125] munmap(0x7fb91de38000, 138412032) = 0 [pid 11125] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11125] ioctl(4, LOOP_SET_FD, 3 [pid 11121] <... bpf resumed>) = 7 [pid 11124] <... ioctl resumed>) = 0 [pid 11125] <... ioctl resumed>) = 0 [pid 11124] close(3 [pid 11121] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11124] <... close resumed>) = 0 [pid 11108] <... futex resumed>) = 0 [pid 11125] close(3) = 0 [pid 11125] close(4) = 0 [pid 11124] close(4 [pid 11121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11108] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11124] <... close resumed>) = 0 [pid 11121] <... bpf resumed>) = 8 [pid 11108] <... futex resumed>) = 0 [pid 11124] mkdir("./file0", 0777 [pid 11121] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11108] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11124] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11121] <... futex resumed>) = 0 [pid 11108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11124] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11108] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11121] <... bpf resumed>) = 9 [pid 11108] <... futex resumed>) = 0 [pid 11121] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11119] <... ioctl resumed>) = 0 [pid 11108] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11121] <... futex resumed>) = 0 [pid 11119] close(3 [pid 11108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11121] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11119] <... close resumed>) = 0 [pid 11119] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11119] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11118] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11119] <... socket resumed>) = 3 [pid 11118] <... futex resumed>) = 0 [pid 11119] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11118] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11119] <... futex resumed>) = 0 [pid 11118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11119] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11118] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11119] <... socket resumed>) = 4 [pid 11118] <... futex resumed>) = 0 [pid 11119] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11118] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11119] <... futex resumed>) = 0 [pid 11118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11119] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11118] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11118] <... futex resumed>) = 0 [pid 11119] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11118] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11119] <... sendto resumed>) = 32 [pid 11119] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11118}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11119] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11119] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11118] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11118] <... futex resumed>) = 0 [pid 11119] getsockname(4, [pid 11118] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11125] mkdir("./file0", 0777 [pid 11124] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11119] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11118, nl_groups=00000000}, [116 => 12]) = 0 [pid 11124] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11119] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11125] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11124] <... openat resumed>) = 3 [pid 11119] <... futex resumed>) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11119] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11118] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11118] <... futex resumed>) = 0 [pid 11119] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x6e\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11118] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11124] ioctl(3, LOOP_CLR_FD [pid 11125] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11125] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11125] ioctl(3, LOOP_CLR_FD [pid 11120] <... ioctl resumed>) = 0 [pid 11120] close(3) = 0 [pid 11120] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11120] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11117] <... futex resumed>) = 0 [pid 11117] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] <... futex resumed>) = 0 [pid 11117] <... futex resumed>) = 1 [pid 11120] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11117] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11120] <... socket resumed>) = 3 [pid 11120] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11117] <... futex resumed>) = 0 [pid 11120] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11117] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11117] <... futex resumed>) = 0 [pid 11120] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11117] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11120] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11120] <... futex resumed>) = 0 [pid 11120] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11117] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11117] <... futex resumed>) = 0 [pid 11117] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11124] <... ioctl resumed>) = 0 [pid 11109] <... sendmsg resumed>) = 64 [pid 11109] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11108] exit_group(0 [pid 11124] close(3 [pid 11121] <... futex resumed>) = ? [pid 11109] <... futex resumed>) = ? [pid 11108] <... exit_group resumed>) = ? [pid 11124] <... close resumed>) = 0 [pid 11121] +++ exited with 0 +++ [pid 11109] +++ exited with 0 +++ [pid 11108] +++ exited with 0 +++ [pid 11124] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11123] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11108, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11124] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11123] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11123] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 11125] <... ioctl resumed>) = 0 [pid 11124] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11123] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] ioctl(3, LOOP_CLR_FD [pid 11120] <... sendto resumed>) = 32 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 11120] recvfrom(4, [pid 298] <... close resumed>) = 0 [pid 11124] <... socket resumed>) = 3 [pid 11120] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11117}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11124] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11123] <... futex resumed>) = 0 [pid 11120] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11127 [pid 11125] close(3 [pid 11124] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11123] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] <... futex resumed>) = 1 [pid 11117] <... futex resumed>) = 0 [pid 11125] <... close resumed>) = 0 [pid 11124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11123] <... futex resumed>) = 0 [pid 11120] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11117] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11124] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11123] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11117] <... futex resumed>) = 0 [pid 11125] <... futex resumed>) = 1 [pid 11124] <... socket resumed>) = 4 [pid 11122] <... futex resumed>) = 0 [pid 11120] getsockname(4, [pid 11117] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11125] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11124] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11117, nl_groups=00000000}, [116 => 12]) = 0 [pid 11125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11124] <... futex resumed>) = 1 [pid 11123] <... futex resumed>) = 0 [pid 11122] <... futex resumed>) = 0 [pid 11120] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11124] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11123] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11120] <... futex resumed>) = 1 [pid 11117] <... futex resumed>) = 0 [pid 11125] <... socket resumed>) = 3 [pid 11124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11123] <... futex resumed>) = 0 [pid 11120] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11117] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11124] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11123] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11117] <... futex resumed>) = 0 [pid 11125] <... futex resumed>) = 1 [pid 11124] <... sendto resumed>) = 32 [pid 11122] <... futex resumed>) = 0 [ 157.005454][T11124] loop0: detected capacity change from 0 to 256 [ 157.007621][T11125] loop4: detected capacity change from 0 to 256 [ 157.021032][T11124] exfat: Bad value for 'uid' [ 157.038352][T11125] exfat: Bad value for 'uid' [pid 11120] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x6d\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11117] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11125] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11124] recvfrom(4, [pid 11122] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11124] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11123}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11122] <... futex resumed>) = 0 [pid 11125] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11124] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11125] <... socket resumed>) = 4 [pid 11124] <... futex resumed>) = 1 [pid 11123] <... futex resumed>) = 0 [pid 11118] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11124] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11123] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11118] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] <... futex resumed>) = 1 [pid 11124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11123] <... futex resumed>) = 0 [pid 11122] <... futex resumed>) = 0 [pid 11118] <... futex resumed>) = 0 [pid 11125] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11124] getsockname(4, [pid 11123] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11122] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11124] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11123, nl_groups=00000000}, [116 => 12]) = 0 [pid 11122] <... futex resumed>) = 0 [pid 11118] <... mmap resumed>) = 0x7fb926217000 [pid 11125] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11124] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11118] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11124] <... futex resumed>) = 1 [pid 11123] <... futex resumed>) = 0 [pid 11118] <... mprotect resumed>) = 0 [pid 11124] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11123] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11118] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11129]}, 88) = 11129 [pid 11118] rt_sigprocmask(SIG_SETMASK, [], [pid 11124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11123] <... futex resumed>) = 0 [pid 11118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11118] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11118] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11124] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x73\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11123] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11127 attached [pid 11127] set_robust_list(0x5555555916a0, 24) = 0 [pid 11127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11127] setpgid(0, 0) = 0 [pid 11127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11127] write(3, "1000", 4) = 4 [pid 11127] close(3) = 0 [pid 11127] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11127] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11125] <... sendto resumed>) = 32 [pid 11127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11125] recvfrom(4, [pid 11127] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11125] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11122}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11127] <... mprotect resumed>) = 0 [pid 11125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11127] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11125] <... futex resumed>) = 1 [pid 11122] <... futex resumed>) = 0 [pid 11127] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11125] getsockname(4, [pid 11122] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11127] <... clone3 resumed> => {parent_tid=[11131]}, 88) = 11131 [pid 11125] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11122, nl_groups=00000000}, [116 => 12]) = 0 [pid 11122] <... futex resumed>) = 0 [pid 11127] rt_sigprocmask(SIG_SETMASK, [], [pid 11125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11125] <... futex resumed>) = 0 [pid 11122] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11127] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11127] <... futex resumed>) = 0 [pid 11122] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11127] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11125] <... futex resumed>) = 0 [pid 11122] <... futex resumed>) = 1 [pid 11125] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x72\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11122] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11129 attached ./strace-static-x86_64: Process 11131 attached [pid 11129] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11129] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11129] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11118] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11118] <... futex resumed>) = 0 [pid 11129] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11118] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11129] <... bpf resumed>) = 0 [pid 11129] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11129] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11118] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11118] <... futex resumed>) = 0 [pid 11129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11118] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11129] <... bpf resumed>) = 6 [pid 11129] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11129] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11131] set_robust_list(0x7fb9262589a0, 24 [pid 11118] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11131] <... set_robust_list resumed>) = 0 [pid 11129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11118] <... futex resumed>) = 0 [pid 11131] rt_sigprocmask(SIG_SETMASK, [], [pid 11129] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11118] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11131] memfd_create("syzkaller", 0 [pid 11129] <... bpf resumed>) = 7 [pid 11131] <... memfd_create resumed>) = 3 [pid 11131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11129] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11129] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11118] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11118] <... futex resumed>) = 0 [pid 11131] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11118] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11131] <... write resumed>) = 131072 [pid 11131] munmap(0x7fb91de38000, 138412032) = 0 [pid 11131] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11131] ioctl(4, LOOP_SET_FD, 3 [pid 11129] <... bpf resumed>) = 8 [pid 11129] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11129] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11118] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11118] <... futex resumed>) = 0 [pid 11129] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11118] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11131] <... ioctl resumed>) = 0 [pid 11131] close(3) = 0 [pid 11131] close(4) = 0 [pid 11129] <... bpf resumed>) = 9 [pid 11131] mkdir("./file0", 0777 [pid 11129] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11131] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11129] <... futex resumed>) = 1 [pid 11118] <... futex resumed>) = 0 [pid 11131] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11129] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11131] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11131] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11131] ioctl(3, LOOP_CLR_FD [pid 11117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11117] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11117] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11133 attached => {parent_tid=[11133]}, 88) = 11133 [pid 11117] rt_sigprocmask(SIG_SETMASK, [], [pid 11133] set_robust_list(0x7fb9262379a0, 24 [pid 11117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11133] <... set_robust_list resumed>) = 0 [pid 11117] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11117] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11133] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11117] <... futex resumed>) = 0 [pid 11133] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11117] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11133] <... bpf resumed>) = 0 [pid 11117] <... futex resumed>) = 0 [pid 11133] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11117] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11133] <... futex resumed>) = 0 [pid 11117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11117] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11133] <... bpf resumed>) = 6 [pid 11117] <... futex resumed>) = 0 [pid 11133] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11117] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11133] <... futex resumed>) = 0 [pid 11117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11117] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11133] <... bpf resumed>) = 7 [pid 11117] <... futex resumed>) = 0 [pid 11133] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11117] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11133] <... futex resumed>) = 0 [pid 11117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11117] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11133] <... bpf resumed>) = 8 [pid 11117] <... futex resumed>) = 0 [pid 11133] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11117] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11133] <... futex resumed>) = 0 [pid 11117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11117] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11133] <... bpf resumed>) = 9 [pid 11117] <... futex resumed>) = 0 [pid 11133] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11117] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11133] <... futex resumed>) = 0 [pid 11123] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11133] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11123] <... futex resumed>) = 0 [pid 11123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11131] <... ioctl resumed>) = 0 [pid 11123] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11131] close(3 [pid 11123] <... mprotect resumed>) = 0 [pid 11131] <... close resumed>) = 0 [pid 11123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11134]}, 88) = 11134 [pid 11123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11123] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11123] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11127] <... futex resumed>) = 0 [pid 11131] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11127] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11127] <... futex resumed>) = 0 [pid 11131] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11127] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11134 attached [pid 11131] <... socket resumed>) = 3 [pid 11131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11134] set_robust_list(0x7fb9262379a0, 24 [pid 11131] <... futex resumed>) = 1 [pid 11127] <... futex resumed>) = 0 [pid 11131] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11127] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11134] <... set_robust_list resumed>) = 0 [pid 11131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11127] <... futex resumed>) = 0 [pid 11134] rt_sigprocmask(SIG_SETMASK, [], [pid 11131] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11127] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11131] <... socket resumed>) = 4 [pid 11134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11134] <... bpf resumed>) = 5 [pid 11131] <... futex resumed>) = 1 [pid 11127] <... futex resumed>) = 0 [pid 11122] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11134] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11131] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11127] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11134] <... futex resumed>) = 1 [pid 11131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11127] <... futex resumed>) = 0 [pid 11123] <... futex resumed>) = 0 [pid 11122] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11134] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11131] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11127] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11123] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11131] <... sendto resumed>) = 32 [pid 11123] <... futex resumed>) = 0 [pid 11122] <... futex resumed>) = 0 [pid 11134] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11131] recvfrom(4, [pid 11123] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11134] <... bpf resumed>) = 0 [pid 11131] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11127}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11122] <... mmap resumed>) = 0x7fb926217000 [pid 11134] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11134] <... futex resumed>) = 1 [pid 11131] <... futex resumed>) = 1 [pid 11127] <... futex resumed>) = 0 [pid 11123] <... futex resumed>) = 0 [pid 11122] <... mprotect resumed>) = 0 [pid 11134] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11131] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11127] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11123] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11127] <... futex resumed>) = 0 [pid 11123] <... futex resumed>) = 0 [pid 11122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11131] getsockname(4, [pid 11127] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11123] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11131] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11127, nl_groups=00000000}, [116 => 12]) = 0 [pid 11131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11127] <... futex resumed>) = 0 [pid 11122] <... clone3 resumed> => {parent_tid=[11135]}, 88) = 11135 [pid 11131] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11127] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] rt_sigprocmask(SIG_SETMASK, [], [pid 11134] <... bpf resumed>) = 6 [pid 11131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11127] <... futex resumed>) = 0 [pid 11122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11134] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11131] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x77\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11127] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11122] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11135 attached [pid 11134] <... futex resumed>) = 1 [pid 11123] <... futex resumed>) = 0 [pid 11122] <... futex resumed>) = 0 [pid 11135] set_robust_list(0x7fb9262379a0, 24 [pid 11134] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11123] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11135] <... set_robust_list resumed>) = 0 [pid 11134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11123] <... futex resumed>) = 0 [pid 11123] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11135] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11135] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11122] <... futex resumed>) = 0 [pid 11135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11122] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11135] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11122] <... futex resumed>) = 0 [pid 11135] <... bpf resumed>) = 0 [pid 11122] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11135] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11135] <... futex resumed>) = 1 [pid 11135] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11122] <... futex resumed>) = 0 [pid 11134] <... bpf resumed>) = 7 [pid 11122] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11135] <... futex resumed>) = 0 [pid 11134] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] <... futex resumed>) = 1 [pid 11135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11134] <... futex resumed>) = 1 [pid 11123] <... futex resumed>) = 0 [pid 11122] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11134] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11123] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11123] <... futex resumed>) = 0 [pid 11134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11123] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11135] <... bpf resumed>) = 6 [pid 11135] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11134] <... bpf resumed>) = 8 [pid 11135] <... futex resumed>) = 1 [pid 11134] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] <... futex resumed>) = 0 [pid 11135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11134] <... futex resumed>) = 1 [pid 11123] <... futex resumed>) = 0 [pid 11122] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11135] <... bpf resumed>) = 7 [pid 11134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11123] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] <... futex resumed>) = 0 [pid 11135] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11123] <... futex resumed>) = 0 [pid 11134] <... bpf resumed>) = 9 [pid 11122] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11123] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11135] <... futex resumed>) = 0 [pid 11134] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11122] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11134] <... futex resumed>) = 0 [pid 11122] <... futex resumed>) = 0 [pid 11122] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11134] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11135] <... bpf resumed>) = 8 [pid 11135] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11122] <... futex resumed>) = 0 [ 157.118753][T11131] loop2: detected capacity change from 0 to 256 [ 157.126989][T11131] exfat: Bad value for 'uid' [pid 11135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11122] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11135] <... bpf resumed>) = 9 [pid 11122] <... futex resumed>) = 0 [pid 11135] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11122] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 11135] <... futex resumed>) = 0 [pid 11135] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11127] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11127] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11127] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11137]}, 88) = 11137 [pid 11127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11127] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11124] <... sendmsg resumed>) = 64 [pid 11127] <... futex resumed>) = 0 [pid 11124] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11119] <... sendmsg resumed>) = 64 ./strace-static-x86_64: Process 11137 attached [pid 11127] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11124] <... futex resumed>) = 0 [pid 11119] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11124] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11119] <... futex resumed>) = 0 [pid 11119] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11118] exit_group(0 [pid 11129] <... futex resumed>) = ? [pid 11119] <... futex resumed>) = ? [pid 11118] <... exit_group resumed>) = ? [pid 11129] +++ exited with 0 +++ [pid 11123] exit_group(0 [pid 11119] +++ exited with 0 +++ [pid 11118] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11134] <... futex resumed>) = ? [pid 11124] <... futex resumed>) = ? [pid 11134] +++ exited with 0 +++ [pid 299] ioctl(3, LOOP_CLR_FD [pid 11124] +++ exited with 0 +++ [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11123] <... exit_group resumed>) = ? [pid 11137] set_robust_list(0x7fb9262379a0, 24 [pid 299] close(3) = 0 [pid 11123] +++ exited with 0 +++ [pid 11137] <... set_robust_list resumed>) = 0 [pid 11137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11137] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11137] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11127] <... futex resumed>) = 0 [pid 11137] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11127] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11137] <... bpf resumed>) = 0 [pid 11127] <... futex resumed>) = 0 [pid 11137] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11127] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11137] <... futex resumed>) = 0 [pid 11127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11138 [pid 11137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11127] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11138 attached ) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11138] set_robust_list(0x5555555916a0, 24 [pid 11137] <... bpf resumed>) = 6 [pid 11127] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11137] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 11138] <... set_robust_list resumed>) = 0 [pid 11137] <... futex resumed>) = 1 [pid 11127] <... futex resumed>) = 0 [pid 11137] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11127] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11137] <... bpf resumed>) = 7 [pid 11127] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11137] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11127] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11137] <... futex resumed>) = 0 [pid 11127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11127] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11127] <... futex resumed>) = 0 [pid 294] close(3 [pid 11138] <... prctl resumed>) = 0 [pid 11137] <... bpf resumed>) = 8 [pid 11127] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... close resumed>) = 0 [pid 11137] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11127] <... futex resumed>) = 0 [pid 11137] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11127] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11137] <... bpf resumed>) = 9 [pid 11127] <... futex resumed>) = 0 [pid 11137] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11127] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11137] <... futex resumed>) = 0 [pid 11127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11137] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11138] setpgid(0, 0) = 0 [pid 11138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11138] write(3, "1000", 4) = 4 [pid 11138] close(3 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11138] <... close resumed>) = 0 ./strace-static-x86_64: Process 11139 attached [pid 11138] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11139] set_robust_list(0x5555555916a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11139 [pid 11139] <... set_robust_list resumed>) = 0 [pid 11139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11138] <... futex resumed>) = 0 [pid 11139] <... prctl resumed>) = 0 [pid 11139] setpgid(0, 0 [pid 11138] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11139] <... setpgid resumed>) = 0 [pid 11139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11138] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11139] <... openat resumed>) = 3 [pid 11138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11139] write(3, "1000", 4 [pid 11138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11139] <... write resumed>) = 4 [pid 11138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11139] close(3) = 0 [pid 11139] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11138] <... mmap resumed>) = 0x7fb926238000 [pid 11139] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11138] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11138] <... mprotect resumed>) = 0 [pid 11139] <... mmap resumed>) = 0x7fb926238000 [pid 11139] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11138] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11138] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 11140 attached [pid 11138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11140] set_robust_list(0x7fb9262589a0, 24 [pid 11139] <... clone3 resumed> => {parent_tid=[11140]}, 88) = 11140 [pid 11139] rt_sigprocmask(SIG_SETMASK, [], [pid 11140] <... set_robust_list resumed>) = 0 [pid 11139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11138] <... clone3 resumed> => {parent_tid=[11141]}, 88) = 11141 [pid 11140] rt_sigprocmask(SIG_SETMASK, [], [pid 11139] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] rt_sigprocmask(SIG_SETMASK, [], [pid 11139] <... futex resumed>) = 0 [pid 11138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11139] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11138] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11138] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11140] memfd_create("syzkaller", 0) = 3 [pid 11140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 11141 attached ) = 0x7fb91de38000 [pid 11141] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11141] rt_sigprocmask(SIG_SETMASK, [], [pid 11140] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11141] memfd_create("syzkaller", 0 [pid 11140] munmap(0x7fb91de38000, 138412032) = 0 [pid 11140] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11141] <... memfd_create resumed>) = 3 [pid 11141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11140] <... openat resumed>) = 4 [pid 11140] ioctl(4, LOOP_SET_FD, 3 [pid 11141] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11141] munmap(0x7fb91de38000, 138412032) = 0 [pid 11140] <... ioctl resumed>) = 0 [pid 11125] <... sendmsg resumed>) = 64 [pid 11120] <... sendmsg resumed>) = 64 [pid 11125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11120] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11125] <... futex resumed>) = 0 [pid 11122] exit_group(0 [pid 11120] <... futex resumed>) = 0 [pid 11117] exit_group(0 [pid 11122] <... exit_group resumed>) = ? [pid 11120] exit_group(0 [pid 11140] close(3 [pid 11135] <... futex resumed>) = ? [pid 11133] <... futex resumed>) = ? [pid 11125] +++ exited with 0 +++ [pid 11117] <... exit_group resumed>) = ? [pid 11141] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11133] +++ exited with 0 +++ [pid 11141] <... openat resumed>) = 4 [pid 11141] ioctl(4, LOOP_SET_FD, 3 [pid 11135] +++ exited with 0 +++ [pid 11122] +++ exited with 0 +++ [pid 11140] <... close resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11122, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11140] close(4 [pid 11141] <... ioctl resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11141] close(3) = 0 [pid 11141] close(4) = 0 [pid 11140] <... close resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11142 ./strace-static-x86_64: Process 11142 attached [pid 11141] mkdir("./file0", 0777 [pid 11142] set_robust_list(0x5555555916a0, 24 [pid 11140] mkdir("./file0", 0777 [pid 11141] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11142] <... set_robust_list resumed>) = 0 [pid 11142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11142] setpgid(0, 0) = 0 [pid 11142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11142] write(3, "1000", 4) = 4 [pid 11142] close(3) = 0 [pid 11142] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11141] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11140] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11140] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11142] <... futex resumed>) = 0 [pid 11142] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11141] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11142] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11141] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11140] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11141] <... openat resumed>) = 3 [pid 11120] +++ exited with 0 +++ [pid 11117] +++ exited with 0 +++ [pid 11142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11141] ioctl(3, LOOP_CLR_FD [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11117, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11140] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11142] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11142] <... mprotect resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 11142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11140] <... openat resumed>) = 3 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 297] close(3) = 0 ./strace-static-x86_64: Process 11143 attached [pid 11142] <... clone3 resumed> => {parent_tid=[11143]}, 88) = 11143 [pid 11140] ioctl(3, LOOP_CLR_FD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11144 [pid 11142] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11142] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11144 attached [pid 11144] set_robust_list(0x5555555916a0, 24) = 0 [pid 11144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11144] setpgid(0, 0) = 0 [pid 11144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11144] write(3, "1000", 4) = 4 [pid 11144] close(3) = 0 [pid 11144] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11144] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11143] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11143] rt_sigprocmask(SIG_SETMASK, [], [pid 11144] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11145]}, 88) = 11145 [pid 11144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11143] memfd_create("syzkaller", 0 [pid 11144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11145 attached [pid 11145] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11145] memfd_create("syzkaller", 0) = 3 [pid 11145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11143] <... memfd_create resumed>) = 3 [pid 11143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11145] <... mmap resumed>) = 0x7fb91de38000 [pid 11143] <... mmap resumed>) = 0x7fb91de38000 [pid 11143] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11145] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11143] <... write resumed>) = 131072 [pid 11141] <... ioctl resumed>) = 0 [pid 11131] <... sendmsg resumed>) = 64 [pid 11131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11141] close(3 [pid 11131] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11141] <... close resumed>) = 0 [pid 11141] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11141] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11145] <... write resumed>) = 131072 [pid 11145] munmap(0x7fb91de38000, 138412032) = 0 [pid 11145] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 157.255023][T11140] loop0: detected capacity change from 0 to 256 [ 157.264733][T11141] loop3: detected capacity change from 0 to 256 [ 157.283684][T11140] exfat: Bad value for 'uid' [ 157.283993][T11141] exfat: Bad value for 'uid' [pid 11145] ioctl(4, LOOP_SET_FD, 3 [pid 11143] munmap(0x7fb91de38000, 138412032 [pid 11138] <... futex resumed>) = 0 [pid 11127] exit_group(0 [pid 11138] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11137] <... futex resumed>) = ? [pid 11127] <... exit_group resumed>) = ? [pid 11138] <... futex resumed>) = 1 [pid 11137] +++ exited with 0 +++ [pid 11138] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11143] <... munmap resumed>) = 0 [pid 11143] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11143] ioctl(4, LOOP_SET_FD, 3 [pid 11145] <... ioctl resumed>) = 0 [pid 11141] <... futex resumed>) = 0 [pid 11131] <... futex resumed>) = ? [pid 11145] close(3) = 0 [pid 11145] close(4) = 0 [pid 11145] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11145] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11141] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11140] <... ioctl resumed>) = 0 [pid 11131] +++ exited with 0 +++ [pid 11141] <... socket resumed>) = 3 [pid 11127] +++ exited with 0 +++ [pid 11141] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11140] close(3 [pid 11141] <... futex resumed>) = 1 [pid 11140] <... close resumed>) = 0 [pid 11138] <... futex resumed>) = 0 [pid 11141] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11140] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11140] <... futex resumed>) = 1 [pid 11139] <... futex resumed>) = 0 [pid 11138] <... futex resumed>) = 0 [pid 11141] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11140] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11139] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11141] <... socket resumed>) = 4 [pid 11140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11139] <... futex resumed>) = 0 [pid 11141] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11140] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11139] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11141] <... futex resumed>) = 1 [pid 11140] <... socket resumed>) = 3 [pid 11138] <... futex resumed>) = 0 [pid 11141] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11140] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11140] <... futex resumed>) = 1 [pid 11139] <... futex resumed>) = 0 [pid 11138] <... futex resumed>) = 0 [pid 11141] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11140] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11139] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11141] <... sendto resumed>) = 32 [pid 11140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11139] <... futex resumed>) = 0 [pid 11141] recvfrom(4, [pid 11140] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11139] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11141] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11138}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11140] <... socket resumed>) = 4 [pid 11140] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11127, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11140] <... futex resumed>) = 1 [pid 11140] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11141] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11139] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 11141] <... futex resumed>) = 1 [pid 11139] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11141] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11140] <... futex resumed>) = 0 [pid 11139] <... futex resumed>) = 1 [pid 11138] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11140] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11139] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11138] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11146 [pid 11141] getsockname(4, [pid 11140] <... sendto resumed>) = 32 [pid 11138] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11141] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11138, nl_groups=00000000}, [116 => 12]) = 0 [pid 11140] recvfrom(4, [pid 11141] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11140] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11139}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11141] <... futex resumed>) = 1 [pid 11140] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] <... futex resumed>) = 0 [pid 11141] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11140] <... futex resumed>) = 1 [pid 11139] <... futex resumed>) = 0 [pid 11138] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11140] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11139] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] <... futex resumed>) = 0 [pid 11141] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x82\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11139] <... futex resumed>) = 0 [pid 11138] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11140] getsockname(4, [pid 11139] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11140] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11139, nl_groups=00000000}, [116 => 12]) = 0 [pid 11143] <... ioctl resumed>) = 0 [pid 11140] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11140] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11146 attached [pid 11146] set_robust_list(0x5555555916a0, 24) = 0 [pid 11146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11139] <... futex resumed>) = 0 [pid 11139] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11140] <... futex resumed>) = 0 [pid 11139] <... futex resumed>) = 1 [pid 11140] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x83\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11139] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11146] <... prctl resumed>) = 0 [pid 11146] setpgid(0, 0) = 0 [pid 11146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11146] write(3, "1000", 4) = 4 [pid 11146] close(3) = 0 [pid 11146] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11146] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11145] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11146] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11145] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11146] <... mprotect resumed>) = 0 [pid 11145] <... openat resumed>) = 3 [pid 11146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11145] ioctl(3, LOOP_CLR_FD [pid 11146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11143] close(3 [pid 11146] <... clone3 resumed> => {parent_tid=[11149]}, 88) = 11149 [pid 11143] <... close resumed>) = 0 [pid 11146] rt_sigprocmask(SIG_SETMASK, [], [pid 11143] close(4 [pid 11146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11146] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11143] <... close resumed>) = 0 [pid 11146] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11143] mkdir("./file0", 0777./strace-static-x86_64: Process 11149 attached ) = -1 EEXIST (File exists) [pid 11143] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11149] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 157.319322][T11145] loop1: detected capacity change from 0 to 256 [ 157.325639][T11143] loop4: detected capacity change from 0 to 256 [ 157.328661][T11145] exfat: Bad value for 'uid' [pid 11149] memfd_create("syzkaller", 0) = 3 [pid 11149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11149] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11149] munmap(0x7fb91de38000, 138412032) = 0 [pid 11149] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11149] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11149] close(3) = 0 [pid 11149] close(4) = 0 [pid 11149] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11149] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11143] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11143] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11143] ioctl(3, LOOP_CLR_FD [pid 11149] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11149] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11149] ioctl(3, LOOP_CLR_FD [pid 11145] <... ioctl resumed>) = 0 [pid 11145] close(3) = 0 [pid 11143] <... ioctl resumed>) = 0 [pid 11143] close(3) = 0 [pid 11143] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11142] <... futex resumed>) = 0 [pid 11142] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11142] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11143] <... futex resumed>) = 1 [pid 11143] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11143] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11142] <... futex resumed>) = 0 [pid 11142] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11142] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11143] <... futex resumed>) = 1 [pid 11143] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11143] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11142] <... futex resumed>) = 0 [pid 11142] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11142] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11143] <... futex resumed>) = 1 [pid 11143] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11144] <... futex resumed>) = 0 [pid 11144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11143] <... sendto resumed>) = 32 [pid 11143] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11142}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11145] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11143] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11145] <... socket resumed>) = 3 [pid 11142] <... futex resumed>) = 0 [pid 11142] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11142] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11143] <... futex resumed>) = 1 [pid 11143] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11142, nl_groups=00000000}, [116 => 12]) = 0 [pid 11143] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11142] <... futex resumed>) = 0 [pid 11142] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11142] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11143] <... futex resumed>) = 1 [pid 11143] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x86\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11149] <... ioctl resumed>) = 0 [pid 11145] <... futex resumed>) = 1 [pid 11144] <... futex resumed>) = 0 [pid 11145] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11144] <... futex resumed>) = 0 [pid 11145] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11149] close(3 [pid 11145] <... socket resumed>) = 4 [pid 11149] <... close resumed>) = 0 [pid 11145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11144] <... futex resumed>) = 0 [pid 11149] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11145] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11144] <... futex resumed>) = 0 [pid 11144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11149] <... futex resumed>) = 1 [pid 11146] <... futex resumed>) = 0 [pid 11149] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11146] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11149] <... socket resumed>) = 3 [pid 11146] <... futex resumed>) = 0 [pid 11149] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11146] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11149] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11146] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11149] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11146] <... futex resumed>) = 0 [pid 11149] <... socket resumed>) = 4 [pid 11146] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11149] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11149] <... futex resumed>) = 0 [pid 11146] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11149] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11146] <... futex resumed>) = 0 [pid 11146] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11138] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11138] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11138] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11151]}, 88) = 11151 [pid 11138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11138] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11138] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11151 attached [pid 11139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11139] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11151] set_robust_list(0x7fb9262379a0, 24 [pid 11145] <... sendto resumed>) = 32 [pid 11139] <... mmap resumed>) = 0x7fb926217000 [pid 11151] <... set_robust_list resumed>) = 0 [pid 11145] recvfrom(4, [pid 11139] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11151] rt_sigprocmask(SIG_SETMASK, [], [pid 11149] <... sendto resumed>) = 32 [pid 11145] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11144}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11139] <... mprotect resumed>) = 0 [pid 11151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11149] recvfrom(4, [pid 11145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11149] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11146}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11145] <... futex resumed>) = 1 [pid 11144] <... futex resumed>) = 0 [pid 11151] <... bpf resumed>) = 5 [pid 11149] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11145] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11149] <... futex resumed>) = 1 [pid 11146] <... futex resumed>) = 0 [pid 11145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11144] <... futex resumed>) = 0 [pid 11139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11149] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11146] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11145] getsockname(4, [pid 11144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11146] <... futex resumed>) = 0 [pid 11145] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11144, nl_groups=00000000}, [116 => 12]) = 0 [pid 11139] <... clone3 resumed> => {parent_tid=[11152]}, 88) = 11152 [pid 11149] getsockname(4, [pid 11146] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11139] rt_sigprocmask(SIG_SETMASK, [], [pid 11149] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11146, nl_groups=00000000}, [116 => 12]) = 0 [pid 11145] <... futex resumed>) = 1 [pid 11144] <... futex resumed>) = 0 [pid 11139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11149] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11145] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11139] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11149] <... futex resumed>) = 1 [pid 11146] <... futex resumed>) = 0 [pid 11145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11144] <... futex resumed>) = 0 [pid 11139] <... futex resumed>) = 0 [pid 11149] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11146] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11145] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x88\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11139] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11146] <... futex resumed>) = 0 [pid 11149] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8a\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11146] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11151] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11152 attached ) = 1 [pid 11138] <... futex resumed>) = 0 [pid 11151] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11138] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11138] <... futex resumed>) = 0 [pid 11151] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11138] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11151] <... bpf resumed>) = 0 [pid 11151] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11138] <... futex resumed>) = 0 [pid 11151] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11138] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11138] <... futex resumed>) = 0 [ 157.359763][T11143] exfat: Bad value for 'uid' [ 157.364950][T11149] loop2: detected capacity change from 0 to 256 [ 157.373525][T11149] exfat: Bad value for 'uid' [pid 11151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11138] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11152] set_robust_list(0x7fb9262379a0, 24 [pid 11151] <... bpf resumed>) = 6 [pid 11151] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11138] <... futex resumed>) = 0 [pid 11151] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11138] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11138] <... futex resumed>) = 0 [pid 11152] <... set_robust_list resumed>) = 0 [pid 11151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11138] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11151] <... bpf resumed>) = 7 [pid 11151] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11138] <... futex resumed>) = 0 [pid 11152] rt_sigprocmask(SIG_SETMASK, [], [pid 11151] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11138] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11141] <... sendmsg resumed>) = 64 [pid 11138] <... futex resumed>) = 0 [pid 11151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11141] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11152] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11139] <... futex resumed>) = 0 [pid 11152] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11139] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11139] <... futex resumed>) = 0 [pid 11152] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11139] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11152] <... bpf resumed>) = 0 [pid 11152] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11139] <... futex resumed>) = 0 [pid 11152] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11139] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11151] <... bpf resumed>) = 8 [pid 11141] <... futex resumed>) = 0 [pid 11139] <... futex resumed>) = 0 [pid 11152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11151] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11141] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11139] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11152] <... bpf resumed>) = 6 [pid 11151] <... futex resumed>) = 1 [pid 11138] <... futex resumed>) = 0 [pid 11152] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11151] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11138] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11152] <... futex resumed>) = 1 [pid 11141] <... futex resumed>) = 0 [pid 11139] <... futex resumed>) = 0 [pid 11138] <... futex resumed>) = 1 [pid 11152] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11141] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11139] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11141] <... bpf resumed>) = 9 [pid 11139] <... futex resumed>) = 0 [pid 11152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11139] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11141] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11152] <... bpf resumed>) = 7 [pid 11141] <... futex resumed>) = 1 [pid 11152] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11141] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11138] <... futex resumed>) = 0 [pid 11152] <... futex resumed>) = 1 [pid 11139] <... futex resumed>) = 0 [pid 11152] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11139] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11138] exit_group(0 [pid 11152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11139] <... futex resumed>) = 0 [pid 11138] <... exit_group resumed>) = ? [pid 11152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11139] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11151] <... futex resumed>) = ? [pid 11141] <... futex resumed>) = ? [pid 11152] <... bpf resumed>) = 8 [pid 11151] +++ exited with 0 +++ [pid 11152] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11139] <... futex resumed>) = 0 [pid 11152] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11139] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11139] <... futex resumed>) = 0 [pid 11152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11139] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11152] <... bpf resumed>) = 9 [pid 11152] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11139] <... futex resumed>) = 0 [pid 11152] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11142] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11142] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11142] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11142] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11142] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11155 attached [pid 11155] set_robust_list(0x7fb9262379a0, 24 [pid 11142] <... clone3 resumed> => {parent_tid=[11155]}, 88) = 11155 [pid 11155] <... set_robust_list resumed>) = 0 [pid 11142] rt_sigprocmask(SIG_SETMASK, [], [pid 11155] rt_sigprocmask(SIG_SETMASK, [], [pid 11142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11142] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11142] <... futex resumed>) = 0 [pid 11155] <... bpf resumed>) = 5 [pid 11142] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11155] <... futex resumed>) = 0 [pid 11142] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11155] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11142] <... futex resumed>) = 0 [pid 11155] <... bpf resumed>) = 0 [pid 11142] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11155] <... futex resumed>) = 0 [pid 11142] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11142] <... futex resumed>) = 0 [pid 11142] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11155] <... bpf resumed>) = 6 [pid 11155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11142] <... futex resumed>) = 0 [pid 11155] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11142] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11142] <... futex resumed>) = 0 [pid 11155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11142] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11144] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11144] <... futex resumed>) = 0 [pid 11146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11146] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11144] <... mmap resumed>) = 0x7fb926217000 [pid 11155] <... bpf resumed>) = 7 [pid 11146] <... futex resumed>) = 0 [pid 11144] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11141] +++ exited with 0 +++ [pid 11138] +++ exited with 0 +++ [pid 11155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11144] <... mprotect resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11138, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11155] <... futex resumed>) = 1 [pid 11146] <... mmap resumed>) = 0x7fb926217000 [pid 11144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11142] <... futex resumed>) = 0 [pid 11155] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11146] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11142] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11146] <... mprotect resumed>) = 0 [pid 11144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11142] <... futex resumed>) = 0 [pid 11155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11142] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11144] <... clone3 resumed> => {parent_tid=[11156]}, 88) = 11156 ./strace-static-x86_64: Process 11157 attached ./strace-static-x86_64: Process 11156 attached [pid 11155] <... bpf resumed>) = 8 [pid 11144] rt_sigprocmask(SIG_SETMASK, [], [pid 11157] set_robust_list(0x7fb9262379a0, 24 [pid 11156] set_robust_list(0x7fb9262379a0, 24 [pid 11155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] <... clone3 resumed> => {parent_tid=[11157]}, 88) = 11157 [pid 11144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11157] <... set_robust_list resumed>) = 0 [pid 11156] <... set_robust_list resumed>) = 0 [pid 11155] <... futex resumed>) = 1 [pid 11146] rt_sigprocmask(SIG_SETMASK, [], [pid 11144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11142] <... futex resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 11157] rt_sigprocmask(SIG_SETMASK, [], [pid 11156] rt_sigprocmask(SIG_SETMASK, [], [pid 11155] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11144] <... futex resumed>) = 0 [pid 11142] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11146] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11142] <... futex resumed>) = 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11146] <... futex resumed>) = 0 [pid 11142] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] close(3 [pid 11157] <... bpf resumed>) = 5 [pid 11156] <... bpf resumed>) = 5 [pid 11155] <... bpf resumed>) = 9 [pid 11146] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... close resumed>) = 0 [pid 11157] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11156] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11157] <... futex resumed>) = 0 [pid 11156] <... futex resumed>) = 1 [pid 11155] <... futex resumed>) = 1 [pid 11144] <... futex resumed>) = 0 [pid 11142] <... futex resumed>) = 0 [pid 11157] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11156] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11155] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11144] <... futex resumed>) = 0 [pid 11156] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11156] <... bpf resumed>) = 0 [pid 11146] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11157] <... futex resumed>) = 0 [pid 11156] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] <... futex resumed>) = 1 [pid 11157] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11156] <... futex resumed>) = 1 [pid 11144] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11158 attached [pid 11157] <... bpf resumed>) = 0 [pid 11156] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11146] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11158 [pid 11157] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11144] <... futex resumed>) = 0 [pid 11157] <... futex resumed>) = 0 [pid 11156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11146] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11158] set_robust_list(0x5555555916a0, 24 [pid 11157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11146] <... futex resumed>) = 0 [pid 11158] <... set_robust_list resumed>) = 0 [pid 11156] <... bpf resumed>) = 6 [pid 11146] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11157] <... bpf resumed>) = 6 [pid 11156] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] <... prctl resumed>) = 0 [pid 11157] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11156] <... futex resumed>) = 1 [pid 11144] <... futex resumed>) = 0 [pid 11158] setpgid(0, 0 [pid 11157] <... futex resumed>) = 1 [pid 11156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11146] <... futex resumed>) = 0 [pid 11144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] <... setpgid resumed>) = 0 [pid 11157] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11156] <... bpf resumed>) = 7 [pid 11146] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11144] <... futex resumed>) = 0 [pid 11158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11156] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] <... futex resumed>) = 0 [pid 11144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11158] <... openat resumed>) = 3 [pid 11157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11156] <... futex resumed>) = 0 [pid 11146] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11158] write(3, "1000", 4 [pid 11157] <... bpf resumed>) = 7 [pid 11156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] <... write resumed>) = 4 [pid 11144] <... futex resumed>) = 0 [pid 11158] close(3) = 0 [pid 11158] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11158] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11156] <... bpf resumed>) = 8 [pid 11158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11157] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11157] <... futex resumed>) = 1 [pid 11156] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] <... futex resumed>) = 0 [pid 11144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11156] <... futex resumed>) = 0 [pid 11146] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11146] <... futex resumed>) = 0 [pid 11144] <... futex resumed>) = 0 [pid 11158] <... mmap resumed>) = 0x7fb926238000 [pid 11156] <... bpf resumed>) = 9 [pid 11146] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11158] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11156] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11158] <... mprotect resumed>) = 0 [pid 11157] <... bpf resumed>) = 8 [pid 11156] <... futex resumed>) = 0 [pid 11158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11157] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11156] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11157] <... futex resumed>) = 1 [pid 11146] <... futex resumed>) = 0 [pid 11158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11146] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16./strace-static-x86_64: Process 11159 attached ) = 9 [pid 11146] <... futex resumed>) = 0 [pid 11159] set_robust_list(0x7fb9262589a0, 24 [pid 11158] <... clone3 resumed> => {parent_tid=[11159]}, 88) = 11159 [pid 11157] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11159] <... set_robust_list resumed>) = 0 [pid 11158] rt_sigprocmask(SIG_SETMASK, [], [pid 11157] <... futex resumed>) = 0 [pid 11146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11159] rt_sigprocmask(SIG_SETMASK, [], [pid 11158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11157] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11158] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11159] memfd_create("syzkaller", 0 [pid 11158] <... futex resumed>) = 0 [pid 11159] <... memfd_create resumed>) = 3 [pid 11158] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11159] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11159] munmap(0x7fb91de38000, 138412032) = 0 [pid 11159] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11159] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11159] close(3) = 0 [pid 11159] close(4) = 0 [pid 11159] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11159] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11159] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11159] ioctl(3, LOOP_CLR_FD) = 0 [pid 11145] <... sendmsg resumed>) = 64 [pid 11143] <... sendmsg resumed>) = 64 [pid 11140] <... sendmsg resumed>) = 64 [pid 11159] close(3 [pid 11143] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11159] <... close resumed>) = 0 [pid 11145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11143] <... futex resumed>) = 0 [pid 11140] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11139] exit_group(0 [pid 11159] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11159] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11144] exit_group(0 [pid 11142] exit_group(0 [pid 11158] <... futex resumed>) = 0 [pid 11156] <... futex resumed>) = ? [pid 11155] <... futex resumed>) = ? [pid 11152] <... futex resumed>) = ? [pid 11145] <... futex resumed>) = ? [pid 11144] <... exit_group resumed>) = ? [pid 11142] <... exit_group resumed>) = ? [pid 11140] <... futex resumed>) = ? [pid 11139] <... exit_group resumed>) = ? [pid 11158] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11156] +++ exited with 0 +++ [pid 11155] +++ exited with 0 +++ [pid 11152] +++ exited with 0 +++ [pid 11145] +++ exited with 0 +++ [pid 11144] +++ exited with 0 +++ [pid 11140] +++ exited with 0 +++ [pid 11158] <... futex resumed>) = 1 [pid 11139] +++ exited with 0 +++ [pid 11159] <... futex resumed>) = 0 [pid 11158] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11144, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11139, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... restart_syscall resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 11159] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11159] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11159] <... futex resumed>) = 1 [pid 11158] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 11158] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... openat resumed>) = 3 [pid 11158] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 297] ioctl(3, LOOP_CLR_FD [pid 11158] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11159] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 297] close(3 [pid 11159] <... socket resumed>) = 4 [pid 294] close(3 [pid 11159] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 11159] <... futex resumed>) = 1 [pid 11158] <... futex resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 11158] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11159] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11158] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11159] <... sendto resumed>) = 32 [pid 11158] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11159] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11158}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11159] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11159] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11158] <... futex resumed>) = 0 [pid 11158] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11161 [pid 11159] <... futex resumed>) = 0 [pid 11158] <... futex resumed>) = 1 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11160 [pid 11159] getsockname(4, [pid 11158] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11159] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11158, nl_groups=00000000}, [116 => 12]) = 0 [pid 11159] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11158] <... futex resumed>) = 0 [pid 11159] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11158] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11159] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x96\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11158] <... futex resumed>) = 0 [pid 11158] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11160 attached [pid 11160] set_robust_list(0x5555555916a0, 24) = 0 [pid 11160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11160] setpgid(0, 0) = 0 [pid 11160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11160] write(3, "1000", 4) = 4 [pid 11160] close(3) = 0 [pid 11160] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11160] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11160] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11160] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11163]}, 88) = 11163 [pid 11160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11160] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11160] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11163 attached ./strace-static-x86_64: Process 11161 attached [pid 11163] set_robust_list(0x7fb9262589a0, 24 [pid 11161] set_robust_list(0x5555555916a0, 24 [pid 11163] <... set_robust_list resumed>) = 0 [pid 11161] <... set_robust_list resumed>) = 0 [pid 11163] rt_sigprocmask(SIG_SETMASK, [], [pid 11161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11161] <... prctl resumed>) = 0 [pid 11163] memfd_create("syzkaller", 0 [pid 11161] setpgid(0, 0 [pid 11163] <... memfd_create resumed>) = 3 [pid 11161] <... setpgid resumed>) = 0 [pid 11163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11163] <... mmap resumed>) = 0x7fb91de38000 [pid 11161] <... openat resumed>) = 3 [pid 11163] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11161] write(3, "1000", 4) = 4 [pid 11161] close(3) = 0 [pid 11163] <... write resumed>) = 131072 [pid 11161] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11163] munmap(0x7fb91de38000, 138412032 [pid 11161] <... futex resumed>) = 0 [pid 11163] <... munmap resumed>) = 0 [pid 11161] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11163] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11161] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11163] <... openat resumed>) = 4 [pid 11161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11163] ioctl(4, LOOP_SET_FD, 3 [pid 11161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [ 157.498685][T11159] loop3: detected capacity change from 0 to 256 [ 157.507946][T11159] exfat: Bad value for 'uid' [pid 11161] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11161] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11164]}, 88) = 11164 [pid 11161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11161] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11161] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11164 attached [pid 11164] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11164] memfd_create("syzkaller", 0) = 3 [pid 11164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11163] <... ioctl resumed>) = 0 [pid 11164] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11163] close(3) = 0 [pid 11163] close(4 [pid 11164] <... write resumed>) = 131072 [pid 11163] <... close resumed>) = 0 [pid 11163] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11163] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11149] <... sendmsg resumed>) = 64 [pid 11143] +++ exited with 0 +++ [pid 11142] +++ exited with 0 +++ [pid 11149] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11146] exit_group(0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11142, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11157] <... futex resumed>) = ? [pid 11149] <... futex resumed>) = ? [pid 11146] <... exit_group resumed>) = ? [pid 11164] munmap(0x7fb91de38000, 138412032 [pid 11163] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11157] +++ exited with 0 +++ [pid 11149] +++ exited with 0 +++ [pid 11164] <... munmap resumed>) = 0 [pid 11164] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11164] ioctl(4, LOOP_SET_FD, 3 [pid 11146] +++ exited with 0 +++ [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11163] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 300] <... openat resumed>) = 3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11146, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 300] ioctl(3, LOOP_CLR_FD [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11163] <... openat resumed>) = 3 [pid 300] close(3 [pid 11163] ioctl(3, LOOP_CLR_FD [pid 11164] <... ioctl resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 11164] close(3 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... restart_syscall resumed>) = 0 [pid 11164] <... close resumed>) = 0 [pid 11164] close(4 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11165 [pid 11164] <... close resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11164] mkdir("./file0", 0777 [pid 298] <... openat resumed>) = 3 [pid 11164] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 298] ioctl(3, LOOP_CLR_FD [pid 11164] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 11165 attached [pid 11165] set_robust_list(0x5555555916a0, 24) = 0 [pid 11165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11165] setpgid(0, 0) = 0 [pid 11165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] close(3 [pid 11158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11165] <... openat resumed>) = 3 [pid 11164] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11158] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 11158] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11166 [pid 11158] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11158] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11167]}, 88) = 11167 [pid 11158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11158] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11158] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11165] write(3, "1000", 4) = 4 [pid 11165] close(3 [pid 11164] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11165] <... close resumed>) = 0 [pid 11164] <... openat resumed>) = 3 [pid 11165] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11164] ioctl(3, LOOP_CLR_FD [pid 11165] <... futex resumed>) = 0 [pid 11164] <... ioctl resumed>) = 0 [pid 11165] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11164] close(3 [pid 11165] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11167 attached ./strace-static-x86_64: Process 11166 attached [pid 11167] set_robust_list(0x7fb9262379a0, 24 [pid 11165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11166] set_robust_list(0x5555555916a0, 24 [pid 11165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11167] <... set_robust_list resumed>) = 0 [pid 11167] rt_sigprocmask(SIG_SETMASK, [], [pid 11166] <... set_robust_list resumed>) = 0 [pid 11165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11165] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11165] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11169]}, 88) = 11169 [pid 11165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11165] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11165] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11166] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 11169 attached [pid 11167] <... bpf resumed>) = 5 [pid 11166] <... prctl resumed>) = 0 [pid 11164] <... close resumed>) = 0 [pid 11169] set_robust_list(0x7fb9262589a0, 24 [pid 11167] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] setpgid(0, 0 [pid 11164] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11169] <... set_robust_list resumed>) = 0 [pid 11167] <... futex resumed>) = 1 [pid 11166] <... setpgid resumed>) = 0 [pid 11164] <... futex resumed>) = 1 [pid 11167] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11164] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11161] <... futex resumed>) = 0 [pid 11158] <... futex resumed>) = 0 [pid 11161] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11161] <... futex resumed>) = 0 [pid 11158] <... futex resumed>) = 0 [pid 11161] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11169] rt_sigprocmask(SIG_SETMASK, [], [pid 11167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11166] <... openat resumed>) = 3 [pid 11158] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11163] <... ioctl resumed>) = 0 [pid 11169] memfd_create("syzkaller", 0) = 3 [pid 11169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11163] close(3 [pid 11169] <... mmap resumed>) = 0x7fb91de38000 [pid 11169] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11163] <... close resumed>) = 0 [pid 11169] <... write resumed>) = 131072 [pid 11169] munmap(0x7fb91de38000, 138412032) = 0 [pid 11169] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11169] ioctl(4, LOOP_SET_FD, 3 [pid 11163] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11160] <... futex resumed>) = 0 [pid 11163] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11160] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11163] <... socket resumed>) = 3 [pid 11160] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11163] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11160] <... futex resumed>) = 0 [pid 11167] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11163] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11160] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11167] <... bpf resumed>) = 0 [pid 11163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11160] <... futex resumed>) = 0 [pid 11167] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11163] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11160] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11167] <... futex resumed>) = 1 [pid 11163] <... socket resumed>) = 4 [pid 11158] <... futex resumed>) = 0 [pid 11167] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11166] write(3, "1000", 4 [pid 11163] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11166] <... write resumed>) = 4 [pid 11163] <... futex resumed>) = 1 [pid 11160] <... futex resumed>) = 0 [pid 11158] <... futex resumed>) = 0 [pid 11167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11166] close(3 [pid 11164] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11163] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11160] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [ 157.546181][T11163] loop0: detected capacity change from 0 to 256 [ 157.557888][T11163] exfat: Bad value for 'uid' [ 157.564678][T11164] loop1: detected capacity change from 0 to 256 [ 157.576040][T11164] exfat: Bad value for 'uid' [pid 11158] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11167] <... bpf resumed>) = 6 [pid 11166] <... close resumed>) = 0 [pid 11164] <... socket resumed>) = 3 [pid 11163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11160] <... futex resumed>) = 0 [pid 11167] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11164] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11163] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11160] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11167] <... futex resumed>) = 1 [pid 11166] <... futex resumed>) = 0 [pid 11164] <... futex resumed>) = 1 [pid 11163] <... sendto resumed>) = 32 [pid 11167] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11166] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11164] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11163] recvfrom(4, [pid 11166] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11163] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11160}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11163] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11163] <... futex resumed>) = 1 [pid 11160] <... futex resumed>) = 0 [pid 11166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11163] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11160] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] <... mmap resumed>) = 0x7fb926238000 [pid 11163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11160] <... futex resumed>) = 0 [pid 11166] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11163] getsockname(4, [pid 11160] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11166] <... mprotect resumed>) = 0 [pid 11163] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11160, nl_groups=00000000}, [116 => 12]) = 0 [pid 11166] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11163] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11163] <... futex resumed>) = 1 [pid 11160] <... futex resumed>) = 0 [pid 11166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11163] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11160] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11160] <... futex resumed>) = 0 [pid 11166] <... clone3 resumed> => {parent_tid=[11170]}, 88) = 11170 [pid 11163] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x98\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11160] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11166] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11166] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11158] <... futex resumed>) = 0 [pid 11158] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11167] <... futex resumed>) = 0 [pid 11158] <... futex resumed>) = 1 [pid 11167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11161] <... futex resumed>) = 0 [pid 11158] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 11170 attached [pid 11169] <... ioctl resumed>) = 0 [pid 11167] <... bpf resumed>) = 7 [pid 11161] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11170] set_robust_list(0x7fb9262589a0, 24 [pid 11169] close(3 [pid 11161] <... futex resumed>) = 1 [pid 11170] <... set_robust_list resumed>) = 0 [pid 11169] <... close resumed>) = 0 [pid 11161] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11170] rt_sigprocmask(SIG_SETMASK, [], [pid 11169] close(4 [pid 11170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11167] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11164] <... futex resumed>) = 0 [pid 11170] memfd_create("syzkaller", 0 [pid 11169] <... close resumed>) = 0 [pid 11170] <... memfd_create resumed>) = 3 [pid 11170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11169] mkdir("./file0", 0777 [pid 11170] <... mmap resumed>) = 0x7fb91de38000 [pid 11170] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11169] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11167] <... futex resumed>) = 1 [pid 11170] <... write resumed>) = 131072 [pid 11169] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11164] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11158] <... futex resumed>) = 0 [pid 11170] munmap(0x7fb91de38000, 138412032 [pid 11167] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11164] <... socket resumed>) = 4 [pid 11158] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11164] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] <... futex resumed>) = 0 [pid 11167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11164] <... futex resumed>) = 1 [pid 11161] <... futex resumed>) = 0 [pid 11158] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11167] <... bpf resumed>) = 8 [pid 11164] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11161] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11167] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11161] <... futex resumed>) = 0 [pid 11167] <... futex resumed>) = 1 [pid 11164] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11161] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11158] <... futex resumed>) = 0 [pid 11167] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11158] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11158] <... futex resumed>) = 0 [pid 11167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11158] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11170] <... munmap resumed>) = 0 [pid 11169] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11167] <... bpf resumed>) = 9 [pid 11170] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11169] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11164] <... sendto resumed>) = 32 [pid 11170] <... openat resumed>) = 4 [pid 11169] <... openat resumed>) = 3 [pid 11167] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11164] recvfrom(4, [pid 11159] <... sendmsg resumed>) = 64 [pid 11170] ioctl(4, LOOP_SET_FD, 3 [pid 11169] ioctl(3, LOOP_CLR_FD [pid 11167] <... futex resumed>) = 1 [pid 11164] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11161}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11159] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] <... futex resumed>) = 0 [pid 11167] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11164] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11158] exit_group(0 [pid 11167] <... futex resumed>) = ? [pid 11164] <... futex resumed>) = 1 [pid 11161] <... futex resumed>) = 0 [pid 11158] <... exit_group resumed>) = ? [pid 11167] +++ exited with 0 +++ [pid 11164] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11161] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11161] <... futex resumed>) = 0 [pid 11164] getsockname(4, [pid 11161] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11164] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11161, nl_groups=00000000}, [116 => 12]) = 0 [pid 11164] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11161] <... futex resumed>) = 0 [pid 11164] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11161] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11161] <... futex resumed>) = 0 [pid 11164] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x99\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11161] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11170] <... ioctl resumed>) = 0 [pid 11159] <... futex resumed>) = ? [pid 11159] +++ exited with 0 +++ [pid 11158] +++ exited with 0 +++ [pid 11170] close(3) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11158, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11170] close(4) = 0 [pid 11170] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11170] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 299] <... openat resumed>) = 3 [pid 11170] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 299] ioctl(3, LOOP_CLR_FD [pid 11170] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11170] ioctl(3, LOOP_CLR_FD) = 0 [pid 11170] close(3 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 11170] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 11170] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11170] <... futex resumed>) = 1 [pid 11170] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11173 attached [pid 11166] <... futex resumed>) = 0 [pid 11166] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11173 [pid 11166] <... futex resumed>) = 1 [pid 11166] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11173] set_robust_list(0x5555555916a0, 24 [pid 11170] <... futex resumed>) = 0 [pid 11170] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11173] <... set_robust_list resumed>) = 0 [pid 11173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11170] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] <... futex resumed>) = 0 [pid 11166] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11166] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11170] <... futex resumed>) = 1 [pid 11170] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11173] <... prctl resumed>) = 0 [pid 11173] setpgid(0, 0 [pid 11170] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11173] <... setpgid resumed>) = 0 [pid 11166] <... futex resumed>) = 0 [pid 11166] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11166] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11170] <... futex resumed>) = 1 [pid 11173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11170] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11173] <... openat resumed>) = 3 [pid 11173] write(3, "1000", 4) = 4 [pid 11173] close(3) = 0 [pid 11173] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11173] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11173] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11173] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11174]}, 88) = 11174 [pid 11173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11170] <... sendto resumed>) = 32 ./strace-static-x86_64: Process 11174 attached [pid 11170] recvfrom(4, [pid 11174] set_robust_list(0x7fb9262589a0, 24 [pid 11170] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11166}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11174] <... set_robust_list resumed>) = 0 [pid 11173] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11170] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11166] <... futex resumed>) = 0 [pid 11173] <... futex resumed>) = 0 [pid 11174] rt_sigprocmask(SIG_SETMASK, [], [pid 11170] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11166] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11173] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11166] <... futex resumed>) = 0 [pid 11170] getsockname(4, [pid 11166] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11170] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11166, nl_groups=00000000}, [116 => 12]) = 0 [pid 11170] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11166] <... futex resumed>) = 0 [pid 11170] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11166] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11166] <... futex resumed>) = 0 [pid 11160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11170] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9e\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11166] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11160] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11174] memfd_create("syzkaller", 0 [pid 11160] <... futex resumed>) = 0 [pid 11174] <... memfd_create resumed>) = 3 [pid 11174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11174] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11174] munmap(0x7fb91de38000, 138412032 [pid 11160] <... mmap resumed>) = 0x7fb926217000 [pid 11160] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11174] <... munmap resumed>) = 0 [pid 11160] <... mprotect resumed>) = 0 [pid 11174] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11174] ioctl(4, LOOP_SET_FD, 3 [pid 11160] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11176]}, 88) = 11176 [pid 11160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11160] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11160] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11176 attached [pid 11176] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11176] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11176] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11160] <... futex resumed>) = 0 [pid 11160] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 157.603677][T11169] loop4: detected capacity change from 0 to 256 [ 157.619307][T11169] exfat: Bad value for 'uid' [ 157.628567][T11170] loop2: detected capacity change from 0 to 256 [ 157.638300][T11170] exfat: Bad value for 'uid' [pid 11160] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11176] <... futex resumed>) = 1 [pid 11174] <... ioctl resumed>) = 0 [pid 11169] <... ioctl resumed>) = 0 [pid 11169] close(3) = 0 [pid 11169] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11169] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11165] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11165] <... futex resumed>) = 0 [pid 11169] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11165] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11169] <... socket resumed>) = 3 [pid 11169] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11169] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11165] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11165] <... futex resumed>) = 0 [pid 11169] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11165] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11169] <... socket resumed>) = 4 [pid 11169] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11169] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11165] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11165] <... futex resumed>) = 0 [pid 11169] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11165] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11169] <... sendto resumed>) = 32 [pid 11169] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11165}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11176] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11174] close(3 [pid 11169] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11176] <... bpf resumed>) = 0 [pid 11174] <... close resumed>) = 0 [pid 11169] <... futex resumed>) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11176] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11174] close(4 [pid 11169] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11165] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11176] <... futex resumed>) = 1 [pid 11174] <... close resumed>) = 0 [pid 11169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11165] <... futex resumed>) = 0 [pid 11160] <... futex resumed>) = 0 [pid 11176] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11174] mkdir("./file0", 0777 [pid 11169] getsockname(4, [pid 11165] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11160] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11174] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11169] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11165, nl_groups=00000000}, [116 => 12]) = 0 [pid 11160] <... futex resumed>) = 0 [pid 11176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11174] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11169] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11160] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11176] <... bpf resumed>) = 6 [pid 11169] <... futex resumed>) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11161] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11176] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11174] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11169] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11165] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11161] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11176] <... futex resumed>) = 1 [pid 11174] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11165] <... futex resumed>) = 0 [pid 11160] <... futex resumed>) = 0 [pid 11176] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11174] <... openat resumed>) = 3 [pid 11169] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9d\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11165] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11161] <... futex resumed>) = 0 [pid 11160] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11174] ioctl(3, LOOP_CLR_FD [pid 11160] <... futex resumed>) = 0 [pid 11176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11160] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11176] <... bpf resumed>) = 7 [pid 11176] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11161] <... mmap resumed>) = 0x7fb926217000 [pid 11160] <... futex resumed>) = 0 [pid 11176] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11161] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11160] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11160] <... futex resumed>) = 0 [pid 11176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11161] <... mprotect resumed>) = 0 [pid 11160] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11161] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11176] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 11178 attached [pid 11176] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11161] <... clone3 resumed> => {parent_tid=[11178]}, 88) = 11178 [pid 11178] set_robust_list(0x7fb9262379a0, 24 [pid 11176] <... futex resumed>) = 1 [pid 11161] rt_sigprocmask(SIG_SETMASK, [], [pid 11160] <... futex resumed>) = 0 [pid 11178] <... set_robust_list resumed>) = 0 [pid 11176] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11160] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11178] rt_sigprocmask(SIG_SETMASK, [], [pid 11176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11160] <... futex resumed>) = 0 [pid 11178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11160] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11178] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11176] <... bpf resumed>) = 9 [pid 11176] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11160] <... futex resumed>) = 0 [pid 11176] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11161] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11178] <... futex resumed>) = 0 [pid 11161] <... futex resumed>) = 1 [pid 11178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11161] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11178] <... bpf resumed>) = 5 [pid 11178] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11161] <... futex resumed>) = 0 [pid 11178] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11161] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11178] <... bpf resumed>) = 0 [pid 11161] <... futex resumed>) = 0 [pid 11178] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11161] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11178] <... futex resumed>) = 0 [pid 11161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11161] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11161] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11178] <... bpf resumed>) = 6 [pid 11178] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11161] <... futex resumed>) = 0 [pid 11161] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11178] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11161] <... futex resumed>) = 0 [pid 11178] <... bpf resumed>) = 7 [pid 11161] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11178] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11161] <... futex resumed>) = 0 [pid 11178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11161] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11161] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11178] <... bpf resumed>) = 8 [pid 11178] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11161] <... futex resumed>) = 0 [pid 11178] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11161] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11178] <... bpf resumed>) = 9 [pid 11161] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11178] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11161] <... futex resumed>) = 0 [pid 11178] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11166] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11166] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11166] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11179 attached [pid 11179] set_robust_list(0x7fb9262379a0, 24 [pid 11166] <... clone3 resumed> => {parent_tid=[11179]}, 88) = 11179 [pid 11179] <... set_robust_list resumed>) = 0 [pid 11166] rt_sigprocmask(SIG_SETMASK, [], [pid 11179] rt_sigprocmask(SIG_SETMASK, [], [pid 11166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11166] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11166] <... futex resumed>) = 0 [pid 11179] <... bpf resumed>) = 5 [pid 11166] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11179] <... futex resumed>) = 0 [pid 11166] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11179] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11166] <... futex resumed>) = 0 [pid 11179] <... bpf resumed>) = 0 [pid 11166] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11179] <... futex resumed>) = 0 [pid 11166] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11166] <... futex resumed>) = 0 [pid 11166] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11179] <... bpf resumed>) = 6 [pid 11179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11166] <... futex resumed>) = 0 [pid 11179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11166] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11179] <... bpf resumed>) = 7 [pid 11166] <... futex resumed>) = 0 [pid 11179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11166] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11179] <... futex resumed>) = 0 [pid 11166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11166] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11166] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11179] <... bpf resumed>) = 8 [pid 11179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11166] <... futex resumed>) = 0 [pid 11166] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11166] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11166] <... futex resumed>) = 0 [ 157.663653][T11174] loop3: detected capacity change from 0 to 256 [ 157.677369][T11174] exfat: Bad value for 'uid' [pid 11179] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11174] <... ioctl resumed>) = 0 [pid 11163] <... sendmsg resumed>) = 64 [pid 11174] close(3) = 0 [pid 11163] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11174] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11174] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11173] <... futex resumed>) = 0 [pid 11163] <... futex resumed>) = 0 [pid 11173] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11163] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11174] <... futex resumed>) = 0 [pid 11173] <... futex resumed>) = 1 [pid 11165] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11174] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11173] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11165] <... futex resumed>) = 0 [pid 11174] <... socket resumed>) = 3 [pid 11165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11160] exit_group(0 [pid 11176] <... futex resumed>) = ? [pid 11174] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11165] <... mmap resumed>) = 0x7fb926217000 [pid 11163] <... futex resumed>) = ? [pid 11160] <... exit_group resumed>) = ? [pid 11176] +++ exited with 0 +++ [pid 11174] <... futex resumed>) = 1 [pid 11173] <... futex resumed>) = 0 [pid 11165] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11163] +++ exited with 0 +++ [pid 11160] +++ exited with 0 +++ [pid 11174] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11173] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11165] <... mprotect resumed>) = 0 [pid 11174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11173] <... futex resumed>) = 0 [pid 11165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11174] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11173] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11174] <... socket resumed>) = 4 [pid 11165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11174] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11165] <... clone3 resumed> => {parent_tid=[11180]}, 88) = 11180 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11174] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11173] <... futex resumed>) = 0 [pid 11165] rt_sigprocmask(SIG_SETMASK, [], [pid 11174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11173] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 11180 attached [pid 11174] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11173] <... futex resumed>) = 0 [pid 11165] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11180] set_robust_list(0x7fb9262379a0, 24 [pid 11174] <... sendto resumed>) = 32 [pid 11173] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11165] <... futex resumed>) = 0 [pid 11165] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11174] recvfrom(4, [pid 11180] <... set_robust_list resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11174] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11173}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11180] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... openat resumed>) = 3 [pid 11174] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11174] <... futex resumed>) = 1 [pid 11180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11173] <... futex resumed>) = 0 [pid 11174] getsockname(4, [pid 11173] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11174] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11173, nl_groups=00000000}, [116 => 12]) = 0 [pid 11173] <... futex resumed>) = 0 [pid 11174] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11173] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] close(3 [pid 11174] <... futex resumed>) = 0 [pid 11173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11174] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11173] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 11180] <... bpf resumed>) = 5 [pid 11174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11173] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11174] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa5\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11173] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11181 attached [pid 11165] <... futex resumed>) = 0 [pid 11181] set_robust_list(0x5555555916a0, 24 [pid 11165] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] <... set_robust_list resumed>) = 0 [pid 11165] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11181 [pid 11181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11165] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11181] <... prctl resumed>) = 0 [pid 11181] setpgid(0, 0 [pid 11180] <... futex resumed>) = 1 [pid 11181] <... setpgid resumed>) = 0 [pid 11181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11180] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11181] <... openat resumed>) = 3 [pid 11181] write(3, "1000", 4) = 4 [pid 11181] close(3) = 0 [pid 11180] <... bpf resumed>) = 0 [pid 11181] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11181] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11181] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11180] <... futex resumed>) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11165] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11165] <... futex resumed>) = 0 [pid 11165] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11181] <... clone3 resumed> => {parent_tid=[11183]}, 88) = 11183 [pid 11181] rt_sigprocmask(SIG_SETMASK, [], [pid 11180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 11183 attached [pid 11181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11181] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11181] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11180] <... bpf resumed>) = 6 [pid 11183] set_robust_list(0x7fb9262589a0, 24 [pid 11180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11183] <... set_robust_list resumed>) = 0 [pid 11180] <... futex resumed>) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11164] <... sendmsg resumed>) = 64 [pid 11183] rt_sigprocmask(SIG_SETMASK, [], [pid 11180] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11165] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11165] <... futex resumed>) = 0 [pid 11183] memfd_create("syzkaller", 0 [pid 11180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11164] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11165] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11164] <... futex resumed>) = 0 [pid 11161] exit_group(0 [pid 11180] <... bpf resumed>) = 7 [pid 11178] <... futex resumed>) = ? [pid 11183] <... memfd_create resumed>) = 3 [pid 11161] <... exit_group resumed>) = ? [pid 11183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11178] +++ exited with 0 +++ [pid 11164] +++ exited with 0 +++ [pid 11180] <... futex resumed>) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11183] <... mmap resumed>) = 0x7fb91de38000 [pid 11165] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11165] <... futex resumed>) = 0 [pid 11165] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11180] <... bpf resumed>) = 8 [pid 11180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11165] <... futex resumed>) = 0 [pid 11165] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11165] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11183] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11183] munmap(0x7fb91de38000, 138412032) = 0 [pid 11183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11183] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11183] close(3) = 0 [pid 11183] close(4) = 0 [pid 11183] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11183] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11183] ioctl(3, LOOP_CLR_FD) = 0 [pid 11183] close(3 [pid 11170] <... sendmsg resumed>) = 64 [pid 11183] <... close resumed>) = 0 [pid 11183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11183] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11161] +++ exited with 0 +++ [pid 11169] <... sendmsg resumed>) = 64 [pid 11180] <... bpf resumed>) = 9 [pid 11170] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11169] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] <... futex resumed>) = 0 [pid 11180] <... futex resumed>) = 1 [pid 11170] <... futex resumed>) = 0 [pid 11169] <... futex resumed>) = 0 [pid 11165] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11161, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11181] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11180] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11170] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11169] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11166] exit_group(0 [pid 11165] exit_group(0 [pid 11181] <... futex resumed>) = 1 [pid 11180] <... futex resumed>) = ? [pid 11179] <... futex resumed>) = ? [pid 11170] <... futex resumed>) = ? [pid 11169] <... futex resumed>) = ? [pid 11166] <... exit_group resumed>) = ? [pid 11165] <... exit_group resumed>) = ? [pid 11181] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11180] +++ exited with 0 +++ [pid 11179] +++ exited with 0 +++ [pid 11170] +++ exited with 0 +++ [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11184 ./strace-static-x86_64: Process 11184 attached [pid 11184] set_robust_list(0x5555555916a0, 24) = 0 [pid 11184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11183] <... futex resumed>) = 0 [pid 11183] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11181] <... futex resumed>) = 0 [pid 11181] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11183] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11181] <... futex resumed>) = 0 [pid 11181] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11184] <... prctl resumed>) = 0 [pid 11184] setpgid(0, 0) = 0 [pid 11184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11184] write(3, "1000", 4) = 4 [pid 11184] close(3) = 0 [pid 11184] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11183] <... socket resumed>) = 4 [pid 11183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11181] <... futex resumed>) = 0 [pid 11181] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11183] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11181] <... futex resumed>) = 0 [pid 11181] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11183] <... sendto resumed>) = 32 [pid 11183] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11181}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11184] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11184] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11183] <... futex resumed>) = 1 [pid 11181] <... futex resumed>) = 0 [pid 11173] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11183] getsockname(4, [pid 11181] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11183] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11181, nl_groups=00000000}, [116 => 12]) = 0 [pid 11181] <... futex resumed>) = 0 [pid 11173] <... futex resumed>) = 0 [pid 11183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11183] <... futex resumed>) = 0 [pid 11181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11183] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xad\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11181] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11173] <... mmap resumed>) = 0x7fb926217000 [pid 11184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11181] <... futex resumed>) = 0 [pid 11181] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11173] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11173] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11186]}, 88) = 11186 [pid 11173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11173] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11173] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11186 attached [pid 11184] <... mmap resumed>) = 0x7fb926238000 [pid 11186] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11184] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11186] rt_sigprocmask(SIG_SETMASK, [], [pid 11184] <... mprotect resumed>) = 0 [pid 11186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11184] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11186] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11173] <... futex resumed>) = 0 [pid 11186] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11184] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11173] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11186] <... bpf resumed>) = 0 [pid 11184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11173] <... futex resumed>) = 0 [pid 11186] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11173] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11186] <... futex resumed>) = 0 [pid 11184] <... clone3 resumed> => {parent_tid=[11187]}, 88) = 11187 [pid 11173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11184] rt_sigprocmask(SIG_SETMASK, [], [pid 11173] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11186] <... bpf resumed>) = 6 [pid 11184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11173] <... futex resumed>) = 0 [pid 11186] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11186] <... futex resumed>) = 0 [pid 11186] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11184] <... futex resumed>) = 0 [pid 11184] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11187 attached [pid 11187] set_robust_list(0x7fb9262589a0, 24 [pid 11173] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11187] <... set_robust_list resumed>) = 0 [pid 11173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11173] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11173] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11186] <... futex resumed>) = 0 [pid 11187] rt_sigprocmask(SIG_SETMASK, [], [pid 11186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11187] memfd_create("syzkaller", 0) = 3 [pid 11187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11187] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11187] munmap(0x7fb91de38000, 138412032) = 0 [pid 11187] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 157.762952][T11183] loop0: detected capacity change from 0 to 256 [ 157.770430][T11183] exfat: Bad value for 'uid' [pid 11187] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11187] close(3) = 0 [pid 11187] close(4) = 0 [pid 11187] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11187] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11187] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11187] ioctl(3, LOOP_CLR_FD) = 0 [pid 11187] close(3) = 0 [pid 11187] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] <... futex resumed>) = 0 [pid 11184] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11184] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11187] <... futex resumed>) = 1 [pid 11187] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11187] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] <... futex resumed>) = 0 [pid 11184] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11184] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11187] <... futex resumed>) = 1 [pid 11187] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11187] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] <... futex resumed>) = 0 [pid 11184] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11184] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11187] <... futex resumed>) = 1 [pid 11187] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11187] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11184}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11187] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11184] <... futex resumed>) = 0 [pid 11187] getsockname(4, [pid 11184] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11187] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11184, nl_groups=00000000}, [116 => 12]) = 0 [pid 11184] <... futex resumed>) = 0 [pid 11187] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11187] <... futex resumed>) = 0 [pid 11184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11187] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb0\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11184] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11174] <... sendmsg resumed>) = 64 [pid 11169] +++ exited with 0 +++ [pid 11166] +++ exited with 0 +++ [pid 11165] +++ exited with 0 +++ [pid 11184] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11174] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11174] <... futex resumed>) = 0 [pid 11174] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11165, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 300] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 298] ioctl(3, LOOP_CLR_FD [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3 [pid 298] close(3 [pid 300] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11189 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11190 ./strace-static-x86_64: Process 11189 attached [pid 11189] set_robust_list(0x5555555916a0, 24) = 0 [pid 11189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11189] setpgid(0, 0) = 0 [pid 11189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11189] write(3, "1000", 4) = 4 [pid 11189] close(3) = 0 [pid 11189] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11189] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11189] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11191]}, 88) = 11191 [pid 11189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11191 attached [pid 11191] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11191] memfd_create("syzkaller", 0) = 3 [pid 11191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11191] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 ./strace-static-x86_64: Process 11190 attached [pid 11190] set_robust_list(0x5555555916a0, 24) = 0 [pid 11191] munmap(0x7fb91de38000, 138412032) = 0 [pid 11186] <... bpf resumed>) = 7 [pid 11190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11186] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... prctl resumed>) = 0 [pid 11186] <... futex resumed>) = 1 [pid 11173] <... futex resumed>) = 0 [pid 11190] setpgid(0, 0 [pid 11186] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11173] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... setpgid resumed>) = 0 [pid 11173] <... futex resumed>) = 1 [pid 11174] <... futex resumed>) = 0 [pid 11173] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11191] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11191] ioctl(4, LOOP_SET_FD, 3 [pid 11190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11174] <... bpf resumed>) = 8 [pid 11174] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11173] <... futex resumed>) = 0 [pid 11174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11173] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11191] <... ioctl resumed>) = 0 [pid 11190] <... openat resumed>) = 3 [pid 11181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11174] <... bpf resumed>) = 9 [pid 11173] <... futex resumed>) = 0 [pid 11181] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11173] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11181] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11174] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] write(3, "1000", 4 [pid 11191] close(3 [pid 11190] <... write resumed>) = 4 [pid 11191] <... close resumed>) = 0 [pid 11190] close(3 [pid 11191] close(4 [pid 11190] <... close resumed>) = 0 [pid 11181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11174] <... futex resumed>) = 1 [pid 11173] <... futex resumed>) = 0 [pid 11174] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11173] exit_group(0 [pid 11181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11186] <... futex resumed>) = ? [pid 11174] <... futex resumed>) = ? [pid 11173] <... exit_group resumed>) = ? [pid 11191] <... close resumed>) = 0 [pid 11190] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11186] +++ exited with 0 +++ [pid 11181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11192]}, 88) = 11192 [pid 11181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11181] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11174] +++ exited with 0 +++ [pid 11173] +++ exited with 0 +++ [pid 11181] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11181] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3./strace-static-x86_64: Process 11192 attached ) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11192] set_robust_list(0x7fb9262379a0, 24 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11193 [pid 11192] <... set_robust_list resumed>) = 0 [pid 11190] <... futex resumed>) = 0 [pid 11190] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11192] rt_sigprocmask(SIG_SETMASK, [], [pid 11190] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11190] <... mprotect resumed>) = 0 [pid 11192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11192] <... bpf resumed>) = 5 [pid 11190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11194]}, 88) = 11194 [pid 11190] rt_sigprocmask(SIG_SETMASK, [], [pid 11192] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11192] <... futex resumed>) = 1 [pid 11190] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] <... futex resumed>) = 0 [pid 11192] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11190] <... futex resumed>) = 0 [pid 11181] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11193 attached [pid 11192] <... bpf resumed>) = 0 [pid 11190] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11181] <... futex resumed>) = 0 [pid 11193] set_robust_list(0x5555555916a0, 24 [pid 11192] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11193] <... set_robust_list resumed>) = 0 [pid 11192] <... futex resumed>) = 0 [pid 11181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11192] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11181] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11193] <... prctl resumed>) = 0 [pid 11192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11191] mkdir("./file0", 0777 [pid 11181] <... futex resumed>) = 0 [pid 11191] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11181] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 157.810191][T11187] loop1: detected capacity change from 0 to 256 [ 157.817607][T11187] exfat: Bad value for 'uid' [ 157.847965][T11191] loop4: detected capacity change from 0 to 256 [pid 11191] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11194 attached [pid 11193] setpgid(0, 0 [pid 11192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11194] set_robust_list(0x7fb9262589a0, 24 [pid 11193] <... setpgid resumed>) = 0 [pid 11192] <... bpf resumed>) = 6 [pid 11194] <... set_robust_list resumed>) = 0 [pid 11193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11192] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11194] rt_sigprocmask(SIG_SETMASK, [], [pid 11193] <... openat resumed>) = 3 [pid 11192] <... futex resumed>) = 1 [pid 11194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11193] write(3, "1000", 4 [pid 11192] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11194] memfd_create("syzkaller", 0 [pid 11193] <... write resumed>) = 4 [pid 11194] <... memfd_create resumed>) = 3 [pid 11193] close(3 [pid 11194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11193] <... close resumed>) = 0 [pid 11194] <... mmap resumed>) = 0x7fb91de38000 [pid 11193] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11194] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11193] <... futex resumed>) = 0 [pid 11193] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11181] <... futex resumed>) = 0 [pid 11193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11181] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11193] <... mmap resumed>) = 0x7fb926238000 [pid 11193] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11192] <... futex resumed>) = 0 [pid 11181] <... futex resumed>) = 1 [pid 11193] <... mprotect resumed>) = 0 [pid 11192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11181] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11191] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11194] <... write resumed>) = 131072 [pid 11191] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11191] ioctl(3, LOOP_CLR_FD [pid 11193] <... clone3 resumed> => {parent_tid=[11195]}, 88) = 11195 [pid 11194] munmap(0x7fb91de38000, 138412032 [pid 11193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11192] <... bpf resumed>) = 7 [pid 11192] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11181] <... futex resumed>) = 0 [pid 11192] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11181] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11181] <... futex resumed>) = 0 [pid 11192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11181] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11195 attached [pid 11194] <... munmap resumed>) = 0 [pid 11193] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11195] set_robust_list(0x7fb9262589a0, 24 [pid 11194] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11193] <... futex resumed>) = 0 [pid 11192] <... bpf resumed>) = 8 [pid 11195] <... set_robust_list resumed>) = 0 [pid 11194] <... openat resumed>) = 4 [pid 11193] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11195] rt_sigprocmask(SIG_SETMASK, [], [pid 11194] ioctl(4, LOOP_SET_FD, 3 [pid 11192] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11192] <... futex resumed>) = 1 [pid 11184] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] <... futex resumed>) = 0 [pid 11192] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11184] <... futex resumed>) = 0 [pid 11181] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11181] <... futex resumed>) = 0 [pid 11192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11184] <... mmap resumed>) = 0x7fb926217000 [pid 11181] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11184] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11184] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11196]}, 88) = 11196 [pid 11184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11184] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11184] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11194] <... ioctl resumed>) = 0 [pid 11192] <... bpf resumed>) = 9 [pid 11192] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11181] <... futex resumed>) = 0 [pid 11192] <... futex resumed>) = 1 [pid 11192] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11196 attached [pid 11195] memfd_create("syzkaller", 0 [pid 11194] close(3 [pid 11196] set_robust_list(0x7fb9262379a0, 24 [pid 11195] <... memfd_create resumed>) = 3 [pid 11196] <... set_robust_list resumed>) = 0 [pid 11196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11194] <... close resumed>) = 0 [pid 11196] <... bpf resumed>) = 5 [pid 11196] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11184] <... futex resumed>) = 0 [pid 11196] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11195] <... mmap resumed>) = 0x7fb91de38000 [pid 11184] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11196] <... bpf resumed>) = 0 [pid 11184] <... futex resumed>) = 0 [pid 11196] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11196] <... futex resumed>) = 0 [pid 11184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11184] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11196] <... bpf resumed>) = 6 [pid 11195] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11184] <... futex resumed>) = 0 [pid 11194] close(4 [pid 11196] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11196] <... futex resumed>) = 0 [pid 11184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11184] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11196] <... bpf resumed>) = 7 [pid 11184] <... futex resumed>) = 0 [pid 11196] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11196] <... futex resumed>) = 0 [pid 11195] <... write resumed>) = 131072 [pid 11184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11184] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11196] <... bpf resumed>) = 8 [pid 11195] munmap(0x7fb91de38000, 138412032 [pid 11184] <... futex resumed>) = 0 [pid 11196] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11196] <... futex resumed>) = 0 [pid 11184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11184] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11196] <... bpf resumed>) = 9 [pid 11184] <... futex resumed>) = 0 [pid 11196] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11196] <... futex resumed>) = 0 [pid 11184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11196] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11194] <... close resumed>) = 0 [pid 11191] <... ioctl resumed>) = 0 [pid 11194] mkdir("./file0", 0777 [pid 11191] close(3 [pid 11194] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11191] <... close resumed>) = 0 [pid 11194] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11191] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11195] <... munmap resumed>) = 0 [pid 11191] <... futex resumed>) = 1 [pid 11189] <... futex resumed>) = 0 [pid 11191] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11195] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11189] <... futex resumed>) = 0 [pid 11191] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11191] <... socket resumed>) = 3 [pid 11191] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11195] <... openat resumed>) = 4 [pid 11191] <... futex resumed>) = 1 [pid 11189] <... futex resumed>) = 0 [pid 11195] ioctl(4, LOOP_SET_FD, 3 [pid 11191] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11189] <... futex resumed>) = 0 [pid 11191] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11191] <... socket resumed>) = 4 [pid 11191] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11189] <... futex resumed>) = 0 [pid 11191] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11189] <... futex resumed>) = 0 [pid 11191] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11194] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11191] <... sendto resumed>) = 32 [pid 11194] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11191] recvfrom(4, [pid 11194] <... openat resumed>) = 3 [pid 11191] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11189}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11194] ioctl(3, LOOP_CLR_FD [pid 11191] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11189] <... futex resumed>) = 0 [pid 11191] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11189] <... futex resumed>) = 0 [pid 11191] getsockname(4, [pid 11189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11191] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11189, nl_groups=00000000}, [116 => 12]) = 0 [pid 11191] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11189] <... futex resumed>) = 0 [pid 11191] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11189] <... futex resumed>) = 0 [pid 11191] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb5\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11195] <... ioctl resumed>) = 0 [pid 11195] close(3) = 0 [pid 11195] close(4) = 0 [pid 11195] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 157.869845][T11191] exfat: Bad value for 'uid' [ 157.880298][T11194] loop2: detected capacity change from 0 to 256 [ 157.898649][T11194] exfat: Bad value for 'uid' [ 157.905281][T11195] loop3: detected capacity change from 0 to 256 [ 157.915771][T11195] exfat: Bad value for 'uid' [pid 11195] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11194] <... ioctl resumed>) = 0 [pid 11183] <... sendmsg resumed>) = 64 [pid 11183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11183] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11195] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11194] close(3 [pid 11181] exit_group(0 [pid 11194] <... close resumed>) = 0 [pid 11192] <... futex resumed>) = ? [pid 11183] <... futex resumed>) = ? [pid 11181] <... exit_group resumed>) = ? [pid 11192] +++ exited with 0 +++ [pid 11183] +++ exited with 0 +++ [pid 11195] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11190] <... futex resumed>) = 0 [pid 11190] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11190] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11195] <... openat resumed>) = 3 [pid 11194] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11195] ioctl(3, LOOP_CLR_FD [pid 11194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... futex resumed>) = 0 [pid 11194] <... futex resumed>) = 1 [pid 11190] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11194] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11190] <... futex resumed>) = 0 [pid 11190] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11194] <... socket resumed>) = 4 [pid 11194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11190] <... futex resumed>) = 0 [pid 11194] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11190] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11190] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11194] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11194] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11190}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11190] <... futex resumed>) = 0 [pid 11190] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11194] getsockname(4, [pid 11190] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11194] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11190, nl_groups=00000000}, [116 => 12]) = 0 [pid 11194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11194] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11190] <... futex resumed>) = 0 [pid 11190] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11194] <... futex resumed>) = 0 [pid 11190] <... futex resumed>) = 1 [pid 11194] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb6\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11190] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11181] +++ exited with 0 +++ [pid 11187] <... sendmsg resumed>) = 64 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11181, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11195] <... ioctl resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11199 [pid 11187] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11187] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11195] close(3) = 0 [pid 11195] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11184] exit_group(0 [pid 11196] <... futex resumed>) = ? [pid 11195] <... futex resumed>) = 1 [pid 11193] <... futex resumed>) = 0 [pid 11189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11187] <... futex resumed>) = ? [pid 11184] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 11199 attached [pid 11196] +++ exited with 0 +++ [pid 11195] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11193] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11189] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11187] +++ exited with 0 +++ [pid 11184] +++ exited with 0 +++ [pid 11195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11193] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11184, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11195] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11193] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11195] <... socket resumed>) = 3 [pid 11189] <... futex resumed>) = 0 [pid 11195] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11193] <... futex resumed>) = 0 [pid 11195] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11193] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11193] <... futex resumed>) = 0 [pid 11189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11199] set_robust_list(0x5555555916a0, 24 [pid 11195] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11193] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11189] <... mmap resumed>) = 0x7fb926217000 [pid 11199] <... set_robust_list resumed>) = 0 [pid 11195] <... socket resumed>) = 4 [pid 11189] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11195] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11189] <... mprotect resumed>) = 0 [pid 11199] <... prctl resumed>) = 0 [pid 11195] <... futex resumed>) = 1 [pid 11193] <... futex resumed>) = 0 [pid 11189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11199] setpgid(0, 0 [pid 11195] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11193] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11189] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11199] <... setpgid resumed>) = 0 [pid 11193] <... futex resumed>) = 0 [pid 11189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 297] <... openat resumed>) = 3 ./strace-static-x86_64: Process 11200 attached [pid 11199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11195] <... sendto resumed>) = 32 [pid 11193] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] ioctl(3, LOOP_CLR_FD [pid 11195] recvfrom(4, [pid 11189] <... clone3 resumed> => {parent_tid=[11200]}, 88) = 11200 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11199] <... openat resumed>) = 3 [pid 11195] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11193}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11189] rt_sigprocmask(SIG_SETMASK, [], [pid 297] close(3 [pid 11200] set_robust_list(0x7fb9262379a0, 24 [pid 11199] write(3, "1000", 4 [pid 11189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11200] <... set_robust_list resumed>) = 0 [pid 11199] <... write resumed>) = 4 [pid 11195] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 11195] <... futex resumed>) = 1 [pid 11193] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11195] getsockname(4, [pid 11193] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11195] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11193, nl_groups=00000000}, [116 => 12]) = 0 [pid 11193] <... futex resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11201 [pid 11195] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11193] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11195] <... futex resumed>) = 0 [pid 11193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11195] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11193] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11193] <... futex resumed>) = 0 [pid 11195] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb9\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11193] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11199] close(3) = 0 [pid 11199] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11199] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11199] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11199] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11189] <... futex resumed>) = 0 [pid 11199] <... clone3 resumed> => {parent_tid=[11203]}, 88) = 11203 [pid 11189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11199] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11203 attached ./strace-static-x86_64: Process 11201 attached [pid 11200] rt_sigprocmask(SIG_SETMASK, [], [pid 11201] set_robust_list(0x5555555916a0, 24) = 0 [pid 11201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11203] set_robust_list(0x7fb9262589a0, 24 [pid 11201] <... prctl resumed>) = 0 [pid 11200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11199] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11199] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11201] setpgid(0, 0) = 0 [pid 11201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11201] write(3, "1000", 4 [pid 11203] <... set_robust_list resumed>) = 0 [pid 11200] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11203] rt_sigprocmask(SIG_SETMASK, [], [pid 11201] <... write resumed>) = 4 [pid 11203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11201] close(3 [pid 11203] memfd_create("syzkaller", 0 [pid 11201] <... close resumed>) = 0 [pid 11203] <... memfd_create resumed>) = 3 [pid 11201] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11201] <... futex resumed>) = 0 [pid 11203] <... mmap resumed>) = 0x7fb91de38000 [pid 11201] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11200] <... bpf resumed>) = 5 [pid 11201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11200] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11200] <... futex resumed>) = 1 [pid 11190] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11189] <... futex resumed>) = 0 [pid 11201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11200] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11190] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11189] <... futex resumed>) = 0 [pid 11201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11200] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11190] <... futex resumed>) = 0 [pid 11189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11203] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11200] <... bpf resumed>) = 0 [pid 11190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11201] <... mmap resumed>) = 0x7fb926238000 [pid 11200] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... mmap resumed>) = 0x7fb926217000 [pid 11201] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11200] <... futex resumed>) = 1 [pid 11190] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11189] <... futex resumed>) = 0 [pid 11203] <... write resumed>) = 131072 [pid 11201] <... mprotect resumed>) = 0 [pid 11200] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11190] <... mprotect resumed>) = 0 [pid 11189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11189] <... futex resumed>) = 0 [pid 11200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11203] munmap(0x7fb91de38000, 138412032 [pid 11201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11203] <... munmap resumed>) = 0 [pid 11200] <... bpf resumed>) = 6 [pid 11201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11203] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11200] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... clone3 resumed> => {parent_tid=[11204]}, 88) = 11204 [pid 11200] <... futex resumed>) = 1 [pid 11190] rt_sigprocmask(SIG_SETMASK, [], [pid 11189] <... futex resumed>) = 0 [pid 11203] <... openat resumed>) = 4 [pid 11200] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11203] ioctl(4, LOOP_SET_FD, 3 [pid 11201] <... clone3 resumed> => {parent_tid=[11205]}, 88) = 11205 [pid 11200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11190] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11189] <... futex resumed>) = 0 [pid 11201] rt_sigprocmask(SIG_SETMASK, [], [pid 11200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11190] <... futex resumed>) = 0 [pid 11189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11190] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11201] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11201] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11200] <... bpf resumed>) = 7 [pid 11200] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11189] <... futex resumed>) = 0 [pid 11189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11200] <... futex resumed>) = 1 [pid 11200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46./strace-static-x86_64: Process 11205 attached ./strace-static-x86_64: Process 11204 attached [pid 11203] <... ioctl resumed>) = 0 [pid 11205] set_robust_list(0x7fb9262589a0, 24 [pid 11204] set_robust_list(0x7fb9262379a0, 24 [pid 11203] close(3 [pid 11200] <... bpf resumed>) = 8 [pid 11203] <... close resumed>) = 0 [pid 11203] close(4 [pid 11205] <... set_robust_list resumed>) = 0 [pid 11204] <... set_robust_list resumed>) = 0 [pid 11203] <... close resumed>) = 0 [pid 11200] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11203] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11203] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11205] rt_sigprocmask(SIG_SETMASK, [], [pid 11204] rt_sigprocmask(SIG_SETMASK, [], [pid 11200] <... futex resumed>) = 1 [pid 11189] <... futex resumed>) = 0 [pid 11189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... futex resumed>) = 0 [pid 11190] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11190] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11204] <... futex resumed>) = 1 [pid 11205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11204] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11205] memfd_create("syzkaller", 0 [pid 11204] <... bpf resumed>) = 0 [pid 11204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11191] <... sendmsg resumed>) = 64 [pid 11205] <... memfd_create resumed>) = 3 [pid 11204] <... futex resumed>) = 1 [pid 11191] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] <... futex resumed>) = 0 [pid 11205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11204] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11191] <... futex resumed>) = 0 [pid 11190] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] <... mmap resumed>) = 0x7fb91de38000 [pid 11204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11200] <... bpf resumed>) = 9 [pid 11191] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11190] <... futex resumed>) = 0 [pid 11204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11203] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11200] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11205] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11203] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11204] <... bpf resumed>) = 6 [pid 11203] <... openat resumed>) = 3 [pid 11200] <... futex resumed>) = 1 [pid 11189] <... futex resumed>) = 0 [pid 11203] ioctl(3, LOOP_CLR_FD [pid 11204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11200] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11189] exit_group(0 [pid 11205] <... write resumed>) = 131072 [pid 11204] <... futex resumed>) = 1 [pid 11190] <... futex resumed>) = 0 [pid 11205] munmap(0x7fb91de38000, 138412032 [pid 11204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11190] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11204] <... bpf resumed>) = 7 [pid 11200] <... futex resumed>) = ? [pid 11191] <... futex resumed>) = ? [pid 11190] <... futex resumed>) = 0 [pid 11189] <... exit_group resumed>) = ? [pid 11205] <... munmap resumed>) = 0 [pid 11204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11191] +++ exited with 0 +++ [pid 11190] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11204] <... futex resumed>) = 0 [pid 11190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11190] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11190] <... futex resumed>) = 0 [pid 11205] <... openat resumed>) = 4 [pid 11190] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11205] ioctl(4, LOOP_SET_FD, 3 [pid 11204] <... bpf resumed>) = 8 [pid 11204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11190] <... futex resumed>) = 0 [pid 11204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11190] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 157.958118][ T295] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 157.992090][T11203] loop0: detected capacity change from 0 to 256 [ 158.002505][T11203] exfat: Bad value for 'uid' [pid 11190] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11205] <... ioctl resumed>) = 0 [pid 11205] close(3) = 0 [pid 11205] close(4) = 0 [pid 11205] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11205] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11200] +++ exited with 0 +++ [pid 11189] +++ exited with 0 +++ [pid 11205] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11205] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11205] <... openat resumed>) = 3 [pid 11205] ioctl(3, LOOP_CLR_FD [pid 11204] <... bpf resumed>) = 9 [pid 11204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11190] <... futex resumed>) = 0 [pid 11204] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11193] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 11193] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11193] <... mmap resumed>) = 0x7fb926217000 [pid 300] close(3 [pid 11193] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 300] <... close resumed>) = 0 [pid 11193] <... mprotect resumed>) = 0 [pid 11193] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11206]}, 88) = 11206 [pid 11193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11193] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11193] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11207 attached ./strace-static-x86_64: Process 11206 attached , child_tidptr=0x555555591690) = 11207 [pid 11206] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11206] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11207] set_robust_list(0x5555555916a0, 24 [pid 11206] <... bpf resumed>) = 5 [pid 11206] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11193] <... futex resumed>) = 0 [pid 11206] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11193] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11206] <... bpf resumed>) = 0 [pid 11193] <... futex resumed>) = 0 [pid 11206] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11193] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11206] <... futex resumed>) = 0 [pid 11193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11193] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] <... set_robust_list resumed>) = 0 [pid 11193] <... futex resumed>) = 0 [pid 11207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11206] <... bpf resumed>) = 6 [pid 11203] <... ioctl resumed>) = 0 [pid 11193] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11203] close(3) = 0 [pid 11203] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11199] <... futex resumed>) = 0 [pid 11203] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11199] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11199] <... futex resumed>) = 0 [pid 11203] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11199] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11207] <... prctl resumed>) = 0 [pid 11206] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11203] <... socket resumed>) = 3 [pid 11206] <... futex resumed>) = 1 [pid 11203] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11193] <... futex resumed>) = 0 [pid 11206] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11203] <... futex resumed>) = 1 [pid 11199] <... futex resumed>) = 0 [pid 11193] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] setpgid(0, 0 [pid 11203] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11199] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11193] <... futex resumed>) = 0 [pid 11206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11199] <... futex resumed>) = 0 [pid 11193] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11207] <... setpgid resumed>) = 0 [pid 11206] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11203] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11199] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11203] <... socket resumed>) = 4 [pid 11206] <... bpf resumed>) = 7 [pid 11203] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11206] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11203] <... futex resumed>) = 1 [pid 11199] <... futex resumed>) = 0 [pid 11203] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11199] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11206] <... futex resumed>) = 1 [pid 11193] <... futex resumed>) = 0 [pid 11207] <... openat resumed>) = 3 [pid 11206] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11199] <... futex resumed>) = 0 [pid 11193] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] write(3, "1000", 4 [pid 11206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11203] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11199] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11193] <... futex resumed>) = 0 [pid 11207] <... write resumed>) = 4 [pid 11206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11203] <... sendto resumed>) = 32 [pid 11193] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11203] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11199}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11203] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11199] <... futex resumed>) = 0 [pid 11203] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11199] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11199] <... futex resumed>) = 0 [pid 11203] getsockname(4, [pid 11199] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11207] close(3 [pid 11206] <... bpf resumed>) = 8 [pid 11203] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11199, nl_groups=00000000}, [116 => 12]) = 0 [pid 11203] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] <... close resumed>) = 0 [pid 11206] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11203] <... futex resumed>) = 1 [pid 11199] <... futex resumed>) = 0 [pid 11203] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11199] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11206] <... futex resumed>) = 1 [pid 11203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11199] <... futex resumed>) = 0 [pid 11193] <... futex resumed>) = 0 [pid 11207] <... futex resumed>) = 0 [pid 11206] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11203] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xbf\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11199] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11193] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11206] <... bpf resumed>) = 9 [pid 11193] <... futex resumed>) = 0 [pid 11207] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11206] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11193] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 11207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11207] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11206] <... futex resumed>) = 0 [pid 11207] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11206] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11209 attached => {parent_tid=[11209]}, 88) = 11209 [pid 11209] set_robust_list(0x7fb9262589a0, 24 [pid 11207] rt_sigprocmask(SIG_SETMASK, [], [pid 11209] <... set_robust_list resumed>) = 0 [pid 11207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11209] rt_sigprocmask(SIG_SETMASK, [], [pid 11207] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11207] <... futex resumed>) = 0 [pid 11209] memfd_create("syzkaller", 0 [pid 11207] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11209] <... memfd_create resumed>) = 3 [pid 11209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11209] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11209] munmap(0x7fb91de38000, 138412032) = 0 [pid 11209] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 158.015278][T11205] loop1: detected capacity change from 0 to 256 [ 158.023264][T11205] exfat: Bad value for 'uid' [pid 11209] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11209] close(3) = 0 [pid 11209] close(4) = 0 [pid 11209] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11209] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11209] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11209] ioctl(3, LOOP_CLR_FD) = 0 [pid 11205] <... ioctl resumed>) = 0 [pid 11194] <... sendmsg resumed>) = 64 [pid 11209] close(3 [pid 11205] close(3 [pid 11194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11190] exit_group(0 [pid 11205] <... close resumed>) = 0 [pid 11190] <... exit_group resumed>) = ? [pid 11205] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11204] <... futex resumed>) = ? [pid 11194] <... futex resumed>) = ? [pid 11205] <... futex resumed>) = 1 [pid 11204] +++ exited with 0 +++ [pid 11201] <... futex resumed>) = 0 [pid 11205] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11201] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11201] <... futex resumed>) = 0 [pid 11205] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11201] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11205] <... socket resumed>) = 3 [pid 11209] <... close resumed>) = 0 [pid 11205] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11201] <... futex resumed>) = 0 [pid 11205] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11201] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11209] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11201] <... futex resumed>) = 0 [pid 11209] <... futex resumed>) = 1 [pid 11207] <... futex resumed>) = 0 [pid 11205] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11201] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11209] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11207] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] <... socket resumed>) = 4 [pid 11209] <... socket resumed>) = 3 [pid 11207] <... futex resumed>) = 0 [pid 11205] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11209] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11205] <... futex resumed>) = 1 [pid 11201] <... futex resumed>) = 0 [pid 11209] <... futex resumed>) = 0 [pid 11207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11205] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11201] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11209] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11207] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11201] <... futex resumed>) = 0 [pid 11209] <... socket resumed>) = 4 [pid 11207] <... futex resumed>) = 0 [pid 11205] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11201] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11209] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11205] <... sendto resumed>) = 32 [pid 11209] <... futex resumed>) = 0 [pid 11207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11205] recvfrom(4, [pid 11209] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11207] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11201}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11207] <... futex resumed>) = 0 [pid 11205] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11209] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11207] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11205] <... futex resumed>) = 1 [pid 11201] <... futex resumed>) = 0 [pid 11199] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11209] <... sendto resumed>) = 32 [pid 11205] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11201] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11199] <... futex resumed>) = 0 [pid 11209] recvfrom(4, [pid 11205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11201] <... futex resumed>) = 0 [pid 11199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11209] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11207}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11205] getsockname(4, [pid 11201] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11209] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11201, nl_groups=00000000}, [116 => 12]) = 0 [pid 11199] <... mmap resumed>) = 0x7fb926217000 [pid 11209] <... futex resumed>) = 1 [pid 11207] <... futex resumed>) = 0 [pid 11205] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11209] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11207] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] <... futex resumed>) = 1 [pid 11201] <... futex resumed>) = 0 [pid 11199] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11207] <... futex resumed>) = 0 [pid 11205] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11201] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11209] getsockname(4, [pid 11207] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11201] <... futex resumed>) = 0 [pid 11199] <... mprotect resumed>) = 0 [pid 11209] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11207, nl_groups=00000000}, [116 => 12]) = 0 [pid 11205] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc1\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11201] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11209] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11209] <... futex resumed>) = 1 [pid 11207] <... futex resumed>) = 0 [pid 11209] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11207] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11207] <... futex resumed>) = 0 [pid 11209] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc7\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11207] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11211 attached [pid 11199] <... clone3 resumed> => {parent_tid=[11211]}, 88) = 11211 [pid 11199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11199] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11199] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11211] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11211] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11199] <... futex resumed>) = 0 [pid 11211] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11199] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11211] <... bpf resumed>) = 0 [pid 11199] <... futex resumed>) = 0 [pid 11211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11199] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11211] <... futex resumed>) = 0 [pid 11199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11199] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11199] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11211] <... bpf resumed>) = 6 [pid 11211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11199] <... futex resumed>) = 0 [pid 11199] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11199] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11211] <... futex resumed>) = 1 [pid 11211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11194] +++ exited with 0 +++ [pid 11190] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11190, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11211] <... futex resumed>) = 1 [pid 11199] <... futex resumed>) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [ 158.060257][T11209] loop4: detected capacity change from 0 to 256 [ 158.069317][T11209] exfat: Bad value for 'uid' [pid 11199] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] close(3 [pid 11199] <... futex resumed>) = 0 [pid 11211] <... bpf resumed>) = 8 [pid 11199] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... close resumed>) = 0 [pid 11211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11211] <... futex resumed>) = 1 [pid 11199] <... futex resumed>) = 0 [pid 11211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11199] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11213 [pid 11211] <... bpf resumed>) = 9 [pid 11199] <... futex resumed>) = 0 [pid 11211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11199] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11211] <... futex resumed>) = 0 [pid 11199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11211] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11213 attached [pid 11213] set_robust_list(0x5555555916a0, 24) = 0 [pid 11213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11213] setpgid(0, 0) = 0 [pid 11213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11213] write(3, "1000", 4) = 4 [pid 11213] close(3) = 0 [pid 11213] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11213] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11213] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11213] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11214 attached [pid 11214] set_robust_list(0x7fb9262589a0, 24 [pid 11213] <... clone3 resumed> => {parent_tid=[11214]}, 88) = 11214 [pid 11214] <... set_robust_list resumed>) = 0 [pid 11213] rt_sigprocmask(SIG_SETMASK, [], [pid 11214] rt_sigprocmask(SIG_SETMASK, [], [pid 11213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11213] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11214] memfd_create("syzkaller", 0 [pid 11213] <... futex resumed>) = 0 [pid 11214] <... memfd_create resumed>) = 3 [pid 11213] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11214] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11214] munmap(0x7fb91de38000, 138412032) = 0 [pid 11214] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11214] ioctl(4, LOOP_SET_FD, 3 [pid 11195] <... sendmsg resumed>) = 64 [pid 11214] <... ioctl resumed>) = 0 [pid 11195] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11193] exit_group(0 [pid 11214] close(3 [pid 11206] <... futex resumed>) = ? [pid 11195] <... futex resumed>) = ? [pid 11193] <... exit_group resumed>) = ? [pid 11214] <... close resumed>) = 0 [pid 11206] +++ exited with 0 +++ [pid 11195] +++ exited with 0 +++ [pid 11214] close(4) = 0 [pid 11214] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11214] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11214] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11214] ioctl(3, LOOP_CLR_FD) = 0 [pid 11214] close(3) = 0 [pid 11214] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11213] <... futex resumed>) = 0 [pid 11214] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11213] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11214] <... socket resumed>) = 3 [pid 11213] <... futex resumed>) = 0 [pid 11214] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11213] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11214] <... futex resumed>) = 0 [pid 11213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11214] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11213] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11214] <... socket resumed>) = 4 [pid 11213] <... futex resumed>) = 0 [pid 11214] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11213] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11214] <... futex resumed>) = 0 [pid 11213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11214] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11213] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11214] <... sendto resumed>) = 32 [pid 11213] <... futex resumed>) = 0 [pid 11214] recvfrom(4, [pid 11213] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11214] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11213}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11214] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11213] <... futex resumed>) = 0 [pid 11214] getsockname(4, [pid 11213] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11214] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11213, nl_groups=00000000}, [116 => 12]) = 0 [pid 11213] <... futex resumed>) = 0 [pid 11214] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11213] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11214] <... futex resumed>) = 0 [pid 11213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11214] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xcd\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11213] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11213] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11201] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11207] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11201] <... mmap resumed>) = 0x7fb926217000 [pid 11207] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11201] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11207] <... futex resumed>) = 0 [pid 11207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11201] <... mprotect resumed>) = 0 [pid 11207] <... mmap resumed>) = 0x7fb926217000 [pid 11201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11207] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11207] <... mprotect resumed>) = 0 [pid 11201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11207] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11201] <... clone3 resumed> => {parent_tid=[11216]}, 88) = 11216 [pid 11207] <... clone3 resumed> => {parent_tid=[11217]}, 88) = 11217 [pid 11201] rt_sigprocmask(SIG_SETMASK, [], [pid 11207] rt_sigprocmask(SIG_SETMASK, [], [pid 11201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11201] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11201] <... futex resumed>) = 0 [pid 11207] <... futex resumed>) = 0 [pid 11201] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11207] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11216 attached [pid 11216] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11216] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11216] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11217 attached [pid 11217] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11217] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11201] <... futex resumed>) = 0 [pid 11217] <... bpf resumed>) = 5 [pid 11201] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11201] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11207] <... futex resumed>) = 0 [pid 11217] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11207] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11216] <... futex resumed>) = 0 [pid 11207] <... futex resumed>) = 0 [pid 11217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11216] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11207] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11217] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11216] <... bpf resumed>) = 0 [pid 11217] <... bpf resumed>) = 0 [pid 11216] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11201] <... futex resumed>) = 0 [pid 11216] <... futex resumed>) = 1 [pid 11201] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11201] <... futex resumed>) = 0 [pid 11201] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11207] <... futex resumed>) = 0 [pid 11207] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11207] <... futex resumed>) = 0 [pid 11207] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11216] <... bpf resumed>) = 6 [pid 11216] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11201] <... futex resumed>) = 0 [pid 11201] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11217] <... bpf resumed>) = 6 [pid 11201] <... futex resumed>) = 0 [pid 11217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11216] <... futex resumed>) = 1 [pid 11201] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11217] <... futex resumed>) = 1 [pid 11207] <... futex resumed>) = 0 [pid 11217] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11207] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11207] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11217] <... bpf resumed>) = 7 [pid 11216] <... bpf resumed>) = 7 [pid 11193] +++ exited with 0 +++ [pid 11217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11216] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11193, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11217] <... futex resumed>) = 1 [pid 11216] <... futex resumed>) = 1 [pid 11207] <... futex resumed>) = 0 [pid 11201] <... futex resumed>) = 0 [pid 11207] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11216] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11207] <... futex resumed>) = 0 [pid 11201] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11207] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11201] <... futex resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 11216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11201] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11218 ./strace-static-x86_64: Process 11218 attached [pid 11218] set_robust_list(0x5555555916a0, 24) = 0 [pid 11218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11218] setpgid(0, 0) = 0 [pid 11218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11218] write(3, "1000", 4) = 4 [pid 11218] close(3) = 0 [pid 11218] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11218] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11218] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11217] <... bpf resumed>) = 8 [pid 11218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11219]}, 88) = 11219 [pid 11218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11216] <... bpf resumed>) = 8 [pid 11216] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11219 attached [pid 11218] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11218] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11216] <... futex resumed>) = 1 [pid 11219] set_robust_list(0x7fb9262589a0, 24 [pid 11217] <... futex resumed>) = 1 [pid 11207] <... futex resumed>) = 0 [pid 11201] <... futex resumed>) = 0 [pid 11216] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11207] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11201] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] <... futex resumed>) = 0 [pid 11201] <... futex resumed>) = 0 [pid 11217] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11207] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11201] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11217] <... bpf resumed>) = 9 [pid 11216] <... bpf resumed>) = 9 [pid 11219] <... set_robust_list resumed>) = 0 [pid 11217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11216] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11207] <... futex resumed>) = 0 [pid 11217] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11219] rt_sigprocmask(SIG_SETMASK, [], [pid 11216] <... futex resumed>) = 1 [pid 11201] <... futex resumed>) = 0 [pid 11219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11216] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11219] memfd_create("syzkaller", 0) = 3 [pid 11219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 158.131338][T11214] loop2: detected capacity change from 0 to 256 [ 158.139659][T11214] exfat: Bad value for 'uid' [pid 11219] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11219] munmap(0x7fb91de38000, 138412032) = 0 [pid 11219] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11219] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11213] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11219] close(3 [pid 11213] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11219] <... close resumed>) = 0 [pid 11213] <... futex resumed>) = 0 [pid 11219] close(4 [pid 11213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11219] <... close resumed>) = 0 [pid 11219] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11219] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11213] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11213] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11219] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11219] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11219] ioctl(3, LOOP_CLR_FD [pid 11213] <... clone3 resumed> => {parent_tid=[11220]}, 88) = 11220 ./strace-static-x86_64: Process 11220 attached [pid 11220] set_robust_list(0x7fb9262379a0, 24 [pid 11213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11220] <... set_robust_list resumed>) = 0 [pid 11213] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11220] rt_sigprocmask(SIG_SETMASK, [], [pid 11213] <... futex resumed>) = 0 [pid 11220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11213] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11220] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11220] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11213] <... futex resumed>) = 0 [pid 11220] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11213] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11213] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11203] <... sendmsg resumed>) = 64 [pid 11220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11203] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11199] exit_group(0) = ? [pid 11211] <... futex resumed>) = ? [pid 11220] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11211] +++ exited with 0 +++ [pid 11203] <... futex resumed>) = ? [pid 11220] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11213] <... futex resumed>) = 0 [pid 11213] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11213] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11203] +++ exited with 0 +++ [pid 11199] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11199, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11220] <... futex resumed>) = 1 [pid 11220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11220] <... bpf resumed>) = 6 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11220] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11221 ./strace-static-x86_64: Process 11221 attached [pid 11221] set_robust_list(0x5555555916a0, 24) = 0 [pid 11221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11221] setpgid(0, 0) = 0 [pid 11221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11221] write(3, "1000", 4) = 4 [pid 11221] close(3) = 0 [pid 11221] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11221] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11220] <... futex resumed>) = 1 [pid 11213] <... futex resumed>) = 0 [pid 11213] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11220] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11213] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11221] <... mmap resumed>) = 0x7fb926238000 [pid 11220] <... bpf resumed>) = 7 [pid 11221] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11220] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11213] <... futex resumed>) = 0 [pid 11213] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11213] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11222]}, 88) = 11222 [pid 11221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11222 attached [pid 11222] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11220] <... bpf resumed>) = 8 [pid 11220] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11213] <... futex resumed>) = 0 [pid 11213] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11213] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11220] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11222] memfd_create("syzkaller", 0) = 3 [pid 11222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11220] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11213] <... futex resumed>) = 0 [pid 11220] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11219] <... ioctl resumed>) = 0 [pid 11209] <... sendmsg resumed>) = 64 [pid 11205] <... sendmsg resumed>) = 64 [pid 11219] close(3 [pid 11209] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11205] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11201] exit_group(0 [pid 11219] <... close resumed>) = 0 [pid 11216] <... futex resumed>) = ? [pid 11209] <... futex resumed>) = 0 [pid 11207] exit_group(0 [pid 11205] <... futex resumed>) = ? [pid 11201] <... exit_group resumed>) = ? [pid 11219] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11217] <... futex resumed>) = ? [pid 11216] +++ exited with 0 +++ [pid 11207] <... exit_group resumed>) = ? [pid 11205] +++ exited with 0 +++ [pid 11201] +++ exited with 0 +++ [pid 11219] <... futex resumed>) = 1 [pid 11218] <... futex resumed>) = 0 [pid 11217] +++ exited with 0 +++ [pid 11219] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11218] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11201, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11219] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11218] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11219] <... socket resumed>) = 3 [pid 297] <... restart_syscall resumed>) = 0 [pid 11219] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11218] <... futex resumed>) = 0 [pid 11219] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11218] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 11219] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11218] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] ioctl(3, LOOP_CLR_FD [pid 11219] <... socket resumed>) = 4 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11219] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 11219] <... futex resumed>) = 1 [pid 11218] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 11219] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11218] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] <... futex resumed>) = 0 [pid 11219] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11218] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11223 [pid 11219] <... sendto resumed>) = 32 [pid 11219] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11218}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11219] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11218] <... futex resumed>) = 0 [pid 11219] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11218] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] <... futex resumed>) = 0 [pid 11219] getsockname(4, [pid 11218] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11219] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11218, nl_groups=00000000}, [116 => 12]) = 0 [pid 11219] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11218] <... futex resumed>) = 0 [pid 11219] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11218] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] <... mmap resumed>) = 0x7fb91de38000 [pid 11219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] <... futex resumed>) = 0 [pid 11219] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd2\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11218] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11223 attached [pid 11223] set_robust_list(0x5555555916a0, 24) = 0 [pid 11223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11222] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11223] setpgid(0, 0) = 0 [pid 11223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11222] <... write resumed>) = 131072 [pid 11222] munmap(0x7fb91de38000, 138412032) = 0 [pid 11222] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11223] <... openat resumed>) = 3 [pid 11222] <... openat resumed>) = 4 [ 158.196764][T11219] loop3: detected capacity change from 0 to 256 [ 158.205985][T11219] exfat: Bad value for 'uid' [pid 11223] write(3, "1000", 4) = 4 [pid 11223] close(3) = 0 [pid 11223] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] ioctl(4, LOOP_SET_FD, 3 [pid 11223] <... futex resumed>) = 0 [pid 11223] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11223] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11223] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11225]}, 88) = 11225 [pid 11223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11223] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11223] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11225 attached [pid 11225] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11225] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11225] memfd_create("syzkaller", 0) = 3 [pid 11225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11225] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11222] <... ioctl resumed>) = 0 [pid 11225] <... write resumed>) = 131072 [pid 11225] munmap(0x7fb91de38000, 138412032) = 0 [pid 11222] close(3 [pid 11225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11222] <... close resumed>) = 0 [pid 11225] <... openat resumed>) = 4 [pid 11222] close(4 [pid 11225] ioctl(4, LOOP_SET_FD, 3 [pid 11222] <... close resumed>) = 0 [pid 11225] <... ioctl resumed>) = 0 [pid 11225] close(3) = 0 [pid 11225] close(4) = 0 [pid 11225] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11225] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11222] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11222] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11209] +++ exited with 0 +++ [pid 11207] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11207, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11226 attached [pid 11225] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11222] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11225] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11225] ioctl(3, LOOP_CLR_FD [pid 11222] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11226 [pid 11222] <... openat resumed>) = 3 [pid 11226] set_robust_list(0x5555555916a0, 24) = 0 [pid 11222] ioctl(3, LOOP_CLR_FD [pid 11226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11226] setpgid(0, 0) = 0 [pid 11226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11226] write(3, "1000", 4) = 4 [pid 11226] close(3) = 0 [pid 11226] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11226] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11226] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11227]}, 88) = 11227 [pid 11226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11227 attached [pid 11227] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11227] memfd_create("syzkaller", 0) = 3 [pid 11227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11227] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11227] munmap(0x7fb91de38000, 138412032) = 0 [pid 11227] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11227] ioctl(4, LOOP_SET_FD, 3 [pid 11214] <... sendmsg resumed>) = 64 [pid 11214] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11214] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11213] exit_group(0 [pid 11220] <... futex resumed>) = ? [pid 11214] <... futex resumed>) = ? [pid 11213] <... exit_group resumed>) = ? [pid 11227] <... ioctl resumed>) = 0 [pid 11220] +++ exited with 0 +++ [pid 11218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11214] +++ exited with 0 +++ [pid 11227] close(3 [pid 11218] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11213] +++ exited with 0 +++ [pid 11227] <... close resumed>) = 0 [pid 11218] <... futex resumed>) = 0 [pid 11218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11213, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11218] <... mmap resumed>) = 0x7fb926217000 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11218] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11228 attached [pid 11227] close(4 [pid 11218] <... clone3 resumed> => {parent_tid=[11228]}, 88) = 11228 [pid 11218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11218] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 11218] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11228] set_robust_list(0x7fb9262379a0, 24 [pid 11227] <... close resumed>) = 0 [pid 11228] <... set_robust_list resumed>) = 0 [pid 11227] mkdir("./file0", 0777 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11228] rt_sigprocmask(SIG_SETMASK, [], [pid 11227] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11228] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 158.258376][T11222] loop0: detected capacity change from 0 to 256 [ 158.265701][T11225] loop1: detected capacity change from 0 to 256 [ 158.273154][T11225] exfat: Bad value for 'uid' [ 158.277393][T11222] exfat: Bad value for 'uid' [ 158.297649][T11227] loop4: detected capacity change from 0 to 256 [pid 11227] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 298] <... openat resumed>) = 3 [pid 11228] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 11228] <... bpf resumed>) = 5 [pid 11227] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... close resumed>) = 0 [pid 11228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11227] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11228] <... futex resumed>) = 1 [pid 11227] <... openat resumed>) = 3 [pid 11218] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11228] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11227] ioctl(3, LOOP_CLR_FD [pid 11218] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11229 attached [pid 11228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] <... futex resumed>) = 0 [pid 11229] set_robust_list(0x5555555916a0, 24 [pid 11228] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11225] <... ioctl resumed>) = 0 [pid 11218] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11225] close(3 [pid 11222] <... ioctl resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11229 [pid 11229] <... set_robust_list resumed>) = 0 [pid 11229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11229] setpgid(0, 0) = 0 [pid 11229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11229] write(3, "1000", 4 [pid 11222] close(3 [pid 11225] <... close resumed>) = 0 [pid 11222] <... close resumed>) = 0 [pid 11225] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] <... futex resumed>) = 1 [pid 11223] <... futex resumed>) = 0 [pid 11222] <... futex resumed>) = 1 [pid 11221] <... futex resumed>) = 0 [pid 11225] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11223] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11223] <... futex resumed>) = 0 [pid 11222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11221] <... futex resumed>) = 0 [pid 11225] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11229] <... write resumed>) = 4 [pid 11229] close(3) = 0 [pid 11223] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11229] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] <... socket resumed>) = 3 [pid 11222] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11229] <... futex resumed>) = 0 [pid 11225] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11229] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11222] <... socket resumed>) = 3 [pid 11225] <... futex resumed>) = 1 [pid 11223] <... futex resumed>) = 0 [pid 11225] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11223] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11223] <... futex resumed>) = 0 [pid 11222] <... futex resumed>) = 1 [pid 11221] <... futex resumed>) = 0 [pid 11225] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11223] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] <... socket resumed>) = 4 [pid 11222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11221] <... futex resumed>) = 0 [pid 11225] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11225] <... futex resumed>) = 1 [pid 11223] <... futex resumed>) = 0 [pid 11225] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11223] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] <... socket resumed>) = 4 [pid 11225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11223] <... futex resumed>) = 0 [pid 11222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11223] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11228] <... bpf resumed>) = 0 [pid 11222] <... futex resumed>) = 1 [pid 11221] <... futex resumed>) = 0 [pid 11228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] <... sendto resumed>) = 32 [pid 11222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11225] recvfrom(4, [pid 11222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11218] <... futex resumed>) = 0 [pid 11228] <... futex resumed>) = 1 [pid 11225] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11223}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11222] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11221] <... futex resumed>) = 0 [pid 11218] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11225] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] <... sendto resumed>) = 32 [pid 11221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11218] <... futex resumed>) = 0 [pid 11225] <... futex resumed>) = 1 [pid 11223] <... futex resumed>) = 0 [pid 11222] recvfrom(4, [pid 11218] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11225] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11223] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11221}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11223] <... futex resumed>) = 0 [pid 11222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] getsockname(4, [pid 11223] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11225] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11223, nl_groups=00000000}, [116 => 12]) = 0 [pid 11222] <... futex resumed>) = 1 [pid 11221] <... futex resumed>) = 0 [pid 11225] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] <... futex resumed>) = 1 [pid 11223] <... futex resumed>) = 0 [pid 11222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11221] <... futex resumed>) = 0 [pid 11225] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11223] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] getsockname(4, [pid 11221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11223] <... futex resumed>) = 0 [pid 11222] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11221, nl_groups=00000000}, [116 => 12]) = 0 [pid 11225] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd7\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11223] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11228] <... bpf resumed>) = 6 [pid 11222] <... futex resumed>) = 1 [pid 11221] <... futex resumed>) = 0 [pid 11228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11228] <... futex resumed>) = 1 [pid 11221] <... futex resumed>) = 0 [pid 11218] <... futex resumed>) = 0 [pid 11222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11228] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11222] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd5\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11218] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] <... futex resumed>) = 0 [pid 11229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11218] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11229] <... mmap resumed>) = 0x7fb926238000 [pid 11228] <... bpf resumed>) = 7 [pid 11228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11228] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11228] <... futex resumed>) = 0 [pid 11218] <... futex resumed>) = 1 [pid 11229] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11218] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11229] <... mprotect resumed>) = 0 [pid 11228] <... bpf resumed>) = 8 [pid 11229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11218] <... futex resumed>) = 0 [pid 11228] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11218] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11218] <... futex resumed>) = 0 [pid 11229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11218] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11228] <... bpf resumed>) = 9 [pid 11228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11218] <... futex resumed>) = 0 [pid 11228] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11229] <... clone3 resumed> => {parent_tid=[11232]}, 88) = 11232 ./strace-static-x86_64: Process 11232 attached [pid 11229] rt_sigprocmask(SIG_SETMASK, [], [pid 11232] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11232] rt_sigprocmask(SIG_SETMASK, [], [pid 11229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11232] memfd_create("syzkaller", 0) = 3 [pid 11232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11232] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11229] <... futex resumed>) = 0 [pid 11229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11232] <... write resumed>) = 131072 [pid 11232] munmap(0x7fb91de38000, 138412032) = 0 [pid 11232] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 158.309211][T11227] exfat: Bad value for 'uid' [pid 11232] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11232] close(3) = 0 [pid 11232] close(4) = 0 [pid 11232] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11232] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11232] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11232] ioctl(3, LOOP_CLR_FD [pid 11227] <... ioctl resumed>) = 0 [pid 11227] close(3) = 0 [pid 11227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11226] <... futex resumed>) = 0 [pid 11227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11226] <... futex resumed>) = 0 [pid 11227] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11227] <... socket resumed>) = 3 [pid 11227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11226] <... futex resumed>) = 0 [pid 11227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11226] <... futex resumed>) = 0 [pid 11227] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11227] <... socket resumed>) = 4 [pid 11227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11226] <... futex resumed>) = 0 [pid 11227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11226] <... futex resumed>) = 0 [pid 11227] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11227] <... sendto resumed>) = 32 [pid 11227] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11226}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11226] <... futex resumed>) = 0 [pid 11227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11223] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11226] <... futex resumed>) = 0 [pid 11227] getsockname(4, [pid 11226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11223] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11227] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11226, nl_groups=00000000}, [116 => 12]) = 0 [pid 11223] <... futex resumed>) = 0 [pid 11227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11227] <... futex resumed>) = 1 [pid 11226] <... futex resumed>) = 0 [pid 11223] <... mmap resumed>) = 0x7fb926217000 [pid 11227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11223] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11226] <... futex resumed>) = 0 [pid 11223] <... mprotect resumed>) = 0 [pid 11227] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xda\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11223] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11234]}, 88) = 11234 ./strace-static-x86_64: Process 11234 attached [pid 11223] rt_sigprocmask(SIG_SETMASK, [], [pid 11221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11234] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11234] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11221] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11223] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11221] <... futex resumed>) = 0 [pid 11223] <... futex resumed>) = 1 [pid 11221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11223] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11221] <... mmap resumed>) = 0x7fb926217000 [pid 11234] <... futex resumed>) = 0 [pid 11221] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11234] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11221] <... mprotect resumed>) = 0 [pid 11234] <... bpf resumed>) = 5 [pid 11221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11234] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11223] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11235 attached [pid 11234] <... futex resumed>) = 1 [pid 11223] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11235] set_robust_list(0x7fb9262379a0, 24 [pid 11234] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11223] <... futex resumed>) = 0 [pid 11221] <... clone3 resumed> => {parent_tid=[11235]}, 88) = 11235 [pid 11235] <... set_robust_list resumed>) = 0 [pid 11234] <... bpf resumed>) = 0 [pid 11223] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11221] rt_sigprocmask(SIG_SETMASK, [], [pid 11235] rt_sigprocmask(SIG_SETMASK, [], [pid 11234] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11234] <... futex resumed>) = 0 [pid 11223] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11235] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11223] <... futex resumed>) = 0 [pid 11221] <... futex resumed>) = 0 [pid 11223] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11234] <... bpf resumed>) = 6 [pid 11235] <... bpf resumed>) = 5 [pid 11234] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11223] <... futex resumed>) = 0 [pid 11223] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11234] <... futex resumed>) = 1 [pid 11235] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11223] <... futex resumed>) = 0 [pid 11234] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11223] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11221] <... futex resumed>) = 0 [pid 11221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11234] <... bpf resumed>) = 7 [pid 11221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11235] <... futex resumed>) = 1 [pid 11235] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11234] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11223] <... futex resumed>) = 0 [pid 11235] <... bpf resumed>) = 0 [pid 11234] <... futex resumed>) = 1 [pid 11223] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11235] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11223] <... futex resumed>) = 0 [pid 11223] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11235] <... futex resumed>) = 1 [pid 11221] <... futex resumed>) = 0 [pid 11235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11234] <... bpf resumed>) = 8 [pid 11235] <... bpf resumed>) = 6 [pid 11234] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11235] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11234] <... futex resumed>) = 1 [pid 11223] <... futex resumed>) = 0 [pid 11235] <... futex resumed>) = 1 [pid 11234] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11223] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11221] <... futex resumed>) = 0 [pid 11235] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11223] <... futex resumed>) = 0 [pid 11221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11235] <... bpf resumed>) = 7 [pid 11234] <... bpf resumed>) = 9 [pid 11223] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11221] <... futex resumed>) = 0 [pid 11235] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11234] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11223] <... futex resumed>) = 0 [pid 11221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11235] <... futex resumed>) = 0 [pid 11234] <... futex resumed>) = 1 [pid 11221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11234] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11235] <... bpf resumed>) = 8 [pid 11235] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11221] <... futex resumed>) = 0 [pid 11235] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11235] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11235] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11235] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 11232] <... ioctl resumed>) = 0 [pid 11221] <... futex resumed>) = 1 [pid 11235] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11232] close(3 [pid 11221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11232] <... close resumed>) = 0 [pid 11221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 158.349058][T11232] loop2: detected capacity change from 0 to 256 [ 158.356605][T11232] exfat: Bad value for 'uid' [pid 11232] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11229] <... futex resumed>) = 0 [pid 11232] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11229] <... futex resumed>) = 0 [pid 11232] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11232] <... socket resumed>) = 3 [pid 11232] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11229] <... futex resumed>) = 0 [pid 11232] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11232] <... socket resumed>) = 4 [pid 11229] <... futex resumed>) = 0 [pid 11232] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11232] <... futex resumed>) = 0 [pid 11229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11232] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11229] <... futex resumed>) = 0 [pid 11232] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11232] <... sendto resumed>) = 32 [pid 11232] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11229}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11232] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11229] <... futex resumed>) = 0 [pid 11232] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11229] <... futex resumed>) = 0 [pid 11232] getsockname(4, [pid 11219] <... sendmsg resumed>) = 64 [pid 11229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11232] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11229, nl_groups=00000000}, [116 => 12]) = 0 [pid 11219] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11232] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11219] <... futex resumed>) = 0 [pid 11232] <... futex resumed>) = 1 [pid 11229] <... futex resumed>) = 0 [pid 11219] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11232] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdd\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11229] <... futex resumed>) = 0 [pid 11229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11218] exit_group(0 [pid 11228] <... futex resumed>) = ? [pid 11218] <... exit_group resumed>) = ? [pid 11219] <... futex resumed>) = ? [pid 11228] +++ exited with 0 +++ [pid 11219] +++ exited with 0 +++ [pid 11218] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11218, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11237 [pid 11226] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11226] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11237 attached ) = 0 [pid 11237] set_robust_list(0x5555555916a0, 24 [pid 11226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11237] <... set_robust_list resumed>) = 0 [pid 11237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11226] <... mmap resumed>) = 0x7fb926217000 [pid 11226] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11237] <... prctl resumed>) = 0 [pid 11237] setpgid(0, 0) = 0 [pid 11226] <... mprotect resumed>) = 0 [pid 11237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11237] <... openat resumed>) = 3 [pid 11226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11237] write(3, "1000", 4) = 4 [pid 11226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11237] close(3) = 0 [pid 11237] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11226] <... clone3 resumed> => {parent_tid=[11238]}, 88) = 11238 [pid 11237] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11237] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11226] <... futex resumed>) = 0 [pid 11237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11237] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11237] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11239]}, 88) = 11239 [pid 11237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11237] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11237] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11238 attached [pid 11238] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11238] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11225] <... sendmsg resumed>) = 64 [pid 11225] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11223] exit_group(0 [pid 11225] ????( [pid 11234] <... futex resumed>) = ? [pid 11223] <... exit_group resumed>) = ? [pid 11238] <... futex resumed>) = 1 [pid 11234] +++ exited with 0 +++ [pid 11226] <... futex resumed>) = 0 [pid 11226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11239 attached [pid 11239] set_robust_list(0x7fb9262589a0, 24 [pid 11225] <... ???? resumed>) = ? [pid 11238] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11239] <... set_robust_list resumed>) = 0 [pid 11239] rt_sigprocmask(SIG_SETMASK, [], [pid 11238] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11238] <... futex resumed>) = 1 [pid 11239] memfd_create("syzkaller", 0 [pid 11238] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11239] <... memfd_create resumed>) = 3 [pid 11226] <... futex resumed>) = 0 [pid 11226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11238] <... futex resumed>) = 0 [pid 11238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11238] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11226] <... futex resumed>) = 0 [pid 11226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11238] <... futex resumed>) = 1 [pid 11238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11239] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11239] munmap(0x7fb91de38000, 138412032) = 0 [pid 11239] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11239] ioctl(4, LOOP_SET_FD, 3 [pid 11222] <... sendmsg resumed>) = 64 [pid 11239] <... ioctl resumed>) = 0 [pid 11222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11239] close(3) = 0 [pid 11239] close(4) = 0 [pid 11239] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11239] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11221] exit_group(0 [pid 11235] <... futex resumed>) = ? [pid 11221] <... exit_group resumed>) = ? [pid 11235] +++ exited with 0 +++ [pid 11222] <... futex resumed>) = ? [pid 11239] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11239] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11239] ioctl(3, LOOP_CLR_FD [pid 11229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11229] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11229] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11240 attached => {parent_tid=[11240]}, 88) = 11240 [pid 11229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11240] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11240] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11240] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11229] <... futex resumed>) = 0 [pid 11240] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11240] <... bpf resumed>) = 0 [pid 11229] <... futex resumed>) = 0 [pid 11240] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11240] <... futex resumed>) = 0 [pid 11229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11240] <... bpf resumed>) = 6 [pid 11240] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11229] <... futex resumed>) = 0 [pid 11229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11240] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11229] <... futex resumed>) = 0 [pid 11229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11225] +++ exited with 0 +++ [pid 11238] <... bpf resumed>) = 7 [pid 11223] +++ exited with 0 +++ [pid 11238] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11223, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11238] <... futex resumed>) = 1 [pid 11226] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11238] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 11238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11226] <... futex resumed>) = 0 [pid 11238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 11238] <... bpf resumed>) = 8 [pid 297] <... close resumed>) = 0 [pid 11238] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11226] <... futex resumed>) = 0 [pid 11238] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11226] <... futex resumed>) = 0 [pid 11238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11241 ./strace-static-x86_64: Process 11241 attached [pid 11241] set_robust_list(0x5555555916a0, 24) = 0 [pid 11241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11241] setpgid(0, 0) = 0 [pid 11241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11241] write(3, "1000", 4) = 4 [pid 11241] close(3) = 0 [pid 11241] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11241] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11241] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11242 attached => {parent_tid=[11242]}, 88) = 11242 [pid 11241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11241] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11241] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11242] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11242] memfd_create("syzkaller", 0) = 3 [pid 11242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11242] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11242] munmap(0x7fb91de38000, 138412032) = 0 [pid 11242] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11242] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11242] close(3) = 0 [pid 11242] close(4) = 0 [pid 11242] mkdir("./file0", 0777 [pid 11227] <... sendmsg resumed>) = 64 [pid 11227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11242] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11242] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11240] <... bpf resumed>) = 7 [pid 11240] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11238] <... bpf resumed>) = 9 [pid 11222] +++ exited with 0 +++ [pid 11221] +++ exited with 0 +++ [pid 11242] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11240] <... futex resumed>) = 1 [pid 11238] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11229] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11242] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11240] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11238] <... futex resumed>) = 1 [pid 11238] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11226] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11229] <... futex resumed>) = 0 [pid 11226] exit_group(0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 294] close(3 [pid 11242] <... openat resumed>) = 3 [pid 11240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11238] <... futex resumed>) = ? [pid 11229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11227] <... futex resumed>) = ? [pid 11226] <... exit_group resumed>) = ? [pid 294] <... close resumed>) = 0 [pid 11242] ioctl(3, LOOP_CLR_FD [pid 11240] <... bpf resumed>) = 8 [pid 11238] +++ exited with 0 +++ [pid 11227] +++ exited with 0 +++ [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11240] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11243 attached ) = 1 [pid 11229] <... futex resumed>) = 0 [pid 11240] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11243 [pid 11243] set_robust_list(0x5555555916a0, 24 [pid 11229] <... futex resumed>) = 0 [pid 11229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11243] <... set_robust_list resumed>) = 0 [pid 11243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11243] setpgid(0, 0) = 0 [pid 11243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11243] write(3, "1000", 4) = 4 [pid 11243] close(3) = 0 [pid 11243] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11243] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11243] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11243] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11244 attached => {parent_tid=[11244]}, 88) = 11244 [pid 11243] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11244] set_robust_list(0x7fb9262589a0, 24 [pid 11243] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] <... set_robust_list resumed>) = 0 [pid 11243] <... futex resumed>) = 0 [pid 11244] rt_sigprocmask(SIG_SETMASK, [], [pid 11243] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11244] memfd_create("syzkaller", 0) = 3 [pid 11244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 158.454349][T11239] loop3: detected capacity change from 0 to 256 [ 158.463150][T11239] exfat: Bad value for 'uid' [ 158.488921][T11242] loop1: detected capacity change from 0 to 256 [ 158.498405][T11242] exfat: Bad value for 'uid' [pid 11244] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11244] munmap(0x7fb91de38000, 138412032) = 0 [pid 11244] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11244] ioctl(4, LOOP_SET_FD, 3 [pid 11239] <... ioctl resumed>) = 0 [pid 11239] close(3 [pid 11244] <... ioctl resumed>) = 0 [pid 11239] <... close resumed>) = 0 [pid 11239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11237] <... futex resumed>) = 0 [pid 11239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11237] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11237] <... futex resumed>) = 0 [pid 11239] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11237] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11239] <... socket resumed>) = 3 [pid 11239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11237] <... futex resumed>) = 0 [pid 11239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11237] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11237] <... futex resumed>) = 0 [pid 11239] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11237] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11239] <... socket resumed>) = 4 [pid 11239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11237] <... futex resumed>) = 0 [pid 11239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11237] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] close(3 [pid 11242] <... ioctl resumed>) = 0 [pid 11240] <... bpf resumed>) = 9 [pid 11239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11237] <... futex resumed>) = 0 [pid 11226] +++ exited with 0 +++ [pid 11242] close(3 [pid 11240] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11239] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11237] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11244] <... close resumed>) = 0 [pid 11242] <... close resumed>) = 0 [pid 11240] <... futex resumed>) = 1 [pid 11239] <... sendto resumed>) = 32 [pid 11229] <... futex resumed>) = 0 [pid 11244] close(4 [pid 11242] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11240] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11239] recvfrom(4, [pid 11244] <... close resumed>) = 0 [pid 11242] <... futex resumed>) = 1 [pid 11241] <... futex resumed>) = 0 [pid 11239] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11237}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11244] mkdir("./file0", 0777 [pid 11242] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11241] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 11244] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11241] <... futex resumed>) = 0 [pid 11239] <... futex resumed>) = 1 [pid 11237] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11244] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11242] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11241] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11237] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11242] <... socket resumed>) = 3 [pid 11239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11237] <... futex resumed>) = 0 [pid 11239] getsockname(4, [pid 11237] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11239] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11237, nl_groups=00000000}, [116 => 12]) = 0 [pid 11239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11237] <... futex resumed>) = 0 [pid 11239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11237] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11237] <... futex resumed>) = 0 [pid 11239] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe5\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11237] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] close(3 [pid 11244] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11242] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... close resumed>) = 0 [pid 11244] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11242] <... futex resumed>) = 1 [pid 11241] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11244] <... openat resumed>) = 3 [pid 11242] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11241] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] ioctl(3, LOOP_CLR_FD [pid 11242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11241] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11246 [pid 11242] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11241] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11246 attached [pid 11242] <... socket resumed>) = 4 [pid 11242] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11246] set_robust_list(0x5555555916a0, 24 [pid 11242] <... futex resumed>) = 1 [pid 11241] <... futex resumed>) = 0 [pid 11246] <... set_robust_list resumed>) = 0 [pid 11242] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11241] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11241] <... futex resumed>) = 0 [pid 11246] <... prctl resumed>) = 0 [pid 11242] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11241] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11246] setpgid(0, 0) = 0 [pid 11246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11246] write(3, "1000", 4) = 4 [pid 11246] close(3) = 0 [pid 11246] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11246] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11246] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11246] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11247 attached [pid 11247] set_robust_list(0x7fb9262589a0, 24 [pid 11246] <... clone3 resumed> => {parent_tid=[11247]}, 88) = 11247 [pid 11247] <... set_robust_list resumed>) = 0 [pid 11246] rt_sigprocmask(SIG_SETMASK, [], [pid 11247] rt_sigprocmask(SIG_SETMASK, [], [pid 11246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11246] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11246] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11247] memfd_create("syzkaller", 0) = 3 [pid 11247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11247] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11247] munmap(0x7fb91de38000, 138412032) = 0 [pid 11247] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11247] ioctl(4, LOOP_SET_FD, 3 [pid 11232] <... sendmsg resumed>) = 64 [pid 11247] <... ioctl resumed>) = 0 [pid 11247] close(3) = 0 [pid 11247] close(4) = 0 [pid 11247] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11247] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11232] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11229] exit_group(0 [pid 11240] <... futex resumed>) = ? [pid 11229] <... exit_group resumed>) = ? [pid 11240] +++ exited with 0 +++ [pid 11232] <... futex resumed>) = ? [pid 11247] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11247] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11247] ioctl(3, LOOP_CLR_FD [pid 11242] <... sendto resumed>) = 32 [pid 11232] +++ exited with 0 +++ [pid 11229] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11229, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11242] recvfrom(4, [pid 298] <... restart_syscall resumed>) = 0 [pid 11242] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11241}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11242] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11241] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11242] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11241] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... openat resumed>) = 3 [pid 11242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11241] <... futex resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11242] getsockname(4, [pid 11241] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11242] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11241, nl_groups=00000000}, [116 => 12]) = 0 [pid 298] close(3 [pid 11242] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 11242] <... futex resumed>) = 1 [pid 11241] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11242] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11241] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11241] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11248 [pid 11242] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe9\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11241] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11248 attached [pid 11248] set_robust_list(0x5555555916a0, 24) = 0 [pid 11248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11248] setpgid(0, 0) = 0 [pid 11248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11248] write(3, "1000", 4) = 4 [pid 11248] close(3) = 0 [pid 11248] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11248] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11248] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11250]}, 88) = 11250 [pid 11248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11248] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11248] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11250 attached [pid 11250] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11244] <... ioctl resumed>) = 0 [pid 11244] close(3) = 0 [pid 11244] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11243] <... futex resumed>) = 0 [pid 11244] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11243] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] <... socket resumed>) = 3 [pid 11243] <... futex resumed>) = 0 [pid 11244] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11243] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11244] <... futex resumed>) = 0 [pid 11243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11244] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11243] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] <... socket resumed>) = 4 [pid 11243] <... futex resumed>) = 0 [pid 11244] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11243] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11244] <... futex resumed>) = 0 [pid 11243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11244] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11243] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11243] <... futex resumed>) = 0 [pid 11243] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11244] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11250] memfd_create("syzkaller", 0) = 3 [pid 11250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11250] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11244] <... sendto resumed>) = 32 [pid 11244] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11243}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11244] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11243] <... futex resumed>) = 0 [pid 11244] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11243] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11243] <... futex resumed>) = 0 [pid 11244] getsockname(4, [pid 11243] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11244] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11243, nl_groups=00000000}, [116 => 12]) = 0 [pid 11244] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11243] <... futex resumed>) = 0 [pid 11244] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11243] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11243] <... futex resumed>) = 0 [pid 11244] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xeb\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11243] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11250] <... write resumed>) = 131072 [pid 11250] munmap(0x7fb91de38000, 138412032) = 0 [pid 11250] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 158.518627][T11244] loop0: detected capacity change from 0 to 256 [ 158.533228][T11244] exfat: Bad value for 'uid' [ 158.550874][T11247] loop4: detected capacity change from 0 to 256 [ 158.559501][T11247] exfat: Bad value for 'uid' [pid 11250] ioctl(4, LOOP_SET_FD, 3 [pid 11237] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11237] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11237] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11237] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11252]}, 88) = 11252 [pid 11237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11237] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11237] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11252 attached [pid 11252] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11252] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11252] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11250] <... ioctl resumed>) = 0 [pid 11252] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11250] close(3 [pid 11237] <... futex resumed>) = 0 [pid 11237] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11237] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11250] <... close resumed>) = 0 [pid 11252] <... futex resumed>) = 1 [pid 11250] close(4 [pid 11252] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11250] <... close resumed>) = 0 [pid 11252] <... bpf resumed>) = 0 [pid 11252] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11250] mkdir("./file0", 0777 [pid 11252] <... futex resumed>) = 1 [pid 11237] <... futex resumed>) = 0 [pid 11237] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11237] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11250] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11250] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11252] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11237] <... futex resumed>) = 0 [pid 11237] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11237] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11252] <... futex resumed>) = 1 [pid 11252] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11250] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11250] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11250] ioctl(3, LOOP_CLR_FD [pid 11252] <... bpf resumed>) = 7 [pid 11252] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11252] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11237] <... futex resumed>) = 0 [pid 11237] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11237] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11252] <... futex resumed>) = 0 [pid 11252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11247] <... ioctl resumed>) = 0 [pid 11247] close(3) = 0 [pid 11247] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11246] <... futex resumed>) = 0 [pid 11247] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11246] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11246] <... futex resumed>) = 0 [pid 11247] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11246] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11247] <... socket resumed>) = 3 [pid 11247] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11246] <... futex resumed>) = 0 [pid 11247] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11246] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11247] <... socket resumed>) = 4 [pid 11246] <... futex resumed>) = 0 [pid 11246] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11247] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11247] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11246] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11250] <... ioctl resumed>) = 0 [pid 11247] <... sendto resumed>) = 32 [pid 11246] <... futex resumed>) = 0 [pid 11241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11247] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11246}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11247] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11247] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11252] <... bpf resumed>) = 8 [pid 11252] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11237] <... futex resumed>) = 0 [pid 11237] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11237] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11252] <... futex resumed>) = 1 [pid 11252] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11246] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11241] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11241] <... futex resumed>) = 0 [pid 11246] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11247] <... futex resumed>) = 0 [pid 11246] <... futex resumed>) = 1 [pid 11247] getsockname(4, [pid 11246] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11241] <... mmap resumed>) = 0x7fb926217000 [pid 11247] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11246, nl_groups=00000000}, [116 => 12]) = 0 [pid 11241] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11247] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11247] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11246] <... futex resumed>) = 0 [pid 11241] <... mprotect resumed>) = 0 [pid 11246] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11247] <... futex resumed>) = 0 [pid 11246] <... futex resumed>) = 1 [pid 11241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11247] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xee\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11246] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11255]}, 88) = 11255 [pid 11241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11252] <... bpf resumed>) = 9 [pid 11241] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11252] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11237] <... futex resumed>) = 0 [pid 11252] <... futex resumed>) = 1 [pid 11241] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11252] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11255 attached [pid 11250] close(3 [pid 11255] set_robust_list(0x7fb9262379a0, 24 [pid 11250] <... close resumed>) = 0 [pid 11255] <... set_robust_list resumed>) = 0 [pid 11255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11250] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11250] <... futex resumed>) = 1 [pid 11248] <... futex resumed>) = 0 [pid 11250] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11248] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] <... bpf resumed>) = 5 [pid 11255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11248] <... futex resumed>) = 1 [pid 11241] <... futex resumed>) = 0 [pid 11255] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11250] <... futex resumed>) = 0 [pid 11248] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11241] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11250] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11243] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11241] <... futex resumed>) = 0 [pid 11255] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11243] <... futex resumed>) = 0 [pid 11241] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11255] <... bpf resumed>) = 0 [pid 11250] <... socket resumed>) = 3 [pid 11243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11250] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11243] <... mmap resumed>) = 0x7fb926217000 [pid 11255] <... futex resumed>) = 1 [pid 11243] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11241] <... futex resumed>) = 0 [pid 11255] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11250] <... futex resumed>) = 1 [pid 11248] <... futex resumed>) = 0 [pid 11243] <... mprotect resumed>) = 0 [pid 11241] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11250] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11248] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11241] <... futex resumed>) = 0 [pid 11250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11248] <... futex resumed>) = 0 [pid 11250] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11248] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11250] <... socket resumed>) = 4 [pid 11250] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11248] <... futex resumed>) = 0 [pid 11250] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11248] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11248] <... futex resumed>) = 0 [pid 11250] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11248] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11241] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11250] <... sendto resumed>) = 32 [pid 11243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11255] <... bpf resumed>) = 6 [pid 11250] recvfrom(4, ./strace-static-x86_64: Process 11256 attached [pid 11255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11250] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11248}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11243] <... clone3 resumed> => {parent_tid=[11256]}, 88) = 11256 [pid 11256] set_robust_list(0x7fb9262379a0, 24 [pid 11255] <... futex resumed>) = 1 [pid 11250] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11243] rt_sigprocmask(SIG_SETMASK, [], [pid 11241] <... futex resumed>) = 0 [pid 11256] <... set_robust_list resumed>) = 0 [pid 11255] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11250] <... futex resumed>) = 1 [pid 11248] <... futex resumed>) = 0 [pid 11241] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11250] getsockname(4, [pid 11256] rt_sigprocmask(SIG_SETMASK, [], [pid 11248] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11241] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11250] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11248, nl_groups=00000000}, [116 => 12]) = 0 [pid 11248] <... futex resumed>) = 0 [pid 11243] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11250] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] <... bpf resumed>) = 7 [pid 11248] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11243] <... futex resumed>) = 0 [pid 11256] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11250] <... futex resumed>) = 0 [pid 11248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11243] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11256] <... bpf resumed>) = 5 [pid 11255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11250] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf0\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11248] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11256] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] <... futex resumed>) = 0 [pid 11256] <... futex resumed>) = 1 [pid 11248] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11243] <... futex resumed>) = 0 [pid 11241] <... futex resumed>) = 0 [pid 11255] <... futex resumed>) = 1 [pid 11256] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11243] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11243] <... futex resumed>) = 0 [pid 11256] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11243] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11256] <... bpf resumed>) = 0 [pid 11256] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11243] <... futex resumed>) = 0 [pid 11256] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11243] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11243] <... futex resumed>) = 0 [pid 11256] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11243] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11256] <... bpf resumed>) = 6 [pid 11241] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11256] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11241] <... futex resumed>) = 0 [pid 11255] <... bpf resumed>) = 8 [pid 11241] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11255] <... futex resumed>) = 0 [pid 11241] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11241] <... futex resumed>) = 0 [pid 11256] <... futex resumed>) = 1 [pid 11255] <... bpf resumed>) = 9 [pid 11243] <... futex resumed>) = 0 [pid 11241] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11239] <... sendmsg resumed>) = 64 [pid 11256] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11243] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11242] <... sendmsg resumed>) = 64 [pid 11239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11256] <... bpf resumed>) = 7 [pid 11255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11243] <... futex resumed>) = 0 [pid 11242] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11239] <... futex resumed>) = 0 [pid 11256] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11243] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11242] <... futex resumed>) = 0 [pid 11239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11256] <... futex resumed>) = 0 [pid 11255] <... futex resumed>) = 1 [pid 11243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11242] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11241] <... futex resumed>) = 0 [pid 11256] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11243] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11243] <... futex resumed>) = 0 [pid 11241] exit_group(0 [pid 11237] exit_group(0 [pid 11256] <... bpf resumed>) = 8 [pid 11255] <... futex resumed>) = ? [pid 11243] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11242] <... futex resumed>) = ? [pid 11241] <... exit_group resumed>) = ? [pid 11237] <... exit_group resumed>) = ? [pid 11256] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11252] <... futex resumed>) = ? [pid 11242] +++ exited with 0 +++ [pid 11239] <... futex resumed>) = ? [pid 11256] <... futex resumed>) = 1 [pid 11252] +++ exited with 0 +++ [pid 11243] <... futex resumed>) = 0 [pid 11256] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11243] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11255] +++ exited with 0 +++ [pid 11243] <... futex resumed>) = 0 [pid 11241] +++ exited with 0 +++ [pid 11243] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11258 ./strace-static-x86_64: Process 11258 attached [pid 11258] set_robust_list(0x5555555916a0, 24) = 0 [pid 11258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11258] setpgid(0, 0) = 0 [pid 11258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11258] write(3, "1000", 4) = 4 [pid 11258] close(3) = 0 [ 158.587375][T11250] loop2: detected capacity change from 0 to 256 [ 158.609159][T11250] exfat: Bad value for 'uid' [pid 11258] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11258] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11258] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11258] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11259 attached => {parent_tid=[11259]}, 88) = 11259 [pid 11258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11259] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11259] memfd_create("syzkaller", 0) = 3 [pid 11259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11259] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11259] munmap(0x7fb91de38000, 138412032) = 0 [pid 11259] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11259] ioctl(4, LOOP_SET_FD, 3 [pid 11246] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11259] <... ioctl resumed>) = 0 [pid 11246] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11259] close(3 [pid 11246] <... futex resumed>) = 0 [pid 11259] <... close resumed>) = 0 [pid 11246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11259] close(4 [pid 11246] <... mmap resumed>) = 0x7fb926217000 [pid 11259] <... close resumed>) = 0 [pid 11246] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11259] mkdir("./file0", 0777 [pid 11246] <... mprotect resumed>) = 0 [pid 11259] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11259] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11260 attached [pid 11259] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11260] set_robust_list(0x7fb9262379a0, 24 [pid 11259] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11246] <... clone3 resumed> => {parent_tid=[11260]}, 88) = 11260 [pid 11260] <... set_robust_list resumed>) = 0 [pid 11259] <... openat resumed>) = 3 [pid 11246] rt_sigprocmask(SIG_SETMASK, [], [pid 11239] +++ exited with 0 +++ [pid 11237] +++ exited with 0 +++ [pid 11260] rt_sigprocmask(SIG_SETMASK, [], [pid 11259] ioctl(3, LOOP_CLR_FD [pid 11246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11237, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11246] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11246] <... futex resumed>) = 0 [pid 11260] <... bpf resumed>) = 5 [pid 11246] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11256] <... bpf resumed>) = 9 [pid 11246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11260] <... futex resumed>) = 0 [pid 11246] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11260] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11246] <... futex resumed>) = 0 [pid 11260] <... bpf resumed>) = 0 [pid 11246] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11260] <... futex resumed>) = 0 [pid 11246] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11256] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11246] <... futex resumed>) = 0 [pid 11260] <... bpf resumed>) = 6 [pid 11256] <... futex resumed>) = 1 [pid 11246] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11243] <... futex resumed>) = 0 [pid 11260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11256] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11260] <... futex resumed>) = 0 [pid 11246] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11246] <... futex resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 11260] <... bpf resumed>) = 7 [pid 11246] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] ioctl(3, LOOP_CLR_FD [pid 11260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11260] <... futex resumed>) = 0 [pid 11246] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 299] close(3 [pid 11246] <... futex resumed>) = 0 [pid 11260] <... bpf resumed>) = 8 [pid 11246] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... close resumed>) = 0 [pid 11260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11260] <... futex resumed>) = 0 [pid 11246] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11246] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11261 [pid 11260] <... bpf resumed>) = 9 [pid 11246] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11260] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11261 attached [pid 11260] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] set_robust_list(0x5555555916a0, 24 [pid 11259] <... ioctl resumed>) = 0 [pid 11244] <... sendmsg resumed>) = 64 [pid 11259] close(3 [pid 11248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11259] <... close resumed>) = 0 [pid 11259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11258] <... futex resumed>) = 0 [pid 11259] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11258] <... futex resumed>) = 0 [pid 11259] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11259] <... socket resumed>) = 3 [pid 11248] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11244] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] <... futex resumed>) = 0 [pid 11244] <... futex resumed>) = 0 [pid 11259] <... futex resumed>) = 1 [pid 11258] <... futex resumed>) = 0 [pid 11248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11244] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11259] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] <... mmap resumed>) = 0x7fb926217000 [pid 11259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11258] <... futex resumed>) = 0 [pid 11248] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11259] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11248] <... mprotect resumed>) = 0 [pid 11259] <... socket resumed>) = 4 [pid 11243] exit_group(0 [pid 11259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11256] <... futex resumed>) = ? [pid 11243] <... exit_group resumed>) = ? [pid 11259] <... futex resumed>) = 1 [pid 11258] <... futex resumed>) = 0 [pid 11256] +++ exited with 0 +++ [pid 11248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11244] <... futex resumed>) = ? [pid 11259] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11258] <... futex resumed>) = 0 [pid 11259] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11262 attached [pid 11261] <... set_robust_list resumed>) = 0 [pid 11259] <... sendto resumed>) = 32 [pid 11262] set_robust_list(0x7fb9262379a0, 24 [pid 11261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11259] recvfrom(4, [pid 11248] <... clone3 resumed> => {parent_tid=[11262]}, 88) = 11262 [pid 11262] <... set_robust_list resumed>) = 0 [pid 11261] <... prctl resumed>) = 0 [pid 11259] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11258}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11248] rt_sigprocmask(SIG_SETMASK, [], [pid 11262] rt_sigprocmask(SIG_SETMASK, [], [pid 11261] setpgid(0, 0 [pid 11259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11261] <... setpgid resumed>) = 0 [pid 11259] <... futex resumed>) = 1 [pid 11258] <... futex resumed>) = 0 [pid 11248] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11259] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] <... futex resumed>) = 0 [pid 11262] <... bpf resumed>) = 5 [pid 11261] <... openat resumed>) = 3 [pid 11259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11258] <... futex resumed>) = 0 [pid 11248] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11262] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11261] write(3, "1000", 4 [pid 11259] getsockname(4, [pid 11258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11262] <... futex resumed>) = 1 [pid 11261] <... write resumed>) = 4 [pid 11259] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11258, nl_groups=00000000}, [116 => 12]) = 0 [pid 11248] <... futex resumed>) = 0 [pid 11262] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] close(3 [pid 11259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11259] <... futex resumed>) = 1 [pid 11258] <... futex resumed>) = 0 [pid 11248] <... futex resumed>) = 0 [pid 11262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... close resumed>) = 0 [pid 11259] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11248] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11258] <... futex resumed>) = 0 [pid 11261] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11259] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfa\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11262] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11261] <... futex resumed>) = 0 [pid 11262] <... bpf resumed>) = 0 [pid 11261] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11262] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11261] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11262] <... futex resumed>) = 1 [pid 11261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11248] <... futex resumed>) = 0 [pid 11262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11248] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11262] <... bpf resumed>) = 6 [pid 11261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11248] <... futex resumed>) = 0 [pid 11261] <... mmap resumed>) = 0x7fb926238000 [pid 11248] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11261] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11262] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11261] <... mprotect resumed>) = 0 [pid 11261] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11264]}, 88) = 11264 [pid 11261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11261] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11261] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11264 attached [pid 11264] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11264] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11264] memfd_create("syzkaller", 0) = 3 [pid 11264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11262] <... futex resumed>) = 1 [pid 11248] <... futex resumed>) = 0 [pid 11248] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11248] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11264] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11264] munmap(0x7fb91de38000, 138412032) = 0 [pid 11264] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 158.673998][T11259] loop1: detected capacity change from 0 to 256 [ 158.681589][T11259] exfat: Bad value for 'uid' [pid 11264] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11264] close(3) = 0 [pid 11264] close(4) = 0 [pid 11264] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11264] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11264] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11264] ioctl(3, LOOP_CLR_FD [pid 11262] <... bpf resumed>) = 7 [pid 11244] +++ exited with 0 +++ [pid 11243] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11243, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11262] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11262] <... futex resumed>) = 1 [pid 11248] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 11262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11248] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11248] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11262] <... bpf resumed>) = 8 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11265 [pid 11262] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11248] <... futex resumed>) = 0 [pid 11262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11248] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11248] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 11265 attached [pid 11265] set_robust_list(0x5555555916a0, 24) = 0 [pid 11265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11265] setpgid(0, 0) = 0 [pid 11265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11262] <... bpf resumed>) = 9 [pid 11262] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11248] <... futex resumed>) = 0 [pid 11265] <... openat resumed>) = 3 [pid 11262] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11265] write(3, "1000", 4) = 4 [pid 11265] close(3) = 0 [pid 11265] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11265] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11265] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11266 attached => {parent_tid=[11266]}, 88) = 11266 [pid 11266] set_robust_list(0x7fb9262589a0, 24 [pid 11265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11266] <... set_robust_list resumed>) = 0 [pid 11265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11266] memfd_create("syzkaller", 0 [pid 11265] <... futex resumed>) = 0 [pid 11266] <... memfd_create resumed>) = 3 [pid 11266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11266] <... mmap resumed>) = 0x7fb91de38000 [pid 11266] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11266] munmap(0x7fb91de38000, 138412032) = 0 [pid 11266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11266] ioctl(4, LOOP_SET_FD, 3 [pid 11247] <... sendmsg resumed>) = 64 [pid 11247] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11266] <... ioctl resumed>) = 0 [pid 11264] <... ioctl resumed>) = 0 [pid 11258] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11246] exit_group(0 [pid 11266] close(3 [pid 11264] close(3 [pid 11260] <... futex resumed>) = ? [pid 11258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11246] <... exit_group resumed>) = ? [pid 11266] <... close resumed>) = 0 [pid 11264] <... close resumed>) = 0 [pid 11260] +++ exited with 0 +++ [pid 11258] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11266] close(4 [pid 11264] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11258] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11266] <... close resumed>) = 0 [pid 11264] <... futex resumed>) = 1 [pid 11261] <... futex resumed>) = 0 [pid 11258] <... futex resumed>) = 0 [pid 11247] <... futex resumed>) = ? [pid 11266] mkdir("./file0", 0777 [pid 11264] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11266] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... futex resumed>) = 0 [pid 11258] <... mmap resumed>) = 0x7fb926217000 [pid 11266] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11264] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11261] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11258] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11264] <... socket resumed>) = 3 [pid 11258] <... mprotect resumed>) = 0 [pid 11264] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11258] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11264] <... futex resumed>) = 1 [pid 11261] <... futex resumed>) = 0 [pid 11258] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11264] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... futex resumed>) = 0 [pid 11264] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11261] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11258] <... clone3 resumed> => {parent_tid=[11267]}, 88) = 11267 [pid 11264] <... socket resumed>) = 4 [pid 11258] rt_sigprocmask(SIG_SETMASK, [], [pid 11264] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11264] <... futex resumed>) = 1 [pid 11261] <... futex resumed>) = 0 [pid 11258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11264] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11258] <... futex resumed>) = 0 [pid 11266] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... futex resumed>) = 0 [pid 11258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11264] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11261] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11267 attached [pid 11266] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11264] <... sendto resumed>) = 32 [pid 11264] recvfrom(4, [pid 11266] <... openat resumed>) = 3 [pid 11267] set_robust_list(0x7fb9262379a0, 24 [pid 11264] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11261}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11267] <... set_robust_list resumed>) = 0 [pid 11266] ioctl(3, LOOP_CLR_FD [pid 11264] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11261] <... futex resumed>) = 0 [pid 11267] rt_sigprocmask(SIG_SETMASK, [], [pid 11264] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... futex resumed>) = 0 [pid 11267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11264] getsockname(4, [pid 11261] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11264] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11261, nl_groups=00000000}, [116 => 12]) = 0 [pid 11267] <... bpf resumed>) = 5 [pid 11264] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11267] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11264] <... futex resumed>) = 1 [pid 11261] <... futex resumed>) = 0 [pid 11264] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11267] <... futex resumed>) = 1 [pid 11264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... futex resumed>) = 0 [pid 11258] <... futex resumed>) = 0 [pid 11264] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfd\x2b\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11261] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11267] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11258] <... futex resumed>) = 0 [pid 11267] <... bpf resumed>) = 0 [pid 11258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11267] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11250] <... sendmsg resumed>) = 64 [pid 11267] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11250] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11248] exit_group(0 [pid 11262] <... futex resumed>) = ? [pid 11248] <... exit_group resumed>) = ? [pid 11262] +++ exited with 0 +++ [pid 11258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11250] +++ exited with 0 +++ [pid 11267] <... futex resumed>) = 0 [pid 11258] <... futex resumed>) = 1 [pid 11267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11267] <... bpf resumed>) = 6 [pid 11267] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11258] <... futex resumed>) = 0 [pid 11267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11247] +++ exited with 0 +++ [pid 11246] +++ exited with 0 +++ [pid 11248] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... restart_syscall resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 300] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 298] ioctl(3, LOOP_CLR_FD [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11269 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11270 [ 158.721059][T11264] loop3: detected capacity change from 0 to 256 [ 158.729843][T11264] exfat: Bad value for 'uid' [ 158.752480][T11266] loop0: detected capacity change from 0 to 256 [ 158.762979][T11266] exfat: Bad value for 'uid' ./strace-static-x86_64: Process 11270 attached ./strace-static-x86_64: Process 11269 attached [pid 11270] set_robust_list(0x5555555916a0, 24 [pid 11269] set_robust_list(0x5555555916a0, 24 [pid 11270] <... set_robust_list resumed>) = 0 [pid 11269] <... set_robust_list resumed>) = 0 [pid 11270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11270] <... prctl resumed>) = 0 [pid 11269] <... prctl resumed>) = 0 [pid 11270] setpgid(0, 0 [pid 11269] setpgid(0, 0 [pid 11270] <... setpgid resumed>) = 0 [pid 11269] <... setpgid resumed>) = 0 [pid 11270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11270] <... openat resumed>) = 3 [pid 11269] <... openat resumed>) = 3 [pid 11270] write(3, "1000", 4 [pid 11269] write(3, "1000", 4 [pid 11270] <... write resumed>) = 4 [pid 11269] <... write resumed>) = 4 [pid 11270] close(3 [pid 11269] close(3 [pid 11270] <... close resumed>) = 0 [pid 11269] <... close resumed>) = 0 [pid 11270] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11266] <... ioctl resumed>) = 0 [pid 11270] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11269] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11266] close(3 [pid 11270] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11266] <... close resumed>) = 0 [pid 11270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11266] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11266] <... futex resumed>) = 1 [pid 11270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11266] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11270] <... mmap resumed>) = 0x7fb926238000 [pid 11269] <... mmap resumed>) = 0x7fb926238000 [pid 11270] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11269] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11269] <... mprotect resumed>) = 0 [pid 11270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11265] <... futex resumed>) = 0 [pid 11270] <... clone3 resumed> => {parent_tid=[11271]}, 88) = 11271 [pid 11265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] rt_sigprocmask(SIG_SETMASK, [], [pid 11269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11266] <... futex resumed>) = 0 [pid 11265] <... futex resumed>) = 1 [pid 11270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11266] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11270] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11266] <... socket resumed>) = 3 [pid 11270] <... futex resumed>) = 0 [pid 11269] <... clone3 resumed> => {parent_tid=[11272]}, 88) = 11272 [pid 11266] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11269] rt_sigprocmask(SIG_SETMASK, [], [pid 11266] <... futex resumed>) = 1 [pid 11265] <... futex resumed>) = 0 [pid 11269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11266] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11265] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11266] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11269] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11266] <... socket resumed>) = 4 [pid 11266] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11266] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11265] <... futex resumed>) = 0 [pid 11265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11266] <... futex resumed>) = 0 [pid 11266] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11266] <... sendto resumed>) = 32 [pid 11266] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11265}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11266] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11272 attached ./strace-static-x86_64: Process 11271 attached ) = 1 [pid 11265] <... futex resumed>) = 0 [pid 11266] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11265] <... futex resumed>) = 0 [pid 11266] getsockname(4, [pid 11265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11266] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11265, nl_groups=00000000}, [116 => 12]) = 0 [pid 11272] set_robust_list(0x7fb9262589a0, 24 [pid 11266] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] <... set_robust_list resumed>) = 0 [pid 11266] <... futex resumed>) = 1 [pid 11265] <... futex resumed>) = 0 [pid 11266] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11265] <... futex resumed>) = 0 [pid 11266] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x01\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11272] memfd_create("syzkaller", 0) = 3 [pid 11272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11272] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11272] munmap(0x7fb91de38000, 138412032 [pid 11267] <... bpf resumed>) = 7 [pid 11267] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11258] <... futex resumed>) = 0 [pid 11267] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11258] <... futex resumed>) = 0 [pid 11267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11267] <... bpf resumed>) = 8 [pid 11267] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11258] <... futex resumed>) = 0 [pid 11267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11267] <... bpf resumed>) = 9 [pid 11258] <... futex resumed>) = 0 [pid 11267] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11267] <... futex resumed>) = 0 [pid 11258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11267] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11272] <... munmap resumed>) = 0 [pid 11272] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11272] ioctl(4, LOOP_SET_FD, 3 [pid 11271] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11271] memfd_create("syzkaller", 0) = 3 [pid 11271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11261] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11261] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11261] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11261] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11274]}, 88) = 11274 [pid 11261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11261] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11261] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11274 attached [pid 11272] <... ioctl resumed>) = 0 [pid 11274] set_robust_list(0x7fb9262379a0, 24 [pid 11272] close(3 [pid 11271] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11274] <... set_robust_list resumed>) = 0 [pid 11272] <... close resumed>) = 0 [pid 11272] close(4 [pid 11274] rt_sigprocmask(SIG_SETMASK, [], [pid 11272] <... close resumed>) = 0 [pid 11271] <... write resumed>) = 131072 [pid 11274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11274] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11274] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] mkdir("./file0", 0777 [pid 11271] munmap(0x7fb91de38000, 138412032 [pid 11272] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11272] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11274] <... futex resumed>) = 1 [pid 11271] <... munmap resumed>) = 0 [pid 11261] <... futex resumed>) = 0 [pid 11274] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11271] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11261] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11271] <... openat resumed>) = 4 [pid 11261] <... futex resumed>) = 0 [pid 11274] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11271] ioctl(4, LOOP_SET_FD, 3 [pid 11261] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11274] <... bpf resumed>) = 0 [pid 11272] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11272] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11272] ioctl(3, LOOP_CLR_FD [pid 11274] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11261] <... futex resumed>) = 0 [pid 11274] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... futex resumed>) = 0 [pid 11274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11261] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11274] <... bpf resumed>) = 6 [pid 11274] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11261] <... futex resumed>) = 0 [pid 11274] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11261] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... futex resumed>) = 0 [pid 11274] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11261] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11274] <... bpf resumed>) = 7 [pid 11271] <... ioctl resumed>) = 0 [pid 11274] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11271] close(3 [pid 11261] <... futex resumed>) = 0 [pid 11261] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11261] <... futex resumed>) = 0 [pid 11271] <... close resumed>) = 0 [pid 11261] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11271] close(4 [pid 11274] <... bpf resumed>) = 8 [pid 11271] <... close resumed>) = 0 [pid 11274] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11271] mkdir("./file0", 0777 [pid 11274] <... futex resumed>) = 1 [pid 11271] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11261] <... futex resumed>) = 0 [pid 11274] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11271] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11261] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11261] <... futex resumed>) = 0 [pid 11274] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11271] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11261] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11271] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11274] <... bpf resumed>) = 9 [pid 11271] ioctl(3, LOOP_CLR_FD [pid 11274] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11261] <... futex resumed>) = 0 [pid 11274] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11265] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11265] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11275 attached [pid 11275] set_robust_list(0x7fb9262379a0, 24 [pid 11265] <... clone3 resumed> => {parent_tid=[11275]}, 88) = 11275 [pid 11265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11275] <... set_robust_list resumed>) = 0 [pid 11275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11275] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11275] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11265] <... futex resumed>) = 0 [pid 11275] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11275] <... bpf resumed>) = 0 [pid 11265] <... futex resumed>) = 0 [pid 11275] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11275] <... futex resumed>) = 0 [pid 11265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11275] <... bpf resumed>) = 6 [pid 11265] <... futex resumed>) = 0 [pid 11275] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11275] <... futex resumed>) = 0 [pid 11265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11275] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11275] <... bpf resumed>) = 7 [pid 11265] <... futex resumed>) = 0 [pid 11275] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11275] <... futex resumed>) = 0 [pid 11265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11275] <... bpf resumed>) = 8 [pid 11265] <... futex resumed>) = 0 [pid 11275] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11275] <... futex resumed>) = 0 [pid 11265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11275] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11275] <... bpf resumed>) = 9 [pid 11265] <... futex resumed>) = 0 [pid 11275] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11275] <... futex resumed>) = 0 [pid 11265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11275] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11272] <... ioctl resumed>) = 0 [pid 11271] <... ioctl resumed>) = 0 [pid 11259] <... sendmsg resumed>) = 64 [pid 11272] close(3 [pid 11271] close(3 [pid 11272] <... close resumed>) = 0 [pid 11271] <... close resumed>) = 0 [pid 11272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11271] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] <... futex resumed>) = 1 [pid 11271] <... futex resumed>) = 1 [pid 11272] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11271] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11258] exit_group(0 [pid 11270] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11267] <... futex resumed>) = ? [pid 11259] <... futex resumed>) = ? [pid 11258] <... exit_group resumed>) = ? [pid 11272] <... futex resumed>) = 0 [pid 11271] <... futex resumed>) = 0 [pid 11270] <... futex resumed>) = 1 [pid 11269] <... futex resumed>) = 1 [pid 11267] +++ exited with 0 +++ [pid 11259] +++ exited with 0 +++ [pid 11272] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11271] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11270] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11269] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11258] +++ exited with 0 +++ [pid 11272] <... socket resumed>) = 3 [pid 11271] <... socket resumed>) = 3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11271] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11272] <... futex resumed>) = 1 [pid 11271] <... futex resumed>) = 1 [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 11272] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11271] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11270] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11271] <... socket resumed>) = 4 [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11272] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11271] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11269] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11272] <... socket resumed>) = 4 [pid 11271] <... futex resumed>) = 0 [pid 11270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... openat resumed>) = 3 [pid 11272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11271] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11270] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11272] <... futex resumed>) = 1 [pid 11271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11272] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [ 158.821115][T11272] loop2: detected capacity change from 0 to 256 [ 158.833838][T11272] exfat: Bad value for 'uid' [ 158.839253][T11271] loop4: detected capacity change from 0 to 256 [ 158.850302][T11271] exfat: Bad value for 'uid' [pid 11271] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11270] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11269] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 11272] <... sendto resumed>) = 32 [pid 11271] <... sendto resumed>) = 32 [pid 11269] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 11272] recvfrom(4, [pid 11271] recvfrom(4, [pid 11269] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11272] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11269}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11271] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11270}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11271] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11276 [pid 11272] <... futex resumed>) = 1 [pid 11271] <... futex resumed>) = 1 [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11272] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11271] getsockname(4, [pid 11270] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11271] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11270, nl_groups=00000000}, [116 => 12]) = 0 [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11272] getsockname(4, [pid 11271] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11269] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11272] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11269, nl_groups=00000000}, [116 => 12]) = 0 [pid 11271] <... futex resumed>) = 0 [pid 11270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11271] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] <... futex resumed>) = 1 [pid 11271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11272] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11271] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x06\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11270] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11269] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 11276 attached [pid 11272] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x05\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11269] <... futex resumed>) = 0 [pid 11269] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11276] set_robust_list(0x5555555916a0, 24) = 0 [pid 11276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11276] setpgid(0, 0) = 0 [pid 11276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11276] write(3, "1000", 4) = 4 [pid 11276] close(3) = 0 [pid 11276] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11276] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11276] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11276] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11279 attached => {parent_tid=[11279]}, 88) = 11279 [pid 11276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11279] set_robust_list(0x7fb9262589a0, 24 [pid 11276] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11279] <... set_robust_list resumed>) = 0 [pid 11276] <... futex resumed>) = 0 [pid 11276] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11279] memfd_create("syzkaller", 0) = 3 [pid 11279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11264] <... sendmsg resumed>) = 64 [pid 11264] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11261] exit_group(0 [pid 11274] <... futex resumed>) = ? [pid 11264] <... futex resumed>) = ? [pid 11261] <... exit_group resumed>) = ? [pid 11279] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11274] +++ exited with 0 +++ [pid 11264] +++ exited with 0 +++ [pid 11279] <... write resumed>) = 131072 [pid 11279] munmap(0x7fb91de38000, 138412032) = 0 [pid 11279] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11279] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11279] close(3) = 0 [pid 11279] close(4) = 0 [pid 11279] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11279] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11279] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11279] ioctl(3, LOOP_CLR_FD [pid 11270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11266] <... sendmsg resumed>) = 64 [pid 11270] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11266] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11266] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11270] <... futex resumed>) = 0 [pid 11269] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11265] exit_group(0 [pid 11269] <... futex resumed>) = 0 [pid 11270] <... mmap resumed>) = 0x7fb926217000 [pid 11269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11275] <... futex resumed>) = ? [pid 11270] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11266] <... futex resumed>) = ? [pid 11265] <... exit_group resumed>) = ? [pid 11275] +++ exited with 0 +++ [pid 11266] +++ exited with 0 +++ [pid 11269] <... mmap resumed>) = 0x7fb926217000 [pid 11270] <... mprotect resumed>) = 0 [pid 11269] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11280 attached [pid 11280] set_robust_list(0x7fb9262379a0, 24 [pid 11270] <... clone3 resumed> => {parent_tid=[11280]}, 88) = 11280 [pid 11269] <... clone3 resumed> => {parent_tid=[11281]}, 88) = 11281 [pid 11280] <... set_robust_list resumed>) = 0 [pid 11270] rt_sigprocmask(SIG_SETMASK, [], [pid 11280] rt_sigprocmask(SIG_SETMASK, [], [pid 11270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11269] rt_sigprocmask(SIG_SETMASK, [], [pid 11280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11270] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11280] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11270] <... futex resumed>) = 0 [pid 11269] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11280] <... bpf resumed>) = 5 [pid 11270] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11269] <... futex resumed>) = 0 [pid 11280] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11269] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11280] <... futex resumed>) = 0 [pid 11270] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11281 attached [pid 11280] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11270] <... futex resumed>) = 0 [pid 11281] set_robust_list(0x7fb9262379a0, 24 [pid 11280] <... bpf resumed>) = 0 [pid 11281] <... set_robust_list resumed>) = 0 [pid 11280] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11281] rt_sigprocmask(SIG_SETMASK, [], [pid 11280] <... futex resumed>) = 0 [pid 11270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11280] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11270] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11281] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11270] <... futex resumed>) = 0 [pid 11281] <... bpf resumed>) = 5 [pid 11280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11270] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11281] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11280] <... bpf resumed>) = 6 [pid 11281] <... futex resumed>) = 1 [pid 11280] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] <... futex resumed>) = 0 [pid 11281] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11280] <... futex resumed>) = 1 [pid 11270] <... futex resumed>) = 0 [pid 11281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11280] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11270] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11281] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11281] <... bpf resumed>) = 0 [pid 11280] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11270] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11269] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11281] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11281] <... futex resumed>) = 0 [pid 11269] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11269] <... futex resumed>) = 0 [pid 11269] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11281] <... bpf resumed>) = 6 [pid 11281] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] <... futex resumed>) = 0 [pid 11269] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11281] <... futex resumed>) = 1 [pid 11269] <... futex resumed>) = 0 [pid 11281] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11269] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11261] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11261, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11265] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11265, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11279] <... ioctl resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11282 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11283 ./strace-static-x86_64: Process 11283 attached [pid 11283] set_robust_list(0x5555555916a0, 24) = 0 [pid 11283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11279] close(3) = 0 [pid 11279] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11276] <... futex resumed>) = 0 [pid 11279] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11276] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11276] <... futex resumed>) = 0 [pid 11279] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11276] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11279] <... socket resumed>) = 3 [pid 11279] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11276] <... futex resumed>) = 0 [pid 11279] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11276] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11276] <... futex resumed>) = 0 [pid 11279] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11276] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11279] <... socket resumed>) = 4 [pid 11272] <... sendmsg resumed>) = 64 [pid 11279] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11279] <... futex resumed>) = 1 [pid 11276] <... futex resumed>) = 0 [pid 11272] <... futex resumed>) = 0 [pid 11279] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11276] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11276] <... futex resumed>) = 0 [pid 11279] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11276] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11279] <... sendto resumed>) = 32 [pid 11279] recvfrom(4, [pid 11283] setpgid(0, 0 [pid 11279] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11276}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11283] <... setpgid resumed>) = 0 [pid 11279] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11279] <... futex resumed>) = 1 [pid 11276] <... futex resumed>) = 0 [pid 11283] <... openat resumed>) = 3 [pid 11279] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11276] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] write(3, "1000", 4 [pid 11279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11276] <... futex resumed>) = 0 [pid 11283] <... write resumed>) = 4 [pid 11279] getsockname(4, [pid 11276] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11279] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11276, nl_groups=00000000}, [116 => 12]) = 0 [pid 11279] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] close(3 [pid 11279] <... futex resumed>) = 1 [pid 11276] <... futex resumed>) = 0 [pid 11283] <... close resumed>) = 0 [pid 11279] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11276] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11276] <... futex resumed>) = 0 [pid 11279] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0c\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 158.932376][T11279] loop1: detected capacity change from 0 to 256 [ 158.940525][T11279] exfat: Bad value for 'uid' [pid 11276] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11283] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11283] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11283] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 11282 attached [pid 11283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11282] set_robust_list(0x5555555916a0, 24 [pid 11283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11282] <... set_robust_list resumed>) = 0 [pid 11282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11283] <... clone3 resumed> => {parent_tid=[11285]}, 88) = 11285 [pid 11282] setpgid(0, 0 [pid 11281] <... bpf resumed>) = 7 [pid 11280] <... bpf resumed>) = 7 [pid 11283] rt_sigprocmask(SIG_SETMASK, [], [pid 11281] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11280] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11281] <... futex resumed>) = 1 [pid 11269] <... futex resumed>) = 0 [pid 11283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11281] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11280] <... futex resumed>) = 1 [pid 11270] <... futex resumed>) = 0 [pid 11269] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11280] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11270] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] <... futex resumed>) = 1 [pid 11280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11283] <... futex resumed>) = 0 [pid 11272] <... futex resumed>) = 0 [pid 11270] <... futex resumed>) = 0 [pid 11269] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11282] <... setpgid resumed>) = 0 [pid 11280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11270] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11282] write(3, "1000", 4) = 4 [pid 11282] close(3) = 0 [pid 11282] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11282] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11282] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11280] <... bpf resumed>) = 8 [pid 11282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11286]}, 88) = 11286 [pid 11282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11282] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11282] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11286 attached [pid 11286] set_robust_list(0x7fb9262589a0, 24 [pid 11272] <... bpf resumed>) = 8 [pid 11272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11280] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11272] <... futex resumed>) = 1 [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11280] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11272] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11270] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11269] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11270] <... futex resumed>) = 0 [pid 11269] <... futex resumed>) = 0 [pid 11280] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11270] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11269] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11286] <... set_robust_list resumed>) = 0 [pid 11280] <... bpf resumed>) = 9 [pid 11286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11286] memfd_create("syzkaller", 0 [pid 11272] <... bpf resumed>) = 9 ./strace-static-x86_64: Process 11285 attached [pid 11280] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11269] <... futex resumed>) = 0 [pid 11272] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11269] exit_group(0 [pid 11280] <... futex resumed>) = 1 [pid 11270] <... futex resumed>) = 0 [pid 11269] <... exit_group resumed>) = ? [pid 11281] <... futex resumed>) = ? [pid 11281] +++ exited with 0 +++ [pid 11286] <... memfd_create resumed>) = 3 [pid 11280] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11272] <... futex resumed>) = ? [pid 11286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11285] set_robust_list(0x7fb9262589a0, 24 [pid 11272] +++ exited with 0 +++ [pid 11286] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11269] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11269, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11286] <... write resumed>) = 131072 [pid 11286] munmap(0x7fb91de38000, 138412032 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11286] <... munmap resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11286] <... openat resumed>) = 4 [pid 11286] ioctl(4, LOOP_SET_FD, 3 [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11287 [pid 11285] <... set_robust_list resumed>) = 0 [pid 11285] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11287 attached [pid 11286] <... ioctl resumed>) = 0 [pid 11286] close(3) = 0 [pid 11285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11287] set_robust_list(0x5555555916a0, 24) = 0 [pid 11286] close(4 [pid 11285] memfd_create("syzkaller", 0 [pid 11287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11285] <... memfd_create resumed>) = 3 [pid 11287] setpgid(0, 0 [pid 11286] <... close resumed>) = 0 [pid 11285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11285] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11285] munmap(0x7fb91de38000, 138412032) = 0 [pid 11286] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11286] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11287] <... setpgid resumed>) = 0 [pid 11285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11285] ioctl(4, LOOP_SET_FD, 3 [pid 11287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11286] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11271] <... sendmsg resumed>) = 64 [pid 11271] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11270] exit_group(0 [pid 11271] <... futex resumed>) = ? [pid 11270] <... exit_group resumed>) = ? [pid 11271] +++ exited with 0 +++ [pid 11287] <... openat resumed>) = 3 [pid 11287] write(3, "1000", 4) = 4 [pid 11286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11287] close(3 [pid 11286] <... openat resumed>) = 3 [pid 11287] <... close resumed>) = 0 [pid 11287] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11286] ioctl(3, LOOP_CLR_FD [pid 11287] <... futex resumed>) = 0 [pid 11287] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11287] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11280] <... futex resumed>) = ? [pid 11276] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11276] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11276] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11276] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11280] +++ exited with 0 +++ [pid 11276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11270] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11276] <... clone3 resumed> => {parent_tid=[11288]}, 88) = 11288 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 11276] rt_sigprocmask(SIG_SETMASK, [], [pid 300] <... restart_syscall resumed>) = 0 [pid 11287] <... mprotect resumed>) = 0 [pid 11276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11287] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11276] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11276] <... futex resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11276] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11287] <... clone3 resumed> => {parent_tid=[11289]}, 88) = 11289 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11287] rt_sigprocmask(SIG_SETMASK, [], [pid 300] close(3 [pid 11287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... close resumed>) = 0 [pid 11287] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11287] <... futex resumed>) = 0 [pid 11287] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11290 [pid 11285] <... ioctl resumed>) = 0 [pid 11285] close(3) = 0 [pid 11285] close(4) = 0 [pid 11285] mkdir("./file0", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 11288 attached [pid 11285] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11290 attached ./strace-static-x86_64: Process 11289 attached [pid 11288] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11288] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11276] <... futex resumed>) = 0 [pid 11288] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11276] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11288] <... bpf resumed>) = 0 [pid 11276] <... futex resumed>) = 0 [pid 11288] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11276] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11288] <... futex resumed>) = 0 [pid 11276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11276] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11288] <... bpf resumed>) = 6 [pid 11285] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11276] <... futex resumed>) = 0 [pid 11288] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11276] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11288] <... futex resumed>) = 0 [pid 11276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11276] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11276] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11288] <... bpf resumed>) = 7 [pid 11288] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11276] <... futex resumed>) = 0 [pid 11288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11276] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] set_robust_list(0x5555555916a0, 24 [pid 11289] set_robust_list(0x7fb9262589a0, 24 [pid 11285] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11276] <... futex resumed>) = 0 [pid 11290] <... set_robust_list resumed>) = 0 [pid 11289] <... set_robust_list resumed>) = 0 [pid 11288] <... bpf resumed>) = 8 [pid 11276] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11285] <... openat resumed>) = 3 [pid 11290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11288] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11276] <... futex resumed>) = 0 [pid 11288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11276] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11289] rt_sigprocmask(SIG_SETMASK, [], [pid 11288] <... bpf resumed>) = 9 [pid 11285] ioctl(3, LOOP_CLR_FD [pid 11290] <... prctl resumed>) = 0 [pid 11276] <... futex resumed>) = 0 [pid 11288] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11276] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11288] <... futex resumed>) = 0 [pid 11276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11288] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11289] memfd_create("syzkaller", 0) = 3 [pid 11290] setpgid(0, 0 [pid 11289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11290] <... setpgid resumed>) = 0 [pid 11290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11289] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11290] write(3, "1000", 4 [pid 11289] <... write resumed>) = 131072 [pid 11290] <... write resumed>) = 4 [pid 11289] munmap(0x7fb91de38000, 138412032 [pid 11290] close(3 [pid 11289] <... munmap resumed>) = 0 [pid 11290] <... close resumed>) = 0 [pid 11289] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11290] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11289] <... openat resumed>) = 4 [pid 11290] <... futex resumed>) = 0 [pid 11290] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11289] ioctl(4, LOOP_SET_FD, 3 [pid 11290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11286] <... ioctl resumed>) = 0 [ 159.017417][T11286] loop3: detected capacity change from 0 to 256 [ 159.032120][T11286] exfat: Bad value for 'uid' [ 159.035795][T11285] loop0: detected capacity change from 0 to 256 [ 159.053553][T11285] exfat: Bad value for 'uid' [pid 11286] close(3) = 0 [pid 11286] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11282] <... futex resumed>) = 0 [pid 11286] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11282] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11282] <... futex resumed>) = 0 [pid 11286] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11282] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11286] <... socket resumed>) = 3 [pid 11286] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11282] <... futex resumed>) = 0 [pid 11286] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11282] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11289] <... ioctl resumed>) = 0 [pid 11286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11282] <... futex resumed>) = 0 [pid 11286] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11282] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11286] <... socket resumed>) = 4 [pid 11290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11286] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11282] <... futex resumed>) = 0 [pid 11290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11289] close(3 [pid 11286] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11282] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] <... mmap resumed>) = 0x7fb926238000 [pid 11286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11282] <... futex resumed>) = 0 [pid 11286] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11282] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11290] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11289] <... close resumed>) = 0 [pid 11286] <... sendto resumed>) = 32 [pid 11290] <... mprotect resumed>) = 0 [pid 11286] recvfrom(4, [pid 11290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11289] close(4 [pid 11286] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11282}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11289] <... close resumed>) = 0 [pid 11286] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11289] mkdir("./file0", 0777 [pid 11286] <... futex resumed>) = 1 [pid 11282] <... futex resumed>) = 0 [pid 11286] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11282] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] <... clone3 resumed> => {parent_tid=[11291]}, 88) = 11291 [pid 11289] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11282] <... futex resumed>) = 0 [pid 11290] rt_sigprocmask(SIG_SETMASK, [], [pid 11289] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11286] getsockname(4, [pid 11282] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11291 attached [pid 11290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11286] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11282, nl_groups=00000000}, [116 => 12]) = 0 [pid 11286] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11282] <... futex resumed>) = 0 [pid 11286] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11282] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11282] <... futex resumed>) = 0 [pid 11286] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x12\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11282] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11291] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11291] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11285] <... ioctl resumed>) = 0 [pid 11285] close(3) = 0 [pid 11285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11285] <... futex resumed>) = 1 [pid 11285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11283] <... futex resumed>) = 0 [pid 11289] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11285] <... futex resumed>) = 0 [pid 11283] <... futex resumed>) = 1 [pid 11285] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11290] <... futex resumed>) = 1 [pid 11291] <... futex resumed>) = 0 [pid 11290] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11285] <... socket resumed>) = 3 [pid 11291] memfd_create("syzkaller", 0 [pid 11285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11291] <... memfd_create resumed>) = 3 [pid 11285] <... futex resumed>) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11285] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11291] <... mmap resumed>) = 0x7fb91de38000 [pid 11285] <... socket resumed>) = 4 [pid 11283] <... futex resumed>) = 0 [pid 11291] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11285] <... futex resumed>) = 0 [pid 11283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11285] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11291] <... write resumed>) = 131072 [pid 11285] <... sendto resumed>) = 32 [pid 11283] <... futex resumed>) = 0 [pid 11291] munmap(0x7fb91de38000, 138412032 [pid 11285] recvfrom(4, [pid 11283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11291] <... munmap resumed>) = 0 [pid 11285] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11283}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11291] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11291] <... openat resumed>) = 4 [pid 11285] <... futex resumed>) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11291] ioctl(4, LOOP_SET_FD, 3 [pid 11285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11283] <... futex resumed>) = 0 [pid 11285] getsockname(4, [pid 11283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11279] <... sendmsg resumed>) = 64 [pid 11285] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11283, nl_groups=00000000}, [116 => 12]) = 0 [pid 11285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11279] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11283] <... futex resumed>) = 0 [pid 11285] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x13\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11279] <... futex resumed>) = 0 [pid 11279] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11276] exit_group(0 [pid 11288] <... futex resumed>) = ? [pid 11279] <... futex resumed>) = ? [pid 11276] <... exit_group resumed>) = ? [pid 11288] +++ exited with 0 +++ [pid 11279] +++ exited with 0 +++ [pid 11289] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11289] ioctl(3, LOOP_CLR_FD [pid 11276] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11276, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11291] <... ioctl resumed>) = 0 [pid 11291] close(3 [pid 297] <... restart_syscall resumed>) = 0 [pid 11291] <... close resumed>) = 0 [pid 11291] close(4) = 0 [pid 11291] mkdir("./file0", 0777 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11294 attached [pid 11291] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11294 [pid 11291] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11291] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11291] ioctl(3, LOOP_CLR_FD [pid 11294] set_robust_list(0x5555555916a0, 24) = 0 [pid 11294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11294] setpgid(0, 0) = 0 [pid 11294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11294] write(3, "1000", 4) = 4 [pid 11294] close(3) = 0 [pid 11294] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11294] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11294] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11295 attached => {parent_tid=[11295]}, 88) = 11295 [pid 11294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11294] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11294] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11295] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11295] memfd_create("syzkaller", 0) = 3 [pid 11295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11295] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11295] munmap(0x7fb91de38000, 138412032) = 0 [pid 11295] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 159.066690][T11289] loop2: detected capacity change from 0 to 256 [ 159.082006][T11289] exfat: Bad value for 'uid' [ 159.094011][T11291] loop4: detected capacity change from 0 to 256 [ 159.111550][T11291] exfat: Bad value for 'uid' [pid 11295] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11295] close(3) = 0 [pid 11295] close(4) = 0 [pid 11295] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11289] <... ioctl resumed>) = 0 [pid 11295] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11289] close(3 [pid 11282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11295] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11291] <... ioctl resumed>) = 0 [pid 11289] <... close resumed>) = 0 [pid 11282] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11295] <... openat resumed>) = 3 [pid 11289] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11295] ioctl(3, LOOP_CLR_FD [pid 11289] <... futex resumed>) = 1 [pid 11289] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11291] close(3 [pid 11287] <... futex resumed>) = 0 [pid 11282] <... futex resumed>) = 0 [pid 11291] <... close resumed>) = 0 [pid 11291] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11291] <... futex resumed>) = 1 [pid 11290] <... futex resumed>) = 0 [pid 11289] <... futex resumed>) = 0 [pid 11287] <... futex resumed>) = 1 [pid 11282] <... mmap resumed>) = 0x7fb926217000 [pid 11291] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11290] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11289] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11287] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11282] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11290] <... futex resumed>) = 0 [pid 11289] <... socket resumed>) = 3 [pid 11290] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11289] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11291] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11282] <... mprotect resumed>) = 0 [pid 11289] <... futex resumed>) = 1 [pid 11287] <... futex resumed>) = 0 [pid 11291] <... socket resumed>) = 3 [pid 11289] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11287] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11289] <... socket resumed>) = 4 [pid 11291] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] <... futex resumed>) = 0 [pid 11289] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11291] <... futex resumed>) = 1 [pid 11290] <... futex resumed>) = 0 [pid 11289] <... futex resumed>) = 0 [pid 11287] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11291] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11290] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11289] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 11296 attached [pid 11291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11290] <... futex resumed>) = 0 [pid 11289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11287] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11296] set_robust_list(0x7fb9262379a0, 24 [pid 11291] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11290] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11289] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11287] <... futex resumed>) = 0 [pid 11282] <... clone3 resumed> => {parent_tid=[11296]}, 88) = 11296 [pid 11296] <... set_robust_list resumed>) = 0 [pid 11291] <... socket resumed>) = 4 [pid 11289] <... sendto resumed>) = 32 [pid 11287] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11291] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11289] recvfrom(4, [pid 11296] rt_sigprocmask(SIG_SETMASK, [], [pid 11291] <... futex resumed>) = 1 [pid 11290] <... futex resumed>) = 0 [pid 11282] <... futex resumed>) = 0 [pid 11289] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11287}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11291] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11290] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11296] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11289] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11291] <... sendto resumed>) = 32 [pid 11290] <... futex resumed>) = 0 [pid 11289] <... futex resumed>) = 1 [pid 11287] <... futex resumed>) = 0 [pid 11291] recvfrom(4, [pid 11290] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11289] getsockname(4, [pid 11287] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11291] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11290}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11289] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11287, nl_groups=00000000}, [116 => 12]) = 0 [pid 11287] <... futex resumed>) = 0 [pid 11296] <... bpf resumed>) = 5 [pid 11291] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11289] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11291] <... futex resumed>) = 1 [pid 11290] <... futex resumed>) = 0 [pid 11289] <... futex resumed>) = 0 [pid 11287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11291] getsockname(4, [pid 11290] <... futex resumed>) = 0 [pid 11289] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x17\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11287] <... futex resumed>) = 0 [pid 11291] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11290, nl_groups=00000000}, [116 => 12]) = 0 [pid 11290] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11296] <... futex resumed>) = 1 [pid 11296] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11287] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11291] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] <... futex resumed>) = 0 [pid 11291] <... futex resumed>) = 1 [pid 11290] <... futex resumed>) = 0 [pid 11282] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11296] <... futex resumed>) = 0 [pid 11291] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11290] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] <... futex resumed>) = 1 [pid 11296] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11290] <... futex resumed>) = 0 [pid 11282] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11296] <... bpf resumed>) = 0 [pid 11291] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x1a\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11290] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11296] <... futex resumed>) = 1 [pid 11283] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] <... futex resumed>) = 0 [pid 11296] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11283] <... futex resumed>) = 0 [pid 11296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11282] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11282] <... futex resumed>) = 0 [pid 11296] <... bpf resumed>) = 6 [pid 11296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11296] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11283] <... mmap resumed>) = 0x7fb926217000 [pid 11283] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11282] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11299]}, 88) = 11299 [pid 11283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11283] <... futex resumed>) = 0 [pid 11283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11282] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11299 attached [pid 11296] <... futex resumed>) = 0 [pid 11282] <... futex resumed>) = 1 [pid 11299] set_robust_list(0x7fb9262379a0, 24 [pid 11296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11282] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11299] <... set_robust_list resumed>) = 0 [pid 11296] <... bpf resumed>) = 7 [pid 11299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11299] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11299] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11299] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] <... futex resumed>) = 0 [pid 11299] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11299] <... bpf resumed>) = 0 [pid 11296] <... futex resumed>) = 1 [pid 11282] <... futex resumed>) = 0 [pid 11299] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11282] <... futex resumed>) = 0 [pid 11299] <... futex resumed>) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11282] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11299] <... bpf resumed>) = 6 [pid 11283] <... futex resumed>) = 0 [pid 11296] <... bpf resumed>) = 8 [pid 11283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11282] <... futex resumed>) = 0 [pid 11299] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11282] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11299] <... futex resumed>) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11282] <... futex resumed>) = 0 [pid 11299] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11282] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11299] <... bpf resumed>) = 7 [pid 11296] <... bpf resumed>) = 9 [pid 11283] <... futex resumed>) = 0 [pid 11296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11296] <... futex resumed>) = 1 [pid 11282] <... futex resumed>) = 0 [pid 11296] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11299] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11299] <... bpf resumed>) = 8 [pid 11299] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11299] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11299] <... bpf resumed>) = 9 [pid 11299] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11283] <... futex resumed>) = 0 [pid 11299] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11295] <... ioctl resumed>) = 0 [pid 11295] close(3) = 0 [pid 11295] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11294] <... futex resumed>) = 0 [pid 11295] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11294] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11294] <... futex resumed>) = 0 [pid 11295] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11294] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11295] <... socket resumed>) = 3 [pid 11295] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11294] <... futex resumed>) = 0 [pid 11295] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11294] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11294] <... futex resumed>) = 0 [pid 11295] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11294] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11295] <... socket resumed>) = 4 [pid 11295] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11294] <... futex resumed>) = 0 [pid 11295] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11294] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11294] <... futex resumed>) = 0 [pid 11295] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11294] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11295] <... sendto resumed>) = 32 [pid 11295] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11294}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11295] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11294] <... futex resumed>) = 0 [pid 11295] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11294] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11294] <... futex resumed>) = 0 [pid 11295] getsockname(4, [pid 11294] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11295] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11294, nl_groups=00000000}, [116 => 12]) = 0 [ 159.125218][T11295] loop1: detected capacity change from 0 to 256 [ 159.133484][T11295] exfat: Bad value for 'uid' [pid 11295] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11294] <... futex resumed>) = 0 [pid 11295] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11294] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11294] <... futex resumed>) = 0 [pid 11295] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x1e\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11294] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11286] <... sendmsg resumed>) = 64 [pid 11285] <... sendmsg resumed>) = 64 [pid 11286] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11286] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11285] <... futex resumed>) = 0 [pid 11285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11282] exit_group(0 [pid 11296] <... futex resumed>) = ? [pid 11286] <... futex resumed>) = ? [pid 11282] <... exit_group resumed>) = ? [pid 11296] +++ exited with 0 +++ [pid 11287] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11286] +++ exited with 0 +++ [pid 11283] exit_group(0 [pid 11299] <... futex resumed>) = ? [pid 11287] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11285] <... futex resumed>) = ? [pid 11283] <... exit_group resumed>) = ? [pid 11299] +++ exited with 0 +++ [pid 11287] <... futex resumed>) = 0 [pid 11287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11287] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11287] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11301]}, 88) = 11301 [pid 11287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11287] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11287] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11301 attached [pid 11301] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11287] <... futex resumed>) = 0 [pid 11301] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11287] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11301] <... bpf resumed>) = 0 [pid 11290] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11287] <... futex resumed>) = 0 [pid 11301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11301] <... futex resumed>) = 0 [pid 11287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11287] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11301] <... bpf resumed>) = 6 [pid 11290] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] <... futex resumed>) = 0 [pid 11301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] <... futex resumed>) = 0 [pid 11287] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11301] <... futex resumed>) = 0 [pid 11290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11290] <... mmap resumed>) = 0x7fb926217000 [pid 11287] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11287] <... futex resumed>) = 0 [pid 11290] <... mprotect resumed>) = 0 [pid 11287] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11302 attached => {parent_tid=[11302]}, 88) = 11302 [pid 11290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11302] set_robust_list(0x7fb9262379a0, 24 [pid 11290] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11302] <... set_robust_list resumed>) = 0 [pid 11290] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11302] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11290] <... futex resumed>) = 0 [pid 11302] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11290] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11302] <... bpf resumed>) = 0 [pid 11290] <... futex resumed>) = 0 [pid 11302] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11302] <... futex resumed>) = 0 [pid 11290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11290] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11302] <... bpf resumed>) = 6 [pid 11290] <... futex resumed>) = 0 [pid 11302] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11302] <... futex resumed>) = 0 [pid 11290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11290] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11290] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11289] <... sendmsg resumed>) = 64 [pid 11294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11282] +++ exited with 0 +++ [pid 11285] +++ exited with 0 +++ [pid 11294] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11289] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11283] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11282, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11294] <... futex resumed>) = 0 [pid 11289] <... futex resumed>) = 0 [pid 11294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11289] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11294] <... mmap resumed>) = 0x7fb926217000 [pid 11294] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11283, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11303]}, 88) = 11303 [pid 11294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11294] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11294] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11303 attached [pid 299] <... restart_syscall resumed>) = 0 [pid 11303] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11303] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11294] <... futex resumed>) = 0 [pid 11303] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11294] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11303] <... bpf resumed>) = 0 [pid 11294] <... futex resumed>) = 0 [pid 11303] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11294] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11303] <... futex resumed>) = 0 [pid 11294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11294] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11303] <... bpf resumed>) = 6 [pid 11294] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... openat resumed>) = 3 [pid 11303] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11303] <... futex resumed>) = 0 [pid 11294] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11294] <... futex resumed>) = 0 [pid 11294] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11304 ./strace-static-x86_64: Process 11304 attached [pid 11304] set_robust_list(0x5555555916a0, 24) = 0 [pid 11304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11304] setpgid(0, 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11305 [pid 11304] <... setpgid resumed>) = 0 [pid 11304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11304] write(3, "1000", 4) = 4 [pid 11304] close(3) = 0 [pid 11304] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11304] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11304] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 11305 attached [pid 11305] set_robust_list(0x5555555916a0, 24 [pid 11304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11305] <... set_robust_list resumed>) = 0 [pid 11304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11306]}, 88) = 11306 ./strace-static-x86_64: Process 11306 attached [pid 11305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11304] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11304] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11306] set_robust_list(0x7fb9262589a0, 24 [pid 11305] <... prctl resumed>) = 0 [pid 11306] <... set_robust_list resumed>) = 0 [pid 11306] rt_sigprocmask(SIG_SETMASK, [], [pid 11305] setpgid(0, 0 [pid 11306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11305] <... setpgid resumed>) = 0 [pid 11305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11306] memfd_create("syzkaller", 0 [pid 11305] <... openat resumed>) = 3 [pid 11306] <... memfd_create resumed>) = 3 [pid 11306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11305] write(3, "1000", 4) = 4 [pid 11305] close(3) = 0 [pid 11305] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11305] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11305] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11306] <... mmap resumed>) = 0x7fb91de38000 [pid 11305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11307]}, 88) = 11307 [pid 11305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11305] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11305] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11307 attached [pid 11307] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11307] memfd_create("syzkaller", 0) = 3 [pid 11307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11301] <... bpf resumed>) = 7 [pid 11303] <... bpf resumed>) = 7 [pid 11302] <... bpf resumed>) = 7 [pid 11301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11303] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11302] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11303] <... futex resumed>) = 1 [pid 11302] <... futex resumed>) = 1 [pid 11301] <... futex resumed>) = 1 [pid 11294] <... futex resumed>) = 0 [pid 11290] <... futex resumed>) = 0 [pid 11287] <... futex resumed>) = 0 [pid 11303] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11302] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11301] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11294] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11294] <... futex resumed>) = 0 [pid 11290] <... futex resumed>) = 0 [pid 11289] <... futex resumed>) = 0 [pid 11287] <... futex resumed>) = 1 [pid 11303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11294] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11290] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11287] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11303] <... bpf resumed>) = 8 [pid 11307] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11289] <... bpf resumed>) = 8 [pid 11307] <... write resumed>) = 131072 [pid 11307] munmap(0x7fb91de38000, 138412032 [pid 11302] <... bpf resumed>) = 8 [pid 11289] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11302] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11303] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11302] <... futex resumed>) = 1 [pid 11290] <... futex resumed>) = 0 [pid 11289] <... futex resumed>) = 1 [pid 11287] <... futex resumed>) = 0 [pid 11303] <... futex resumed>) = 1 [pid 11302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11294] <... futex resumed>) = 0 [pid 11290] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11289] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11287] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11307] <... munmap resumed>) = 0 [pid 11302] <... bpf resumed>) = 9 [pid 11294] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11287] <... futex resumed>) = 0 [pid 11290] <... futex resumed>) = 0 [pid 11303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11302] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11294] <... futex resumed>) = 0 [pid 11290] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11287] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11294] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11303] <... bpf resumed>) = 9 [pid 11290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11302] <... futex resumed>) = 0 [pid 11307] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11289] <... bpf resumed>) = 9 [pid 11303] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11302] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11289] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11287] <... futex resumed>) = 0 [pid 11287] exit_group(0) = ? [pid 11301] <... futex resumed>) = ? [pid 11301] +++ exited with 0 +++ [pid 11307] <... openat resumed>) = 4 [pid 11303] <... futex resumed>) = 1 [pid 11294] <... futex resumed>) = 0 [pid 11307] ioctl(4, LOOP_SET_FD, 3 [pid 11289] +++ exited with 0 +++ [pid 11287] +++ exited with 0 +++ [pid 11303] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11287, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11306] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11306] munmap(0x7fb91de38000, 138412032) = 0 [pid 11306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11306] ioctl(4, LOOP_SET_FD, 3 [pid 11307] <... ioctl resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11308 [pid 11307] close(3) = 0 [pid 11307] close(4) = 0 [pid 11307] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11307] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11307] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11307] ioctl(3, LOOP_CLR_FD [pid 11306] <... ioctl resumed>) = 0 [pid 11306] close(3) = 0 [pid 11306] close(4) = 0 [pid 11306] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11306] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11291] <... sendmsg resumed>) = 64 [pid 11291] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11290] exit_group(0 [pid 11291] <... futex resumed>) = ? [pid 11290] <... exit_group resumed>) = ? [pid 11302] <... futex resumed>) = ? [pid 11302] +++ exited with 0 +++ [pid 11306] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11306] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11308 attached [pid 11308] set_robust_list(0x5555555916a0, 24) = 0 [pid 11308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11308] setpgid(0, 0) = 0 [pid 11308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11308] write(3, "1000", 4) = 4 [pid 11308] close(3) = 0 [pid 11308] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11308] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11308] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11309 attached [pid 11309] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11309] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] <... clone3 resumed> => {parent_tid=[11309]}, 88) = 11309 [pid 11308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11308] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11309] <... futex resumed>) = 0 [pid 11309] memfd_create("syzkaller", 0 [pid 11308] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11309] <... memfd_create resumed>) = 3 [pid 11309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11309] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11309] munmap(0x7fb91de38000, 138412032) = 0 [pid 11309] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 159.264293][T11307] loop3: detected capacity change from 0 to 256 [ 159.268720][T11306] loop0: detected capacity change from 0 to 256 [ 159.276008][T11307] exfat: Bad value for 'uid' [ 159.285007][T11306] exfat: Bad value for 'uid' [ 159.304396][T11309] loop2: detected capacity change from 0 to 256 [pid 11309] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11307] <... ioctl resumed>) = 0 [pid 11307] close(3) = 0 [pid 11307] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11305] <... futex resumed>) = 0 [pid 11307] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11305] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11305] <... futex resumed>) = 0 [pid 11307] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11305] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11307] <... socket resumed>) = 3 [pid 11309] close(3 [pid 11307] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11309] <... close resumed>) = 0 [pid 11307] <... futex resumed>) = 1 [pid 11305] <... futex resumed>) = 0 [pid 11309] close(4 [pid 11307] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11305] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11309] <... close resumed>) = 0 [pid 11307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11305] <... futex resumed>) = 0 [pid 11309] mkdir("./file0", 0777 [pid 11307] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11305] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11309] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11307] <... socket resumed>) = 4 [pid 11309] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11307] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11305] <... futex resumed>) = 0 [pid 11307] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11305] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11305] <... futex resumed>) = 0 [pid 11307] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11305] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11309] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11307] <... sendto resumed>) = 32 [pid 11309] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11307] recvfrom(4, [pid 11309] <... openat resumed>) = 3 [pid 11307] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11305}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11309] ioctl(3, LOOP_CLR_FD [pid 11307] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11305] <... futex resumed>) = 0 [pid 11307] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11305] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11305] <... futex resumed>) = 0 [pid 11307] getsockname(4, [pid 11305] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11307] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11305, nl_groups=00000000}, [116 => 12]) = 0 [pid 11307] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11305] <... futex resumed>) = 0 [pid 11307] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11305] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11305] <... futex resumed>) = 0 [pid 11307] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x29\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11305] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11291] +++ exited with 0 +++ [pid 11290] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11290, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11311 ./strace-static-x86_64: Process 11311 attached [pid 11311] set_robust_list(0x5555555916a0, 24) = 0 [pid 11311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11311] setpgid(0, 0) = 0 [pid 11311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11311] write(3, "1000", 4) = 4 [pid 11311] close(3) = 0 [pid 11311] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11311] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11311] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11312 attached => {parent_tid=[11312]}, 88) = 11312 [pid 11311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11311] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11311] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11312] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11312] rt_sigprocmask(SIG_SETMASK, [], [pid 11306] <... ioctl resumed>) = 0 [pid 11306] close(3 [pid 11312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11309] <... ioctl resumed>) = 0 [pid 11306] <... close resumed>) = 0 [pid 11295] <... sendmsg resumed>) = 64 [pid 11309] close(3 [pid 11306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11295] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11294] exit_group(0 [pid 11309] <... close resumed>) = 0 [pid 11306] <... futex resumed>) = 1 [pid 11304] <... futex resumed>) = 0 [pid 11303] <... futex resumed>) = ? [pid 11295] <... futex resumed>) = ? [pid 11294] <... exit_group resumed>) = ? [pid 11309] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11304] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11303] +++ exited with 0 +++ [pid 11295] +++ exited with 0 +++ [pid 11294] +++ exited with 0 +++ [pid 11309] <... futex resumed>) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11304] <... futex resumed>) = 0 [pid 11309] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11304] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11294, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11312] memfd_create("syzkaller", 0 [pid 11309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11308] <... futex resumed>) = 0 [pid 11306] <... socket resumed>) = 3 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11312] <... memfd_create resumed>) = 3 [pid 11309] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11308] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11309] <... socket resumed>) = 3 [pid 11306] <... futex resumed>) = 1 [pid 11304] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 11312] <... mmap resumed>) = 0x7fb91de38000 [pid 11309] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11304] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11312] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11309] <... futex resumed>) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11304] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11309] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11304] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] close(3 [pid 11309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11308] <... futex resumed>) = 0 [pid 11306] <... socket resumed>) = 4 [pid 297] <... close resumed>) = 0 [pid 11309] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11308] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11312] <... write resumed>) = 131072 [pid 11309] <... socket resumed>) = 4 [pid 11306] <... futex resumed>) = 1 [pid 11304] <... futex resumed>) = 0 [pid 11306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11304] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11309] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11304] <... futex resumed>) = 0 [pid 11312] munmap(0x7fb91de38000, 138412032 [pid 11309] <... futex resumed>) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11306] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11304] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11313 [pid 11312] <... munmap resumed>) = 0 [pid 11309] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] <... sendto resumed>) = 32 [pid 11312] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11308] <... futex resumed>) = 0 [ 159.310873][ T318] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 159.318362][T11309] exfat: Bad value for 'uid' [pid 11306] recvfrom(4, [pid 11312] <... openat resumed>) = 4 [pid 11309] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11308] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11306] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11304}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 ./strace-static-x86_64: Process 11313 attached [pid 11312] ioctl(4, LOOP_SET_FD, 3 [pid 11309] <... sendto resumed>) = 32 [pid 11306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11309] recvfrom(4, [pid 11306] <... futex resumed>) = 1 [pid 11304] <... futex resumed>) = 0 [pid 11309] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11308}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11304] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11309] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11304] <... futex resumed>) = 0 [pid 11309] <... futex resumed>) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11306] getsockname(4, [pid 11304] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11309] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11304, nl_groups=00000000}, [116 => 12]) = 0 [pid 11309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11308] <... futex resumed>) = 0 [pid 11306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11309] getsockname(4, [pid 11308] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11309] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11308, nl_groups=00000000}, [116 => 12]) = 0 [pid 11306] <... futex resumed>) = 1 [pid 11304] <... futex resumed>) = 0 [pid 11309] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11304] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11309] <... futex resumed>) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11304] <... futex resumed>) = 0 [pid 11309] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11308] <... futex resumed>) = 0 [pid 11309] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2c\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11308] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11313] set_robust_list(0x5555555916a0, 24) = 0 [pid 11313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11313] setpgid(0, 0) = 0 [pid 11313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11313] write(3, "1000", 4) = 4 [pid 11313] close(3) = 0 [pid 11313] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11313] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11313] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11314]}, 88) = 11314 [pid 11313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11313] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11313] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11314 attached [pid 11314] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11314] memfd_create("syzkaller", 0) = 3 [pid 11314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11314] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11306] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x28\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11314] <... write resumed>) = 131072 [pid 11314] munmap(0x7fb91de38000, 138412032 [pid 11304] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11314] <... munmap resumed>) = 0 [pid 11305] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11314] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11305] <... futex resumed>) = 0 [pid 11305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11314] <... openat resumed>) = 4 [pid 11305] <... mmap resumed>) = 0x7fb926217000 [pid 11314] ioctl(4, LOOP_SET_FD, 3 [pid 11305] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11316]}, 88) = 11316 [pid 11305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11305] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11316 attached [pid 11312] <... ioctl resumed>) = 0 [pid 11305] <... futex resumed>) = 0 [pid 11305] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11312] close(3) = 0 [pid 11312] close(4) = 0 [pid 11312] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11312] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11316] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11316] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11305] <... futex resumed>) = 0 [pid 11305] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11305] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11316] <... futex resumed>) = 1 [pid 11316] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11314] <... ioctl resumed>) = 0 [pid 11312] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11314] close(3) = 0 [pid 11314] close(4) = 0 [pid 11314] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11314] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11316] <... bpf resumed>) = 0 [pid 11312] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11314] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11316] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] <... openat resumed>) = 3 [pid 11305] <... futex resumed>) = 0 [pid 11305] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11305] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11316] <... futex resumed>) = 1 [pid 11316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11314] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11312] ioctl(3, LOOP_CLR_FD [pid 11316] <... bpf resumed>) = 6 [pid 11316] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11305] <... futex resumed>) = 0 [pid 11305] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11305] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11316] <... futex resumed>) = 1 [pid 11316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11316] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11305] <... futex resumed>) = 0 [pid 11305] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11305] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11316] <... futex resumed>) = 1 [pid 11314] <... openat resumed>) = 3 [pid 11316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11314] ioctl(3, LOOP_CLR_FD [pid 11316] <... bpf resumed>) = 8 [pid 11316] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11305] <... futex resumed>) = 0 [pid 11305] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11305] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11316] <... futex resumed>) = 1 [pid 11316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11316] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11305] <... futex resumed>) = 0 [pid 11316] <... futex resumed>) = 1 [pid 11316] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11308] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11308] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11318 attached => {parent_tid=[11318]}, 88) = 11318 [pid 11318] set_robust_list(0x7fb9262379a0, 24 [pid 11308] rt_sigprocmask(SIG_SETMASK, [], [pid 11318] <... set_robust_list resumed>) = 0 [pid 11318] rt_sigprocmask(SIG_SETMASK, [], [pid 11308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11308] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11308] <... futex resumed>) = 0 [pid 11318] <... bpf resumed>) = 5 [pid 11308] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11318] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11308] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11318] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11308] <... futex resumed>) = 0 [pid 11308] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11318] <... bpf resumed>) = 0 [pid 11318] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11308] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11308] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11318] <... bpf resumed>) = 6 [pid 11318] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11318] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11304] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11308] <... futex resumed>) = 0 [pid 11304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11308] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11304] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11318] <... bpf resumed>) = 7 [pid 11304] <... futex resumed>) = 0 [pid 11318] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11318] <... futex resumed>) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11304] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11308] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11304] <... mprotect resumed>) = 0 [pid 11308] <... futex resumed>) = 0 [pid 11304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11308] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11318] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 11319 attached [pid 11318] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11319] set_robust_list(0x7fb9262379a0, 24 [pid 11318] <... futex resumed>) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11304] <... clone3 resumed> => {parent_tid=[11319]}, 88) = 11319 [pid 11319] <... set_robust_list resumed>) = 0 [pid 11318] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11308] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11304] rt_sigprocmask(SIG_SETMASK, [], [pid 11319] rt_sigprocmask(SIG_SETMASK, [], [pid 11318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11308] <... futex resumed>) = 0 [pid 11304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11308] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11304] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11318] <... bpf resumed>) = 9 [pid 11304] <... futex resumed>) = 0 [pid 11319] <... bpf resumed>) = 5 [pid 11318] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11304] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11319] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11318] <... futex resumed>) = 1 [pid 11308] <... futex resumed>) = 0 [pid 11304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11319] <... futex resumed>) = 0 [pid 11318] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11304] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11319] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11304] <... futex resumed>) = 0 [pid 11319] <... bpf resumed>) = 0 [pid 11304] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11319] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11304] <... futex resumed>) = 0 [pid 11319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11304] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11319] <... bpf resumed>) = 6 [pid 11304] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11319] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11319] <... futex resumed>) = 0 [pid 11304] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11304] <... futex resumed>) = 0 [pid 11319] <... bpf resumed>) = 7 [pid 11304] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11319] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11304] <... futex resumed>) = 0 [pid 11319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11304] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11304] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11319] <... bpf resumed>) = 8 [pid 11319] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11304] <... futex resumed>) = 0 [pid 11319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11304] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11319] <... bpf resumed>) = 9 [pid 11304] <... futex resumed>) = 0 [pid 11319] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11304] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11319] <... futex resumed>) = 0 [pid 11304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 159.378376][T11312] loop4: detected capacity change from 0 to 256 [ 159.386058][T11314] loop1: detected capacity change from 0 to 256 [ 159.388033][T11312] exfat: Bad value for 'uid' [ 159.402790][T11314] exfat: Bad value for 'uid' [pid 11319] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11314] <... ioctl resumed>) = 0 [pid 11312] <... ioctl resumed>) = 0 [pid 11314] close(3 [pid 11312] close(3 [pid 11314] <... close resumed>) = 0 [pid 11312] <... close resumed>) = 0 [pid 11312] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11314] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] <... futex resumed>) = 1 [pid 11311] <... futex resumed>) = 0 [pid 11314] <... futex resumed>) = 1 [pid 11313] <... futex resumed>) = 0 [pid 11312] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11311] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11313] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11311] <... futex resumed>) = 0 [pid 11313] <... futex resumed>) = 0 [pid 11312] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11311] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11313] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11312] <... socket resumed>) = 3 [pid 11312] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11311] <... futex resumed>) = 0 [pid 11314] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11312] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11311] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11314] <... socket resumed>) = 3 [pid 11312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11311] <... futex resumed>) = 0 [pid 11314] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11311] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11314] <... futex resumed>) = 1 [pid 11313] <... futex resumed>) = 0 [pid 11312] <... socket resumed>) = 4 [pid 11314] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11313] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11313] <... futex resumed>) = 0 [pid 11312] <... futex resumed>) = 1 [pid 11311] <... futex resumed>) = 0 [pid 11307] <... sendmsg resumed>) = 64 [pid 11314] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11313] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11312] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11311] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11307] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11314] <... socket resumed>) = 4 [pid 11312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11311] <... futex resumed>) = 0 [pid 11307] <... futex resumed>) = 0 [pid 11305] exit_group(0 [pid 11316] <... futex resumed>) = ? [pid 11314] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11311] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11305] <... exit_group resumed>) = ? [pid 11316] +++ exited with 0 +++ [pid 11314] <... futex resumed>) = 1 [pid 11313] <... futex resumed>) = 0 [pid 11312] <... sendto resumed>) = 32 [pid 11307] +++ exited with 0 +++ [pid 11305] +++ exited with 0 +++ [pid 11314] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11313] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] recvfrom(4, [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11305, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11313] <... futex resumed>) = 0 [pid 11312] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11311}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11314] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11313] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11312] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... restart_syscall resumed>) = 0 [pid 11314] <... sendto resumed>) = 32 [pid 11312] <... futex resumed>) = 1 [pid 11311] <... futex resumed>) = 0 [pid 11314] recvfrom(4, [pid 11312] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11311] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11314] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11313}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11311] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11314] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] getsockname(4, [pid 11311] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... openat resumed>) = 3 [pid 11314] <... futex resumed>) = 1 [pid 11313] <... futex resumed>) = 0 [pid 11312] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11311, nl_groups=00000000}, [116 => 12]) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11314] getsockname(4, [pid 11313] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11314] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11313, nl_groups=00000000}, [116 => 12]) = 0 [pid 11313] <... futex resumed>) = 0 [pid 11312] <... futex resumed>) = 1 [pid 11311] <... futex resumed>) = 0 [pid 299] close(3 [pid 11314] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11313] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11312] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11311] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 11314] <... futex resumed>) = 0 [pid 11313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11311] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11314] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11313] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11312] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2f\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11311] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11313] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11320 [pid 11314] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x31\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11313] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11320 attached [pid 11320] set_robust_list(0x5555555916a0, 24) = 0 [pid 11320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11320] setpgid(0, 0) = 0 [pid 11320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11320] write(3, "1000", 4) = 4 [pid 11320] close(3) = 0 [pid 11320] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11320] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11320] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11323 attached [pid 11323] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11323] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11320] <... clone3 resumed> => {parent_tid=[11323]}, 88) = 11323 [pid 11320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11320] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11323] <... futex resumed>) = 0 [pid 11320] <... futex resumed>) = 1 [pid 11323] memfd_create("syzkaller", 0 [pid 11320] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11323] <... memfd_create resumed>) = 3 [pid 11323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11309] <... sendmsg resumed>) = 64 [pid 11323] <... mmap resumed>) = 0x7fb91de38000 [pid 11309] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11308] exit_group(0 [pid 11318] <... futex resumed>) = ? [pid 11308] <... exit_group resumed>) = ? [pid 11318] +++ exited with 0 +++ [pid 11323] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11323] munmap(0x7fb91de38000, 138412032) = 0 [pid 11323] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11323] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11323] close(3) = 0 [pid 11323] close(4) = 0 [pid 11323] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11323] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11323] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11323] ioctl(3, LOOP_CLR_FD [pid 11311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11311] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11313] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11311] <... mmap resumed>) = 0x7fb926217000 [pid 11311] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11313] <... futex resumed>) = 0 [pid 11311] <... mprotect resumed>) = 0 [pid 11311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11313] <... mmap resumed>) = 0x7fb926217000 [pid 11311] <... clone3 resumed> => {parent_tid=[11324]}, 88) = 11324 [pid 11311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11311] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11311] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11313] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 11324 attached ) = 0 [pid 11313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11324] set_robust_list(0x7fb9262379a0, 24 [pid 11313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11324] <... set_robust_list resumed>) = 0 [pid 11324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11324] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11324] <... bpf resumed>) = 5 [pid 11324] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11311] <... futex resumed>) = 0 [pid 11324] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11311] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11324] <... bpf resumed>) = 0 [pid 11311] <... futex resumed>) = 0 [pid 11324] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11311] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11324] <... futex resumed>) = 0 [pid 11311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11311] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11324] <... bpf resumed>) = 6 [pid 11313] <... clone3 resumed> => {parent_tid=[11325]}, 88) = 11325 [pid 11311] <... futex resumed>) = 0 [pid 11324] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11311] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11324] <... futex resumed>) = 0 [pid 11313] rt_sigprocmask(SIG_SETMASK, [], [pid 11311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11324] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11311] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11311] <... futex resumed>) = 0 [pid 11313] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11311] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11313] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11325 attached [pid 11313] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11325] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11325] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11313] <... futex resumed>) = 0 [pid 11313] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11313] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11325] <... futex resumed>) = 1 [pid 11325] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11313] <... futex resumed>) = 0 [pid 11313] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11313] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11325] <... futex resumed>) = 1 [pid 11325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11324] <... bpf resumed>) = 7 [pid 11309] +++ exited with 0 +++ [pid 11308] +++ exited with 0 +++ [pid 11306] <... sendmsg resumed>) = 64 [pid 11324] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11304] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11308, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11324] <... futex resumed>) = 1 [pid 11319] <... futex resumed>) = ? [pid 11311] <... futex resumed>) = 0 [pid 11306] <... futex resumed>) = ? [pid 11304] <... exit_group resumed>) = ? [pid 11324] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11319] +++ exited with 0 +++ [pid 11311] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11306] +++ exited with 0 +++ [pid 11324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11311] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11311] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... openat resumed>) = 3 [pid 11324] <... bpf resumed>) = 8 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11324] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11324] <... futex resumed>) = 1 [pid 11311] <... futex resumed>) = 0 [pid 298] close(3 [pid 11325] <... futex resumed>) = 1 [pid 11324] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11313] <... futex resumed>) = 0 [pid 11311] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 11325] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11313] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11313] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11311] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11324] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11311] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11326 ./strace-static-x86_64: Process 11326 attached [pid 11326] set_robust_list(0x5555555916a0, 24) = 0 [pid 11326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11326] setpgid(0, 0) = 0 [pid 11326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11326] write(3, "1000", 4) = 4 [pid 11326] close(3) = 0 [pid 11323] <... ioctl resumed>) = 0 [pid 11326] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11323] close(3 [pid 11326] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11326] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11323] <... close resumed>) = 0 [pid 11326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11327]}, 88) = 11327 [pid 11326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11326] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11326] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11327 attached [pid 11327] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11323] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11320] <... futex resumed>) = 0 [pid 11323] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11320] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11320] <... futex resumed>) = 0 [pid 11323] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11320] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11323] <... socket resumed>) = 3 [pid 11323] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11320] <... futex resumed>) = 0 [pid 11323] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11320] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11320] <... futex resumed>) = 0 [pid 11323] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11320] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11323] <... socket resumed>) = 4 [pid 11323] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11320] <... futex resumed>) = 0 [pid 11320] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11323] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11320] <... futex resumed>) = 0 [pid 11323] <... sendto resumed>) = 32 [pid 11320] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11323] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11320}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11323] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11320] <... futex resumed>) = 0 [pid 11323] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11320] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11320] <... futex resumed>) = 0 [pid 11323] getsockname(4, [pid 11320] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11323] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11320, nl_groups=00000000}, [116 => 12]) = 0 [pid 11323] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11320] <... futex resumed>) = 0 [pid 11323] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11320] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11325] <... bpf resumed>) = 7 [pid 11304] +++ exited with 0 +++ [pid 11324] <... bpf resumed>) = 9 [pid 11320] <... futex resumed>) = 0 [pid 11325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11324] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11320] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11304, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11325] <... futex resumed>) = 1 [pid 11324] <... futex resumed>) = 1 [pid 11323] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x38\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11313] <... futex resumed>) = 0 [pid 11311] <... futex resumed>) = 0 [pid 11324] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11313] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11313] <... futex resumed>) = 0 [pid 11313] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 294] <... restart_syscall resumed>) = 0 [pid 11327] memfd_create("syzkaller", 0) = 3 [pid 11327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11327] <... mmap resumed>) = 0x7fb91de38000 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11329 [pid 11325] <... bpf resumed>) = 8 [pid 11325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11313] <... futex resumed>) = 0 [pid 11325] <... futex resumed>) = 1 [pid 11313] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11325] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11313] <... futex resumed>) = 0 [pid 11313] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11327] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11325] <... bpf resumed>) = 9 [ 159.502848][T11323] loop3: detected capacity change from 0 to 256 [ 159.511725][T11323] exfat: Bad value for 'uid' [pid 11325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11313] <... futex resumed>) = 0 [pid 11325] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11327] <... write resumed>) = 131072 [pid 11327] munmap(0x7fb91de38000, 138412032) = 0 [pid 11327] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 11329 attached ) = 4 [pid 11329] set_robust_list(0x5555555916a0, 24 [pid 11327] ioctl(4, LOOP_SET_FD, 3 [pid 11329] <... set_robust_list resumed>) = 0 [pid 11327] <... ioctl resumed>) = 0 [pid 11329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11329] setpgid(0, 0) = 0 [pid 11327] close(3) = 0 [pid 11329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11327] close(4) = 0 [pid 11329] <... openat resumed>) = 3 [pid 11327] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11327] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11329] write(3, "1000", 4) = 4 [pid 11329] close(3) = 0 [pid 11329] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11327] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11327] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11327] ioctl(3, LOOP_CLR_FD) = 0 [pid 11327] close(3) = 0 [pid 11327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11326] <... futex resumed>) = 0 [pid 11329] <... futex resumed>) = 0 [pid 11326] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11329] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11326] <... futex resumed>) = 0 [pid 11329] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11326] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11312] <... sendmsg resumed>) = 64 [pid 11329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11312] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11311] exit_group(0 [pid 11329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11324] <... futex resumed>) = ? [pid 11312] <... futex resumed>) = ? [pid 11311] <... exit_group resumed>) = ? [pid 11329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11324] +++ exited with 0 +++ [pid 11312] +++ exited with 0 +++ [pid 11329] <... mmap resumed>) = 0x7fb926238000 [pid 11329] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11327] <... futex resumed>) = 1 [pid 11329] <... mprotect resumed>) = 0 [pid 11327] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11326] <... futex resumed>) = 0 [pid 11326] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11329] <... clone3 resumed> => {parent_tid=[11330]}, 88) = 11330 [pid 11326] <... futex resumed>) = 0 [pid 11329] rt_sigprocmask(SIG_SETMASK, [], [pid 11326] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11327] <... futex resumed>) = 1 [pid 11327] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11326] <... futex resumed>) = 0 [pid 11327] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11326] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11327] <... sendto resumed>) = 32 [pid 11326] <... futex resumed>) = 0 [pid 11327] recvfrom(4, [pid 11326] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11327] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11326}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 ./strace-static-x86_64: Process 11330 attached [pid 11327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11326] <... futex resumed>) = 0 [pid 11327] getsockname(4, [pid 11326] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11327] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11326, nl_groups=00000000}, [116 => 12]) = 0 [pid 11326] <... futex resumed>) = 0 [pid 11327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11326] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11327] <... futex resumed>) = 0 [pid 11326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11327] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3e\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11326] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11326] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11330] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11330] memfd_create("syzkaller", 0) = 3 [pid 11330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11330] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11330] munmap(0x7fb91de38000, 138412032) = 0 [pid 11330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11330] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11330] close(3) = 0 [pid 11330] close(4) = 0 [pid 11330] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11330] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11320] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11330] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11320] <... mmap resumed>) = 0x7fb926217000 [pid 11330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11330] ioctl(3, LOOP_CLR_FD) = 0 [pid 11330] close(3) = 0 [pid 11330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11320] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11330] <... futex resumed>) = 1 [pid 11330] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11329] <... futex resumed>) = 0 [pid 11329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11320] <... mprotect resumed>) = 0 [pid 11329] <... futex resumed>) = 1 [pid 11329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11333]}, 88) = 11333 [pid 11320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11320] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11320] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11330] <... futex resumed>) = 0 [pid 11330] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 ./strace-static-x86_64: Process 11333 attached [pid 11333] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11333] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11333] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11330] <... futex resumed>) = 1 [pid 11329] <... futex resumed>) = 0 [pid 11333] <... futex resumed>) = 1 [pid 11329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11320] <... futex resumed>) = 0 [pid 11333] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11330] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11329] <... futex resumed>) = 0 [pid 11320] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11320] <... futex resumed>) = 0 [pid 11333] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11320] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11333] <... bpf resumed>) = 0 [pid 11333] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11320] <... futex resumed>) = 0 [pid 11333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11330] <... socket resumed>) = 4 [pid 11320] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11333] <... bpf resumed>) = 6 [pid 11330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11320] <... futex resumed>) = 0 [pid 11333] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11330] <... futex resumed>) = 1 [pid 11329] <... futex resumed>) = 0 [pid 11320] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11333] <... futex resumed>) = 0 [pid 11330] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11333] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11330] <... sendto resumed>) = 32 [pid 11329] <... futex resumed>) = 0 [pid 11320] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11330] recvfrom(4, [pid 11329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11320] <... futex resumed>) = 0 [pid 11330] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11329}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11320] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11330] <... futex resumed>) = 1 [pid 11329] <... futex resumed>) = 0 [pid 11330] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11314] <... sendmsg resumed>) = 64 [pid 11311] +++ exited with 0 +++ [pid 11333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11330] getsockname(4, [pid 11329] <... futex resumed>) = 0 [pid 11314] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11330] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11329, nl_groups=00000000}, [116 => 12]) = 0 [pid 11329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11314] <... futex resumed>) = 0 [pid 11333] <... bpf resumed>) = 7 [pid 11330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11314] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11333] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11330] <... futex resumed>) = 0 [pid 11329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11333] <... futex resumed>) = 1 [pid 11330] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x41\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11329] <... futex resumed>) = 0 [pid 11320] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 11333] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11320] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11313] exit_group(0 [pid 11333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11325] <... futex resumed>) = ? [pid 11320] <... futex resumed>) = 0 [pid 11314] <... futex resumed>) = ? [pid 11313] <... exit_group resumed>) = ? [pid 11333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11325] +++ exited with 0 +++ [pid 11320] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11314] +++ exited with 0 +++ [pid 300] ioctl(3, LOOP_CLR_FD [pid 11333] <... bpf resumed>) = 8 [pid 11333] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11333] <... futex resumed>) = 1 [pid 11320] <... futex resumed>) = 0 [pid 300] close(3 [pid 11333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11320] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... close resumed>) = 0 [pid 11320] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11320] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11335 ./strace-static-x86_64: Process 11335 attached [pid 11335] set_robust_list(0x5555555916a0, 24) = 0 [pid 11335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11335] setpgid(0, 0) = 0 [pid 11335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11335] write(3, "1000", 4) = 4 [pid 11335] close(3) = 0 [pid 11335] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11335] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11335] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11336 attached => {parent_tid=[11336]}, 88) = 11336 [pid 11335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11335] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11335] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11336] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11336] memfd_create("syzkaller", 0) = 3 [pid 11336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11326] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11326] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11336] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11326] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11336] <... write resumed>) = 131072 [pid 11326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11336] munmap(0x7fb91de38000, 138412032 [pid 11326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11313] +++ exited with 0 +++ ./strace-static-x86_64: Process 11337 attached [pid 11336] <... munmap resumed>) = 0 [pid 11333] <... bpf resumed>) = 9 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11313, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11337] set_robust_list(0x7fb9262379a0, 24 [pid 11336] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11333] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11326] <... clone3 resumed> => {parent_tid=[11337]}, 88) = 11337 [pid 11337] <... set_robust_list resumed>) = 0 [pid 11336] <... openat resumed>) = 4 [pid 11333] <... futex resumed>) = 1 [pid 11326] rt_sigprocmask(SIG_SETMASK, [], [pid 11320] <... futex resumed>) = 0 [pid 11337] rt_sigprocmask(SIG_SETMASK, [], [pid 11336] ioctl(4, LOOP_SET_FD, 3 [pid 11333] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11326] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 159.568082][T11327] loop2: detected capacity change from 0 to 256 [ 159.580278][T11327] exfat: Bad value for 'uid' [ 159.598553][T11330] loop0: detected capacity change from 0 to 256 [ 159.605853][T11330] exfat: Bad value for 'uid' [pid 11326] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11326] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11336] <... ioctl resumed>) = 0 [pid 11337] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11336] close(3 [pid 11337] <... bpf resumed>) = 5 [pid 11337] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... close resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11338 [pid 11337] <... futex resumed>) = 1 [pid 11326] <... futex resumed>) = 0 [pid 11337] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11336] close(4 [pid 11326] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11336] <... close resumed>) = 0 [pid 11326] <... futex resumed>) = 0 [pid 11337] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11336] mkdir("./file0", 0777 [pid 11326] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11337] <... bpf resumed>) = 0 [pid 11336] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11337] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11338 attached [pid 11337] <... futex resumed>) = 1 [pid 11326] <... futex resumed>) = 0 [pid 11338] set_robust_list(0x5555555916a0, 24) = 0 [pid 11338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11338] setpgid(0, 0) = 0 [pid 11338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11336] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11326] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11337] <... bpf resumed>) = 6 [pid 11336] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11326] <... futex resumed>) = 0 [pid 11337] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... openat resumed>) = 3 [pid 11326] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11337] <... futex resumed>) = 0 [pid 11336] ioctl(3, LOOP_CLR_FD [pid 11326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11338] <... openat resumed>) = 3 [pid 11337] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11326] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11326] <... futex resumed>) = 0 [pid 11338] write(3, "1000", 4 [pid 11337] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11326] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11338] <... write resumed>) = 4 [pid 11337] <... bpf resumed>) = 7 [pid 11337] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11326] <... futex resumed>) = 0 [pid 11338] close(3 [pid 11337] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11326] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11326] <... futex resumed>) = 0 [pid 11337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11326] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11338] <... close resumed>) = 0 [pid 11338] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11337] <... bpf resumed>) = 8 [pid 11338] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11337] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11337] <... futex resumed>) = 1 [pid 11326] <... futex resumed>) = 0 [pid 11338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11337] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11326] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11326] <... futex resumed>) = 0 [pid 11337] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11338] <... mmap resumed>) = 0x7fb926238000 [pid 11326] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11338] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11337] <... bpf resumed>) = 9 [pid 11338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11337] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11337] <... futex resumed>) = 1 [pid 11326] <... futex resumed>) = 0 [pid 11337] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11338] <... clone3 resumed> => {parent_tid=[11339]}, 88) = 11339 ./strace-static-x86_64: Process 11339 attached [pid 11338] rt_sigprocmask(SIG_SETMASK, [], [pid 11339] set_robust_list(0x7fb9262589a0, 24 [pid 11338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11338] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11339] <... set_robust_list resumed>) = 0 [pid 11338] <... futex resumed>) = 0 [pid 11338] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11339] memfd_create("syzkaller", 0) = 3 [pid 11339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11339] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11339] munmap(0x7fb91de38000, 138412032) = 0 [pid 11339] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11339] ioctl(4, LOOP_SET_FD, 3 [pid 11329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11339] <... ioctl resumed>) = 0 [pid 11329] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11339] close(3 [pid 11329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11339] <... close resumed>) = 0 [pid 11329] <... mmap resumed>) = 0x7fb926217000 [pid 11339] close(4 [pid 11329] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11339] <... close resumed>) = 0 [pid 11329] <... mprotect resumed>) = 0 [pid 11339] mkdir("./file0", 0777 [pid 11329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11339] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11339] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11340]}, 88) = 11340 ./strace-static-x86_64: Process 11340 attached [pid 11340] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11340] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11340] <... futex resumed>) = 0 [pid 11340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11329] <... futex resumed>) = 0 [pid 11329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11340] <... futex resumed>) = 1 [pid 11340] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11339] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11329] <... futex resumed>) = 0 [pid 11329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11339] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11340] <... bpf resumed>) = 6 [pid 11336] <... ioctl resumed>) = 0 [pid 11323] <... sendmsg resumed>) = 64 [pid 11336] close(3) = 0 [pid 11336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11339] ioctl(3, LOOP_CLR_FD [pid 11340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11329] <... futex resumed>) = 0 [pid 11323] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11335] <... futex resumed>) = 0 [pid 11329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11323] <... futex resumed>) = 0 [pid 11320] exit_group(0 [pid 11340] <... bpf resumed>) = 7 [pid 11335] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11333] <... futex resumed>) = ? [pid 11329] <... futex resumed>) = 0 [pid 11320] <... exit_group resumed>) = ? [pid 11340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... futex resumed>) = 0 [pid 11335] <... futex resumed>) = 1 [pid 11333] +++ exited with 0 +++ [pid 11329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11340] <... futex resumed>) = 0 [pid 11336] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11335] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... socket resumed>) = 3 [pid 11329] <... futex resumed>) = 0 [pid 11336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11336] <... futex resumed>) = 1 [pid 11335] <... futex resumed>) = 0 [pid 11336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11335] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11335] <... futex resumed>) = 0 [pid 11336] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11335] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11336] <... socket resumed>) = 4 [pid 11336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11335] <... futex resumed>) = 0 [pid 11336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11335] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11335] <... futex resumed>) = 0 [pid 11336] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11335] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11336] <... sendto resumed>) = 32 [pid 11336] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11335}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11340] <... bpf resumed>) = 8 [pid 11336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... futex resumed>) = 1 [pid 11335] <... futex resumed>) = 0 [pid 11336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11335] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11335] <... futex resumed>) = 0 [pid 11329] <... futex resumed>) = 0 [pid 11336] getsockname(4, [pid 11335] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11340] <... futex resumed>) = 1 [pid 11336] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11335, nl_groups=00000000}, [116 => 12]) = 0 [pid 11329] <... futex resumed>) = 0 [pid 11340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11336] <... futex resumed>) = 1 [pid 11335] <... futex resumed>) = 0 [pid 11336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11335] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11335] <... futex resumed>) = 0 [pid 11336] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x47\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11335] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11340] <... bpf resumed>) = 9 [pid 11340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11323] +++ exited with 0 +++ [pid 11320] +++ exited with 0 +++ [pid 11340] <... futex resumed>) = 1 [pid 11329] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11320, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11340] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11342 ./strace-static-x86_64: Process 11342 attached [pid 11342] set_robust_list(0x5555555916a0, 24) = 0 [pid 11342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11342] setpgid(0, 0) = 0 [pid 11342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11342] write(3, "1000", 4) = 4 [pid 11342] close(3) = 0 [pid 11342] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11342] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11342] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11339] <... ioctl resumed>) = 0 [pid 11339] close(3) = 0 [ 159.648612][T11336] loop4: detected capacity change from 0 to 256 [ 159.657293][T11336] exfat: Bad value for 'uid' [ 159.676685][T11339] loop1: detected capacity change from 0 to 256 [ 159.690146][T11339] exfat: Bad value for 'uid' [pid 11339] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11338] <... futex resumed>) = 0 [pid 11339] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11338] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11338] <... futex resumed>) = 0 [pid 11339] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11338] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11339] <... socket resumed>) = 3 [pid 11342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11339] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11339] <... futex resumed>) = 1 [pid 11338] <... futex resumed>) = 0 [pid 11339] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11338] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] <... clone3 resumed> => {parent_tid=[11343]}, 88) = 11343 [pid 11339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11338] <... futex resumed>) = 0 [pid 11342] rt_sigprocmask(SIG_SETMASK, [], [pid 11339] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11338] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11339] <... socket resumed>) = 4 [pid 11342] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11339] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] <... futex resumed>) = 0 [pid 11339] <... futex resumed>) = 1 [pid 11338] <... futex resumed>) = 0 [pid 11342] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11339] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11338] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11338] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11339] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12./strace-static-x86_64: Process 11343 attached ) = 32 [pid 11343] set_robust_list(0x7fb9262589a0, 24 [pid 11339] recvfrom(4, [pid 11343] <... set_robust_list resumed>) = 0 [pid 11339] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11338}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11343] rt_sigprocmask(SIG_SETMASK, [], [pid 11339] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11339] <... futex resumed>) = 1 [pid 11338] <... futex resumed>) = 0 [pid 11343] memfd_create("syzkaller", 0 [pid 11339] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11338] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11343] <... memfd_create resumed>) = 3 [pid 11339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11338] <... futex resumed>) = 0 [pid 11339] getsockname(4, [pid 11338] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11339] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11338, nl_groups=00000000}, [116 => 12]) = 0 [pid 11339] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11339] <... futex resumed>) = 1 [pid 11338] <... futex resumed>) = 0 [pid 11339] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11338] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11339] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4a\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11338] <... futex resumed>) = 0 [pid 11343] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11338] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11343] <... write resumed>) = 131072 [pid 11343] munmap(0x7fb91de38000, 138412032) = 0 [pid 11343] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11343] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11343] close(3) = 0 [pid 11343] close(4) = 0 [pid 11343] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11343] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11330] <... sendmsg resumed>) = 64 [pid 11327] <... sendmsg resumed>) = 64 [pid 11335] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11343] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11335] <... futex resumed>) = 0 [pid 11330] <... futex resumed>) = 0 [pid 11327] <... futex resumed>) = 0 [pid 11343] <... openat resumed>) = 3 [pid 11335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11330] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11327] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11335] <... mmap resumed>) = 0x7fb926217000 [pid 11335] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11329] exit_group(0 [pid 11335] <... mprotect resumed>) = 0 [pid 11326] exit_group(0 [pid 11340] <... futex resumed>) = ? [pid 11335] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11330] <... futex resumed>) = ? [pid 11329] <... exit_group resumed>) = ? [pid 11340] +++ exited with 0 +++ [pid 11337] <... futex resumed>) = ? [pid 11335] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11330] +++ exited with 0 +++ [pid 11327] <... futex resumed>) = ? [pid 11326] <... exit_group resumed>) = ? [pid 11335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11345]}, 88) = 11345 [pid 11335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11335] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11335] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11343] ioctl(3, LOOP_CLR_FD [pid 11337] +++ exited with 0 +++ [pid 11329] +++ exited with 0 +++ [pid 11327] +++ exited with 0 +++ ./strace-static-x86_64: Process 11345 attached [pid 11345] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11326] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11345] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11329, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11345] <... bpf resumed>) = 5 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... openat resumed>) = 3 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 298] ioctl(3, LOOP_CLR_FD [pid 11335] <... futex resumed>) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] <... openat resumed>) = 3 [pid 11335] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] close(3 [pid 11335] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11335] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... close resumed>) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] close(3 [pid 11345] <... futex resumed>) = 1 [pid 11345] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11335] <... futex resumed>) = 0 [pid 11335] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11335] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11345] <... futex resumed>) = 1 [pid 11345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 294] <... close resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11346 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11347 [pid 11345] <... bpf resumed>) = 6 [pid 11345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11335] <... futex resumed>) = 0 [pid 11335] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11335] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11345] <... futex resumed>) = 1 [pid 11345] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 11346 attached [pid 11346] set_robust_list(0x5555555916a0, 24) = 0 [pid 11346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11346] setpgid(0, 0) = 0 [pid 11346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11346] write(3, "1000", 4) = 4 [pid 11346] close(3) = 0 [pid 11346] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11346] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11346] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11348]}, 88) = 11348 [pid 11346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11346] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11346] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11348 attached [pid 11343] <... ioctl resumed>) = 0 [pid 11343] close(3) = 0 [pid 11343] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11342] <... futex resumed>) = 0 [pid 11343] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11342] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11343] <... socket resumed>) = 3 [pid 11342] <... futex resumed>) = 0 [pid 11343] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11343] <... futex resumed>) = 0 [pid 11342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11343] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11342] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11343] <... socket resumed>) = 4 [pid 11342] <... futex resumed>) = 0 [pid 11343] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11343] <... futex resumed>) = 0 [pid 11342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11343] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11342] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11343] <... sendto resumed>) = 32 [pid 11342] <... futex resumed>) = 0 [pid 11343] recvfrom(4, [pid 11342] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11343] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11342}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11343] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11342] <... futex resumed>) = 0 [pid 11343] getsockname(4, [pid 11342] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11343] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11342, nl_groups=00000000}, [116 => 12]) = 0 [pid 11342] <... futex resumed>) = 0 [pid 11343] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11343] <... futex resumed>) = 0 [pid 11342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11343] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4e\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11342] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11342] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11348] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11348] memfd_create("syzkaller", 0) = 3 [pid 11348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11348] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 11347 attached [pid 11347] set_robust_list(0x5555555916a0, 24 [pid 11348] <... write resumed>) = 131072 [pid 11348] munmap(0x7fb91de38000, 138412032) = 0 [pid 11348] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11348] ioctl(4, LOOP_SET_FD, 3 [pid 11347] <... set_robust_list resumed>) = 0 [pid 11347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11347] setpgid(0, 0) = 0 [pid 11347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11338] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11338] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11347] <... openat resumed>) = 3 [pid 11347] write(3, "1000", 4 [pid 11348] <... ioctl resumed>) = 0 [pid 11347] <... write resumed>) = 4 [pid 11338] <... futex resumed>) = 0 [pid 11338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11338] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11350]}, 88) = 11350 [pid 11338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11338] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11338] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11347] close(3) = 0 [pid 11347] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11347] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 11350 attached [pid 11347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11345] <... bpf resumed>) = 7 [pid 11350] set_robust_list(0x7fb9262379a0, 24 [pid 11345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11347] <... mmap resumed>) = 0x7fb926238000 [pid 11350] <... set_robust_list resumed>) = 0 [pid 11350] rt_sigprocmask(SIG_SETMASK, [], [pid 11345] <... futex resumed>) = 1 [pid 11347] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11345] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11335] <... futex resumed>) = 0 [pid 11347] <... mprotect resumed>) = 0 [pid 11335] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11345] <... futex resumed>) = 0 [pid 11345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11335] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11350] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11350] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] <... futex resumed>) = 0 [pid 11338] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11338] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11345] <... bpf resumed>) = 8 [pid 11345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11350] <... futex resumed>) = 1 [pid 11345] <... futex resumed>) = 1 [pid 11335] <... futex resumed>) = 0 [pid 11347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11345] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11335] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11350] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11335] <... futex resumed>) = 0 [pid 11345] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11335] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11350] <... bpf resumed>) = 0 [pid 11350] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11345] <... bpf resumed>) = 9 [pid 11347] <... clone3 resumed> => {parent_tid=[11351]}, 88) = 11351 [pid 11345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11338] <... futex resumed>) = 0 [pid 11335] <... futex resumed>) = 0 [pid 11347] rt_sigprocmask(SIG_SETMASK, [], [pid 11345] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11338] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11351 attached [pid 11350] <... futex resumed>) = 1 [pid 11348] close(3 [pid 11347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11338] <... futex resumed>) = 0 [pid 11348] <... close resumed>) = 0 [pid 11347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11348] close(4 [pid 11347] <... futex resumed>) = 0 [pid 11347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11351] set_robust_list(0x7fb9262589a0, 24 [pid 11348] <... close resumed>) = 0 [pid 11351] <... set_robust_list resumed>) = 0 [pid 11351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11351] memfd_create("syzkaller", 0) = 3 [pid 11351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11348] mkdir("./file0", 0777 [pid 11351] <... mmap resumed>) = 0x7fb91de38000 [pid 11348] <... mkdir resumed>) = -1 EEXIST (File exists) [ 159.743775][T11343] loop3: detected capacity change from 0 to 256 [ 159.750857][T11343] exfat: Bad value for 'uid' [ 159.783821][T11348] loop2: detected capacity change from 0 to 256 [pid 11351] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11348] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11351] <... write resumed>) = 131072 [pid 11351] munmap(0x7fb91de38000, 138412032) = 0 [pid 11351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11351] ioctl(4, LOOP_SET_FD, 3 [pid 11350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11348] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11350] <... bpf resumed>) = 6 [pid 11350] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] <... futex resumed>) = 0 [pid 11338] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11338] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11350] <... futex resumed>) = 1 [pid 11350] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11351] <... ioctl resumed>) = 0 [pid 11351] close(3) = 0 [pid 11351] close(4 [pid 11350] <... bpf resumed>) = 7 [pid 11348] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11351] <... close resumed>) = 0 [pid 11350] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11351] mkdir("./file0", 0777 [pid 11350] <... futex resumed>) = 1 [pid 11348] <... openat resumed>) = 3 [pid 11350] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11351] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11348] ioctl(3, LOOP_CLR_FD [pid 11351] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11338] <... futex resumed>) = 0 [pid 11338] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11338] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11350] <... futex resumed>) = 0 [pid 11350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11350] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] <... futex resumed>) = 0 [pid 11351] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11338] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11350] <... futex resumed>) = 1 [pid 11351] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11350] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11338] <... futex resumed>) = 0 [pid 11351] <... openat resumed>) = 3 [pid 11338] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11351] ioctl(3, LOOP_CLR_FD [pid 11350] <... bpf resumed>) = 9 [pid 11350] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] <... futex resumed>) = 0 [pid 11350] <... futex resumed>) = 1 [pid 11350] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11342] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11342] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11342] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11342] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11352 attached => {parent_tid=[11352]}, 88) = 11352 [pid 11352] set_robust_list(0x7fb9262379a0, 24 [pid 11342] rt_sigprocmask(SIG_SETMASK, [], [pid 11352] <... set_robust_list resumed>) = 0 [pid 11352] rt_sigprocmask(SIG_SETMASK, [], [pid 11342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11342] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11352] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11342] <... futex resumed>) = 0 [pid 11352] <... bpf resumed>) = 5 [pid 11342] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11352] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] <... futex resumed>) = 0 [pid 11352] <... futex resumed>) = 1 [pid 11342] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11342] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11352] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11336] <... sendmsg resumed>) = 64 [pid 11352] <... bpf resumed>) = 0 [pid 11336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11335] exit_group(0 [pid 11352] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11345] <... futex resumed>) = ? [pid 11336] <... futex resumed>) = ? [pid 11335] <... exit_group resumed>) = ? [pid 11345] +++ exited with 0 +++ [pid 11336] +++ exited with 0 +++ [pid 11352] <... futex resumed>) = 1 [pid 11352] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11342] <... futex resumed>) = 0 [pid 11342] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11342] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11352] <... futex resumed>) = 0 [pid 11352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11352] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11342] <... futex resumed>) = 0 [pid 11352] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11342] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11342] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11348] <... ioctl resumed>) = 0 [pid 11348] close(3) = 0 [pid 11348] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11348] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11346] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11346] <... futex resumed>) = 0 [pid 11348] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11346] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11348] <... socket resumed>) = 3 [pid 11348] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11348] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11346] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11346] <... futex resumed>) = 0 [pid 11348] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11346] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11348] <... socket resumed>) = 4 [pid 11348] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11346] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11346] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11348] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11348] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11346}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11348] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11348] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [ 159.805441][T11348] exfat: Bad value for 'uid' [ 159.806322][T11351] loop0: detected capacity change from 0 to 256 [ 159.823966][T11351] exfat: Bad value for 'uid' [pid 11346] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11346] <... futex resumed>) = 0 [pid 11348] getsockname(4, [pid 11346] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11348] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11346, nl_groups=00000000}, [116 => 12]) = 0 [pid 11348] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11348] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11346] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11346] <... futex resumed>) = 0 [pid 11348] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x52\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11346] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11352] <... bpf resumed>) = 7 [pid 11351] <... ioctl resumed>) = 0 [pid 11339] <... sendmsg resumed>) = 64 [pid 11335] +++ exited with 0 +++ [pid 11352] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11351] close(3 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11352] <... futex resumed>) = 1 [pid 11351] <... close resumed>) = 0 [pid 11342] <... futex resumed>) = 0 [pid 11339] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] exit_group(0 [pid 11352] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11350] <... futex resumed>) = ? [pid 11342] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11339] <... futex resumed>) = ? [pid 11338] <... exit_group resumed>) = ? [pid 11352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11351] <... futex resumed>) = 1 [pid 11350] +++ exited with 0 +++ [pid 11347] <... futex resumed>) = 0 [pid 11342] <... futex resumed>) = 0 [pid 11339] +++ exited with 0 +++ [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... openat resumed>) = 3 [pid 11352] <... bpf resumed>) = 8 [pid 11351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11347] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11352] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11351] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11352] <... futex resumed>) = 1 [pid 11351] <... socket resumed>) = 3 [pid 11342] <... futex resumed>) = 0 [pid 300] close(3 [pid 11352] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... close resumed>) = 0 [pid 11352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11351] <... futex resumed>) = 1 [pid 11347] <... futex resumed>) = 0 [pid 11342] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11352] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11342] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11347] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11354 [pid 11351] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11351] <... socket resumed>) = 4 [pid 11351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11347] <... futex resumed>) = 0 [pid 11351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11347] <... futex resumed>) = 0 [pid 11351] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11351] <... sendto resumed>) = 32 [pid 11351] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11347}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11347] <... futex resumed>) = 0 [pid 11351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11347] <... futex resumed>) = 0 [pid 11351] getsockname(4, [pid 11347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11351] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11347, nl_groups=00000000}, [116 => 12]) = 0 [pid 11351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11347] <... futex resumed>) = 0 [pid 11351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11347] <... futex resumed>) = 0 [pid 11351] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x53\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11354 attached [pid 11354] set_robust_list(0x5555555916a0, 24) = 0 [pid 11354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11354] setpgid(0, 0) = 0 [pid 11354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11354] write(3, "1000", 4) = 4 [pid 11354] close(3) = 0 [pid 11354] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11354] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11354] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11356]}, 88) = 11356 [pid 11354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11354] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11356 attached [pid 11356] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11356] memfd_create("syzkaller", 0) = 3 [pid 11356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11356] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11356] munmap(0x7fb91de38000, 138412032) = 0 [pid 11356] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11356] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11356] close(3) = 0 [pid 11356] close(4) = 0 [pid 11356] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11356] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11343] <... sendmsg resumed>) = 64 [pid 11352] <... bpf resumed>) = 9 [pid 11343] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11338] +++ exited with 0 +++ [pid 11356] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11356] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11343] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11352] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11356] <... openat resumed>) = 3 [pid 11356] ioctl(3, LOOP_CLR_FD) = 0 [pid 11356] close(3 [pid 11352] <... futex resumed>) = 1 [pid 11343] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11342] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11352] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11342] exit_group(0) = ? [pid 297] <... openat resumed>) = 3 [pid 11343] <... futex resumed>) = ? [pid 297] ioctl(3, LOOP_CLR_FD [pid 11352] <... futex resumed>) = ? [pid 11343] +++ exited with 0 +++ [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11356] <... close resumed>) = 0 [pid 11356] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] <... futex resumed>) = 0 [pid 11354] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11352] +++ exited with 0 +++ [pid 11342] +++ exited with 0 +++ [pid 297] close(3) = 0 [pid 11354] <... futex resumed>) = 0 [pid 11354] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11342, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11357 [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11346] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11346] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11358 [pid 11346] <... futex resumed>) = 0 [pid 11346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11346] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11359]}, 88) = 11359 [pid 11346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11346] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11346] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11356] <... futex resumed>) = 1 [pid 11356] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11356] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] <... futex resumed>) = 0 [pid 11354] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11356] <... futex resumed>) = 1 [pid 11356] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11356] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11359 attached ./strace-static-x86_64: Process 11357 attached ./strace-static-x86_64: Process 11358 attached [pid 11359] set_robust_list(0x7fb9262379a0, 24 [pid 11357] set_robust_list(0x5555555916a0, 24 [pid 11356] <... futex resumed>) = 1 [pid 11354] <... futex resumed>) = 0 [pid 11354] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11359] <... set_robust_list resumed>) = 0 [pid 11359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11359] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11358] set_robust_list(0x5555555916a0, 24 [pid 11357] <... set_robust_list resumed>) = 0 [pid 11359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11359] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11346] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11346] <... futex resumed>) = 0 [pid 11359] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11357] <... prctl resumed>) = 0 [pid 11346] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11359] <... bpf resumed>) = 0 [pid 11359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] setpgid(0, 0 [pid 11359] <... futex resumed>) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11359] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11357] <... setpgid resumed>) = 0 [pid 11346] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11356] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11346] <... futex resumed>) = 0 [pid 11359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11358] <... set_robust_list resumed>) = 0 [pid 11357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11346] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11356] <... sendto resumed>) = 32 [pid 11359] <... bpf resumed>) = 6 [pid 11357] <... openat resumed>) = 3 [pid 11359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11358] <... prctl resumed>) = 0 [pid 11357] write(3, "1000", 4 [pid 11356] recvfrom(4, [pid 11359] <... futex resumed>) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11359] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11358] setpgid(0, 0 [pid 11357] <... write resumed>) = 4 [pid 11356] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11354}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11346] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11358] <... setpgid resumed>) = 0 [pid 11357] close(3 [pid 11356] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11346] <... futex resumed>) = 0 [pid 11359] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11346] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11359] <... bpf resumed>) = 7 [pid 11358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11357] <... close resumed>) = 0 [pid 11356] <... futex resumed>) = 1 [pid 11354] <... futex resumed>) = 0 [pid 11359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11359] <... futex resumed>) = 1 [pid 11357] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11356] getsockname(4, [pid 11354] <... futex resumed>) = 0 [pid 11346] <... futex resumed>) = 0 [pid 11359] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11358] <... openat resumed>) = 3 [pid 11357] <... futex resumed>) = 0 [pid 11354] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11346] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11356] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11354, nl_groups=00000000}, [116 => 12]) = 0 [pid 11359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11358] write(3, "1000", 4 [pid 11357] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11346] <... futex resumed>) = 0 [pid 11356] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11358] <... write resumed>) = 4 [pid 11357] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11346] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11358] close(3 [pid 11357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11356] <... futex resumed>) = 1 [pid 11354] <... futex resumed>) = 0 [pid 11358] <... close resumed>) = 0 [pid 11357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11356] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11358] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11358] <... futex resumed>) = 0 [pid 11357] <... mmap resumed>) = 0x7fb926238000 [pid 11358] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11357] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11359] <... bpf resumed>) = 8 [pid 11358] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11357] <... mprotect resumed>) = 0 [pid 11354] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11356] <... futex resumed>) = 0 [pid 11354] <... futex resumed>) = 1 [pid 11359] <... futex resumed>) = 1 [pid 11358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11357] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11356] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5a\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11354] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11346] <... futex resumed>) = 0 [pid 11359] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11357] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11346] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11347] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11346] <... futex resumed>) = 0 [pid 11359] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11358] <... mmap resumed>) = 0x7fb926238000 [pid 11347] <... futex resumed>) = 0 [pid 11346] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11358] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11357] <... clone3 resumed> => {parent_tid=[11361]}, 88) = 11361 [pid 11347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11359] <... bpf resumed>) = 9 [pid 11358] <... mprotect resumed>) = 0 [pid 11357] rt_sigprocmask(SIG_SETMASK, [], [pid 11347] <... mmap resumed>) = 0x7fb926217000 ./strace-static-x86_64: Process 11361 attached [pid 11359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11347] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11359] <... futex resumed>) = 1 [pid 11346] <... futex resumed>) = 0 [pid 11359] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] <... mprotect resumed>) = 0 [pid 11361] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11361] rt_sigprocmask(SIG_SETMASK, [], [pid 11347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11347] <... clone3 resumed> => {parent_tid=[11362]}, 88) = 11362 [pid 11361] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11362 attached [pid 11361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11357] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11362] set_robust_list(0x7fb9262379a0, 24 [pid 11358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11357] <... futex resumed>) = 0 [pid 11347] <... futex resumed>) = 0 [pid 11361] memfd_create("syzkaller", 0 [pid 11358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11357] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11362] <... set_robust_list resumed>) = 0 [pid 11362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11358] <... clone3 resumed> => {parent_tid=[11363]}, 88) = 11363 [pid 11362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11358] rt_sigprocmask(SIG_SETMASK, [], [pid 11361] <... memfd_create resumed>) = 3 [pid 11358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11358] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11362] <... bpf resumed>) = 5 [pid 11358] <... futex resumed>) = 0 [pid 11361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 11363 attached [pid 11362] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11358] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11362] <... futex resumed>) = 1 [pid 11347] <... futex resumed>) = 0 [pid 11347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11362] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11362] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11347] <... futex resumed>) = 0 [pid 11362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11363] set_robust_list(0x7fb9262589a0, 24 [pid 11361] <... mmap resumed>) = 0x7fb91de38000 [pid 11362] <... bpf resumed>) = 6 [pid 11362] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11347] <... futex resumed>) = 0 [pid 11347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 11362] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11347] <... futex resumed>) = 0 [pid 11362] <... bpf resumed>) = 7 [pid 11347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11362] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11362] <... futex resumed>) = 0 [pid 11347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11347] <... futex resumed>) = 0 [pid 11362] <... bpf resumed>) = 8 [pid 11347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11362] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11347] <... futex resumed>) = 0 [pid 11347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11347] <... futex resumed>) = 0 [pid 11363] <... set_robust_list resumed>) = 0 [pid 11361] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11363] rt_sigprocmask(SIG_SETMASK, [], [pid 11362] <... bpf resumed>) = 9 [pid 11362] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11361] <... write resumed>) = 131072 [pid 11363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11362] <... futex resumed>) = 1 [pid 11361] munmap(0x7fb91de38000, 138412032 [pid 11347] <... futex resumed>) = 0 [pid 11363] memfd_create("syzkaller", 0 [pid 11362] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11361] <... munmap resumed>) = 0 [pid 11363] <... memfd_create resumed>) = 3 [pid 11361] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11361] <... openat resumed>) = 4 [pid 11363] <... mmap resumed>) = 0x7fb91de38000 [ 159.897862][T11356] loop4: detected capacity change from 0 to 256 [ 159.905463][T11356] exfat: Bad value for 'uid' [pid 11361] ioctl(4, LOOP_SET_FD, 3 [pid 11363] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11363] munmap(0x7fb91de38000, 138412032) = 0 [pid 11363] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11363] ioctl(4, LOOP_SET_FD, 3 [pid 11361] <... ioctl resumed>) = 0 [pid 11361] close(3) = 0 [pid 11361] close(4 [pid 11363] <... ioctl resumed>) = 0 [pid 11361] <... close resumed>) = 0 [pid 11363] close(3) = 0 [pid 11363] close(4 [pid 11361] mkdir("./file0", 0777 [pid 11363] <... close resumed>) = 0 [pid 11361] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11348] <... sendmsg resumed>) = 64 [pid 11348] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11348] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11346] exit_group(0 [pid 11363] mkdir("./file0", 0777 [pid 11361] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11359] <... futex resumed>) = ? [pid 11348] <... futex resumed>) = ? [pid 11346] <... exit_group resumed>) = ? [pid 11363] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11363] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11359] +++ exited with 0 +++ [pid 11361] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11361] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11361] ioctl(3, LOOP_CLR_FD [pid 11363] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11363] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11363] ioctl(3, LOOP_CLR_FD [pid 11354] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11354] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11354] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11354] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11364]}, 88) = 11364 [pid 11354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11354] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11364 attached [pid 11364] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11364] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11364] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] <... futex resumed>) = 0 [pid 11354] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11364] <... futex resumed>) = 1 [pid 11364] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11364] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] <... futex resumed>) = 0 [pid 11354] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11364] <... futex resumed>) = 1 [pid 11364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11364] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] <... futex resumed>) = 0 [pid 11354] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11354] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11364] <... futex resumed>) = 1 [pid 11364] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11361] <... ioctl resumed>) = 0 [pid 11351] <... sendmsg resumed>) = 64 [pid 11361] close(3) = 0 [pid 11361] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11357] <... futex resumed>) = 0 [pid 11357] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] <... futex resumed>) = 0 [pid 11351] <... futex resumed>) = 0 [pid 11361] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11357] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11347] exit_group(0 [pid 11362] <... futex resumed>) = ? [pid 11351] <... futex resumed>) = ? [pid 11347] <... exit_group resumed>) = ? [pid 11362] +++ exited with 0 +++ [pid 11361] <... socket resumed>) = 3 [pid 11351] +++ exited with 0 +++ [pid 11361] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] <... futex resumed>) = 0 [pid 11357] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11357] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11361] <... futex resumed>) = 1 [pid 11361] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11361] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11357] <... futex resumed>) = 0 [pid 11361] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11357] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11361] <... sendto resumed>) = 32 [pid 11357] <... futex resumed>) = 0 [pid 11361] recvfrom(4, [pid 11357] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11361] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11357}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11361] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11357] <... futex resumed>) = 0 [pid 11361] getsockname(4, [pid 11357] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11361] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11357, nl_groups=00000000}, [116 => 12]) = 0 [pid 11357] <... futex resumed>) = 0 [pid 11361] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11361] <... futex resumed>) = 0 [pid 11357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11361] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5d\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11357] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11357] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11364] <... bpf resumed>) = 7 [pid 11363] <... ioctl resumed>) = 0 [pid 11348] +++ exited with 0 +++ [pid 11346] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11346, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11363] close(3 [pid 298] close(3 [pid 11363] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11366 [pid 11364] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11354] <... futex resumed>) = 0 [pid 11363] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11363] <... futex resumed>) = 1 [pid 11358] <... futex resumed>) = 0 [pid 11354] <... futex resumed>) = 0 [pid 11363] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11358] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11358] <... futex resumed>) = 0 [pid 11363] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11358] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11363] <... socket resumed>) = 3 [pid 11364] <... bpf resumed>) = 8 [pid 11363] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11364] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11363] <... futex resumed>) = 1 [pid 11358] <... futex resumed>) = 0 [pid 11364] <... futex resumed>) = 1 [pid 11364] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11366 attached [pid 11358] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] <... futex resumed>) = 0 [pid 11363] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11358] <... futex resumed>) = 0 [pid 11354] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11363] <... socket resumed>) = 4 [pid 11358] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11364] <... futex resumed>) = 0 [pid 11363] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11354] <... futex resumed>) = 1 [pid 11364] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11363] <... futex resumed>) = 0 [pid 11358] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11354] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11363] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11358] <... futex resumed>) = 0 [pid 11363] <... sendto resumed>) = 32 [pid 11358] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11363] recvfrom(4, [pid 11366] set_robust_list(0x5555555916a0, 24) = 0 [pid 11366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11363] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11358}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11363] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11358] <... futex resumed>) = 0 [pid 11363] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11358] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11358] <... futex resumed>) = 0 [pid 11363] getsockname(4, [pid 11358] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11363] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11358, nl_groups=00000000}, [116 => 12]) = 0 [pid 11363] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11358] <... futex resumed>) = 0 [pid 11363] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11358] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11358] <... futex resumed>) = 0 [pid 11363] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5e\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11358] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11366] <... prctl resumed>) = 0 [pid 11366] setpgid(0, 0) = 0 [pid 11366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11366] write(3, "1000", 4) = 4 [pid 11366] close(3) = 0 [pid 11366] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11366] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11366] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11347] +++ exited with 0 +++ [pid 11366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11356] <... sendmsg resumed>) = 64 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11347, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11364] <... bpf resumed>) = 9 [pid 11356] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11356] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 11366] <... clone3 resumed> => {parent_tid=[11368]}, 88) = 11368 [pid 11364] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11356] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11366] rt_sigprocmask(SIG_SETMASK, [], [pid 11364] <... futex resumed>) = 1 [pid 11354] <... futex resumed>) = 0 [pid 11366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11364] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11354] exit_group(0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11366] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11364] <... futex resumed>) = ? [pid 11356] <... futex resumed>) = ? [pid 11354] <... exit_group resumed>) = ? [pid 294] <... openat resumed>) = 3 [pid 11366] <... futex resumed>) = 0 [pid 11364] +++ exited with 0 +++ [pid 294] ioctl(3, LOOP_CLR_FD [pid 11366] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11356] +++ exited with 0 +++ [pid 11354] +++ exited with 0 +++ [pid 294] close(3) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11354, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 159.952272][T11361] loop1: detected capacity change from 0 to 256 [ 159.955463][T11363] loop3: detected capacity change from 0 to 256 [ 159.969014][T11361] exfat: Bad value for 'uid' [ 159.972589][T11363] exfat: Bad value for 'uid' [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11369 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 11369 attached ./strace-static-x86_64: Process 11368 attached ) = 3 [pid 11369] set_robust_list(0x5555555916a0, 24) = 0 [pid 11368] set_robust_list(0x7fb9262589a0, 24 [pid 11369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11368] <... set_robust_list resumed>) = 0 [pid 11369] setpgid(0, 0) = 0 [pid 11368] rt_sigprocmask(SIG_SETMASK, [], [pid 11369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11369] write(3, "1000", 4) = 4 [pid 11368] memfd_create("syzkaller", 0 [pid 11369] close(3 [pid 11368] <... memfd_create resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11369] <... close resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11369] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11369] <... futex resumed>) = 0 [pid 11369] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11368] <... mmap resumed>) = 0x7fb91de38000 [pid 300] close(3 [pid 11369] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11368] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 300] <... close resumed>) = 0 [pid 11369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11368] <... write resumed>) = 131072 [pid 11369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11368] munmap(0x7fb91de38000, 138412032 [pid 11369] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11368] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 11370 attached [pid 11369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11368] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11370 [pid 11369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11368] <... openat resumed>) = 4 [pid 11369] <... clone3 resumed> => {parent_tid=[11371]}, 88) = 11371 [pid 11368] ioctl(4, LOOP_SET_FD, 3 [pid 11369] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11371 attached [pid 11370] set_robust_list(0x5555555916a0, 24 [pid 11369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11371] set_robust_list(0x7fb9262589a0, 24 [pid 11370] <... set_robust_list resumed>) = 0 [pid 11371] <... set_robust_list resumed>) = 0 [pid 11370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11371] rt_sigprocmask(SIG_SETMASK, [], [pid 11370] <... prctl resumed>) = 0 [pid 11371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11370] setpgid(0, 0 [pid 11371] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11370] <... setpgid resumed>) = 0 [pid 11370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11370] write(3, "1000", 4) = 4 [pid 11370] close(3) = 0 [pid 11370] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11370] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11370] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11369] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 11372 attached [pid 11369] <... futex resumed>) = 1 [pid 11368] close(3 [pid 11372] set_robust_list(0x7fb9262589a0, 24 [pid 11369] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11368] <... close resumed>) = 0 [pid 11372] <... set_robust_list resumed>) = 0 [pid 11368] close(4 [pid 11371] <... futex resumed>) = 0 [pid 11370] <... clone3 resumed> => {parent_tid=[11372]}, 88) = 11372 [pid 11368] <... close resumed>) = 0 [pid 11371] memfd_create("syzkaller", 0 [pid 11370] rt_sigprocmask(SIG_SETMASK, [], [pid 11371] <... memfd_create resumed>) = 3 [pid 11370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11370] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11371] <... mmap resumed>) = 0x7fb91de38000 [pid 11370] <... futex resumed>) = 0 [pid 11372] rt_sigprocmask(SIG_SETMASK, [], [pid 11371] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11370] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11368] mkdir("./file0", 0777 [pid 11357] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11368] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11357] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11372] memfd_create("syzkaller", 0 [pid 11368] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11357] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11371] <... write resumed>) = 131072 [pid 11371] munmap(0x7fb91de38000, 138412032) = 0 [pid 11371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11371] ioctl(4, LOOP_SET_FD, 3 [pid 11372] <... memfd_create resumed>) = 3 [pid 11368] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11357] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11357] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11373]}, 88) = 11373 [pid 11357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11357] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11357] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11372] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11368] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11368] ioctl(3, LOOP_CLR_FD [pid 11372] <... write resumed>) = 131072 [pid 11372] munmap(0x7fb91de38000, 138412032) = 0 [pid 11372] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11372] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11373 attached [pid 11371] <... ioctl resumed>) = 0 [pid 11371] close(3) = 0 [pid 11371] close(4) = 0 [pid 11371] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11371] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11373] set_robust_list(0x7fb9262379a0, 24 [pid 11372] <... ioctl resumed>) = 0 [pid 11358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11373] <... set_robust_list resumed>) = 0 [pid 11372] close(3 [pid 11371] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11358] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11371] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11358] <... futex resumed>) = 0 [pid 11373] rt_sigprocmask(SIG_SETMASK, [], [pid 11372] <... close resumed>) = 0 [pid 11358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11371] <... openat resumed>) = 3 [pid 11358] <... mmap resumed>) = 0x7fb926217000 [pid 11373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11372] close(4 [pid 11358] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11371] ioctl(3, LOOP_CLR_FD [pid 11358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11374]}, 88) = 11374 [pid 11358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11358] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11358] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11374 attached [pid 11374] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11373] <... bpf resumed>) = 5 [pid 11373] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11374] rt_sigprocmask(SIG_SETMASK, [], [pid 11372] <... close resumed>) = 0 [pid 11373] <... futex resumed>) = 1 [pid 11373] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11372] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11374] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11372] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11374] <... bpf resumed>) = 5 [pid 11374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] <... futex resumed>) = 0 [pid 11357] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11357] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11358] <... futex resumed>) = 0 [pid 11358] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11358] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11374] <... futex resumed>) = 1 [pid 11374] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11358] <... futex resumed>) = 0 [pid 11358] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11358] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11374] <... futex resumed>) = 1 [pid 11374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11373] <... futex resumed>) = 0 [pid 11374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11358] <... futex resumed>) = 0 [pid 11358] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11358] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11374] <... futex resumed>) = 1 [pid 11374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11373] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11372] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11373] <... bpf resumed>) = 0 [pid 11372] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11374] <... bpf resumed>) = 7 [pid 11374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11358] <... futex resumed>) = 0 [pid 11358] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11358] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11374] <... futex resumed>) = 1 [pid 11374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11373] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] <... futex resumed>) = 0 [pid 11373] <... futex resumed>) = 1 [pid 11372] <... openat resumed>) = 3 [pid 11357] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11357] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11372] ioctl(3, LOOP_CLR_FD [pid 11374] <... bpf resumed>) = 8 [pid 11373] <... bpf resumed>) = 6 [pid 11374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11373] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11374] <... futex resumed>) = 1 [pid 11358] <... futex resumed>) = 0 [pid 11358] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11373] <... futex resumed>) = 1 [pid 11358] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11357] <... futex resumed>) = 0 [pid 11357] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11357] <... futex resumed>) = 0 [pid 11357] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11373] <... bpf resumed>) = 7 [pid 11373] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11374] <... bpf resumed>) = 9 [pid 11373] <... futex resumed>) = 1 [pid 11357] <... futex resumed>) = 0 [pid 11373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11357] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11357] <... futex resumed>) = 0 [pid 11357] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11373] <... bpf resumed>) = 8 [pid 11374] <... futex resumed>) = 1 [pid 11358] <... futex resumed>) = 0 [pid 11374] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11373] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11357] <... futex resumed>) = 0 [pid 11373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11357] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11357] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11373] <... bpf resumed>) = 9 [pid 11373] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11357] <... futex resumed>) = 0 [pid 11373] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11371] <... ioctl resumed>) = 0 [pid 11368] <... ioctl resumed>) = 0 [pid 11363] <... sendmsg resumed>) = 64 [pid 11371] close(3) = 0 [pid 11371] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11371] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11369] <... futex resumed>) = 0 [pid 11368] close(3 [pid 11363] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] <... close resumed>) = 0 [pid 11363] <... futex resumed>) = 0 [pid 11363] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11371] <... futex resumed>) = 0 [pid 11369] <... futex resumed>) = 1 [pid 11368] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11371] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11369] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11368] <... futex resumed>) = 1 [pid 11366] <... futex resumed>) = 0 [pid 11372] <... ioctl resumed>) = 0 [pid 11371] <... socket resumed>) = 3 [pid 11368] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11366] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11358] exit_group(0 [pid 11374] <... futex resumed>) = ? [pid 11372] close(3 [pid 11371] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11366] <... futex resumed>) = 0 [pid 11363] <... futex resumed>) = ? [pid 11358] <... exit_group resumed>) = ? [pid 11374] +++ exited with 0 +++ [pid 11372] <... close resumed>) = 0 [pid 11371] <... futex resumed>) = 1 [pid 11369] <... futex resumed>) = 0 [pid 11368] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11366] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11363] +++ exited with 0 +++ [pid 11372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11371] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11369] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] <... socket resumed>) = 3 [pid 11372] <... futex resumed>) = 1 [pid 11371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11370] <... futex resumed>) = 0 [ 160.042163][T11368] loop2: detected capacity change from 0 to 256 [ 160.055484][T11368] exfat: Bad value for 'uid' [ 160.057630][T11371] loop0: detected capacity change from 0 to 256 [ 160.064816][T11372] loop4: detected capacity change from 0 to 256 [ 160.068876][T11371] exfat: Bad value for 'uid' [ 160.081327][T11372] exfat: Bad value for 'uid' [pid 11369] <... futex resumed>) = 0 [pid 11368] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11371] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11370] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11371] <... socket resumed>) = 4 [pid 11370] <... futex resumed>) = 0 [pid 11368] <... futex resumed>) = 1 [pid 11366] <... futex resumed>) = 0 [pid 11372] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11371] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11370] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11368] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11372] <... socket resumed>) = 3 [pid 11371] <... futex resumed>) = 1 [pid 11369] <... futex resumed>) = 0 [pid 11366] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11371] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11369] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11366] <... futex resumed>) = 0 [pid 11372] <... futex resumed>) = 1 [pid 11371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11370] <... futex resumed>) = 0 [pid 11369] <... futex resumed>) = 0 [pid 11368] <... socket resumed>) = 4 [pid 11366] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11371] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11370] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11368] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11371] <... sendto resumed>) = 32 [pid 11370] <... futex resumed>) = 0 [pid 11368] <... futex resumed>) = 0 [pid 11366] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11372] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11371] recvfrom(4, [pid 11370] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11368] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11366] <... futex resumed>) = 0 [pid 11372] <... socket resumed>) = 4 [pid 11371] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11369}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11368] <... sendto resumed>) = 32 [pid 11366] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11371] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] recvfrom(4, [pid 11372] <... futex resumed>) = 1 [pid 11371] <... futex resumed>) = 1 [pid 11370] <... futex resumed>) = 0 [pid 11369] <... futex resumed>) = 0 [pid 11368] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11366}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11371] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11370] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11370] <... futex resumed>) = 0 [pid 11369] <... futex resumed>) = 0 [pid 11368] <... futex resumed>) = 1 [pid 11366] <... futex resumed>) = 0 [pid 11372] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11371] getsockname(4, [pid 11370] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11369] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11368] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11366] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11372] <... sendto resumed>) = 32 [pid 11371] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11369, nl_groups=00000000}, [116 => 12]) = 0 [pid 11368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11366] <... futex resumed>) = 0 [pid 11372] recvfrom(4, [pid 11371] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] getsockname(4, [pid 11366] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11372] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11370}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11371] <... futex resumed>) = 1 [pid 11369] <... futex resumed>) = 0 [pid 11368] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11366, nl_groups=00000000}, [116 => 12]) = 0 [pid 11372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11371] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11369] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11372] <... futex resumed>) = 1 [pid 11371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11370] <... futex resumed>) = 0 [pid 11369] <... futex resumed>) = 0 [pid 11368] <... futex resumed>) = 1 [pid 11366] <... futex resumed>) = 0 [pid 11372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11371] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x69\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11370] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11368] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11366] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11370] <... futex resumed>) = 0 [pid 11372] getsockname(4, [pid 11370] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11366] <... futex resumed>) = 0 [pid 11372] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11370, nl_groups=00000000}, [116 => 12]) = 0 [pid 11372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x66\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11366] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11372] <... futex resumed>) = 1 [pid 11370] <... futex resumed>) = 0 [pid 11372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11370] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11370] <... futex resumed>) = 0 [pid 11372] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x6a\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11370] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11361] <... sendmsg resumed>) = 64 [pid 11358] +++ exited with 0 +++ [pid 11361] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11358, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11361] <... futex resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 11361] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11357] exit_group(0 [pid 299] close(3 [pid 11373] <... futex resumed>) = ? [pid 11361] <... futex resumed>) = ? [pid 11357] <... exit_group resumed>) = ? [pid 299] <... close resumed>) = 0 [pid 11373] +++ exited with 0 +++ [pid 11361] +++ exited with 0 +++ [pid 11357] +++ exited with 0 +++ [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11378 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11357, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3./strace-static-x86_64: Process 11378 attached ) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11379 [pid 11378] set_robust_list(0x5555555916a0, 24) = 0 [pid 11378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11378] setpgid(0, 0) = 0 [pid 11378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11378] write(3, "1000", 4) = 4 [pid 11378] close(3) = 0 [pid 11378] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11378] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11378] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11380]}, 88) = 11380 [pid 11378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11378] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11378] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11380 attached [pid 11380] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11380] memfd_create("syzkaller", 0) = 3 [pid 11380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11380] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 11379 attached [pid 11379] set_robust_list(0x5555555916a0, 24) = 0 [pid 11379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11379] setpgid(0, 0 [pid 11369] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11369] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11379] <... setpgid resumed>) = 0 [pid 11369] <... mprotect resumed>) = 0 [pid 11366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11366] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11366] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}./strace-static-x86_64: Process 11381 attached [pid 11379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11369] <... clone3 resumed> => {parent_tid=[11381]}, 88) = 11381 [pid 11369] rt_sigprocmask(SIG_SETMASK, [], [pid 11366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11366] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11366] <... futex resumed>) = 0 [pid 11369] <... futex resumed>) = 0 [pid 11366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11369] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11366] <... mmap resumed>) = 0x7fb926217000 [pid 11366] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11382]}, 88) = 11382 [pid 11370] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11370] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11366] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11370] <... futex resumed>) = 0 [pid 11366] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11380] <... write resumed>) = 131072 [pid 11370] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11380] munmap(0x7fb91de38000, 138412032) = 0 [pid 11380] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11370] <... mprotect resumed>) = 0 [pid 11380] <... openat resumed>) = 4 [pid 11380] ioctl(4, LOOP_SET_FD, 3 [pid 11381] set_robust_list(0x7fb9262379a0, 24 [pid 11379] <... openat resumed>) = 3 [pid 11370] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11382 attached [pid 11381] <... set_robust_list resumed>) = 0 [pid 11379] write(3, "1000", 4 [pid 11370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11380] <... ioctl resumed>) = 0 [pid 11380] close(3) = 0 [pid 11380] close(4) = 0 [pid 11380] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11380] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11381] rt_sigprocmask(SIG_SETMASK, [], [pid 11379] <... write resumed>) = 4 [pid 11370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11383 attached [pid 11382] set_robust_list(0x7fb9262379a0, 24 [pid 11381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11379] close(3 [pid 11382] <... set_robust_list resumed>) = 0 [pid 11381] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11379] <... close resumed>) = 0 [pid 11370] <... clone3 resumed> => {parent_tid=[11383]}, 88) = 11383 [pid 11382] rt_sigprocmask(SIG_SETMASK, [], [pid 11381] <... bpf resumed>) = 5 [pid 11379] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11370] rt_sigprocmask(SIG_SETMASK, [], [pid 11383] set_robust_list(0x7fb9262379a0, 24 [pid 11382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11379] <... futex resumed>) = 0 [pid 11370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11382] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11381] <... futex resumed>) = 1 [pid 11379] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11370] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] <... futex resumed>) = 0 [pid 11382] <... bpf resumed>) = 5 [pid 11381] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11379] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11370] <... futex resumed>) = 0 [pid 11369] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11383] <... set_robust_list resumed>) = 0 [pid 11382] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11381] <... bpf resumed>) = 0 [pid 11380] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11370] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11369] <... futex resumed>) = 0 [pid 11382] <... futex resumed>) = 1 [pid 11381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11369] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11366] <... futex resumed>) = 0 [pid 11382] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11381] <... futex resumed>) = 0 [pid 11379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11366] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11382] <... bpf resumed>) = 0 [pid 11381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11379] <... mmap resumed>) = 0x7fb926238000 [pid 11369] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11366] <... futex resumed>) = 0 [pid 11383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11382] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] <... openat resumed>) = 3 [pid 11379] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11369] <... futex resumed>) = 0 [pid 11366] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11382] <... futex resumed>) = 0 [pid 11381] <... bpf resumed>) = 6 [pid 11379] <... mprotect resumed>) = 0 [pid 11369] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11382] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] ioctl(3, LOOP_CLR_FD [pid 11379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11366] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11381] <... futex resumed>) = 0 [pid 11379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11369] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11366] <... futex resumed>) = 0 [pid 11383] <... bpf resumed>) = 5 [pid 11381] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11369] <... futex resumed>) = 0 [pid 11366] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11384 attached [pid 11382] <... bpf resumed>) = 6 [pid 11381] <... bpf resumed>) = 7 [pid 11369] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11382] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11379] <... clone3 resumed> => {parent_tid=[11384]}, 88) = 11384 [pid 11381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11383] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11382] <... futex resumed>) = 1 [pid 11379] rt_sigprocmask(SIG_SETMASK, [], [pid 11366] <... futex resumed>) = 0 [pid 11382] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11366] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11381] <... futex resumed>) = 1 [pid 11379] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] <... futex resumed>) = 0 [pid 11366] <... futex resumed>) = 0 [pid 11382] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11381] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11379] <... futex resumed>) = 0 [pid 11369] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11366] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11384] set_robust_list(0x7fb9262589a0, 24 [pid 11383] <... futex resumed>) = 1 [pid 11382] <... bpf resumed>) = 7 [pid 11381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11379] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11370] <... futex resumed>) = 0 [pid 11369] <... futex resumed>) = 0 [pid 11382] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11370] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11382] <... futex resumed>) = 1 [pid 11366] <... futex resumed>) = 0 [pid 11382] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11366] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11366] <... futex resumed>) = 0 [pid 11382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11366] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11382] <... bpf resumed>) = 8 [pid 11381] <... bpf resumed>) = 8 [pid 11370] <... futex resumed>) = 0 [pid 11382] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11366] <... futex resumed>) = 0 [pid 11382] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11370] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11366] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11366] <... futex resumed>) = 0 [pid 11382] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11381] <... futex resumed>) = 1 [pid 11369] <... futex resumed>) = 0 [pid 11366] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11384] <... set_robust_list resumed>) = 0 [pid 11383] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11382] <... bpf resumed>) = 9 [pid 11381] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11369] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11384] rt_sigprocmask(SIG_SETMASK, [], [pid 11383] <... bpf resumed>) = 0 [pid 11382] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11369] <... futex resumed>) = 0 [pid 11384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11383] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11382] <... futex resumed>) = 1 [pid 11381] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11369] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11366] <... futex resumed>) = 0 [pid 11384] memfd_create("syzkaller", 0 [pid 11383] <... futex resumed>) = 1 [pid 11382] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11381] <... bpf resumed>) = 9 [pid 11370] <... futex resumed>) = 0 [pid 11384] <... memfd_create resumed>) = 3 [pid 11383] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11370] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11381] <... futex resumed>) = 1 [pid 11370] <... futex resumed>) = 0 [pid 11369] <... futex resumed>) = 0 [pid 11384] <... mmap resumed>) = 0x7fb91de38000 [pid 11383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11381] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11370] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11383] <... bpf resumed>) = 6 [pid 11383] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11370] <... futex resumed>) = 0 [pid 11383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11370] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11383] <... bpf resumed>) = 7 [pid 11370] <... futex resumed>) = 0 [pid 11383] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11370] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11383] <... futex resumed>) = 0 [pid 11370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11383] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11370] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11370] <... futex resumed>) = 0 [pid 11383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11370] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11384] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11383] <... bpf resumed>) = 8 [pid 11383] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11370] <... futex resumed>) = 0 [pid 11383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11370] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11383] <... bpf resumed>) = 9 [pid 11370] <... futex resumed>) = 0 [pid 11383] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11370] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11383] <... futex resumed>) = 0 [pid 11370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11384] <... write resumed>) = 131072 [pid 11383] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11384] munmap(0x7fb91de38000, 138412032) = 0 [pid 11384] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11384] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11384] close(3) = 0 [pid 11384] close(4) = 0 [pid 11384] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11380] <... ioctl resumed>) = 0 [pid 11384] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11380] close(3) = 0 [pid 11384] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11384] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11380] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11378] <... futex resumed>) = 0 [pid 11380] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11378] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] <... socket resumed>) = 3 [pid 11378] <... futex resumed>) = 0 [pid 11384] ioctl(3, LOOP_CLR_FD [pid 11380] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11378] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11380] <... futex resumed>) = 0 [pid 11378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11380] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11378] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] <... socket resumed>) = 4 [pid 11378] <... futex resumed>) = 0 [pid 11380] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11378] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11380] <... futex resumed>) = 0 [pid 11378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11380] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11378] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] <... sendto resumed>) = 32 [pid 11378] <... futex resumed>) = 0 [pid 11380] recvfrom(4, [pid 11378] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11380] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11378}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11380] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11378] <... futex resumed>) = 0 [pid 11380] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11378] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11378] <... futex resumed>) = 0 [pid 11380] getsockname(4, [pid 11378] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11380] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11378, nl_groups=00000000}, [116 => 12]) = 0 [pid 11380] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11378] <... futex resumed>) = 0 [pid 11380] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11378] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11378] <... futex resumed>) = 0 [pid 11380] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x72\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 160.186117][T11380] loop3: detected capacity change from 0 to 256 [ 160.193514][T11380] exfat: Bad value for 'uid' [ 160.218361][T11384] loop1: detected capacity change from 0 to 256 [ 160.228241][T11384] exfat: Bad value for 'uid' [pid 11378] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11384] <... ioctl resumed>) = 0 [pid 11368] <... sendmsg resumed>) = 64 [pid 11384] close(3) = 0 [pid 11384] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11379] <... futex resumed>) = 0 [pid 11384] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11379] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11384] <... socket resumed>) = 3 [pid 11379] <... futex resumed>) = 0 [pid 11384] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11379] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11384] <... futex resumed>) = 0 [pid 11379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11384] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11379] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11384] <... socket resumed>) = 4 [pid 11379] <... futex resumed>) = 0 [pid 11384] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11379] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11368] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11384] <... futex resumed>) = 0 [pid 11379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11384] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11379] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] <... futex resumed>) = 0 [pid 11384] <... sendto resumed>) = 32 [pid 11379] <... futex resumed>) = 0 [pid 11368] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11384] recvfrom(4, [pid 11379] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11366] exit_group(0 [pid 11384] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11379}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11382] <... futex resumed>) = ? [pid 11368] <... futex resumed>) = ? [pid 11366] <... exit_group resumed>) = ? [pid 11384] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11382] +++ exited with 0 +++ [pid 11384] <... futex resumed>) = 1 [pid 11379] <... futex resumed>) = 0 [pid 11384] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11379] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11368] +++ exited with 0 +++ [pid 11366] +++ exited with 0 +++ [pid 11384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11379] <... futex resumed>) = 0 [pid 11384] getsockname(4, [pid 11379] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11366, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11384] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11379, nl_groups=00000000}, [116 => 12]) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11384] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 11384] <... futex resumed>) = 1 [pid 11379] <... futex resumed>) = 0 [pid 11384] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11379] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11379] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11384] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x73\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11379] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11387 ./strace-static-x86_64: Process 11387 attached [pid 11387] set_robust_list(0x5555555916a0, 24) = 0 [pid 11387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11387] setpgid(0, 0) = 0 [pid 11387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11387] write(3, "1000", 4) = 4 [pid 11387] close(3) = 0 [pid 11387] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11387] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11387] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11387] <... mprotect resumed>) = 0 [pid 11378] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11378] <... futex resumed>) = 0 [pid 11387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11378] <... mmap resumed>) = 0x7fb926217000 ./strace-static-x86_64: Process 11388 attached [pid 11378] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11388] set_robust_list(0x7fb9262589a0, 24 [pid 11387] <... clone3 resumed> => {parent_tid=[11388]}, 88) = 11388 [pid 11378] <... mprotect resumed>) = 0 [pid 11388] <... set_robust_list resumed>) = 0 [pid 11387] rt_sigprocmask(SIG_SETMASK, [], [pid 11378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11388] rt_sigprocmask(SIG_SETMASK, [], [pid 11387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11387] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11387] <... futex resumed>) = 0 [pid 11388] memfd_create("syzkaller", 0 [pid 11387] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11378] <... clone3 resumed> => {parent_tid=[11389]}, 88) = 11389 [pid 11378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11388] <... memfd_create resumed>) = 3 [pid 11378] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11378] <... futex resumed>) = 0 [pid 11378] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11389 attached [pid 11388] <... mmap resumed>) = 0x7fb91de38000 [pid 11389] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11389] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11388] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11389] <... bpf resumed>) = 5 [pid 11389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11378] <... futex resumed>) = 0 [pid 11378] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11378] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11388] <... write resumed>) = 131072 [pid 11388] munmap(0x7fb91de38000, 138412032 [pid 11389] <... futex resumed>) = 1 [pid 11389] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11378] <... futex resumed>) = 0 [pid 11378] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11378] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11388] <... munmap resumed>) = 0 [pid 11389] <... futex resumed>) = 1 [pid 11388] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11388] <... openat resumed>) = 4 [pid 11389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11388] ioctl(4, LOOP_SET_FD, 3 [pid 11389] <... futex resumed>) = 1 [pid 11378] <... futex resumed>) = 0 [pid 11389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11378] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11389] <... bpf resumed>) = 7 [pid 11378] <... futex resumed>) = 0 [pid 11389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11378] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11389] <... futex resumed>) = 0 [pid 11378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11378] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11389] <... bpf resumed>) = 8 [pid 11378] <... futex resumed>) = 0 [pid 11378] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11378] <... futex resumed>) = 0 [pid 11378] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11378] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11389] <... futex resumed>) = 1 [pid 11389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11378] <... futex resumed>) = 0 [pid 11389] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11388] <... ioctl resumed>) = 0 [pid 11372] <... sendmsg resumed>) = 64 [pid 11371] <... sendmsg resumed>) = 64 [pid 11388] close(3 [pid 11372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11371] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11369] exit_group(0 [pid 11388] <... close resumed>) = 0 [pid 11381] <... futex resumed>) = ? [pid 11372] <... futex resumed>) = 0 [pid 11371] <... futex resumed>) = ? [pid 11369] <... exit_group resumed>) = ? [pid 11388] close(4 [pid 11381] +++ exited with 0 +++ [pid 11372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11371] +++ exited with 0 +++ [pid 11370] exit_group(0 [pid 11383] <... futex resumed>) = ? [pid 11372] <... futex resumed>) = ? [pid 11370] <... exit_group resumed>) = ? [pid 11369] +++ exited with 0 +++ [pid 11383] +++ exited with 0 +++ [pid 11372] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11369, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11388] <... close resumed>) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11390 [pid 11388] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11388] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11390 attached [pid 11390] set_robust_list(0x5555555916a0, 24) = 0 [pid 11390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11390] setpgid(0, 0) = 0 [pid 11390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11390] write(3, "1000", 4) = 4 [pid 11390] close(3) = 0 [pid 11390] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11390] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11390] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11391]}, 88) = 11391 [pid 11390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11390] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11390] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11391 attached [pid 11391] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11391] memfd_create("syzkaller", 0 [pid 11388] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11391] <... memfd_create resumed>) = 3 [pid 11388] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11379] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11391] <... mmap resumed>) = 0x7fb91de38000 [pid 11379] <... futex resumed>) = 0 [pid 11379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11379] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11392]}, 88) = 11392 [pid 11379] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11392 attached [pid 11391] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11379] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11379] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11391] <... write resumed>) = 131072 [pid 11392] set_robust_list(0x7fb9262379a0, 24 [pid 11391] munmap(0x7fb91de38000, 138412032 [pid 11392] <... set_robust_list resumed>) = 0 [pid 11392] rt_sigprocmask(SIG_SETMASK, [], [pid 11391] <... munmap resumed>) = 0 [pid 11392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11391] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11392] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11391] <... openat resumed>) = 4 [pid 11392] <... bpf resumed>) = 5 [pid 11391] ioctl(4, LOOP_SET_FD, 3 [pid 11392] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11388] <... openat resumed>) = 3 [pid 11388] ioctl(3, LOOP_CLR_FD [pid 11392] <... futex resumed>) = 1 [pid 11392] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11379] <... futex resumed>) = 0 [pid 11379] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11379] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11392] <... futex resumed>) = 0 [pid 11392] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11392] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11379] <... futex resumed>) = 0 [pid 11379] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11379] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11392] <... futex resumed>) = 1 [pid 11392] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11391] <... ioctl resumed>) = 0 [pid 11391] close(3) = 0 [pid 11391] close(4 [pid 11392] <... bpf resumed>) = 6 [pid 11392] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11379] <... futex resumed>) = 0 [pid 11379] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11379] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11391] <... close resumed>) = 0 [pid 11392] <... futex resumed>) = 1 [pid 11392] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11391] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11391] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11391] ioctl(3, LOOP_CLR_FD [pid 11392] <... bpf resumed>) = 7 [pid 11380] <... sendmsg resumed>) = 64 [pid 11370] +++ exited with 0 +++ [pid 11392] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11380] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11392] <... futex resumed>) = 1 [pid 11380] <... futex resumed>) = 0 [pid 11379] <... futex resumed>) = 0 [pid 11392] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11380] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11379] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11379] <... futex resumed>) = 0 [pid 11378] exit_group(0 [pid 11392] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11379] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11389] <... futex resumed>) = ? [pid 11388] <... ioctl resumed>) = 0 [pid 11380] <... futex resumed>) = ? [pid 11378] <... exit_group resumed>) = ? [pid 11389] +++ exited with 0 +++ [pid 11388] close(3) = 0 [pid 11388] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11388] <... futex resumed>) = 1 [pid 11387] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 11388] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11387] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11388] <... socket resumed>) = 3 [pid 11387] <... futex resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11388] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] close(3 [pid 11388] <... futex resumed>) = 0 [pid 11387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] <... close resumed>) = 0 [pid 11388] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11387] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11392] <... bpf resumed>) = 8 [pid 11388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11387] <... futex resumed>) = 0 [pid 11388] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11387] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11393 [pid 11388] <... socket resumed>) = 4 [pid 11388] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11387] <... futex resumed>) = 0 [pid 11388] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11387] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11387] <... futex resumed>) = 0 [pid 11388] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11387] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11392] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11388] <... sendto resumed>) = 32 [pid 11392] <... futex resumed>) = 1 [pid 11388] recvfrom(4, [pid 11379] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11393 attached [pid 11392] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11388] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11387}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11379] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11393] set_robust_list(0x5555555916a0, 24 [pid 11392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11388] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11379] <... futex resumed>) = 0 [pid 11393] <... set_robust_list resumed>) = 0 [pid 11392] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11387] <... futex resumed>) = 0 [pid 11388] <... futex resumed>) = 1 [pid 11379] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11388] getsockname(4, [pid 11387] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11388] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11387, nl_groups=00000000}, [116 => 12]) = 0 [pid 11387] <... futex resumed>) = 0 [pid 11388] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11388] <... futex resumed>) = 0 [pid 11387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11388] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11387] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11387] <... futex resumed>) = 0 [pid 11388] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x7b\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11387] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11393] <... prctl resumed>) = 0 [pid 11393] setpgid(0, 0) = 0 [pid 11393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11393] write(3, "1000", 4) = 4 [pid 11393] close(3) = 0 [pid 11393] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11393] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11393] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11380] +++ exited with 0 +++ [pid 11393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11378] +++ exited with 0 +++ [pid 11393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11378, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11392] <... bpf resumed>) = 9 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11393] <... clone3 resumed> => {parent_tid=[11395]}, 88) = 11395 [pid 11392] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11393] rt_sigprocmask(SIG_SETMASK, [], [pid 11392] <... futex resumed>) = 1 [pid 11379] <... futex resumed>) = 0 [pid 11392] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 11395 attached [pid 11393] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11395] set_robust_list(0x7fb9262589a0, 24 [pid 11393] <... futex resumed>) = 0 [pid 11395] <... set_robust_list resumed>) = 0 [pid 11393] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11395] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] close(3 [pid 11395] memfd_create("syzkaller", 0 [pid 299] <... close resumed>) = 0 [pid 11395] <... memfd_create resumed>) = 3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11396 [pid 11395] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 11396 attached [pid 11396] set_robust_list(0x5555555916a0, 24) = 0 [pid 11396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11396] setpgid(0, 0) = 0 [pid 11396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11396] write(3, "1000", 4) = 4 [pid 11395] <... write resumed>) = 131072 [pid 11396] close(3) = 0 [pid 11396] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11395] munmap(0x7fb91de38000, 138412032 [pid 11396] <... futex resumed>) = 0 [pid 11396] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11395] <... munmap resumed>) = 0 [pid 11396] <... mmap resumed>) = 0x7fb926238000 [ 160.305809][T11388] loop2: detected capacity change from 0 to 256 [ 160.324197][T11388] exfat: Bad value for 'uid' [ 160.334977][T11391] loop0: detected capacity change from 0 to 256 [ 160.349296][T11391] exfat: Bad value for 'uid' [pid 11396] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11395] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11391] <... ioctl resumed>) = 0 [pid 11395] ioctl(4, LOOP_SET_FD, 3 [pid 11384] <... sendmsg resumed>) = 64 [pid 11396] <... mprotect resumed>) = 0 [pid 11391] close(3 [pid 11384] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11395] <... ioctl resumed>) = 0 [pid 11391] <... close resumed>) = 0 [pid 11384] <... futex resumed>) = 0 [pid 11395] close(3 [pid 11391] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11384] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11379] exit_group(0 [pid 11396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11395] <... close resumed>) = 0 [pid 11391] <... futex resumed>) = 1 [pid 11390] <... futex resumed>) = 0 [pid 11396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11391] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11390] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11392] <... futex resumed>) = ? [pid 11391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11390] <... futex resumed>) = 0 [pid 11384] <... futex resumed>) = ? [pid 11379] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 11397 attached [pid 11395] close(4 [pid 11392] +++ exited with 0 +++ [pid 11391] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11390] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11384] +++ exited with 0 +++ [pid 11397] set_robust_list(0x7fb9262589a0, 24 [pid 11396] <... clone3 resumed> => {parent_tid=[11397]}, 88) = 11397 [pid 11391] <... socket resumed>) = 3 [pid 11397] <... set_robust_list resumed>) = 0 [pid 11396] rt_sigprocmask(SIG_SETMASK, [], [pid 11391] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11397] rt_sigprocmask(SIG_SETMASK, [], [pid 11396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11391] <... futex resumed>) = 1 [pid 11390] <... futex resumed>) = 0 [pid 11397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11391] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11390] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11397] memfd_create("syzkaller", 0 [pid 11396] <... futex resumed>) = 0 [pid 11391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11390] <... futex resumed>) = 0 [pid 11379] +++ exited with 0 +++ [pid 11397] <... memfd_create resumed>) = 3 [pid 11396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11391] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11390] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11395] <... close resumed>) = 0 [pid 11391] <... socket resumed>) = 4 [pid 11395] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11395] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 297] <... openat resumed>) = 3 [pid 11397] <... mmap resumed>) = 0x7fb91de38000 [pid 11391] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11397] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11391] <... futex resumed>) = 1 [pid 11390] <... futex resumed>) = 0 [pid 11391] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11390] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11390] <... futex resumed>) = 0 [pid 11391] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11390] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11397] <... write resumed>) = 131072 [pid 11395] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11391] <... sendto resumed>) = 32 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11397] munmap(0x7fb91de38000, 138412032 [pid 11391] recvfrom(4, [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11398 [pid 11391] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11390}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11395] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11395] ioctl(3, LOOP_CLR_FD [pid 11397] <... munmap resumed>) = 0 [pid 11397] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11397] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11398 attached [pid 11391] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] set_robust_list(0x5555555916a0, 24 [pid 11391] <... futex resumed>) = 1 [pid 11390] <... futex resumed>) = 0 [pid 11398] <... set_robust_list resumed>) = 0 [pid 11391] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11390] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11390] <... futex resumed>) = 0 [pid 11398] <... prctl resumed>) = 0 [pid 11391] getsockname(4, [pid 11390] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11398] setpgid(0, 0 [pid 11391] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11390, nl_groups=00000000}, [116 => 12]) = 0 [pid 11398] <... setpgid resumed>) = 0 [pid 11391] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11391] <... futex resumed>) = 1 [pid 11390] <... futex resumed>) = 0 [pid 11398] <... openat resumed>) = 3 [pid 11391] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11390] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] write(3, "1000", 4 [pid 11391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11390] <... futex resumed>) = 0 [pid 11398] <... write resumed>) = 4 [pid 11391] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x7e\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11390] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11398] close(3) = 0 [pid 11398] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11398] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11398] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11399]}, 88) = 11399 [pid 11398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11398] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11398] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11399 attached [pid 11399] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11399] memfd_create("syzkaller", 0) = 3 [pid 11399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11397] <... ioctl resumed>) = 0 [pid 11397] close(3) = 0 [pid 11397] close(4) = 0 [pid 11397] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11397] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11387] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11387] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11401]}, 88) = 11401 [pid 11387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11387] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11387] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11397] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11397] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11397] ioctl(3, LOOP_CLR_FD [pid 11399] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 ./strace-static-x86_64: Process 11401 attached [pid 11399] munmap(0x7fb91de38000, 138412032 [pid 11401] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11401] rt_sigprocmask(SIG_SETMASK, [], [pid 11399] <... munmap resumed>) = 0 [pid 11399] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11399] ioctl(4, LOOP_SET_FD, 3 [pid 11401] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11401] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] <... futex resumed>) = 0 [pid 11387] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11387] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11401] <... futex resumed>) = 1 [pid 11401] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11401] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] <... futex resumed>) = 0 [pid 11387] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11387] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11401] <... futex resumed>) = 1 [pid 11401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11401] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] <... futex resumed>) = 0 [pid 11387] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11387] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11401] <... futex resumed>) = 1 [pid 11401] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11401] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11399] <... ioctl resumed>) = 0 [pid 11395] <... ioctl resumed>) = 0 [pid 11387] <... futex resumed>) = 0 [pid 11395] close(3) = 0 [pid 11395] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11393] <... futex resumed>) = 0 [pid 11395] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11393] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11395] <... socket resumed>) = 3 [pid 11393] <... futex resumed>) = 0 [pid 11395] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11393] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11395] <... futex resumed>) = 0 [pid 11393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11395] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11393] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11395] <... socket resumed>) = 4 [pid 11393] <... futex resumed>) = 0 [pid 11395] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11393] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11395] <... futex resumed>) = 0 [pid 11393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11395] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11393] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11395] <... sendto resumed>) = 32 [pid 11393] <... futex resumed>) = 0 [pid 11395] recvfrom(4, [pid 11393] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11395] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11393}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11395] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11395] <... futex resumed>) = 1 [pid 11393] <... futex resumed>) = 0 [pid 11395] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11393] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11393] <... futex resumed>) = 0 [pid 11395] getsockname(4, [pid 11393] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11395] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11393, nl_groups=00000000}, [116 => 12]) = 0 [pid 11387] <... futex resumed>) = 0 [pid 11395] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11393] <... futex resumed>) = 0 [pid 11395] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11393] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11393] <... futex resumed>) = 0 [pid 11395] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x81\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11393] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11399] close(3 [pid 11401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11399] <... close resumed>) = 0 [pid 11401] <... bpf resumed>) = 8 [pid 11399] close(4) = 0 [pid 11399] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 160.387955][T11395] loop4: detected capacity change from 0 to 256 [ 160.401045][T11395] exfat: Bad value for 'uid' [ 160.410216][T11397] loop3: detected capacity change from 0 to 256 [ 160.418398][T11397] exfat: Bad value for 'uid' [ 160.431789][T11399] loop1: detected capacity change from 0 to 256 [pid 11399] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11399] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11399] ioctl(3, LOOP_CLR_FD [pid 11401] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] <... futex resumed>) = 0 [pid 11387] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11387] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11401] <... futex resumed>) = 1 [pid 11401] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11401] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11387] <... futex resumed>) = 0 [pid 11401] <... futex resumed>) = 1 [pid 11401] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11397] <... ioctl resumed>) = 0 [pid 11397] close(3) = 0 [pid 11388] <... sendmsg resumed>) = 64 [pid 11388] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11388] <... futex resumed>) = 0 [pid 11387] exit_group(0) = ? [pid 11397] <... futex resumed>) = 1 [pid 11396] <... futex resumed>) = 0 [pid 11397] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11388] +++ exited with 0 +++ [pid 11396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11397] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11396] <... futex resumed>) = 0 [pid 11397] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11397] <... socket resumed>) = 4 [pid 11397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11396] <... futex resumed>) = 0 [pid 11397] <... futex resumed>) = 0 [pid 11396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11397] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11397] <... futex resumed>) = 0 [pid 11396] <... futex resumed>) = 1 [pid 11397] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11401] <... futex resumed>) = ? [pid 11396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11397] <... sendto resumed>) = 32 [pid 11397] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11396}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11396] <... futex resumed>) = 0 [pid 11397] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11396] <... futex resumed>) = 0 [pid 11397] getsockname(4, [pid 11396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11397] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11396, nl_groups=00000000}, [116 => 12]) = 0 [pid 11397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11396] <... futex resumed>) = 0 [pid 11397] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11396] <... futex resumed>) = 0 [pid 11397] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x84\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11401] +++ exited with 0 +++ [pid 11387] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11387, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11390] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11390] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 11390] <... futex resumed>) = 0 [pid 11390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11390] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 298] <... openat resumed>) = 3 [pid 11390] <... mprotect resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11390] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11390] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] close(3 [pid 11390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 298] <... close resumed>) = 0 [pid 11390] <... clone3 resumed> => {parent_tid=[11404]}, 88) = 11404 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11390] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11405 [pid 11390] <... futex resumed>) = 0 [pid 11390] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11405 attached [pid 11405] set_robust_list(0x5555555916a0, 24) = 0 [pid 11405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11405] setpgid(0, 0) = 0 [pid 11405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11405] write(3, "1000", 4) = 4 [pid 11405] close(3) = 0 [pid 11405] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11405] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11405] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11405] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11404 attached [], 8) = 0 [pid 11405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11404] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 11406 attached ) = 5 [pid 11406] set_robust_list(0x7fb9262589a0, 24 [pid 11405] <... clone3 resumed> => {parent_tid=[11406]}, 88) = 11406 [pid 11404] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11405] rt_sigprocmask(SIG_SETMASK, [], [pid 11404] <... futex resumed>) = 1 [pid 11390] <... futex resumed>) = 0 [pid 11405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11404] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11390] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11406] <... set_robust_list resumed>) = 0 [pid 11405] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11404] <... bpf resumed>) = 0 [pid 11399] <... ioctl resumed>) = 0 [pid 11390] <... futex resumed>) = 0 [pid 11406] rt_sigprocmask(SIG_SETMASK, [], [pid 11405] <... futex resumed>) = 0 [pid 11404] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11399] close(3 [pid 11390] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11405] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11404] <... futex resumed>) = 0 [pid 11399] <... close resumed>) = 0 [pid 11390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11404] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11399] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11390] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11399] <... futex resumed>) = 1 [pid 11398] <... futex resumed>) = 0 [pid 11390] <... futex resumed>) = 0 [pid 11404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11399] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11398] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11390] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11404] <... bpf resumed>) = 6 [pid 11399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11398] <... futex resumed>) = 0 [pid 11406] memfd_create("syzkaller", 0 [pid 11404] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11399] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11398] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 160.444318][T11399] exfat: Bad value for 'uid' [pid 11406] <... memfd_create resumed>) = 3 [pid 11404] <... futex resumed>) = 1 [pid 11399] <... socket resumed>) = 3 [pid 11390] <... futex resumed>) = 0 [pid 11406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11399] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11390] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11399] <... futex resumed>) = 1 [pid 11398] <... futex resumed>) = 0 [pid 11390] <... futex resumed>) = 0 [pid 11404] <... bpf resumed>) = 7 [pid 11399] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11398] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11390] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11404] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11398] <... futex resumed>) = 0 [pid 11390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11404] <... futex resumed>) = 0 [pid 11399] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11398] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11390] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11399] <... socket resumed>) = 4 [pid 11390] <... futex resumed>) = 0 [pid 11406] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11404] <... bpf resumed>) = 8 [pid 11399] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11390] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11406] <... write resumed>) = 131072 [pid 11404] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11399] <... futex resumed>) = 1 [pid 11398] <... futex resumed>) = 0 [pid 11390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11406] munmap(0x7fb91de38000, 138412032 [pid 11404] <... futex resumed>) = 0 [pid 11399] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11398] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11390] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11406] <... munmap resumed>) = 0 [pid 11404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11398] <... futex resumed>) = 0 [pid 11393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11390] <... futex resumed>) = 0 [pid 11399] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11398] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11393] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11390] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11406] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11404] <... bpf resumed>) = 9 [pid 11399] <... sendto resumed>) = 32 [pid 11393] <... futex resumed>) = 0 [pid 11406] <... openat resumed>) = 4 [pid 11404] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11399] recvfrom(4, [pid 11393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11406] ioctl(4, LOOP_SET_FD, 3 [pid 11404] <... futex resumed>) = 1 [pid 11399] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11398}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11393] <... mmap resumed>) = 0x7fb926217000 [pid 11390] <... futex resumed>) = 0 [pid 11404] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11399] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11399] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11393] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11407]}, 88) = 11407 [pid 11393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11393] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11393] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11398] <... futex resumed>) = 0 [pid 11398] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11399] <... futex resumed>) = 0 [pid 11398] <... futex resumed>) = 1 [pid 11399] getsockname(4, [pid 11398] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11407 attached [pid 11399] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11398, nl_groups=00000000}, [116 => 12]) = 0 [pid 11406] <... ioctl resumed>) = 0 [pid 11399] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11398] <... futex resumed>) = 0 [pid 11399] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11398] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11398] <... futex resumed>) = 0 [pid 11406] close(3 [pid 11399] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x86\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11398] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11406] <... close resumed>) = 0 [pid 11406] close(4 [pid 11407] set_robust_list(0x7fb9262379a0, 24 [pid 11406] <... close resumed>) = 0 [pid 11407] <... set_robust_list resumed>) = 0 [pid 11406] mkdir("./file0", 0777 [pid 11407] rt_sigprocmask(SIG_SETMASK, [], [pid 11406] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11406] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11407] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11407] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11393] <... futex resumed>) = 0 [pid 11407] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11393] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11407] <... bpf resumed>) = 0 [pid 11393] <... futex resumed>) = 0 [pid 11407] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11393] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11407] <... futex resumed>) = 0 [pid 11393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11407] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11393] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11407] <... bpf resumed>) = 6 [pid 11393] <... futex resumed>) = 0 [pid 11407] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11393] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11407] <... futex resumed>) = 0 [pid 11406] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11406] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11393] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11406] <... openat resumed>) = 3 [pid 11396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11406] ioctl(3, LOOP_CLR_FD [pid 11396] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11396] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11393] <... futex resumed>) = 0 [pid 11396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11393] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11396] <... clone3 resumed> => {parent_tid=[11409]}, 88) = 11409 [pid 11396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11396] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11396] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11409 attached [pid 11407] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11409] set_robust_list(0x7fb9262379a0, 24 [pid 11407] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11409] <... set_robust_list resumed>) = 0 [pid 11407] <... futex resumed>) = 1 [pid 11393] <... futex resumed>) = 0 [pid 11409] rt_sigprocmask(SIG_SETMASK, [], [pid 11407] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11393] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11393] <... futex resumed>) = 0 [pid 11409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11393] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11409] <... bpf resumed>) = 5 [pid 11409] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11396] <... futex resumed>) = 0 [pid 11409] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11396] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11409] <... bpf resumed>) = 0 [pid 11396] <... futex resumed>) = 0 [pid 11409] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11396] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11409] <... futex resumed>) = 0 [pid 11396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11409] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11396] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11396] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11409] <... futex resumed>) = 0 [pid 11409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11407] <... bpf resumed>) = 8 [pid 11407] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11393] <... futex resumed>) = 0 [pid 11393] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11393] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11407] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11409] <... bpf resumed>) = 6 [pid 11409] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11407] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11396] <... futex resumed>) = 0 [pid 11396] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11409] <... futex resumed>) = 1 [pid 11407] <... futex resumed>) = 1 [pid 11396] <... futex resumed>) = 0 [pid 11393] <... futex resumed>) = 0 [pid 11409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11407] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11396] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11409] <... bpf resumed>) = 7 [pid 11409] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11396] <... futex resumed>) = 0 [pid 11409] <... futex resumed>) = 1 [pid 11409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11396] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11396] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11409] <... bpf resumed>) = 8 [pid 11409] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11396] <... futex resumed>) = 0 [pid 11396] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11396] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11409] <... bpf resumed>) = 9 [pid 11409] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11396] <... futex resumed>) = 0 [pid 11409] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11406] <... ioctl resumed>) = 0 [pid 11391] <... sendmsg resumed>) = 64 [pid 11406] close(3 [pid 11395] <... sendmsg resumed>) = 64 [pid 11406] <... close resumed>) = 0 [pid 11406] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11405] <... futex resumed>) = 0 [pid 11406] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11405] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11405] <... futex resumed>) = 0 [pid 11406] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11405] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11406] <... socket resumed>) = 3 [pid 11406] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11405] <... futex resumed>) = 0 [pid 11406] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11405] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11405] <... futex resumed>) = 0 [pid 11406] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11405] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11406] <... socket resumed>) = 4 [pid 11406] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11405] <... futex resumed>) = 0 [pid 11406] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11405] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11405] <... futex resumed>) = 0 [pid 11406] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11405] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11406] <... sendto resumed>) = 32 [pid 11406] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11405}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11406] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11405] <... futex resumed>) = 0 [pid 11406] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11405] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11395] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11405] <... futex resumed>) = 0 [pid 11398] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11391] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11406] getsockname(4, [pid 11405] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11395] <... futex resumed>) = 0 [pid 11393] exit_group(0 [pid 11391] <... futex resumed>) = 0 [pid 11406] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11405, nl_groups=00000000}, [116 => 12]) = 0 [pid 11398] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11393] <... exit_group resumed>) = ? [pid 11407] <... futex resumed>) = ? [pid 11406] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] <... futex resumed>) = 0 [pid 11391] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11407] +++ exited with 0 +++ [pid 11406] <... futex resumed>) = 1 [pid 11405] <... futex resumed>) = 0 [pid 11398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11390] exit_group(0 [pid 11406] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11405] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] <... mmap resumed>) = 0x7fb926217000 [pid 11406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11405] <... futex resumed>) = 0 [pid 11398] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [ 160.494303][T11406] loop2: detected capacity change from 0 to 256 [ 160.503804][T11406] exfat: Bad value for 'uid' [pid 11406] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8d\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11405] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11398] <... mprotect resumed>) = 0 [pid 11395] +++ exited with 0 +++ [pid 11404] <... futex resumed>) = ? [pid 11393] +++ exited with 0 +++ [pid 11391] <... futex resumed>) = ? [pid 11390] <... exit_group resumed>) = ? [pid 11404] +++ exited with 0 +++ [pid 11398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11411]}, 88) = 11411 [pid 11398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11398] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11398] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11391] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 11411 attached [pid 11411] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11411] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11411] <... bpf resumed>) = 5 [pid 11411] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] <... futex resumed>) = 0 [pid 11398] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 11398] <... futex resumed>) = 0 [pid 11398] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11411] <... futex resumed>) = 1 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11411] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11411] <... bpf resumed>) = 0 [pid 11411] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] <... futex resumed>) = 0 [pid 11398] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11398] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11411] <... futex resumed>) = 1 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11412 [pid 11411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11411] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] <... futex resumed>) = 0 [pid 11398] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11398] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11411] <... futex resumed>) = 1 [pid 11411] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 11412 attached [pid 11412] set_robust_list(0x5555555916a0, 24) = 0 [pid 11412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11412] setpgid(0, 0) = 0 [pid 11412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11412] write(3, "1000", 4) = 4 [pid 11412] close(3) = 0 [pid 11412] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11412] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11412] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11413]}, 88) = 11413 [pid 11412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11412] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11412] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11413 attached [pid 11413] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11413] memfd_create("syzkaller", 0) = 3 [pid 11413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11413] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11413] munmap(0x7fb91de38000, 138412032) = 0 [pid 11413] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11413] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11413] close(3) = 0 [pid 11413] close(4) = 0 [pid 11411] <... bpf resumed>) = 7 [pid 11397] <... sendmsg resumed>) = 64 [pid 11390] +++ exited with 0 +++ [pid 11413] mkdir("./file0", 0777 [pid 11411] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11413] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11411] <... futex resumed>) = 1 [pid 11398] <... futex resumed>) = 0 [pid 11413] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11411] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11398] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11390, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11397] <... futex resumed>) = 0 [pid 11397] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11396] exit_group(0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11413] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11409] <... futex resumed>) = ? [pid 11398] <... futex resumed>) = 0 [pid 11397] <... futex resumed>) = ? [pid 11396] <... exit_group resumed>) = ? [pid 11413] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11411] <... bpf resumed>) = 8 [pid 11409] +++ exited with 0 +++ [pid 11398] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11413] <... openat resumed>) = 3 [pid 11411] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11397] +++ exited with 0 +++ [pid 11413] ioctl(3, LOOP_CLR_FD [pid 11411] <... futex resumed>) = 0 [pid 11398] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11411] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11398] <... futex resumed>) = 0 [pid 11398] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11414 ./strace-static-x86_64: Process 11414 attached [pid 11414] set_robust_list(0x5555555916a0, 24) = 0 [pid 11414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11414] setpgid(0, 0) = 0 [pid 11414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11414] write(3, "1000", 4) = 4 [pid 11414] close(3) = 0 [pid 11411] <... bpf resumed>) = 9 [pid 11405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11414] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11411] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11405] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11411] <... futex resumed>) = 1 [pid 11398] <... futex resumed>) = 0 [pid 11405] <... futex resumed>) = 0 [pid 11411] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11414] <... futex resumed>) = 0 [pid 11414] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11405] <... mmap resumed>) = 0x7fb926217000 [pid 11405] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11414] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11405] <... mprotect resumed>) = 0 [pid 11414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11414] <... mmap resumed>) = 0x7fb926238000 [pid 11405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11414] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11414] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11405] <... clone3 resumed> => {parent_tid=[11416]}, 88) = 11416 [pid 11414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11405] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] <... clone3 resumed> => {parent_tid=[11417]}, 88) = 11417 [pid 11405] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11414] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11416 attached [pid 11416] set_robust_list(0x7fb9262379a0, 24) = 0 ./strace-static-x86_64: Process 11417 attached [pid 11416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11416] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11417] set_robust_list(0x7fb9262589a0, 24 [pid 11416] <... bpf resumed>) = 5 [pid 11416] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11416] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11417] <... set_robust_list resumed>) = 0 [pid 11405] <... futex resumed>) = 0 [pid 11405] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] rt_sigprocmask(SIG_SETMASK, [], [pid 11405] <... futex resumed>) = 1 [pid 11417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11417] memfd_create("syzkaller", 0 [pid 11405] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11416] <... futex resumed>) = 0 [pid 11417] <... memfd_create resumed>) = 3 [pid 11417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11416] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11417] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11416] <... bpf resumed>) = 0 [pid 11417] <... write resumed>) = 131072 [pid 11416] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] munmap(0x7fb91de38000, 138412032) = 0 [pid 11416] <... futex resumed>) = 1 [pid 11416] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11405] <... futex resumed>) = 0 [pid 11405] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11405] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11417] ioctl(4, LOOP_SET_FD, 3 [pid 11416] <... bpf resumed>) = 6 [pid 11416] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11405] <... futex resumed>) = 0 [pid 11416] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11405] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11405] <... futex resumed>) = 0 [pid 11416] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11405] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11417] <... ioctl resumed>) = 0 [pid 11417] close(3) = 0 [pid 11417] close(4) = 0 [pid 11417] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 160.578549][T11413] loop4: detected capacity change from 0 to 256 [ 160.588242][T11413] exfat: Bad value for 'uid' [ 160.618560][T11417] loop0: detected capacity change from 0 to 256 [pid 11417] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11416] <... bpf resumed>) = 7 [pid 11396] +++ exited with 0 +++ [pid 11416] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11416] <... futex resumed>) = 1 [pid 11405] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11417] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11405] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] <... openat resumed>) = 3 [pid 11416] <... bpf resumed>) = 8 [pid 11405] <... futex resumed>) = 0 [pid 11416] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11416] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11417] ioctl(3, LOOP_CLR_FD [pid 11405] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11405] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11416] <... futex resumed>) = 0 [pid 11405] <... futex resumed>) = 1 [pid 11416] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11405] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11416] <... bpf resumed>) = 9 [pid 299] <... openat resumed>) = 3 [pid 11416] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11405] <... futex resumed>) = 0 [pid 11416] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11418 ./strace-static-x86_64: Process 11418 attached [pid 11418] set_robust_list(0x5555555916a0, 24) = 0 [pid 11418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11418] setpgid(0, 0) = 0 [pid 11418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11418] write(3, "1000", 4) = 4 [pid 11418] close(3) = 0 [pid 11418] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11418] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11418] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11419 attached => {parent_tid=[11419]}, 88) = 11419 [pid 11419] set_robust_list(0x7fb9262589a0, 24 [pid 11418] rt_sigprocmask(SIG_SETMASK, [], [pid 11413] <... ioctl resumed>) = 0 [pid 11399] <... sendmsg resumed>) = 64 [pid 11413] close(3) = 0 [pid 11413] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11399] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11413] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11399] <... futex resumed>) = 0 [pid 11413] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11398] exit_group(0 [pid 11413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11412] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11411] <... futex resumed>) = ? [pid 11398] <... exit_group resumed>) = ? [pid 11419] <... set_robust_list resumed>) = 0 [pid 11418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11417] <... ioctl resumed>) = 0 [pid 11413] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11412] <... futex resumed>) = 0 [pid 11411] +++ exited with 0 +++ [pid 11399] +++ exited with 0 +++ [pid 11417] close(3 [pid 11412] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] rt_sigprocmask(SIG_SETMASK, [], [pid 11417] <... close resumed>) = 0 [pid 11419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11418] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] memfd_create("syzkaller", 0 [pid 11418] <... futex resumed>) = 0 [pid 11417] <... futex resumed>) = 1 [pid 11414] <... futex resumed>) = 0 [pid 11419] <... memfd_create resumed>) = 3 [pid 11418] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11417] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11414] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11417] <... socket resumed>) = 3 [pid 11414] <... futex resumed>) = 0 [pid 11413] <... socket resumed>) = 3 [pid 11414] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11413] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11413] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11419] <... mmap resumed>) = 0x7fb91de38000 [pid 11417] <... futex resumed>) = 1 [pid 11414] <... futex resumed>) = 0 [pid 11413] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11412] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11414] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11412] <... futex resumed>) = 0 [pid 11419] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11417] <... socket resumed>) = 4 [pid 11414] <... futex resumed>) = 0 [pid 11417] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11413] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11412] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11414] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] <... write resumed>) = 131072 [pid 11417] <... futex resumed>) = 0 [pid 11414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11413] <... socket resumed>) = 4 [pid 11419] munmap(0x7fb91de38000, 138412032 [pid 11417] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11414] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11413] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] <... munmap resumed>) = 0 [pid 11417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11414] <... futex resumed>) = 0 [pid 11413] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11419] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11417] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11414] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11413] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11412] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] <... openat resumed>) = 4 [pid 11417] <... sendto resumed>) = 32 [pid 11413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11412] <... futex resumed>) = 0 [pid 11417] recvfrom(4, [pid 11413] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11412] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] ioctl(4, LOOP_SET_FD, 3 [pid 11417] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11414}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11413] <... sendto resumed>) = 32 [pid 11417] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11414] <... futex resumed>) = 0 [pid 11413] recvfrom(4, [pid 11417] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11414] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [ 160.627556][T11417] exfat: Bad value for 'uid' [pid 11413] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11412}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11414] <... futex resumed>) = 0 [pid 11417] getsockname(4, [pid 11414] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11417] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11414, nl_groups=00000000}, [116 => 12]) = 0 [pid 11417] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11414] <... futex resumed>) = 0 [pid 11417] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11414] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11414] <... futex resumed>) = 0 [pid 11417] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x96\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11414] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] <... ioctl resumed>) = 0 [pid 11413] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] close(3 [pid 11413] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11419] <... close resumed>) = 0 [pid 11413] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11412] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] close(4 [pid 11413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11412] <... futex resumed>) = 0 [pid 11419] <... close resumed>) = 0 [pid 11413] getsockname(4, [pid 11412] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] mkdir("./file0", 0777 [pid 11413] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11412, nl_groups=00000000}, [116 => 12]) = 0 [pid 11419] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11413] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11413] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11413] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11412] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11412] <... futex resumed>) = 0 [pid 11413] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x94\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11412] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11419] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11419] ioctl(3, LOOP_CLR_FD [pid 11406] <... sendmsg resumed>) = 64 [pid 11398] +++ exited with 0 +++ [ 160.663302][T11419] loop3: detected capacity change from 0 to 256 [ 160.665058][T11417] __nla_validate_parse: 90 callbacks suppressed [ 160.665072][T11417] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 160.676663][T11419] exfat: Bad value for 'uid' [pid 11419] <... ioctl resumed>) = 0 [pid 11406] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11398, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11406] <... futex resumed>) = 0 [pid 11406] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11421 [pid 11419] close(3./strace-static-x86_64: Process 11421 attached ) = 0 [pid 11405] exit_group(0 [pid 11416] <... futex resumed>) = ? [pid 11406] <... futex resumed>) = ? [pid 11405] <... exit_group resumed>) = ? [pid 11416] +++ exited with 0 +++ [pid 11406] +++ exited with 0 +++ [pid 11405] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11405, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11419] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11418] <... futex resumed>) = 0 [pid 11419] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11418] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] set_robust_list(0x5555555916a0, 24 [pid 11419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11418] <... futex resumed>) = 0 [pid 11421] <... set_robust_list resumed>) = 0 [pid 11421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11421] setpgid(0, 0 [pid 11418] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11421] <... setpgid resumed>) = 0 [pid 11421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11421] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 11421] write(3, "1000", 4) = 4 [pid 11421] close(3) = 0 [pid 11421] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11421] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11421] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11421] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] ioctl(3, LOOP_CLR_FD [pid 11421] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11423]}, 88) = 11423 [pid 11421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11421] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11421] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11423 attached [pid 11423] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] close(3) = 0 [pid 11423] memfd_create("syzkaller", 0) = 3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11424 [pid 11419] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11419] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11419] <... futex resumed>) = 1 [pid 11418] <... futex resumed>) = 0 [pid 11418] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11418] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11414] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11419] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11414] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11419] <... socket resumed>) = 4 [pid 11414] <... mprotect resumed>) = 0 [pid 11414] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11419] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] <... clone3 resumed> => {parent_tid=[11425]}, 88) = 11425 [pid 11414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11414] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11423] <... write resumed>) = 131072 [pid 11423] munmap(0x7fb91de38000, 138412032) = 0 [pid 11423] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11423] ioctl(4, LOOP_SET_FD, 3 [pid 11418] <... futex resumed>) = 0 [pid 11419] <... futex resumed>) = 1 [pid 11418] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11425 attached ./strace-static-x86_64: Process 11424 attached [pid 11419] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11418] <... futex resumed>) = 0 [pid 11419] <... sendto resumed>) = 32 [pid 11418] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11419] recvfrom(4, [pid 11412] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11418}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11412] <... futex resumed>) = 0 [pid 11419] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11425] set_robust_list(0x7fb9262379a0, 24 [pid 11423] <... ioctl resumed>) = 0 [pid 11419] <... futex resumed>) = 1 [pid 11418] <... futex resumed>) = 0 [pid 11412] <... mmap resumed>) = 0x7fb926217000 [pid 11425] <... set_robust_list resumed>) = 0 [pid 11424] set_robust_list(0x5555555916a0, 24 [pid 11423] close(3 [pid 11419] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11418] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11412] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11418] <... futex resumed>) = 0 [pid 11412] <... mprotect resumed>) = 0 [pid 11419] getsockname(4, [pid 11418] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11419] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11418, nl_groups=00000000}, [116 => 12]) = 0 [pid 11412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11425] rt_sigprocmask(SIG_SETMASK, [], [pid 11424] <... set_robust_list resumed>) = 0 [pid 11423] <... close resumed>) = 0 [pid 11419] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11419] <... futex resumed>) = 1 [pid 11418] <... futex resumed>) = 0 [pid 11418] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9a\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11418] <... futex resumed>) = 0 [pid 11412] <... clone3 resumed> => {parent_tid=[11426]}, 88) = 11426 [pid 11418] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11425] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11425] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] <... futex resumed>) = 0 [pid 11414] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11425] <... futex resumed>) = 1 [pid 11425] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11425] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] <... futex resumed>) = 0 [pid 11414] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11425] <... futex resumed>) = 1 [pid 11425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11423] close(4) = 0 [pid 11424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11423] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11423] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11426 attached [pid 11412] rt_sigprocmask(SIG_SETMASK, [], [pid 11424] <... prctl resumed>) = 0 [pid 11424] setpgid(0, 0) = 0 [pid 11424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11424] write(3, "1000", 4) = 4 [pid 11425] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] <... futex resumed>) = 0 [pid 11414] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11424] close(3 [pid 11425] <... futex resumed>) = 1 [pid 11424] <... close resumed>) = 0 [pid 11425] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11424] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11424] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11425] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] <... futex resumed>) = 0 [pid 11414] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11424] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11425] <... futex resumed>) = 1 [pid 11425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11424] <... mprotect resumed>) = 0 [pid 11426] set_robust_list(0x7fb9262379a0, 24 [pid 11425] <... bpf resumed>) = 8 [pid 11412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11426] <... set_robust_list resumed>) = 0 [pid 11424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11412] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11428]}, 88) = 11428 [pid 11424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11424] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11424] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11425] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] <... futex resumed>) = 0 [pid 11414] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11414] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11425] <... futex resumed>) = 1 [pid 11425] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11425] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] <... futex resumed>) = 0 [pid 11425] <... futex resumed>) = 1 [pid 11425] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11423] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11412] <... futex resumed>) = 0 [pid 11426] rt_sigprocmask(SIG_SETMASK, [], [pid 11412] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11423] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11423] <... openat resumed>) = 3 [pid 11423] ioctl(3, LOOP_CLR_FD [pid 11426] <... bpf resumed>) = 5 [pid 11426] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11428 attached ) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11428] set_robust_list(0x7fb9262589a0, 24 [pid 11412] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11426] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11412] <... futex resumed>) = 0 [pid 11412] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11426] <... bpf resumed>) = 0 [pid 11428] <... set_robust_list resumed>) = 0 [pid 11428] rt_sigprocmask(SIG_SETMASK, [], [pid 11426] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11426] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11428] memfd_create("syzkaller", 0) = 3 [pid 11428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11412] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11412] <... futex resumed>) = 0 [pid 11412] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11426] <... bpf resumed>) = 6 [pid 11426] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11428] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11426] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11412] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11428] <... write resumed>) = 131072 [pid 11428] munmap(0x7fb91de38000, 138412032 [pid 11412] <... futex resumed>) = 0 [pid 11412] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11426] <... bpf resumed>) = 7 [pid 11428] <... munmap resumed>) = 0 [pid 11428] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11426] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11428] <... openat resumed>) = 4 [pid 11428] ioctl(4, LOOP_SET_FD, 3 [pid 11426] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11412] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11412] <... futex resumed>) = 0 [pid 11412] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11426] <... bpf resumed>) = 8 [ 160.712893][T11413] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 160.738556][T11423] loop1: detected capacity change from 0 to 256 [ 160.746496][T11419] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 160.748536][T11423] exfat: Bad value for 'uid' [pid 11426] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11412] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11412] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11428] <... ioctl resumed>) = 0 [pid 11428] close(3 [pid 11426] <... bpf resumed>) = 9 [pid 11426] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11428] <... close resumed>) = 0 [pid 11426] <... futex resumed>) = 1 [pid 11412] <... futex resumed>) = 0 [pid 11426] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11428] close(4) = 0 [pid 11428] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11428] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11428] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11428] ioctl(3, LOOP_CLR_FD [pid 11418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11418] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11418] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11429 attached [pid 11429] set_robust_list(0x7fb9262379a0, 24 [pid 11418] <... clone3 resumed> => {parent_tid=[11429]}, 88) = 11429 [pid 11429] <... set_robust_list resumed>) = 0 [pid 11418] rt_sigprocmask(SIG_SETMASK, [], [pid 11429] rt_sigprocmask(SIG_SETMASK, [], [pid 11418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11418] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11429] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11418] <... futex resumed>) = 0 [pid 11429] <... bpf resumed>) = 5 [pid 11418] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11429] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11429] <... futex resumed>) = 0 [pid 11418] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11429] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11418] <... futex resumed>) = 0 [pid 11429] <... bpf resumed>) = 0 [pid 11418] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11429] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11429] <... futex resumed>) = 0 [pid 11418] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11418] <... futex resumed>) = 0 [pid 11418] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11429] <... bpf resumed>) = 6 [pid 11428] <... ioctl resumed>) = 0 [pid 11423] <... ioctl resumed>) = 0 [pid 11417] <... sendmsg resumed>) = 64 [pid 11428] close(3 [pid 11423] close(3 [pid 11417] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] exit_group(0 [pid 11428] <... close resumed>) = 0 [pid 11425] <... futex resumed>) = ? [pid 11423] <... close resumed>) = 0 [pid 11417] <... futex resumed>) = ? [pid 11414] <... exit_group resumed>) = ? [pid 11428] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11425] +++ exited with 0 +++ [pid 11423] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11417] +++ exited with 0 +++ [pid 11428] <... futex resumed>) = 1 [pid 11424] <... futex resumed>) = 0 [pid 11423] <... futex resumed>) = 1 [pid 11421] <... futex resumed>) = 0 [pid 11428] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11421] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11429] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11424] <... futex resumed>) = 0 [pid 11423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11421] <... futex resumed>) = 0 [pid 11429] <... futex resumed>) = 1 [pid 11428] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11424] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11423] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11421] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11418] <... futex resumed>) = 0 [pid 11429] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11428] <... socket resumed>) = 3 [pid 11423] <... socket resumed>) = 3 [pid 11418] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11428] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11418] <... futex resumed>) = 0 [pid 11429] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11428] <... futex resumed>) = 1 [pid 11424] <... futex resumed>) = 0 [pid 11423] <... futex resumed>) = 1 [pid 11421] <... futex resumed>) = 0 [pid 11418] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11428] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11421] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11424] <... futex resumed>) = 0 [pid 11423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11421] <... futex resumed>) = 0 [pid 11428] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11424] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11421] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11428] <... socket resumed>) = 4 [pid 11423] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11428] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11424] <... futex resumed>) = 0 [pid 11423] <... socket resumed>) = 4 [pid 11428] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11424] <... futex resumed>) = 0 [pid 11423] <... futex resumed>) = 1 [pid 11421] <... futex resumed>) = 0 [pid 11428] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11424] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11423] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11421] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11428] <... sendto resumed>) = 32 [pid 11423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11421] <... futex resumed>) = 0 [pid 11428] recvfrom(4, [pid 11423] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11421] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11428] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11424}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11423] <... sendto resumed>) = 32 [pid 11428] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] recvfrom(4, [pid 11428] <... futex resumed>) = 1 [pid 11424] <... futex resumed>) = 0 [pid 11423] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11421}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11428] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11424] <... futex resumed>) = 0 [pid 11423] <... futex resumed>) = 1 [pid 11424] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11421] <... futex resumed>) = 0 [pid 11428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11423] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11421] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11428] getsockname(4, [pid 11421] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11428] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11424, nl_groups=00000000}, [116 => 12]) = 0 [pid 11423] getsockname(4, [pid 11428] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11421, nl_groups=00000000}, [116 => 12]) = 0 [pid 11428] <... futex resumed>) = 1 [pid 11424] <... futex resumed>) = 0 [ 160.775818][T11428] loop2: detected capacity change from 0 to 256 [ 160.783768][T11428] exfat: Bad value for 'uid' [pid 11428] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa0\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11424] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11424] <... futex resumed>) = 0 [pid 11424] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11423] <... futex resumed>) = 1 [pid 11423] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11421] <... futex resumed>) = 0 [pid 11421] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11423] <... futex resumed>) = 0 [pid 11421] <... futex resumed>) = 1 [pid 11423] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9d\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11421] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11429] <... bpf resumed>) = 7 [pid 11413] <... sendmsg resumed>) = 64 [pid 11429] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11414] +++ exited with 0 +++ [pid 11429] <... futex resumed>) = 1 [pid 11418] <... futex resumed>) = 0 [pid 11413] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11412] exit_group(0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11414, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11426] <... futex resumed>) = ? [pid 11418] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11413] <... futex resumed>) = ? [pid 11412] <... exit_group resumed>) = ? [pid 11429] <... bpf resumed>) = 8 [pid 11426] +++ exited with 0 +++ [pid 11418] <... futex resumed>) = 0 [pid 11413] +++ exited with 0 +++ [pid 11418] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 11429] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 11429] <... futex resumed>) = 1 [pid 11418] <... futex resumed>) = 0 [pid 11429] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11418] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11418] <... futex resumed>) = 0 [pid 11429] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11418] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11432 ./strace-static-x86_64: Process 11432 attached [pid 11432] set_robust_list(0x5555555916a0, 24) = 0 [pid 11432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11432] setpgid(0, 0) = 0 [pid 11432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11432] write(3, "1000", 4) = 4 [pid 11432] close(3) = 0 [pid 11432] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11432] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11432] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11433 attached [pid 11433] set_robust_list(0x7fb9262589a0, 24 [pid 11432] <... clone3 resumed> => {parent_tid=[11433]}, 88) = 11433 [pid 11432] rt_sigprocmask(SIG_SETMASK, [], [pid 11433] <... set_robust_list resumed>) = 0 [pid 11433] rt_sigprocmask(SIG_SETMASK, [], [pid 11432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11432] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11433] memfd_create("syzkaller", 0 [pid 11432] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11433] <... memfd_create resumed>) = 3 [pid 11433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11433] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11433] munmap(0x7fb91de38000, 138412032) = 0 [ 160.834859][T11428] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 160.850501][T11423] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11433] ioctl(4, LOOP_SET_FD, 3 [pid 11424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11424] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11424] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11424] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11412] +++ exited with 0 +++ [pid 11433] <... ioctl resumed>) = 0 [pid 11429] <... bpf resumed>) = 9 [pid 11424] <... mmap resumed>) = 0x7fb926217000 [pid 11421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11433] close(3 [pid 11429] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11424] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11421] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11412, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11433] <... close resumed>) = 0 [pid 11429] <... futex resumed>) = 1 [pid 11424] <... mprotect resumed>) = 0 [pid 11421] <... futex resumed>) = 0 [pid 11418] <... futex resumed>) = 0 [pid 11424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11421] <... mmap resumed>) = 0x7fb926217000 [pid 300] <... openat resumed>) = 3 [pid 11429] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11421] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 300] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11434 attached [pid 11433] close(4 [pid 11421] <... mprotect resumed>) = 0 [pid 11434] set_robust_list(0x7fb9262379a0, 24 [pid 11424] <... clone3 resumed> => {parent_tid=[11434]}, 88) = 11434 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11434] <... set_robust_list resumed>) = 0 [pid 11421] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11424] rt_sigprocmask(SIG_SETMASK, [], [pid 300] close(3 [pid 11424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11421] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] <... close resumed>) = 0 [pid 11433] <... close resumed>) = 0 [pid 11433] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11433] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11424] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11424] <... futex resumed>) = 0 [pid 11433] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11424] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11421] <... clone3 resumed> => {parent_tid=[11435]}, 88) = 11435 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11436 [pid 11421] rt_sigprocmask(SIG_SETMASK, [], [pid 11433] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11433] <... openat resumed>) = 3 [pid 11421] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11433] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11436 attached [pid 11421] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11436] set_robust_list(0x5555555916a0, 24) = 0 [pid 11436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11436] setpgid(0, 0) = 0 [pid 11436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11436] write(3, "1000", 4) = 4 [pid 11436] close(3 [pid 11434] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11435 attached [pid 11436] <... close resumed>) = 0 [pid 11435] set_robust_list(0x7fb9262379a0, 24 [pid 11434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11436] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11436] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11436] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11435] <... set_robust_list resumed>) = 0 [pid 11434] <... bpf resumed>) = 5 [pid 11435] rt_sigprocmask(SIG_SETMASK, [], [pid 11436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11434] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11434] <... futex resumed>) = 1 [pid 11424] <... futex resumed>) = 0 [pid 11434] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11424] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11424] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11436] <... clone3 resumed> => {parent_tid=[11437]}, 88) = 11437 [pid 11436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11436] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11434] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11437 attached [pid 11435] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11434] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11437] set_robust_list(0x7fb9262589a0, 24 [pid 11436] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11435] <... bpf resumed>) = 5 [pid 11434] <... bpf resumed>) = 0 [pid 11435] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11434] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] <... set_robust_list resumed>) = 0 [pid 11435] <... futex resumed>) = 1 [pid 11434] <... futex resumed>) = 1 [pid 11424] <... futex resumed>) = 0 [pid 11421] <... futex resumed>) = 0 [pid 11437] rt_sigprocmask(SIG_SETMASK, [], [pid 11435] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11434] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11424] <... futex resumed>) = 0 [pid 11421] <... futex resumed>) = 0 [pid 11435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11419] <... sendmsg resumed>) = 64 [pid 11435] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11424] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11421] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] memfd_create("syzkaller", 0 [pid 11434] <... bpf resumed>) = 6 [pid 11419] <... futex resumed>) = 0 [pid 11435] <... bpf resumed>) = 0 [pid 11434] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11419] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11437] <... memfd_create resumed>) = 3 [pid 11437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11435] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11434] <... futex resumed>) = 1 [pid 11424] <... futex resumed>) = 0 [pid 11435] <... futex resumed>) = 1 [pid 11434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11424] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] <... futex resumed>) = 0 [pid 11437] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11435] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11434] <... bpf resumed>) = 7 [pid 11424] <... futex resumed>) = 0 [pid 11421] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11418] exit_group(0 [pid 11435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11434] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11429] <... futex resumed>) = ? [pid 11424] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11421] <... futex resumed>) = 0 [pid 11419] <... futex resumed>) = ? [pid 11418] <... exit_group resumed>) = ? [pid 11437] <... write resumed>) = 131072 [pid 11435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11434] <... futex resumed>) = 0 [pid 11429] +++ exited with 0 +++ [pid 11424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11421] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11419] +++ exited with 0 +++ [pid 11437] munmap(0x7fb91de38000, 138412032 [pid 11435] <... bpf resumed>) = 6 [pid 11434] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] <... munmap resumed>) = 0 [pid 11435] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11424] <... futex resumed>) = 0 [pid 11435] <... futex resumed>) = 1 [pid 11434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11424] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11421] <... futex resumed>) = 0 [pid 11437] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11435] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11437] <... openat resumed>) = 4 [pid 11437] ioctl(4, LOOP_SET_FD, 3 [pid 11435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11434] <... bpf resumed>) = 8 [pid 11421] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11435] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11434] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] <... futex resumed>) = 0 [pid 11434] <... futex resumed>) = 1 [pid 11424] <... futex resumed>) = 0 [pid 11421] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11434] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11424] <... futex resumed>) = 0 [pid 11434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11424] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11437] <... ioctl resumed>) = 0 [pid 11437] close(3) = 0 [pid 11437] close(4) = 0 [pid 11437] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11437] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11437] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11418] +++ exited with 0 +++ [pid 11435] <... bpf resumed>) = 7 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11418, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11437] ioctl(3, LOOP_CLR_FD [pid 11434] <... bpf resumed>) = 9 [pid 11435] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11434] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11435] <... futex resumed>) = 1 [pid 11421] <... futex resumed>) = 0 [pid 11434] <... futex resumed>) = 1 [pid 11435] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11424] <... futex resumed>) = 0 [pid 11421] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11434] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11421] <... futex resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 11435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11421] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 11435] <... bpf resumed>) = 8 [pid 299] <... close resumed>) = 0 [pid 11435] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11421] <... futex resumed>) = 0 [pid 11435] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11421] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11435] <... bpf resumed>) = 9 [pid 11421] <... futex resumed>) = 0 [pid 11435] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11435] <... futex resumed>) = 0 [pid 11421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11435] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11438 ./strace-static-x86_64: Process 11438 attached [pid 11438] set_robust_list(0x5555555916a0, 24) = 0 [pid 11438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11438] setpgid(0, 0) = 0 [pid 11438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11438] write(3, "1000", 4) = 4 [pid 11438] close(3) = 0 [pid 11438] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11438] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11438] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11439 attached => {parent_tid=[11439]}, 88) = 11439 [pid 11439] set_robust_list(0x7fb9262589a0, 24 [pid 11438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11438] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11438] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11439] <... set_robust_list resumed>) = 0 [pid 11439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11439] memfd_create("syzkaller", 0) = 3 [pid 11439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11439] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11439] munmap(0x7fb91de38000, 138412032) = 0 [pid 11439] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 160.881425][T11433] loop0: detected capacity change from 0 to 256 [ 160.891817][T11433] exfat: Bad value for 'uid' [ 160.914717][T11437] loop4: detected capacity change from 0 to 256 [ 160.922272][T11437] exfat: Bad value for 'uid' [pid 11439] ioctl(4, LOOP_SET_FD, 3 [pid 11433] <... ioctl resumed>) = 0 [pid 11433] close(3) = 0 [pid 11433] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11432] <... futex resumed>) = 0 [pid 11433] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11432] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11432] <... futex resumed>) = 0 [pid 11433] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11432] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11433] <... socket resumed>) = 3 [pid 11433] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11432] <... futex resumed>) = 0 [pid 11433] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11432] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11432] <... futex resumed>) = 0 [pid 11433] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11432] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11433] <... socket resumed>) = 4 [pid 11433] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11432] <... futex resumed>) = 0 [pid 11433] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11432] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11432] <... futex resumed>) = 0 [pid 11433] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11432] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11433] <... sendto resumed>) = 32 [pid 11433] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11432}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11433] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11432] <... futex resumed>) = 0 [pid 11433] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11432] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11432] <... futex resumed>) = 0 [pid 11433] getsockname(4, [pid 11432] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11433] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11432, nl_groups=00000000}, [116 => 12]) = 0 [pid 11433] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11432] <... futex resumed>) = 0 [pid 11433] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11432] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11432] <... futex resumed>) = 0 [pid 11433] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa8\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11432] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11437] <... ioctl resumed>) = 0 [pid 11428] <... sendmsg resumed>) = 64 [pid 11428] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] close(3 [pid 11424] exit_group(0 [pid 11434] <... futex resumed>) = ? [pid 11424] <... exit_group resumed>) = ? [pid 11434] +++ exited with 0 +++ [pid 11428] <... futex resumed>) = ? [pid 11437] <... close resumed>) = 0 [pid 11439] <... ioctl resumed>) = 0 [pid 11439] close(3 [pid 11437] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11437] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11436] <... futex resumed>) = 0 [pid 11437] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11436] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11437] <... socket resumed>) = 3 [pid 11437] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11437] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11436] <... futex resumed>) = 0 [pid 11437] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11436] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11437] <... socket resumed>) = 4 [pid 11437] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11437] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11436] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11436] <... futex resumed>) = 0 [pid 11436] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11439] <... close resumed>) = 0 [pid 11439] close(4) = 0 [pid 11439] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11439] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11437] <... sendto resumed>) = 32 [pid 11437] recvfrom(4, [pid 11439] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11437] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11436}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11439] <... openat resumed>) = 3 [pid 11437] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11437] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11436] <... futex resumed>) = 0 [pid 11437] getsockname(4, [pid 11436] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11437] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11436, nl_groups=00000000}, [116 => 12]) = 0 [pid 11437] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11439] ioctl(3, LOOP_CLR_FD [pid 11437] <... futex resumed>) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11437] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11436] <... futex resumed>) = 0 [pid 11437] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xac\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 160.944490][T11439] loop3: detected capacity change from 0 to 256 [ 160.950738][ T318] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 160.961278][T11433] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 160.986589][T11439] exfat: Bad value for 'uid' [pid 11436] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11423] <... sendmsg resumed>) = 64 [pid 11423] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11423] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11439] <... ioctl resumed>) = 0 [pid 11439] close(3) = 0 [pid 11439] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11421] exit_group(0 [pid 11439] <... futex resumed>) = 1 [pid 11435] <... futex resumed>) = ? [pid 11421] <... exit_group resumed>) = ? [pid 11439] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11438] <... futex resumed>) = 0 [pid 11435] +++ exited with 0 +++ [pid 11423] <... futex resumed>) = ? [pid 11438] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11439] <... futex resumed>) = 0 [pid 11438] <... futex resumed>) = 1 [pid 11432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11438] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11432] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11439] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11432] <... futex resumed>) = 0 [pid 11432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11439] <... socket resumed>) = 3 [pid 11432] <... mmap resumed>) = 0x7fb926217000 [pid 11432] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11439] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11432] <... clone3 resumed> => {parent_tid=[11442]}, 88) = 11442 [pid 11432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11439] <... futex resumed>) = 1 [pid 11438] <... futex resumed>) = 0 [pid 11432] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11438] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11439] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11432] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11438] <... futex resumed>) = 0 [pid 11438] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11442 attached [pid 11442] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11442] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11439] <... socket resumed>) = 4 [pid 11442] <... bpf resumed>) = 5 [pid 11442] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11432] <... futex resumed>) = 0 [pid 11439] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11432] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11432] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11439] <... futex resumed>) = 1 [pid 11438] <... futex resumed>) = 0 [pid 11439] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11438] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11428] +++ exited with 0 +++ [pid 11439] <... sendto resumed>) = 32 [pid 11424] +++ exited with 0 +++ [pid 11423] +++ exited with 0 +++ [pid 11421] +++ exited with 0 +++ [pid 11439] recvfrom(4, [pid 11438] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11439] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11438}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11424, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11421, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11439] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11442] <... futex resumed>) = 1 [pid 11442] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11442] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11432] <... futex resumed>) = 0 [pid 11442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11432] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11442] <... bpf resumed>) = 6 [pid 11439] <... futex resumed>) = 1 [pid 11438] <... futex resumed>) = 0 [pid 11432] <... futex resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 11439] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11438] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11432] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11442] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11438] <... futex resumed>) = 0 [pid 11442] <... futex resumed>) = 1 [pid 11439] getsockname(4, [pid 11438] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11432] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11442] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11439] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11438, nl_groups=00000000}, [116 => 12]) = 0 [pid 11432] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 11432] <... futex resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 297] ioctl(3, LOOP_CLR_FD [pid 11439] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11432] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11439] <... futex resumed>) = 1 [pid 11438] <... futex resumed>) = 0 [pid 298] close(3 [pid 297] close(3 [pid 11439] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xae\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11438] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11443 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11444 [pid 11438] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11444 attached ./strace-static-x86_64: Process 11443 attached [pid 11438] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11444] set_robust_list(0x5555555916a0, 24 [pid 11443] set_robust_list(0x5555555916a0, 24) = 0 [pid 11444] <... set_robust_list resumed>) = 0 [pid 11443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11443] <... prctl resumed>) = 0 [pid 11443] setpgid(0, 0 [pid 11444] <... prctl resumed>) = 0 [pid 11444] setpgid(0, 0 [pid 11443] <... setpgid resumed>) = 0 [pid 11444] <... setpgid resumed>) = 0 [pid 11443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11443] <... openat resumed>) = 3 [pid 11444] <... openat resumed>) = 3 [pid 11443] write(3, "1000", 4 [pid 11444] write(3, "1000", 4 [pid 11443] <... write resumed>) = 4 [pid 11442] <... bpf resumed>) = 7 [pid 11444] <... write resumed>) = 4 [pid 11443] close(3 [pid 11442] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11444] close(3 [pid 11443] <... close resumed>) = 0 [pid 11436] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] <... close resumed>) = 0 [pid 11443] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11442] <... futex resumed>) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11432] <... futex resumed>) = 0 [pid 11444] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] <... futex resumed>) = 0 [pid 11442] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11432] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] <... futex resumed>) = 0 [pid 11443] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11436] <... mmap resumed>) = 0x7fb926217000 [pid 11432] <... futex resumed>) = 0 [pid 11444] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11443] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11436] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11432] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11444] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11436] <... mprotect resumed>) = 0 [pid 11444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11442] <... bpf resumed>) = 8 [pid 11436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11443] <... mmap resumed>) = 0x7fb926238000 [pid 11442] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11444] <... mmap resumed>) = 0x7fb926238000 [pid 11443] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11442] <... futex resumed>) = 1 [pid 11432] <... futex resumed>) = 0 [pid 11444] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11443] <... mprotect resumed>) = 0 [pid 11442] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11432] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11432] <... futex resumed>) = 0 [pid 11444] <... mprotect resumed>) = 0 [pid 11442] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11432] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 11446 attached [pid 11444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11442] <... bpf resumed>) = 9 [pid 11436] <... clone3 resumed> => {parent_tid=[11446]}, 88) = 11446 [pid 11442] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11432] <... futex resumed>) = 0 [pid 11442] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] rt_sigprocmask(SIG_SETMASK, [], [pid 11444] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11446] set_robust_list(0x7fb9262379a0, 24 [pid 11436] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11446] <... set_robust_list resumed>) = 0 [pid 11446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11446] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11436] <... futex resumed>) = 0 [pid 11446] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11436] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11444] <... clone3 resumed> => {parent_tid=[11447]}, 88) = 11447 [pid 11443] <... clone3 resumed> => {parent_tid=[11448]}, 88) = 11448 [pid 11446] <... futex resumed>) = 0 [pid 11436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11444] rt_sigprocmask(SIG_SETMASK, [], [pid 11443] rt_sigprocmask(SIG_SETMASK, [], [pid 11446] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11447 attached [pid 11444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11436] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11448 attached [pid 11447] set_robust_list(0x7fb9262589a0, 24 [pid 11446] <... futex resumed>) = 0 [pid 11444] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11436] <... futex resumed>) = 1 [pid 11448] set_robust_list(0x7fb9262589a0, 24 [pid 11447] <... set_robust_list resumed>) = 0 [pid 11446] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11444] <... futex resumed>) = 0 [pid 11443] <... futex resumed>) = 0 [pid 11436] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11448] <... set_robust_list resumed>) = 0 [pid 11447] rt_sigprocmask(SIG_SETMASK, [], [pid 11446] <... bpf resumed>) = 0 [pid 11444] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11443] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11448] rt_sigprocmask(SIG_SETMASK, [], [pid 11447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11446] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11447] memfd_create("syzkaller", 0 [pid 11446] <... futex resumed>) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11448] memfd_create("syzkaller", 0 [pid 11447] <... memfd_create resumed>) = 3 [pid 11446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11436] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] <... memfd_create resumed>) = 3 [pid 11447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11436] <... futex resumed>) = 0 [pid 11448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11447] <... mmap resumed>) = 0x7fb91de38000 [pid 11446] <... bpf resumed>) = 6 [pid 11436] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11448] <... mmap resumed>) = 0x7fb91de38000 [pid 11447] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11446] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11447] <... write resumed>) = 131072 [pid 11446] <... futex resumed>) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11448] <... write resumed>) = 131072 [pid 11447] munmap(0x7fb91de38000, 138412032 [pid 11436] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11448] munmap(0x7fb91de38000, 138412032 [pid 11447] <... munmap resumed>) = 0 [pid 11436] <... futex resumed>) = 0 [pid 11448] <... munmap resumed>) = 0 [pid 11447] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11436] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11448] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11447] <... openat resumed>) = 4 [pid 11448] <... openat resumed>) = 4 [ 160.997133][T11437] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 161.030938][T11439] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11447] ioctl(4, LOOP_SET_FD, 3 [pid 11446] <... bpf resumed>) = 7 [pid 11433] <... sendmsg resumed>) = 64 [pid 11448] ioctl(4, LOOP_SET_FD, 3 [pid 11447] <... ioctl resumed>) = 0 [pid 11433] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11447] close(3 [pid 11433] <... futex resumed>) = 0 [pid 11447] <... close resumed>) = 0 [pid 11433] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11447] close(4 [pid 11448] <... ioctl resumed>) = 0 [pid 11447] <... close resumed>) = 0 [pid 11446] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] close(3 [pid 11447] mkdir("./file0", 0777 [pid 11446] <... futex resumed>) = 1 [pid 11436] <... futex resumed>) = 0 [pid 11448] <... close resumed>) = 0 [pid 11447] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11446] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] close(4 [pid 11447] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11436] <... futex resumed>) = 0 [pid 11432] exit_group(0 [pid 11442] <... futex resumed>) = ? [pid 11432] <... exit_group resumed>) = ? [pid 11442] +++ exited with 0 +++ [pid 11436] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11433] <... futex resumed>) = ? [pid 11446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11447] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11447] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11438] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11438] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11447] ioctl(3, LOOP_CLR_FD [pid 11438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11438] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11448] <... close resumed>) = 0 [pid 11448] mkdir("./file0", 0777 [pid 11438] <... mprotect resumed>) = 0 [pid 11448] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11438] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11448] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11438] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11449]}, 88) = 11449 [pid 11438] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11449 attached [pid 11446] <... bpf resumed>) = 8 [pid 11438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11446] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11438] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11446] <... futex resumed>) = 1 [pid 11438] <... futex resumed>) = 0 [pid 11436] <... futex resumed>) = 0 [pid 11446] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11438] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11436] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11436] <... futex resumed>) = 0 [pid 11446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11436] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11449] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11449] rt_sigprocmask(SIG_SETMASK, [], [pid 11448] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11448] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11449] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11448] <... openat resumed>) = 3 [pid 11449] <... bpf resumed>) = 5 [pid 11449] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11438] <... futex resumed>) = 0 [pid 11449] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11438] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11449] <... bpf resumed>) = 0 [pid 11449] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11449] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11438] <... futex resumed>) = 0 [pid 11438] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11448] ioctl(3, LOOP_CLR_FD [pid 11438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11438] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11449] <... futex resumed>) = 0 [pid 11438] <... futex resumed>) = 1 [pid 11449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11438] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11449] <... bpf resumed>) = 6 [pid 11449] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11438] <... futex resumed>) = 0 [pid 11438] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11438] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11449] <... futex resumed>) = 1 [pid 11449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11433] +++ exited with 0 +++ [pid 11432] +++ exited with 0 +++ [pid 11449] <... bpf resumed>) = 7 [pid 11446] <... bpf resumed>) = 9 [pid 11449] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11446] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11432, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11449] <... futex resumed>) = 1 [pid 11446] <... futex resumed>) = 1 [pid 11438] <... futex resumed>) = 0 [pid 11436] <... futex resumed>) = 0 [pid 11449] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11446] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11438] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11438] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 11449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11438] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 11449] <... bpf resumed>) = 8 [pid 294] <... close resumed>) = 0 [pid 11449] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11438] <... futex resumed>) = 0 [pid 11449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11438] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11449] <... bpf resumed>) = 9 [pid 11438] <... futex resumed>) = 0 [pid 11438] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11449] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11438] <... futex resumed>) = 0 [pid 11449] <... futex resumed>) = 1 [pid 11449] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11450 ./strace-static-x86_64: Process 11450 attached [pid 11450] set_robust_list(0x5555555916a0, 24) = 0 [pid 11450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11450] setpgid(0, 0) = 0 [pid 11450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11450] write(3, "1000", 4) = 4 [pid 11450] close(3) = 0 [pid 11450] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11450] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11450] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11450] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11437] <... sendmsg resumed>) = 64 [pid 11450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11437] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11437] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11436] exit_group(0 [pid 11450] <... clone3 resumed> => {parent_tid=[11451]}, 88) = 11451 [pid 11446] <... futex resumed>) = ? [pid 11436] <... exit_group resumed>) = ? [pid 11450] rt_sigprocmask(SIG_SETMASK, [], [pid 11446] +++ exited with 0 +++ [pid 11437] <... futex resumed>) = ? [pid 11450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11450] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11450] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11451 attached [pid 11451] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11451] memfd_create("syzkaller", 0) = 3 [pid 11451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11451] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11451] munmap(0x7fb91de38000, 138412032) = 0 [pid 11451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 161.065431][T11447] loop1: detected capacity change from 0 to 256 [ 161.073368][T11448] loop2: detected capacity change from 0 to 256 [ 161.085283][T11447] exfat: Bad value for 'uid' [ 161.093462][T11448] exfat: Bad value for 'uid' [pid 11451] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11451] close(3) = 0 [pid 11451] close(4) = 0 [pid 11451] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11451] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11451] ioctl(3, LOOP_CLR_FD [pid 11447] <... ioctl resumed>) = 0 [pid 11447] close(3) = 0 [pid 11447] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11444] <... futex resumed>) = 0 [pid 11447] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11444] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11447] <... socket resumed>) = 3 [pid 11444] <... futex resumed>) = 0 [pid 11447] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11447] <... futex resumed>) = 0 [pid 11444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11447] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11444] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11447] <... socket resumed>) = 4 [pid 11444] <... futex resumed>) = 0 [pid 11447] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11447] <... futex resumed>) = 0 [pid 11444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11447] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11444] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11447] <... sendto resumed>) = 32 [pid 11444] <... futex resumed>) = 0 [pid 11447] recvfrom(4, [pid 11444] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11447] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11444}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11447] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11444] <... futex resumed>) = 0 [pid 11447] getsockname(4, [pid 11444] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11447] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11444, nl_groups=00000000}, [116 => 12]) = 0 [pid 11444] <... futex resumed>) = 0 [pid 11447] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11447] <... futex resumed>) = 0 [pid 11444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11447] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb4\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11444] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11444] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11451] <... ioctl resumed>) = 0 [pid 11448] <... ioctl resumed>) = 0 [pid 11439] <... sendmsg resumed>) = 64 [pid 11451] close(3 [pid 11439] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11451] <... close resumed>) = 0 [pid 11439] <... futex resumed>) = 0 [pid 11451] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] close(3 [pid 11439] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11437] +++ exited with 0 +++ [pid 11436] +++ exited with 0 +++ [pid 11451] <... futex resumed>) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11448] <... close resumed>) = 0 [pid 11438] exit_group(0 [pid 11451] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11450] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11436, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11449] <... futex resumed>) = ? [pid 11439] <... futex resumed>) = ? [pid 11438] <... exit_group resumed>) = ? [pid 11451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11450] <... futex resumed>) = 0 [pid 11449] +++ exited with 0 +++ [pid 11448] <... futex resumed>) = 1 [pid 11443] <... futex resumed>) = 0 [pid 11439] +++ exited with 0 +++ [pid 11451] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11450] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11443] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11451] <... socket resumed>) = 3 [pid 11443] <... futex resumed>) = 0 [pid 11451] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11451] <... futex resumed>) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11451] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11450] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11450] <... futex resumed>) = 0 [pid 11451] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11450] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11451] <... socket resumed>) = 4 [pid 11451] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11438] +++ exited with 0 +++ [pid 11451] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11450] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11438, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11450] <... futex resumed>) = 0 [pid 11451] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11450] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11448] <... socket resumed>) = 3 [pid 11451] <... sendto resumed>) = 32 [pid 11448] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11451] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11450}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11448] <... futex resumed>) = 1 [pid 11443] <... futex resumed>) = 0 [pid 11451] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11443] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11451] <... futex resumed>) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11443] <... futex resumed>) = 0 [pid 11451] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11450] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11443] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11450] <... futex resumed>) = 0 [pid 11448] <... socket resumed>) = 4 [pid 11451] getsockname(4, [pid 11450] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11448] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11451] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11450, nl_groups=00000000}, [116 => 12]) = 0 [pid 11448] <... futex resumed>) = 1 [pid 11443] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 299] <... openat resumed>) = 3 [pid 11451] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11443] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] ioctl(3, LOOP_CLR_FD [pid 11451] <... futex resumed>) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11443] <... futex resumed>) = 0 [pid 300] close(3 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11451] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11450] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11448] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11443] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... close resumed>) = 0 [pid 299] close(3 [pid 11451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11450] <... futex resumed>) = 0 [pid 11448] <... sendto resumed>) = 32 [ 161.121584][T11451] loop0: detected capacity change from 0 to 256 [ 161.129940][T11451] exfat: Bad value for 'uid' [ 161.142114][T11447] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11451] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xba\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11450] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11448] recvfrom(4, [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... close resumed>) = 0 [pid 11448] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11443}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11448] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11453 [pid 11448] <... futex resumed>) = 1 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11454 [pid 11448] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11443] <... futex resumed>) = 0 [pid 11443] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11454 attached ./strace-static-x86_64: Process 11453 attached [pid 11448] <... futex resumed>) = 0 [pid 11443] <... futex resumed>) = 1 [pid 11454] set_robust_list(0x5555555916a0, 24 [pid 11453] set_robust_list(0x5555555916a0, 24 [pid 11448] getsockname(4, [pid 11443] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11454] <... set_robust_list resumed>) = 0 [pid 11453] <... set_robust_list resumed>) = 0 [pid 11448] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11443, nl_groups=00000000}, [116 => 12]) = 0 [pid 11454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11454] <... prctl resumed>) = 0 [pid 11453] <... prctl resumed>) = 0 [pid 11448] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] setpgid(0, 0 [pid 11453] setpgid(0, 0 [pid 11448] <... futex resumed>) = 1 [pid 11443] <... futex resumed>) = 0 [pid 11454] <... setpgid resumed>) = 0 [pid 11453] <... setpgid resumed>) = 0 [pid 11448] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11443] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11443] <... futex resumed>) = 0 [pid 11454] <... openat resumed>) = 3 [pid 11453] <... openat resumed>) = 3 [pid 11448] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb3\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11443] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11454] write(3, "1000", 4 [pid 11453] write(3, "1000", 4 [pid 11454] <... write resumed>) = 4 [pid 11453] <... write resumed>) = 4 [pid 11454] close(3 [pid 11453] close(3 [pid 11454] <... close resumed>) = 0 [pid 11453] <... close resumed>) = 0 [pid 11454] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] <... futex resumed>) = 0 [pid 11453] <... futex resumed>) = 0 [pid 11454] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11453] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11454] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11453] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11454] <... mmap resumed>) = 0x7fb926238000 [pid 11453] <... mmap resumed>) = 0x7fb926238000 [pid 11454] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11453] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11454] <... mprotect resumed>) = 0 [pid 11454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11453] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 11456 attached [pid 11454] <... clone3 resumed> => {parent_tid=[11456]}, 88) = 11456 [pid 11454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11454] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11454] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11456] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11456] rt_sigprocmask(SIG_SETMASK, [], [pid 11453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11456] memfd_create("syzkaller", 0) = 3 [pid 11456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11444] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11444] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11453] <... clone3 resumed> => {parent_tid=[11458]}, 88) = 11458 [pid 11444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11444] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11456] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11444] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11453] rt_sigprocmask(SIG_SETMASK, [], [pid 11444] <... mprotect resumed>) = 0 [pid 11444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11456] <... write resumed>) = 131072 [pid 11453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11444] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 11458 attached [pid 11453] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11458] set_robust_list(0x7fb9262589a0, 24 [pid 11453] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11459 attached [pid 11458] <... set_robust_list resumed>) = 0 [pid 11453] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11444] <... clone3 resumed> => {parent_tid=[11459]}, 88) = 11459 [pid 11459] set_robust_list(0x7fb9262379a0, 24 [pid 11458] rt_sigprocmask(SIG_SETMASK, [], [pid 11456] munmap(0x7fb91de38000, 138412032 [pid 11444] rt_sigprocmask(SIG_SETMASK, [], [pid 11459] <... set_robust_list resumed>) = 0 [pid 11458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11456] <... munmap resumed>) = 0 [pid 11444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11459] rt_sigprocmask(SIG_SETMASK, [], [pid 11458] memfd_create("syzkaller", 0 [pid 11456] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11444] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11458] <... memfd_create resumed>) = 3 [pid 11456] <... openat resumed>) = 4 [pid 11444] <... futex resumed>) = 0 [pid 11459] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11456] ioctl(4, LOOP_SET_FD, 3 [ 161.167477][T11451] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11444] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11459] <... bpf resumed>) = 5 [pid 11458] <... mmap resumed>) = 0x7fb91de38000 [pid 11456] <... ioctl resumed>) = 0 [pid 11459] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11456] close(3 [pid 11459] <... futex resumed>) = 1 [pid 11456] <... close resumed>) = 0 [pid 11444] <... futex resumed>) = 0 [pid 11459] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11458] <... write resumed>) = 131072 [pid 11456] close(4 [pid 11444] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] munmap(0x7fb91de38000, 138412032 [pid 11459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11456] <... close resumed>) = 0 [pid 11444] <... futex resumed>) = 0 [pid 11459] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11456] mkdir("./file0", 0777 [pid 11444] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11459] <... bpf resumed>) = 0 [pid 11456] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11459] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11459] <... futex resumed>) = 1 [pid 11458] <... munmap resumed>) = 0 [pid 11444] <... futex resumed>) = 0 [pid 11458] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11458] ioctl(4, LOOP_SET_FD, 3 [pid 11459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11456] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11444] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11459] <... bpf resumed>) = 6 [pid 11444] <... futex resumed>) = 0 [pid 11459] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11459] <... futex resumed>) = 0 [pid 11444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11459] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11444] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11456] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11444] <... futex resumed>) = 0 [pid 11459] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11456] <... openat resumed>) = 3 [pid 11444] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11459] <... bpf resumed>) = 7 [pid 11456] ioctl(3, LOOP_CLR_FD [pid 11459] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] <... ioctl resumed>) = 0 [pid 11459] <... futex resumed>) = 1 [pid 11458] close(3 [pid 11444] <... futex resumed>) = 0 [pid 11459] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11458] <... close resumed>) = 0 [pid 11459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11444] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] close(4 [pid 11459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11444] <... futex resumed>) = 0 [pid 11459] <... bpf resumed>) = 8 [pid 11444] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11459] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11459] <... futex resumed>) = 0 [pid 11444] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11459] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11444] <... futex resumed>) = 0 [pid 11459] <... bpf resumed>) = 9 [pid 11444] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11459] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11459] <... futex resumed>) = 0 [pid 11459] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11458] <... close resumed>) = 0 [pid 11450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11458] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11458] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11450] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11450] <... futex resumed>) = 0 [pid 11443] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11443] <... futex resumed>) = 0 [pid 11450] <... mmap resumed>) = 0x7fb926217000 [pid 11443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11450] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11443] <... mmap resumed>) = 0x7fb926217000 [pid 11450] <... mprotect resumed>) = 0 [pid 11443] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11443] <... mprotect resumed>) = 0 [pid 11450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11450] <... clone3 resumed> => {parent_tid=[11460]}, 88) = 11460 [pid 11450] rt_sigprocmask(SIG_SETMASK, [], [pid 11443] <... clone3 resumed> => {parent_tid=[11461]}, 88) = 11461 [pid 11450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11443] rt_sigprocmask(SIG_SETMASK, [], [pid 11450] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11450] <... futex resumed>) = 0 [pid 11443] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11450] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11443] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11461 attached [pid 11443] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11461] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11460 attached [pid 11461] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11458] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11461] <... bpf resumed>) = 5 [pid 11460] set_robust_list(0x7fb9262379a0, 24 [pid 11461] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11460] <... set_robust_list resumed>) = 0 [pid 11460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11460] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11461] <... futex resumed>) = 1 [pid 11458] <... openat resumed>) = 3 [pid 11443] <... futex resumed>) = 0 [pid 11460] <... bpf resumed>) = 5 [pid 11443] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11461] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11460] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] ioctl(3, LOOP_CLR_FD [pid 11443] <... futex resumed>) = 0 [pid 11461] <... bpf resumed>) = 0 [pid 11443] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11450] <... futex resumed>) = 0 [pid 11450] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11450] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11460] <... futex resumed>) = 1 [pid 11461] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11460] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11461] <... futex resumed>) = 1 [pid 11443] <... futex resumed>) = 0 [pid 11443] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11460] <... bpf resumed>) = 0 [pid 11443] <... futex resumed>) = 0 [pid 11461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11443] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11460] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11461] <... bpf resumed>) = 6 [pid 11460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11450] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11461] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11450] <... futex resumed>) = 0 [pid 11461] <... futex resumed>) = 1 [pid 11460] <... bpf resumed>) = 6 [pid 11450] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11443] <... futex resumed>) = 0 [pid 11443] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11443] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11460] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11461] <... bpf resumed>) = 7 [pid 11450] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11461] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11450] <... futex resumed>) = 0 [pid 11461] <... futex resumed>) = 1 [pid 11450] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11443] <... futex resumed>) = 0 [pid 11461] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11443] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11443] <... futex resumed>) = 0 [pid 11461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11443] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11460] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11460] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11450] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11461] <... bpf resumed>) = 8 [pid 11460] <... bpf resumed>) = 8 [pid 11450] <... futex resumed>) = 0 [pid 11461] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11450] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11461] <... futex resumed>) = 1 [pid 11443] <... futex resumed>) = 0 [pid 11461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11443] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11460] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11443] <... futex resumed>) = 0 [pid 11460] <... futex resumed>) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11443] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11461] <... bpf resumed>) = 9 [pid 11460] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11450] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11450] <... futex resumed>) = 0 [pid 11461] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11460] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11450] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11461] <... futex resumed>) = 1 [pid 11460] <... bpf resumed>) = 9 [pid 11443] <... futex resumed>) = 0 [pid 11461] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11460] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11450] <... futex resumed>) = 0 [pid 11460] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11456] <... ioctl resumed>) = 0 [pid 11447] <... sendmsg resumed>) = 64 [pid 11447] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11447] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11444] exit_group(0 [pid 11459] <... futex resumed>) = ? [pid 11447] <... futex resumed>) = ? [pid 11444] <... exit_group resumed>) = ? [pid 11459] +++ exited with 0 +++ [pid 11456] close(3 [pid 11447] +++ exited with 0 +++ [pid 11444] +++ exited with 0 +++ [pid 11456] <... close resumed>) = 0 [pid 11456] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11444, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11456] <... futex resumed>) = 1 [pid 11454] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11456] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11454] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 11456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11454] <... futex resumed>) = 0 [pid 11456] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11454] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11456] <... socket resumed>) = 3 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11456] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... openat resumed>) = 3 [pid 11456] <... futex resumed>) = 1 [pid 11454] <... futex resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11456] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11454] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11454] <... futex resumed>) = 0 [pid 297] close(3 [pid 11456] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11454] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... close resumed>) = 0 [pid 11456] <... socket resumed>) = 4 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11456] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11462 [pid 11456] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11454] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] <... futex resumed>) = 0 [pid 11454] <... futex resumed>) = 1 [pid 11456] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11454] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11462 attached [pid 11456] <... sendto resumed>) = 32 [pid 11462] set_robust_list(0x5555555916a0, 24 [pid 11456] recvfrom(4, [pid 11462] <... set_robust_list resumed>) = 0 [pid 11456] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11454}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11456] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11462] <... prctl resumed>) = 0 [pid 11456] <... futex resumed>) = 1 [pid 11454] <... futex resumed>) = 0 [pid 11456] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11454] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11454] <... futex resumed>) = 0 [pid 11456] getsockname(4, [pid 11462] setpgid(0, 0 [pid 11456] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11454, nl_groups=00000000}, [116 => 12]) = 0 [pid 11454] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11462] <... setpgid resumed>) = 0 [pid 11456] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11456] <... futex resumed>) = 0 [pid 11454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11456] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11462] <... openat resumed>) = 3 [pid 11456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11454] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xbe\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11454] <... futex resumed>) = 0 [pid 11462] write(3, "1000", 4) = 4 [pid 11462] close(3) = 0 [pid 11462] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11462] <... futex resumed>) = 0 [pid 11462] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11462] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11464]}, 88) = 11464 [pid 11462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11462] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11464 attached ) = 0 [pid 11458] <... ioctl resumed>) = 0 [pid 11464] set_robust_list(0x7fb9262589a0, 24 [pid 11458] close(3 [pid 11464] <... set_robust_list resumed>) = 0 [pid 11458] <... close resumed>) = 0 [pid 11464] rt_sigprocmask(SIG_SETMASK, [], [pid 11458] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11464] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 161.201557][T11456] loop3: detected capacity change from 0 to 256 [ 161.212218][T11456] exfat: Bad value for 'uid' [ 161.215165][T11458] loop4: detected capacity change from 0 to 256 [ 161.232549][T11458] exfat: Bad value for 'uid' [pid 11458] <... futex resumed>) = 1 [pid 11453] <... futex resumed>) = 0 [pid 11464] memfd_create("syzkaller", 0 [pid 11458] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11453] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11464] <... memfd_create resumed>) = 3 [pid 11458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11453] <... futex resumed>) = 0 [pid 11464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11458] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11453] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11464] <... mmap resumed>) = 0x7fb91de38000 [pid 11458] <... socket resumed>) = 3 [pid 11462] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11458] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11453] <... futex resumed>) = 0 [pid 11458] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11453] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11453] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11458] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11458] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11453] <... futex resumed>) = 0 [pid 11464] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11458] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11453] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11453] <... futex resumed>) = 0 [pid 11458] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11453] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11464] <... write resumed>) = 131072 [pid 11464] munmap(0x7fb91de38000, 138412032) = 0 [pid 11458] <... sendto resumed>) = 32 [pid 11458] recvfrom(4, [pid 11464] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11458] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11453}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11464] ioctl(4, LOOP_SET_FD, 3 [pid 11458] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11453] <... futex resumed>) = 0 [pid 11458] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11453] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11458] getsockname(4, [pid 11453] <... futex resumed>) = 0 [pid 11458] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11453, nl_groups=00000000}, [116 => 12]) = 0 [pid 11453] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11458] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11458] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11453] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11453] <... futex resumed>) = 0 [pid 11458] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xbd\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11453] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11451] <... sendmsg resumed>) = 64 [pid 11448] <... sendmsg resumed>) = 64 [pid 11451] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11450] exit_group(0 [pid 11448] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11451] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11443] exit_group(0 [pid 11461] <... futex resumed>) = ? [pid 11460] <... futex resumed>) = ? [pid 11451] <... futex resumed>) = ? [pid 11450] <... exit_group resumed>) = ? [pid 11448] <... futex resumed>) = ? [pid 11443] <... exit_group resumed>) = ? [pid 11461] +++ exited with 0 +++ [pid 11460] +++ exited with 0 +++ [pid 11464] <... ioctl resumed>) = 0 [pid 11464] close(3) = 0 [pid 11464] close(4) = 0 [pid 11464] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11464] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11464] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11451] +++ exited with 0 +++ [pid 11450] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11450, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11448] +++ exited with 0 +++ [pid 11464] <... openat resumed>) = 3 [pid 11443] +++ exited with 0 +++ [pid 294] ioctl(3, LOOP_CLR_FD [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11443, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... restart_syscall resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11466 [pid 11464] ioctl(3, LOOP_CLR_FD [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 11466 attached ) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11466] set_robust_list(0x5555555916a0, 24 [pid 298] close(3 [pid 11466] <... set_robust_list resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11467 [pid 11466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 11467 attached [pid 11466] setpgid(0, 0 [pid 11467] set_robust_list(0x5555555916a0, 24) = 0 [pid 11466] <... setpgid resumed>) = 0 [pid 11466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11454] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11466] <... openat resumed>) = 3 [pid 11454] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11454] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11468]}, 88) = 11468 [pid 11454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11454] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11454] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11466] write(3, "1000", 4) = 4 [pid 11466] close(3) = 0 [pid 11466] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11466] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11466] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 11468 attached [pid 11467] <... prctl resumed>) = 0 [pid 11466] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11468] set_robust_list(0x7fb9262379a0, 24 [pid 11467] setpgid(0, 0 [pid 11466] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11468] <... set_robust_list resumed>) = 0 [pid 11466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11468] rt_sigprocmask(SIG_SETMASK, [], [pid 11467] <... setpgid resumed>) = 0 [pid 11467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 11469 attached [pid 11468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11466] <... clone3 resumed> => {parent_tid=[11469]}, 88) = 11469 [pid 11466] rt_sigprocmask(SIG_SETMASK, [], [pid 11469] set_robust_list(0x7fb9262589a0, 24 [pid 11468] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11467] <... openat resumed>) = 3 [pid 11466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11469] <... set_robust_list resumed>) = 0 [pid 11466] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11468] <... bpf resumed>) = 5 [pid 11467] write(3, "1000", 4 [pid 11466] <... futex resumed>) = 0 [pid 11466] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11468] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] <... write resumed>) = 4 [pid 11469] memfd_create("syzkaller", 0) = 3 [pid 11469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11454] <... futex resumed>) = 0 [pid 11467] close(3 [pid 11468] <... futex resumed>) = 1 [pid 11454] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11468] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11467] <... close resumed>) = 0 [pid 11454] <... futex resumed>) = 0 [pid 11467] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11468] <... bpf resumed>) = 0 [pid 11467] <... futex resumed>) = 0 [pid 11469] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11468] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11469] <... write resumed>) = 131072 [pid 11468] <... futex resumed>) = 1 [pid 11467] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11454] <... futex resumed>) = 0 [pid 11469] munmap(0x7fb91de38000, 138412032 [pid 11468] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11454] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11454] <... futex resumed>) = 0 [pid 11469] <... munmap resumed>) = 0 [pid 11468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11454] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11469] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11469] ioctl(4, LOOP_SET_FD, 3 [pid 11467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11468] <... bpf resumed>) = 6 [pid 11467] <... mmap resumed>) = 0x7fb926238000 [pid 11468] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11468] <... futex resumed>) = 1 [pid 11467] <... mprotect resumed>) = 0 [pid 11454] <... futex resumed>) = 0 [ 161.292497][T11464] loop1: detected capacity change from 0 to 256 [ 161.308350][T11464] exfat: Bad value for 'uid' [pid 11468] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11454] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11469] <... ioctl resumed>) = 0 [pid 11467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11454] <... futex resumed>) = 0 [pid 11469] close(3) = 0 [pid 11469] close(4) = 0 [pid 11454] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11469] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11469] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11469] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 11470 attached ) = 3 [pid 11468] <... bpf resumed>) = 7 [pid 11467] <... clone3 resumed> => {parent_tid=[11470]}, 88) = 11470 [pid 11469] ioctl(3, LOOP_CLR_FD [pid 11453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11467] rt_sigprocmask(SIG_SETMASK, [], [pid 11453] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11453] <... futex resumed>) = 0 [pid 11467] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11467] <... futex resumed>) = 0 [pid 11453] <... mmap resumed>) = 0x7fb926217000 [pid 11467] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11453] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11470] set_robust_list(0x7fb9262589a0, 24 [pid 11468] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11464] <... ioctl resumed>) = 0 [pid 11464] close(3) = 0 [pid 11464] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11468] <... futex resumed>) = 1 [pid 11464] <... futex resumed>) = 1 [pid 11468] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11464] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11462] <... futex resumed>) = 0 [pid 11454] <... futex resumed>) = 0 [pid 11453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11462] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11470] <... set_robust_list resumed>) = 0 [pid 11470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11470] memfd_create("syzkaller", 0) = 3 [pid 11470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11464] <... futex resumed>) = 0 [pid 11462] <... futex resumed>) = 1 [pid 11454] <... futex resumed>) = 1 ./strace-static-x86_64: Process 11471 attached [pid 11468] <... futex resumed>) = 0 [pid 11464] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11462] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11454] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11471] set_robust_list(0x7fb9262379a0, 24 [pid 11468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11464] <... socket resumed>) = 3 [pid 11453] <... clone3 resumed> => {parent_tid=[11471]}, 88) = 11471 [pid 11471] <... set_robust_list resumed>) = 0 [pid 11470] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11464] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] rt_sigprocmask(SIG_SETMASK, [], [pid 11464] <... futex resumed>) = 1 [pid 11462] <... futex resumed>) = 0 [pid 11453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11464] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11462] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11462] <... futex resumed>) = 0 [pid 11453] <... futex resumed>) = 0 [pid 11464] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11462] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11453] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11464] <... socket resumed>) = 4 [pid 11471] rt_sigprocmask(SIG_SETMASK, [], [pid 11464] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11464] <... futex resumed>) = 1 [pid 11462] <... futex resumed>) = 0 [pid 11464] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11462] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11462] <... futex resumed>) = 0 [pid 11471] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11464] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11462] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11471] <... bpf resumed>) = 5 [pid 11464] <... sendto resumed>) = 32 [pid 11471] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11464] recvfrom(4, [pid 11471] <... futex resumed>) = 1 [pid 11464] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11462}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11453] <... futex resumed>) = 0 [pid 11471] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11464] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11471] <... bpf resumed>) = 0 [pid 11470] <... write resumed>) = 131072 [pid 11468] <... bpf resumed>) = 8 [pid 11464] <... futex resumed>) = 1 [pid 11462] <... futex resumed>) = 0 [pid 11453] <... futex resumed>) = 0 [pid 11471] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] munmap(0x7fb91de38000, 138412032 [pid 11464] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11462] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11471] <... futex resumed>) = 0 [pid 11470] <... munmap resumed>) = 0 [pid 11468] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11462] <... futex resumed>) = 0 [pid 11453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11471] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11470] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11468] <... futex resumed>) = 1 [pid 11464] getsockname(4, [pid 11462] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11454] <... futex resumed>) = 0 [pid 11453] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11471] <... bpf resumed>) = 6 [pid 11470] <... openat resumed>) = 4 [pid 11468] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11464] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11462, nl_groups=00000000}, [116 => 12]) = 0 [pid 11454] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] <... futex resumed>) = 0 [pid 11471] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] ioctl(4, LOOP_SET_FD, 3 [pid 11468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11464] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] <... futex resumed>) = 0 [pid 11453] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11471] <... futex resumed>) = 0 [pid 11468] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11464] <... futex resumed>) = 1 [pid 11462] <... futex resumed>) = 0 [pid 11454] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11471] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11470] <... ioctl resumed>) = 0 [pid 11464] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11462] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11470] close(3 [pid 11464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11462] <... futex resumed>) = 0 [pid 11453] <... futex resumed>) = 0 [pid 11471] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11470] <... close resumed>) = 0 [pid 11464] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc6\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11462] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11453] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11470] close(4) = 0 [pid 11468] <... bpf resumed>) = 9 [pid 11468] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11454] <... futex resumed>) = 0 [pid 11468] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11471] <... bpf resumed>) = 7 [pid 11471] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11471] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11453] <... futex resumed>) = 0 [pid 11453] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11453] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11470] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11470] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11471] <... futex resumed>) = 0 [pid 11471] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11471] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11453] <... futex resumed>) = 0 [pid 11471] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11453] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11453] <... futex resumed>) = 0 [pid 11470] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11453] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11470] <... openat resumed>) = 3 [pid 11470] ioctl(3, LOOP_CLR_FD [pid 11471] <... bpf resumed>) = 9 [pid 11471] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11453] <... futex resumed>) = 0 [pid 11471] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11470] <... ioctl resumed>) = 0 [pid 11469] <... ioctl resumed>) = 0 [pid 11456] <... sendmsg resumed>) = 64 [pid 11470] close(3 [pid 11469] close(3 [pid 11456] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] <... close resumed>) = 0 [pid 11469] <... close resumed>) = 0 [pid 11456] <... futex resumed>) = 0 [pid 11470] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11469] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11470] <... futex resumed>) = 1 [pid 11469] <... futex resumed>) = 1 [pid 11466] <... futex resumed>) = 0 [pid 11470] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11469] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11466] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11466] <... futex resumed>) = 0 [pid 11469] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11466] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11469] <... socket resumed>) = 3 [pid 11469] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11466] <... futex resumed>) = 0 [pid 11469] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11466] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11466] <... futex resumed>) = 0 [pid 11469] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11467] <... futex resumed>) = 0 [pid 11466] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11469] <... socket resumed>) = 4 [pid 11467] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11454] exit_group(0 [pid 11469] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] <... futex resumed>) = 1 [pid 11469] <... futex resumed>) = 1 [pid 11466] <... futex resumed>) = 0 [pid 11456] <... futex resumed>) = ? [pid 11454] <... exit_group resumed>) = ? [pid 11468] <... futex resumed>) = ? [pid 11469] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11467] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11466] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11456] +++ exited with 0 +++ [pid 11468] +++ exited with 0 +++ [pid 11469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11466] <... futex resumed>) = 0 [pid 11469] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11466] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11469] <... sendto resumed>) = 32 [pid 11469] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11466}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11469] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11466] <... futex resumed>) = 0 [pid 11469] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11466] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11466] <... futex resumed>) = 0 [pid 11469] getsockname(4, [pid 11466] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11469] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11466, nl_groups=00000000}, [116 => 12]) = 0 [pid 11469] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11466] <... futex resumed>) = 0 [pid 11469] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11466] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11466] <... futex resumed>) = 0 [pid 11469] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xca\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11466] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11470] <... futex resumed>) = 0 [pid 11470] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11470] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11467] <... futex resumed>) = 0 [pid 11470] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11467] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] <... socket resumed>) = 4 [pid 11467] <... futex resumed>) = 0 [pid 11470] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11470] <... futex resumed>) = 0 [pid 11467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11467] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11467] <... futex resumed>) = 0 [pid 11467] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11470] <... sendto resumed>) = 32 [pid 11470] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11467}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11470] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11470] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11467] <... futex resumed>) = 0 [pid 11467] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11470] <... futex resumed>) = 0 [pid 11467] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11470] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11467, nl_groups=00000000}, [116 => 12]) = 0 [pid 11470] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11467] <... futex resumed>) = 0 [pid 11470] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11467] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xcb\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11467] <... futex resumed>) = 0 [ 161.333758][T11469] loop0: detected capacity change from 0 to 256 [ 161.340910][T11469] exfat: Bad value for 'uid' [ 161.357732][T11470] loop2: detected capacity change from 0 to 256 [ 161.374288][T11470] exfat: Bad value for 'uid' [pid 11467] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11462] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11462] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11462] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11475 attached => {parent_tid=[11475]}, 88) = 11475 [pid 11475] set_robust_list(0x7fb9262379a0, 24 [pid 11462] rt_sigprocmask(SIG_SETMASK, [], [pid 11475] <... set_robust_list resumed>) = 0 [pid 11462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11475] rt_sigprocmask(SIG_SETMASK, [], [pid 11462] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11462] <... futex resumed>) = 0 [pid 11475] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11462] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11475] <... bpf resumed>) = 5 [pid 11475] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11462] <... futex resumed>) = 0 [pid 11462] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11462] <... futex resumed>) = 0 [pid 11475] <... bpf resumed>) = 0 [pid 11462] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11454] +++ exited with 0 +++ [pid 11475] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11454, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11462] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11462] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = 0 [pid 11462] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11475] <... futex resumed>) = 1 [pid 11475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 11475] <... bpf resumed>) = 6 [pid 299] <... close resumed>) = 0 [pid 11475] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11462] <... futex resumed>) = 0 [pid 11462] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11462] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11475] <... futex resumed>) = 1 [pid 11475] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 11476 attached ) = 7 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11476 [pid 11475] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11462] <... futex resumed>) = 0 [pid 11462] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11462] <... futex resumed>) = 0 [pid 11462] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11476] set_robust_list(0x5555555916a0, 24) = 0 [pid 11458] <... sendmsg resumed>) = 64 [pid 11475] <... bpf resumed>) = 8 [pid 11458] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11453] exit_group(0 [pid 11475] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11471] <... futex resumed>) = ? [pid 11458] <... futex resumed>) = ? [pid 11453] <... exit_group resumed>) = ? [pid 11476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11475] <... futex resumed>) = 1 [pid 11471] +++ exited with 0 +++ [pid 11462] <... futex resumed>) = 0 [pid 11458] +++ exited with 0 +++ [pid 11475] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11476] <... prctl resumed>) = 0 [pid 11476] setpgid(0, 0) = 0 [pid 11476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11462] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] <... openat resumed>) = 3 [pid 11475] <... futex resumed>) = 0 [pid 11462] <... futex resumed>) = 1 [pid 11476] write(3, "1000", 4 [pid 11462] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11475] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11476] <... write resumed>) = 4 [pid 11476] close(3) = 0 [pid 11476] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11476] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11476] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11477]}, 88) = 11477 [pid 11476] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11477 attached NULL, 8) = 0 [pid 11477] set_robust_list(0x7fb9262589a0, 24 [pid 11476] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11477] <... set_robust_list resumed>) = 0 [pid 11476] <... futex resumed>) = 0 [pid 11477] rt_sigprocmask(SIG_SETMASK, [], [pid 11476] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11477] memfd_create("syzkaller", 0 [pid 11466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11477] <... memfd_create resumed>) = 3 [pid 11466] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11466] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11466] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11466] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11477] <... mmap resumed>) = 0x7fb91de38000 [pid 11466] <... mprotect resumed>) = 0 [pid 11466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11478 attached [pid 11478] set_robust_list(0x7fb9262379a0, 24 [pid 11466] <... clone3 resumed> => {parent_tid=[11478]}, 88) = 11478 [pid 11478] <... set_robust_list resumed>) = 0 [pid 11466] rt_sigprocmask(SIG_SETMASK, [], [pid 11478] rt_sigprocmask(SIG_SETMASK, [], [pid 11466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11466] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11478] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11466] <... futex resumed>) = 0 [pid 11478] <... bpf resumed>) = 5 [pid 11466] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11478] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11466] <... futex resumed>) = 0 [pid 11478] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11466] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11478] <... bpf resumed>) = 0 [pid 11466] <... futex resumed>) = 0 [pid 11478] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11466] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11478] <... futex resumed>) = 0 [pid 11466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11478] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11466] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11478] <... bpf resumed>) = 6 [pid 11466] <... futex resumed>) = 0 [pid 11478] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11477] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11466] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11478] <... futex resumed>) = 0 [pid 11466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11478] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11466] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11466] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11477] <... write resumed>) = 131072 [pid 11477] munmap(0x7fb91de38000, 138412032) = 0 [pid 11477] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11477] ioctl(4, LOOP_SET_FD, 3 [pid 11467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11477] <... ioctl resumed>) = 0 [pid 11467] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11477] close(3 [pid 11467] <... futex resumed>) = 0 [pid 11453] +++ exited with 0 +++ [pid 11477] <... close resumed>) = 0 [pid 11467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11478] <... bpf resumed>) = 7 [pid 11477] close(4 [pid 11475] <... bpf resumed>) = 9 [pid 11467] <... mmap resumed>) = 0x7fb926217000 [pid 11478] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11475] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11453, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11478] <... futex resumed>) = 1 [pid 11475] <... futex resumed>) = 1 [pid 11466] <... futex resumed>) = 0 [pid 11462] <... futex resumed>) = 0 [pid 11478] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11475] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11466] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11477] <... close resumed>) = 0 [pid 11467] <... mprotect resumed>) = 0 [pid 11466] <... futex resumed>) = 0 [pid 11478] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11477] mkdir("./file0", 0777 [pid 11467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11466] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11477] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11477] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11479 attached [pid 11478] <... bpf resumed>) = 8 [pid 300] <... openat resumed>) = 3 [pid 11479] set_robust_list(0x7fb9262379a0, 24 [pid 11478] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11479] <... set_robust_list resumed>) = 0 [pid 11478] <... futex resumed>) = 1 [pid 11466] <... futex resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11479] rt_sigprocmask(SIG_SETMASK, [], [pid 11478] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11466] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] close(3 [pid 11479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11466] <... futex resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 11479] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11478] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11467] <... clone3 resumed> => {parent_tid=[11479]}, 88) = 11479 [pid 11466] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11478] <... bpf resumed>) = 9 [pid 11467] rt_sigprocmask(SIG_SETMASK, [], [pid 11478] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11480 [pid 11478] <... futex resumed>) = 1 [pid 11467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11466] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11480 attached [pid 11478] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11477] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11467] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] set_robust_list(0x5555555916a0, 24 [pid 11477] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11467] <... futex resumed>) = 1 [pid 11480] <... set_robust_list resumed>) = 0 [pid 11477] <... openat resumed>) = 3 [pid 11467] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11479] <... futex resumed>) = 0 [pid 11477] ioctl(3, LOOP_CLR_FD [pid 11480] <... prctl resumed>) = 0 [pid 11480] setpgid(0, 0 [pid 11479] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11480] <... setpgid resumed>) = 0 [pid 11480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11479] <... bpf resumed>) = 5 [pid 11480] <... openat resumed>) = 3 [pid 11480] write(3, "1000", 4 [pid 11479] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] <... write resumed>) = 4 [pid 11479] <... futex resumed>) = 1 [pid 11467] <... futex resumed>) = 0 [pid 11480] close(3 [pid 11479] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11467] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11479] <... bpf resumed>) = 0 [pid 11467] <... futex resumed>) = 0 [pid 11467] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11479] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] <... close resumed>) = 0 [pid 11467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11479] <... futex resumed>) = 0 [pid 11467] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] <... futex resumed>) = 0 [pid 11479] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11467] <... futex resumed>) = 0 [pid 11480] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11467] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11480] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11479] <... bpf resumed>) = 6 [pid 11480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11479] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11479] <... futex resumed>) = 1 [pid 11467] <... futex resumed>) = 0 [pid 11479] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11467] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] <... mprotect resumed>) = 0 [pid 11479] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11467] <... futex resumed>) = 0 [pid 11479] <... bpf resumed>) = 7 [pid 11467] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11480] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11479] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11479] <... futex resumed>) = 1 [pid 11467] <... futex resumed>) = 0 [pid 11480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11479] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11467] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11481 attached ) = 0 [pid 11481] set_robust_list(0x7fb9262589a0, 24 [pid 11480] <... clone3 resumed> => {parent_tid=[11481]}, 88) = 11481 [pid 11467] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11479] <... bpf resumed>) = 8 [pid 11479] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] rt_sigprocmask(SIG_SETMASK, [], [pid 11479] <... futex resumed>) = 1 [pid 11467] <... futex resumed>) = 0 [pid 11480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11479] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11467] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11479] <... bpf resumed>) = 9 [pid 11467] <... futex resumed>) = 0 [pid 11481] <... set_robust_list resumed>) = 0 [pid 11480] <... futex resumed>) = 0 [pid 11479] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11467] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11480] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11479] <... futex resumed>) = 0 [pid 11467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11479] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11481] memfd_create("syzkaller", 0) = 3 [pid 11481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11481] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11481] munmap(0x7fb91de38000, 138412032) = 0 [pid 11481] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11481] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11481] close(3) = 0 [ 161.450206][T11477] loop3: detected capacity change from 0 to 256 [ 161.463345][T11477] exfat: Bad value for 'uid' [ 161.489939][T11481] loop4: detected capacity change from 0 to 256 [pid 11481] close(4) = 0 [pid 11481] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11481] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11481] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11481] ioctl(3, LOOP_CLR_FD [pid 11464] <... sendmsg resumed>) = 64 [pid 11464] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11464] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11477] <... ioctl resumed>) = 0 [pid 11462] exit_group(0 [pid 11475] <... futex resumed>) = ? [pid 11464] <... futex resumed>) = ? [pid 11462] <... exit_group resumed>) = ? [pid 11477] close(3 [pid 11475] +++ exited with 0 +++ [pid 11464] +++ exited with 0 +++ [pid 11462] +++ exited with 0 +++ [pid 11477] <... close resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11462, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11477] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11476] <... futex resumed>) = 0 [pid 11477] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11476] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11477] <... socket resumed>) = 3 [pid 11476] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 11476] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11477] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 11477] <... futex resumed>) = 1 [pid 11476] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 11476] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11476] <... futex resumed>) = 0 [pid 11476] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11482 ./strace-static-x86_64: Process 11482 attached [pid 11482] set_robust_list(0x5555555916a0, 24) = 0 [pid 11482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11482] setpgid(0, 0) = 0 [pid 11482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11477] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11482] write(3, "1000", 4 [pid 11477] <... socket resumed>) = 4 [pid 11477] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11476] <... futex resumed>) = 0 [pid 11477] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11476] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11477] <... sendto resumed>) = 32 [pid 11476] <... futex resumed>) = 0 [pid 11482] <... write resumed>) = 4 [pid 11477] recvfrom(4, [pid 11476] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11477] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11476}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11482] close(3 [pid 11477] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11476] <... futex resumed>) = 0 [pid 11477] getsockname(4, [pid 11476] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] <... close resumed>) = 0 [pid 11477] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11476, nl_groups=00000000}, [116 => 12]) = 0 [pid 11476] <... futex resumed>) = 0 [pid 11477] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11477] <... futex resumed>) = 0 [pid 11476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11477] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd4\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11476] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11482] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11476] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11482] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11482] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11484]}, 88) = 11484 [pid 11482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11482] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11482] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11484 attached [pid 11484] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11484] memfd_create("syzkaller", 0) = 3 [pid 11484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 161.501100][T11481] exfat: Bad value for 'uid' [pid 11484] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11484] munmap(0x7fb91de38000, 138412032) = 0 [pid 11484] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11484] ioctl(4, LOOP_SET_FD, 3 [pid 11481] <... ioctl resumed>) = 0 [pid 11481] close(3) = 0 [pid 11481] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11480] <... futex resumed>) = 0 [pid 11481] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] <... futex resumed>) = 0 [pid 11481] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11480] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11481] <... socket resumed>) = 3 [pid 11481] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11480] <... futex resumed>) = 0 [pid 11481] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] <... futex resumed>) = 0 [pid 11481] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11480] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11481] <... socket resumed>) = 4 [pid 11481] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11480] <... futex resumed>) = 0 [pid 11481] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] <... futex resumed>) = 0 [pid 11481] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11480] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11481] <... sendto resumed>) = 32 [pid 11481] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11480}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11481] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11480] <... futex resumed>) = 0 [pid 11481] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] <... futex resumed>) = 0 [pid 11481] getsockname(4, [pid 11480] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11481] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11480, nl_groups=00000000}, [116 => 12]) = 0 [pid 11481] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11480] <... futex resumed>) = 0 [pid 11481] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] <... futex resumed>) = 0 [pid 11481] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd8\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11480] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11484] <... ioctl resumed>) = 0 [pid 11484] close(3) = 0 [pid 11484] close(4) = 0 [pid 11484] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11484] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11470] <... sendmsg resumed>) = 64 [pid 11469] <... sendmsg resumed>) = 64 [pid 11470] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11469] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11470] <... futex resumed>) = 0 [pid 11469] <... futex resumed>) = 0 [pid 11470] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11469] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11467] exit_group(0 [pid 11479] <... futex resumed>) = ? [pid 11470] <... futex resumed>) = ? [pid 11467] <... exit_group resumed>) = ? [pid 11484] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11479] +++ exited with 0 +++ [pid 11470] +++ exited with 0 +++ [pid 11484] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11467] +++ exited with 0 +++ [pid 11466] exit_group(0 [pid 11484] <... openat resumed>) = 3 [pid 11466] <... exit_group resumed>) = ? [pid 11478] <... futex resumed>) = ? [pid 11469] <... futex resumed>) = ? [pid 11478] +++ exited with 0 +++ [pid 11484] ioctl(3, LOOP_CLR_FD [pid 11469] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11467, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 11466] +++ exited with 0 +++ [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11466, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11486 [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11487 ./strace-static-x86_64: Process 11486 attached [pid 11486] set_robust_list(0x5555555916a0, 24) = 0 [pid 11486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11486] setpgid(0, 0) = 0 [pid 11486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11486] write(3, "1000", 4) = 4 [pid 11486] close(3) = 0 [pid 11486] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11486] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11486] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11476] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11476] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11476] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11476] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11476] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11476] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11487 attached [pid 11487] set_robust_list(0x5555555916a0, 24 [pid 11476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11487] <... set_robust_list resumed>) = 0 [pid 11487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11487] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 11489 attached [pid 11487] setpgid(0, 0 [pid 11489] set_robust_list(0x7fb9262379a0, 24 [pid 11487] <... setpgid resumed>) = 0 [pid 11476] <... clone3 resumed> => {parent_tid=[11489]}, 88) = 11489 [pid 11476] rt_sigprocmask(SIG_SETMASK, [], [pid 11487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11489] <... set_robust_list resumed>) = 0 [pid 11489] rt_sigprocmask(SIG_SETMASK, [], [pid 11487] <... openat resumed>) = 3 [pid 11476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11487] write(3, "1000", 4 [pid 11476] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11489] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11487] <... write resumed>) = 4 [pid 11476] <... futex resumed>) = 0 [pid 11489] <... bpf resumed>) = 5 [pid 11487] close(3 [pid 11476] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11489] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] <... close resumed>) = 0 [pid 11476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11489] <... futex resumed>) = 0 [pid 11487] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11489] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11487] <... futex resumed>) = 0 [pid 11476] <... futex resumed>) = 0 [pid 11489] <... bpf resumed>) = 0 [pid 11487] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11476] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] <... clone3 resumed> => {parent_tid=[11488]}, 88) = 11488 ./strace-static-x86_64: Process 11488 attached [pid 11489] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11489] <... futex resumed>) = 1 [pid 11488] set_robust_list(0x7fb9262589a0, 24 [pid 11487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11476] <... futex resumed>) = 0 [pid 11489] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11488] <... set_robust_list resumed>) = 0 [pid 11487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11476] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11488] rt_sigprocmask(SIG_SETMASK, [], [pid 11487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11476] <... futex resumed>) = 0 [pid 11489] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11487] <... mmap resumed>) = 0x7fb926238000 [pid 11476] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11486] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11489] <... bpf resumed>) = 6 [pid 11487] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11489] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11488] memfd_create("syzkaller", 0 [pid 11487] <... mprotect resumed>) = 0 [pid 11476] <... futex resumed>) = 0 [pid 11489] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11487] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11476] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] <... memfd_create resumed>) = 3 [pid 11489] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11476] <... futex resumed>) = 0 [pid 11488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11489] <... bpf resumed>) = 7 [pid 11488] <... mmap resumed>) = 0x7fb91de38000 [pid 11487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11476] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11489] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11487] <... clone3 resumed> => {parent_tid=[11490]}, 88) = 11490 [pid 11476] <... futex resumed>) = 0 [pid 11489] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11487] rt_sigprocmask(SIG_SETMASK, [], [pid 11476] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11489] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11487] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] <... futex resumed>) = 0 [pid 11486] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11490 attached [pid 11490] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11490] memfd_create("syzkaller", 0 [pid 11489] <... bpf resumed>) = 8 [pid 11487] <... futex resumed>) = 0 [pid 11489] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11487] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11489] <... futex resumed>) = 0 [pid 11476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11489] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11476] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11476] <... futex resumed>) = 0 [pid 11489] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11476] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11489] <... bpf resumed>) = 9 [pid 11489] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11488] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11476] <... futex resumed>) = 0 [pid 11489] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11490] <... memfd_create resumed>) = 3 [pid 11490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11488] <... write resumed>) = 131072 [pid 11488] munmap(0x7fb91de38000, 138412032) = 0 [pid 11488] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 161.545079][T11484] loop1: detected capacity change from 0 to 256 [ 161.563142][T11484] exfat: Bad value for 'uid' [pid 11488] ioctl(4, LOOP_SET_FD, 3 [pid 11490] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11490] munmap(0x7fb91de38000, 138412032) = 0 [pid 11490] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11490] ioctl(4, LOOP_SET_FD, 3 [pid 11488] <... ioctl resumed>) = 0 [pid 11480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11480] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11480] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11492]}, 88) = 11492 [pid 11480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11492 attached [pid 11490] <... ioctl resumed>) = 0 [pid 11488] close(3 [pid 11480] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11492] set_robust_list(0x7fb9262379a0, 24 [pid 11490] close(3 [pid 11488] <... close resumed>) = 0 [pid 11480] <... futex resumed>) = 0 [pid 11480] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11492] <... set_robust_list resumed>) = 0 [pid 11490] <... close resumed>) = 0 [pid 11488] close(4 [pid 11492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11492] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11490] close(4 [pid 11488] <... close resumed>) = 0 [pid 11490] <... close resumed>) = 0 [pid 11490] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11490] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11488] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11488] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11492] <... bpf resumed>) = 5 [pid 11490] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11492] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11480] <... futex resumed>) = 0 [pid 11492] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] <... futex resumed>) = 0 [pid 11492] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11480] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11492] <... bpf resumed>) = 0 [pid 11492] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11480] <... futex resumed>) = 0 [pid 11492] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11480] <... futex resumed>) = 0 [pid 11492] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11480] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11492] <... bpf resumed>) = 6 [pid 11492] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11490] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11488] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11492] <... futex resumed>) = 1 [pid 11488] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11480] <... futex resumed>) = 0 [pid 11492] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11490] <... openat resumed>) = 3 [pid 11488] <... openat resumed>) = 3 [pid 11480] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11490] ioctl(3, LOOP_CLR_FD [pid 11488] ioctl(3, LOOP_CLR_FD [pid 11480] <... futex resumed>) = 0 [pid 11492] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11480] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11492] <... bpf resumed>) = 7 [pid 11492] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] <... futex resumed>) = 0 [pid 11492] <... futex resumed>) = 1 [pid 11492] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11480] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11490] <... ioctl resumed>) = 0 [pid 11488] <... ioctl resumed>) = 0 [pid 11484] <... ioctl resumed>) = 0 [pid 11481] <... sendmsg resumed>) = 64 [pid 11490] close(3 [pid 11488] close(3 [pid 11484] close(3 [pid 11490] <... close resumed>) = 0 [pid 11488] <... close resumed>) = 0 [pid 11484] <... close resumed>) = 0 [pid 11490] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11490] <... futex resumed>) = 1 [pid 11488] <... futex resumed>) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = 1 [pid 11482] <... futex resumed>) = 0 [pid 11490] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11488] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11487] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11482] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11482] <... futex resumed>) = 0 [pid 11490] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11488] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11487] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11484] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11482] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11490] <... socket resumed>) = 3 [pid 11488] <... socket resumed>) = 3 [pid 11484] <... socket resumed>) = 3 [pid 11490] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11490] <... futex resumed>) = 1 [pid 11488] <... futex resumed>) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = 1 [pid 11482] <... futex resumed>) = 0 [pid 11492] <... bpf resumed>) = 8 [pid 11490] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11488] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11487] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11482] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = 0 [pid 11492] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11490] <... socket resumed>) = 4 [pid 11488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11482] <... futex resumed>) = 0 [pid 11481] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11492] <... futex resumed>) = 0 [pid 11490] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11487] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11484] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11482] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11480] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11492] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11490] <... futex resumed>) = 0 [pid 11488] <... socket resumed>) = 4 [pid 11487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11484] <... socket resumed>) = 4 [pid 11490] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11488] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = 0 [pid 11480] <... futex resumed>) = 1 [pid 11490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11488] <... futex resumed>) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = 1 [pid 11482] <... futex resumed>) = 0 [pid 11481] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11490] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11488] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11487] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11482] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... bpf resumed>) = 9 [pid 11480] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11490] <... sendto resumed>) = 32 [pid 11488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11482] <... futex resumed>) = 0 [pid 11481] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11490] recvfrom(4, [pid 11488] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11486] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11484] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11482] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11481] <... futex resumed>) = 0 [pid 11490] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11487}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11488] <... sendto resumed>) = 32 [pid 11484] <... sendto resumed>) = 32 [pid 11481] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11480] exit_group(0 [pid 11490] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] recvfrom(4, [pid 11484] recvfrom(4, [pid 11490] <... futex resumed>) = 1 [pid 11488] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11486}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11487] <... futex resumed>) = 0 [pid 11484] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11482}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11492] <... futex resumed>) = ? [pid 11490] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11488] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11481] <... futex resumed>) = ? [pid 11480] <... exit_group resumed>) = ? [pid 11492] +++ exited with 0 +++ [pid 11490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11488] <... futex resumed>) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = 1 [pid 11482] <... futex resumed>) = 0 [pid 11481] +++ exited with 0 +++ [pid 11490] getsockname(4, [pid 11488] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11487] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11482] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11490] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11487, nl_groups=00000000}, [116 => 12]) = 0 [pid 11488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11482] <... futex resumed>) = 0 [pid 11480] +++ exited with 0 +++ [pid 11490] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] getsockname(4, [pid 11486] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11484] getsockname(4, [pid 11482] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11490] <... futex resumed>) = 1 [pid 11488] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11486, nl_groups=00000000}, [116 => 12]) = 0 [pid 11487] <... futex resumed>) = 0 [pid 11484] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11482, nl_groups=00000000}, [116 => 12]) = 0 [pid 11490] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11488] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11488] <... futex resumed>) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = 1 [pid 11482] <... futex resumed>) = 0 [pid 11490] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdf\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11488] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11487] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11484] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11482] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11486] <... futex resumed>) = 0 [pid 11484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11482] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11488] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xde\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11486] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11484] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xda\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11482] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11496 ./strace-static-x86_64: Process 11496 attached [pid 11496] set_robust_list(0x5555555916a0, 24) = 0 [pid 11496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11496] setpgid(0, 0) = 0 [pid 11496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11496] write(3, "1000", 4) = 4 [pid 11496] close(3) = 0 [pid 11496] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11496] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11496] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11497]}, 88) = 11497 [pid 11496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11496] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11496] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11497 attached [pid 11497] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 161.595499][T11488] loop2: detected capacity change from 0 to 256 [ 161.599995][T11490] loop0: detected capacity change from 0 to 256 [ 161.612748][T11490] exfat: Bad value for 'uid' [ 161.618253][T11488] exfat: Bad value for 'uid' [pid 11497] memfd_create("syzkaller", 0 [pid 11477] <... sendmsg resumed>) = 64 [pid 11477] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11476] exit_group(0 [pid 11477] <... futex resumed>) = 0 [pid 11477] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11476] <... exit_group resumed>) = ? [pid 11489] <... futex resumed>) = ? [pid 11477] <... futex resumed>) = ? [pid 11489] +++ exited with 0 +++ [pid 11477] +++ exited with 0 +++ [pid 11476] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11476, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11497] <... memfd_create resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 11497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 299] <... close resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11497] <... mmap resumed>) = 0x7fb91de38000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11498 ./strace-static-x86_64: Process 11498 attached [pid 11498] set_robust_list(0x5555555916a0, 24) = 0 [pid 11497] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11497] <... write resumed>) = 131072 [pid 11498] setpgid(0, 0 [pid 11497] munmap(0x7fb91de38000, 138412032 [pid 11498] <... setpgid resumed>) = 0 [pid 11498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11497] <... munmap resumed>) = 0 [pid 11498] write(3, "1000", 4) = 4 [pid 11498] close(3 [pid 11497] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11498] <... close resumed>) = 0 [pid 11498] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11498] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11498] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11499]}, 88) = 11499 ./strace-static-x86_64: Process 11499 attached [pid 11497] <... openat resumed>) = 4 [pid 11498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11498] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11497] ioctl(4, LOOP_SET_FD, 3 [pid 11499] set_robust_list(0x7fb9262589a0, 24 [pid 11498] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11499] <... set_robust_list resumed>) = 0 [pid 11499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11499] memfd_create("syzkaller", 0) = 3 [pid 11499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11499] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11499] munmap(0x7fb91de38000, 138412032) = 0 [pid 11499] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11499] ioctl(4, LOOP_SET_FD, 3 [pid 11497] <... ioctl resumed>) = 0 [pid 11497] close(3) = 0 [pid 11497] close(4 [pid 11499] <... ioctl resumed>) = 0 [pid 11497] <... close resumed>) = 0 [pid 11499] close(3) = 0 [pid 11499] close(4 [pid 11497] mkdir("./file0", 0777 [pid 11499] <... close resumed>) = 0 [pid 11487] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11487] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11487] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11482] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11486] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] <... mprotect resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11482] <... futex resumed>) = 0 [pid 11487] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11486] <... mmap resumed>) = 0x7fb926217000 [pid 11482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11497] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11499] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11497] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11499] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11482] <... mmap resumed>) = 0x7fb926217000 [pid 11487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11486] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11482] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11486] <... mprotect resumed>) = 0 [pid 11482] <... mprotect resumed>) = 0 [pid 11486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11487] <... clone3 resumed> => {parent_tid=[11500]}, 88) = 11500 [pid 11482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11487] rt_sigprocmask(SIG_SETMASK, [], [pid 11486] <... clone3 resumed> => {parent_tid=[11501]}, 88) = 11501 [pid 11487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11486] rt_sigprocmask(SIG_SETMASK, [], [pid 11482] <... clone3 resumed> => {parent_tid=[11502]}, 88) = 11502 [pid 11487] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11482] rt_sigprocmask(SIG_SETMASK, [], [pid 11487] <... futex resumed>) = 0 [pid 11486] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11487] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] <... futex resumed>) = 0 [pid 11482] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11482] <... futex resumed>) = 0 [pid 11482] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11502 attached ./strace-static-x86_64: Process 11501 attached ./strace-static-x86_64: Process 11500 attached [pid 11499] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11499] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11499] ioctl(3, LOOP_CLR_FD) = 0 [pid 11499] close(3) = 0 [pid 11499] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11499] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11502] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11502] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11502] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11502] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11501] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11501] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11498] <... futex resumed>) = 0 [pid 11501] <... bpf resumed>) = 5 [pid 11501] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11501] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11500] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11482] <... futex resumed>) = 0 [pid 11500] rt_sigprocmask(SIG_SETMASK, [], [pid 11486] <... futex resumed>) = 0 [pid 11482] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11500] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11500] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11486] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] <... futex resumed>) = 1 [pid 11482] <... futex resumed>) = 1 [pid 11502] <... futex resumed>) = 0 [pid 11498] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11487] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11501] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 1 [pid 11482] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11502] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11501] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11487] <... futex resumed>) = 0 [pid 11486] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11502] <... bpf resumed>) = 0 [pid 11501] <... bpf resumed>) = 0 [pid 11500] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11487] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11502] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11501] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] <... bpf resumed>) = 0 [pid 11500] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11502] <... futex resumed>) = 1 [pid 11501] <... futex resumed>) = 1 [pid 11486] <... futex resumed>) = 0 [pid 11482] <... futex resumed>) = 0 [pid 11502] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11487] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11482] <... futex resumed>) = 0 [pid 11487] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11482] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11502] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11500] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11501] <... bpf resumed>) = 6 [pid 11502] <... bpf resumed>) = 6 [pid 11501] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] <... futex resumed>) = 0 [pid 11497] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11502] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11501] <... futex resumed>) = 1 [pid 11499] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11486] <... futex resumed>) = 0 [pid 11502] <... futex resumed>) = 1 [pid 11501] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11499] <... socket resumed>) = 3 [pid 11486] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] <... futex resumed>) = 0 [pid 11502] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11499] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] <... futex resumed>) = 0 [pid 11482] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11501] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11499] <... futex resumed>) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11486] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11482] <... futex resumed>) = 0 [pid 11502] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11501] <... bpf resumed>) = 7 [pid 11500] <... bpf resumed>) = 6 [pid 11499] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11497] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11482] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11502] <... bpf resumed>) = 7 [pid 11501] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11498] <... futex resumed>) = 0 [pid 11502] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11501] <... futex resumed>) = 1 [pid 11500] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11498] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11486] <... futex resumed>) = 0 [pid 11502] <... futex resumed>) = 1 [pid 11501] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11500] <... futex resumed>) = 1 [pid 11499] <... socket resumed>) = 4 [pid 11497] <... openat resumed>) = 3 [pid 11487] <... futex resumed>) = 0 [pid 11486] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] <... futex resumed>) = 0 [pid 11502] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11500] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11499] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] <... futex resumed>) = 0 [pid 11482] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11499] <... futex resumed>) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11497] ioctl(3, LOOP_CLR_FD [pid 11487] <... futex resumed>) = 0 [pid 11486] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11482] <... futex resumed>) = 0 [pid 11502] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11500] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11487] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11500] <... bpf resumed>) = 7 [pid 11500] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11500] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11487] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11487] <... futex resumed>) = 0 [pid 11500] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11487] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11501] <... bpf resumed>) = 8 [pid 11500] <... bpf resumed>) = 8 [pid 11498] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11500] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11487] <... futex resumed>) = 0 [pid 11502] <... bpf resumed>) = 8 [pid 11501] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11500] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] <... futex resumed>) = 0 [pid 11499] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11487] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11502] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11501] <... futex resumed>) = 1 [pid 11500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11499] <... sendto resumed>) = 32 [pid 11498] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11487] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11502] <... futex resumed>) = 1 [pid 11501] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11500] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11499] recvfrom(4, [pid 11487] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11486] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] <... futex resumed>) = 0 [pid 11502] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11500] <... bpf resumed>) = 9 [pid 11499] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11498}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11486] <... futex resumed>) = 0 [pid 11482] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11501] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11500] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11486] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11482] <... futex resumed>) = 0 [pid 11502] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11500] <... futex resumed>) = 1 [pid 11499] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] <... futex resumed>) = 0 [pid 11502] <... bpf resumed>) = 9 [pid 11501] <... bpf resumed>) = 9 [pid 11500] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11499] <... futex resumed>) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11482] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11502] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11501] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11502] <... futex resumed>) = 0 [pid 11501] <... futex resumed>) = 1 [pid 11499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11498] <... futex resumed>) = 0 [pid 11486] <... futex resumed>) = 0 [pid 11502] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11501] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11499] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11498, nl_groups=00000000}, [116 => 12]) = 0 [pid 11499] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11499] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11498] <... futex resumed>) = 0 [pid 11499] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xea\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11498] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11497] <... ioctl resumed>) = 0 [pid 11490] <... sendmsg resumed>) = 64 [pid 11488] <... sendmsg resumed>) = 64 [pid 11484] <... sendmsg resumed>) = 64 [pid 11497] close(3 [ 161.691277][T11497] loop4: detected capacity change from 0 to 256 [ 161.694096][T11499] loop3: detected capacity change from 0 to 256 [ 161.710715][T11499] exfat: Bad value for 'uid' [ 161.712172][T11497] exfat: Bad value for 'uid' [pid 11490] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11487] exit_group(0 [pid 11486] exit_group(0 [pid 11484] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11482] exit_group(0 [pid 11500] <... futex resumed>) = ? [pid 11497] <... close resumed>) = 0 [pid 11490] <... futex resumed>) = ? [pid 11487] <... exit_group resumed>) = ? [pid 11486] <... exit_group resumed>) = ? [pid 11501] <... futex resumed>) = ? [pid 11500] +++ exited with 0 +++ [pid 11490] +++ exited with 0 +++ [pid 11502] <... futex resumed>) = ? [pid 11497] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11488] <... futex resumed>) = ? [pid 11487] +++ exited with 0 +++ [pid 11484] <... futex resumed>) = ? [pid 11482] <... exit_group resumed>) = ? [pid 11502] +++ exited with 0 +++ [pid 11501] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11487, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11484] +++ exited with 0 +++ [pid 11497] <... futex resumed>) = 1 [pid 11496] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11497] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11496] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 11497] <... socket resumed>) = 3 [pid 11496] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11497] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11496] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11497] <... futex resumed>) = 0 [pid 11496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 294] close(3 [pid 11497] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11496] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 11497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11496] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11497] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11496] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11497] <... socket resumed>) = 4 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11504 [pid 11497] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11496] <... futex resumed>) = 0 [pid 11497] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11496] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11496] <... futex resumed>) = 0 [pid 11497] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11496] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11497] <... sendto resumed>) = 32 [pid 11497] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11496}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11497] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11496] <... futex resumed>) = 0 [pid 11497] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11496] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11496] <... futex resumed>) = 0 [pid 11497] getsockname(4, [pid 11496] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11497] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11496, nl_groups=00000000}, [116 => 12]) = 0 [pid 11497] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11497] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11496] <... futex resumed>) = 0 [pid 11496] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11497] <... futex resumed>) = 0 [pid 11496] <... futex resumed>) = 1 [pid 11497] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe8\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11496] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11504 attached [pid 11504] set_robust_list(0x5555555916a0, 24) = 0 [pid 11504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11504] setpgid(0, 0) = 0 [pid 11504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11504] write(3, "1000", 4) = 4 [pid 11504] close(3) = 0 [pid 11504] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11504] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11498] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11498] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11498] <... futex resumed>) = 0 [pid 11498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11498] <... mmap resumed>) = 0x7fb926217000 [pid 11504] <... mmap resumed>) = 0x7fb926238000 [pid 11498] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11504] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11498] <... mprotect resumed>) = 0 [pid 11498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11506]}, 88) = 11506 ./strace-static-x86_64: Process 11506 attached [pid 11504] <... mprotect resumed>) = 0 [pid 11498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11506] set_robust_list(0x7fb9262379a0, 24 [pid 11504] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11498] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11506] <... set_robust_list resumed>) = 0 [pid 11504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11498] <... futex resumed>) = 0 [pid 11504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11498] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11506] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11504] <... clone3 resumed> => {parent_tid=[11507]}, 88) = 11507 [pid 11506] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11506] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11498] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11506] <... bpf resumed>) = 0 [pid 11498] <... futex resumed>) = 0 [pid 11506] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11507 attached [pid 11506] <... futex resumed>) = 0 [pid 11504] rt_sigprocmask(SIG_SETMASK, [], [pid 11498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11507] set_robust_list(0x7fb9262589a0, 24 [pid 11506] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11498] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11507] <... set_robust_list resumed>) = 0 [pid 11504] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] <... futex resumed>) = 0 [pid 11506] <... bpf resumed>) = 6 [pid 11498] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11506] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11506] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11498] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11498] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11507] rt_sigprocmask(SIG_SETMASK, [], [pid 11504] <... futex resumed>) = 0 [pid 11499] <... sendmsg resumed>) = 64 [pid 11507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11504] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11499] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11507] memfd_create("syzkaller", 0 [pid 11499] <... futex resumed>) = 0 [pid 11507] <... memfd_create resumed>) = 3 [pid 11499] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11507] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11507] munmap(0x7fb91de38000, 138412032) = 0 [pid 11507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11507] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11488] +++ exited with 0 +++ [pid 11486] +++ exited with 0 +++ [pid 11507] close(3 [pid 11482] +++ exited with 0 +++ [pid 11507] <... close resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11482, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11507] close(4 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11507] <... close resumed>) = 0 [pid 11507] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11507] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 298] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 298] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 297] ioctl(3, LOOP_CLR_FD [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 297] close(3 [pid 11507] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11507] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11508 attached [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11508 [pid 11508] set_robust_list(0x5555555916a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11509 [pid 11508] <... set_robust_list resumed>) = 0 [pid 11508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11508] setpgid(0, 0) = 0 [pid 11508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11508] write(3, "1000", 4) = 4 [pid 11508] close(3) = 0 [pid 11508] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11508] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11508] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11508] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11510]}, 88) = 11510 [pid 11508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11508] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11508] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11509 attached [pid 11509] set_robust_list(0x5555555916a0, 24) = 0 [pid 11509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11509] setpgid(0, 0) = 0 [pid 11509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11509] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 11510 attached [pid 11506] <... bpf resumed>) = 7 [pid 11496] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11506] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11507] <... ioctl resumed>) = 0 [pid 11506] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] <... futex resumed>) = 0 [pid 11498] <... futex resumed>) = 1 [pid 11499] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11498] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11510] set_robust_list(0x7fb9262589a0, 24 [pid 11509] close(3 [pid 11507] close(3 [pid 11496] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11507] <... close resumed>) = 0 [pid 11496] <... futex resumed>) = 0 [pid 11496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11496] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11499] <... bpf resumed>) = 8 [pid 11496] <... mprotect resumed>) = 0 [pid 11499] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11498] <... futex resumed>) = 0 [pid 11507] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11498] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11496] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11507] <... futex resumed>) = 1 [pid 11504] <... futex resumed>) = 0 [pid 11496] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11509] <... close resumed>) = 0 [pid 11507] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11504] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11499] <... bpf resumed>) = 9 [pid 11498] <... futex resumed>) = 0 [pid 11496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11509] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11504] <... futex resumed>) = 0 [pid 11499] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11498] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11509] <... futex resumed>) = 0 [pid 11507] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11504] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11499] <... futex resumed>) = 0 [pid 11498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11496] <... clone3 resumed> => {parent_tid=[11511]}, 88) = 11511 ./strace-static-x86_64: Process 11511 attached [pid 11510] <... set_robust_list resumed>) = 0 [pid 11509] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11507] <... socket resumed>) = 3 [pid 11499] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11498] exit_group(0 [pid 11496] rt_sigprocmask(SIG_SETMASK, [], [pid 11509] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11507] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11506] <... futex resumed>) = ? [pid 11499] <... futex resumed>) = ? [pid 11498] <... exit_group resumed>) = ? [pid 11496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11507] <... futex resumed>) = 1 [pid 11506] +++ exited with 0 +++ [pid 11504] <... futex resumed>) = 0 [pid 11496] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11507] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11504] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11496] <... futex resumed>) = 0 [pid 11509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11504] <... futex resumed>) = 0 [pid 11496] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11509] <... mmap resumed>) = 0x7fb926238000 [pid 11507] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11504] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11499] +++ exited with 0 +++ [pid 11498] +++ exited with 0 +++ [pid 11509] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11507] <... socket resumed>) = 4 [pid 11509] <... mprotect resumed>) = 0 [pid 11507] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11511] set_robust_list(0x7fb9262379a0, 24 [pid 11510] rt_sigprocmask(SIG_SETMASK, [], [pid 11509] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11507] <... futex resumed>) = 1 [pid 11504] <... futex resumed>) = 0 [pid 11511] <... set_robust_list resumed>) = 0 [pid 11510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11509] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11507] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11504] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11504] <... futex resumed>) = 0 [pid 11507] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11504] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11512 attached [pid 11511] rt_sigprocmask(SIG_SETMASK, [], [pid 11510] memfd_create("syzkaller", 0 [pid 11509] <... clone3 resumed> => {parent_tid=[11512]}, 88) = 11512 [pid 11507] <... sendto resumed>) = 32 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11509] rt_sigprocmask(SIG_SETMASK, [], [pid 11507] recvfrom(4, [pid 11509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11507] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11504}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11512] set_robust_list(0x7fb9262589a0, 24 [pid 11511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11510] <... memfd_create resumed>) = 3 [pid 11509] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11507] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... openat resumed>) = 3 [pid 11509] <... futex resumed>) = 0 [pid 11507] <... futex resumed>) = 1 [pid 11504] <... futex resumed>) = 0 [pid 11509] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11507] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11504] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11504] <... futex resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11507] getsockname(4, [pid 11504] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11507] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11504, nl_groups=00000000}, [116 => 12]) = 0 [pid 11507] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11504] <... futex resumed>) = 0 [pid 11507] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11504] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11504] <... futex resumed>) = 0 [pid 11507] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf0\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11504] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11512] <... set_robust_list resumed>) = 0 [pid 11511] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11512] rt_sigprocmask(SIG_SETMASK, [], [pid 299] close(3 [pid 11512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11511] <... bpf resumed>) = 5 [pid 11510] <... mmap resumed>) = 0x7fb91de38000 [pid 299] <... close resumed>) = 0 [pid 11511] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11512] memfd_create("syzkaller", 0) = 3 [pid 11512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11512] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11512] munmap(0x7fb91de38000, 138412032) = 0 [pid 11512] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11514 [ 161.801188][T11507] loop0: detected capacity change from 0 to 256 [ 161.811408][T11507] exfat: Bad value for 'uid' [pid 11512] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11514 attached [pid 11511] <... futex resumed>) = 1 [pid 11510] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11496] <... futex resumed>) = 0 [pid 11496] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11511] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11496] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11511] <... bpf resumed>) = 0 [pid 11511] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11496] <... futex resumed>) = 0 [pid 11511] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11496] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11511] <... bpf resumed>) = 6 [pid 11496] <... futex resumed>) = 0 [pid 11496] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11511] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11496] <... futex resumed>) = 0 [pid 11511] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11496] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] set_robust_list(0x5555555916a0, 24 [pid 11512] <... ioctl resumed>) = 0 [pid 11511] <... bpf resumed>) = 7 [pid 11510] <... write resumed>) = 131072 [pid 11496] <... futex resumed>) = 0 [pid 11510] munmap(0x7fb91de38000, 138412032) = 0 [pid 11496] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11510] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11510] ioctl(4, LOOP_SET_FD, 3 [pid 11514] <... set_robust_list resumed>) = 0 [pid 11512] close(3 [pid 11511] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11496] <... futex resumed>) = 0 [pid 11511] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11496] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11511] <... bpf resumed>) = 8 [pid 11496] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11511] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11496] <... futex resumed>) = 0 [pid 11496] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11496] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11511] <... futex resumed>) = 1 [pid 11511] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11510] <... ioctl resumed>) = 0 [pid 11514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11512] <... close resumed>) = 0 [pid 11510] close(3 [pid 11514] <... prctl resumed>) = 0 [pid 11512] close(4 [pid 11511] <... bpf resumed>) = 9 [pid 11510] <... close resumed>) = 0 [pid 11514] setpgid(0, 0 [pid 11512] <... close resumed>) = 0 [pid 11511] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] close(4 [pid 11514] <... setpgid resumed>) = 0 [pid 11511] <... futex resumed>) = 1 [pid 11496] <... futex resumed>) = 0 [pid 11510] <... close resumed>) = 0 [pid 11512] mkdir("./file0", 0777 [pid 11511] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11510] mkdir("./file0", 0777 [pid 11512] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11512] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11510] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11510] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11514] write(3, "1000", 4) = 4 [pid 11514] close(3) = 0 [pid 11514] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11514] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11512] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11512] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11512] ioctl(3, LOOP_CLR_FD [pid 11514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11514] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11514] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11515]}, 88) = 11515 [pid 11514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11514] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11514] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11515 attached [pid 11515] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11515] memfd_create("syzkaller", 0) = 3 [pid 11515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11510] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11497] <... sendmsg resumed>) = 64 [pid 11510] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11497] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11496] exit_group(0 [pid 11511] <... futex resumed>) = ? [pid 11510] <... openat resumed>) = 3 [pid 11497] <... futex resumed>) = ? [pid 11496] <... exit_group resumed>) = ? [pid 11515] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11511] +++ exited with 0 +++ [pid 11510] ioctl(3, LOOP_CLR_FD [pid 11497] +++ exited with 0 +++ [pid 11496] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11496, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11515] <... write resumed>) = 131072 [pid 11515] munmap(0x7fb91de38000, 138412032 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11515] <... munmap resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 11515] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 300] ioctl(3, LOOP_CLR_FD [pid 11515] <... openat resumed>) = 4 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11516 [pid 11515] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11516 attached [pid 11516] set_robust_list(0x5555555916a0, 24) = 0 [pid 11516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11516] setpgid(0, 0) = 0 [pid 11516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11516] write(3, "1000", 4) = 4 [pid 11516] close(3) = 0 [pid 11516] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11516] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11516] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11515] <... ioctl resumed>) = 0 [pid 11504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11504] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] close(3 [pid 11504] <... futex resumed>) = 0 [pid 11516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11515] <... close resumed>) = 0 [pid 11504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11515] close(4 [pid 11504] <... mmap resumed>) = 0x7fb926217000 [pid 11504] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11517]}, 88) = 11517 [pid 11504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11504] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11504] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11515] <... close resumed>) = 0 [pid 11515] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11515] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11518 attached ./strace-static-x86_64: Process 11517 attached => {parent_tid=[11518]}, 88) = 11518 [pid 11517] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11517] rt_sigprocmask(SIG_SETMASK, [], [pid 11518] set_robust_list(0x7fb9262589a0, 24 [pid 11516] rt_sigprocmask(SIG_SETMASK, [], [pid 11517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11515] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11518] <... set_robust_list resumed>) = 0 [pid 11517] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11515] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11518] rt_sigprocmask(SIG_SETMASK, [], [pid 11517] <... bpf resumed>) = 5 [pid 11516] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] <... openat resumed>) = 3 [pid 11518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11518] memfd_create("syzkaller", 0 [pid 11517] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11518] <... memfd_create resumed>) = 3 [pid 11518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11517] <... futex resumed>) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11515] ioctl(3, LOOP_CLR_FD [pid 11504] <... futex resumed>) = 0 [pid 11504] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11518] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11517] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11504] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11516] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11518] <... write resumed>) = 131072 [pid 11517] <... bpf resumed>) = 0 [pid 11517] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11504] <... futex resumed>) = 0 [pid 11517] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11504] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11504] <... futex resumed>) = 0 [pid 11517] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11504] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11518] munmap(0x7fb91de38000, 138412032 [pid 11517] <... bpf resumed>) = 6 [pid 11517] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11504] <... futex resumed>) = 0 [pid 11517] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11504] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11518] <... munmap resumed>) = 0 [pid 11504] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [ 161.856642][T11512] loop1: detected capacity change from 0 to 256 [ 161.864188][T11510] loop2: detected capacity change from 0 to 256 [ 161.873767][T11512] exfat: Bad value for 'uid' [ 161.876664][T11510] exfat: Bad value for 'uid' [ 161.893664][T11515] loop3: detected capacity change from 0 to 256 [ 161.902190][T11515] exfat: Bad value for 'uid' [pid 11518] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11518] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11518] close(3 [pid 11517] <... bpf resumed>) = 7 [pid 11512] <... ioctl resumed>) = 0 [pid 11512] close(3) = 0 [pid 11512] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11509] <... futex resumed>) = 0 [pid 11512] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11509] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11509] <... futex resumed>) = 0 [pid 11512] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11509] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11512] <... socket resumed>) = 3 [pid 11512] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11509] <... futex resumed>) = 0 [pid 11512] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11509] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11509] <... futex resumed>) = 0 [pid 11512] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11509] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11510] <... ioctl resumed>) = 0 [pid 11512] <... socket resumed>) = 4 [pid 11512] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11509] <... futex resumed>) = 0 [pid 11512] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11509] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11509] <... futex resumed>) = 0 [pid 11512] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11509] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11512] <... sendto resumed>) = 32 [pid 11512] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11509}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11512] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11509] <... futex resumed>) = 0 [pid 11512] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11509] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11509] <... futex resumed>) = 0 [pid 11512] getsockname(4, [pid 11509] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11512] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11509, nl_groups=00000000}, [116 => 12]) = 0 [pid 11512] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11509] <... futex resumed>) = 0 [pid 11512] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11509] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11509] <... futex resumed>) = 0 [pid 11512] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf5\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11509] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11510] close(3 [pid 11517] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11518] <... close resumed>) = 0 [pid 11504] <... futex resumed>) = 0 [pid 11504] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] <... close resumed>) = 0 [pid 11504] <... futex resumed>) = 0 [pid 11504] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11518] close(4 [pid 11517] <... futex resumed>) = 1 [pid 11518] <... close resumed>) = 0 [pid 11517] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11518] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11518] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11515] <... ioctl resumed>) = 0 [pid 11510] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] close(3) = 0 [pid 11515] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11514] <... futex resumed>) = 0 [pid 11515] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11514] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11514] <... futex resumed>) = 0 [pid 11515] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11514] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11515] <... socket resumed>) = 3 [pid 11515] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11514] <... futex resumed>) = 0 [pid 11515] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11514] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11514] <... futex resumed>) = 0 [pid 11515] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11514] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11515] <... socket resumed>) = 4 [pid 11515] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11514] <... futex resumed>) = 0 [pid 11515] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11514] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11514] <... futex resumed>) = 0 [pid 11515] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11514] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11510] <... futex resumed>) = 1 [pid 11508] <... futex resumed>) = 0 [pid 11508] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11508] <... futex resumed>) = 0 [pid 11508] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11517] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] <... socket resumed>) = 3 [pid 11517] <... futex resumed>) = 1 [pid 11504] <... futex resumed>) = 0 [pid 11517] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11504] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11517] <... bpf resumed>) = 9 [pid 11510] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11504] <... futex resumed>) = 0 [pid 11510] <... futex resumed>) = 1 [pid 11508] <... futex resumed>) = 0 [pid 11504] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11510] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11508] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11510] <... socket resumed>) = 4 [pid 11508] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11517] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11517] <... futex resumed>) = 1 [pid 11510] <... futex resumed>) = 0 [pid 11508] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11504] <... futex resumed>) = 0 [pid 11517] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11510] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11508] <... futex resumed>) = 0 [pid 11508] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11518] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11518] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11518] ioctl(3, LOOP_CLR_FD [pid 11515] <... sendto resumed>) = 32 [pid 11510] <... sendto resumed>) = 32 [pid 11515] recvfrom(4, [pid 11510] recvfrom(4, [pid 11515] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11514}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11510] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11508}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11515] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] <... futex resumed>) = 1 [pid 11514] <... futex resumed>) = 0 [pid 11510] <... futex resumed>) = 1 [pid 11508] <... futex resumed>) = 0 [pid 11515] getsockname(4, [pid 11514] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] getsockname(4, [pid 11508] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11514, nl_groups=00000000}, [116 => 12]) = 0 [pid 11514] <... futex resumed>) = 0 [pid 11510] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11508, nl_groups=00000000}, [116 => 12]) = 0 [pid 11508] <... futex resumed>) = 0 [pid 11515] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11510] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11515] <... futex resumed>) = 0 [pid 11514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11510] <... futex resumed>) = 0 [pid 11508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11515] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11514] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11508] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11514] <... futex resumed>) = 0 [pid 11510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11508] <... futex resumed>) = 0 [pid 11515] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfa\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11514] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11510] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf4\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11508] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11507] <... sendmsg resumed>) = 64 [pid 11507] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11504] exit_group(0 [pid 11517] <... futex resumed>) = ? [pid 11507] <... futex resumed>) = ? [pid 11504] <... exit_group resumed>) = ? [pid 11517] +++ exited with 0 +++ [pid 11507] +++ exited with 0 +++ [pid 11504] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11504, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11522 ./strace-static-x86_64: Process 11522 attached [pid 11522] set_robust_list(0x5555555916a0, 24) = 0 [pid 11522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11522] setpgid(0, 0) = 0 [pid 11522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11518] <... ioctl resumed>) = 0 [pid 11518] close(3) = 0 [pid 11518] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11518] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11516] <... futex resumed>) = 0 [pid 11518] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11516] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11518] <... socket resumed>) = 3 [pid 11518] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11518] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11516] <... futex resumed>) = 0 [pid 11518] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11516] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11518] <... socket resumed>) = 4 [pid 11518] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11518] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11516] <... futex resumed>) = 0 [pid 11518] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11516] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11518] <... sendto resumed>) = 32 [pid 11518] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11516}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11518] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11518] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11509] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11516] <... futex resumed>) = 0 [pid 11509] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11518] getsockname(4, [pid 11516] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11509] <... futex resumed>) = 0 [pid 11518] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11516, nl_groups=00000000}, [116 => 12]) = 0 [pid 11509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11518] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11509] <... mmap resumed>) = 0x7fb926217000 [pid 11518] <... futex resumed>) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11509] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11518] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11509] <... mprotect resumed>) = 0 [pid 11518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11516] <... futex resumed>) = 0 [pid 11509] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11518] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfc\x2c\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11516] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11509] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11524]}, 88) = 11524 [pid 11509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11509] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 11524 attached [pid 11522] write(3, "1000", 4 [pid 11509] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11524] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11524] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11524] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11524] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] <... write resumed>) = 4 [pid 11522] close(3) = 0 [pid 11522] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11522] <... futex resumed>) = 0 [pid 11522] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11509] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11524] <... futex resumed>) = 0 [pid 11509] <... futex resumed>) = 1 [pid 11522] <... mmap resumed>) = 0x7fb926238000 [pid 11522] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11524] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11522] <... mprotect resumed>) = 0 [pid 11509] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11524] <... bpf resumed>) = 0 [pid 11522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11524] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11524] <... futex resumed>) = 1 [pid 11522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11509] <... futex resumed>) = 0 [ 161.912856][T11518] loop4: detected capacity change from 0 to 256 [ 161.919660][ T318] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 161.934240][T11518] exfat: Bad value for 'uid' [pid 11524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11509] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] <... clone3 resumed> => {parent_tid=[11525]}, 88) = 11525 [pid 11524] <... bpf resumed>) = 6 [pid 11522] rt_sigprocmask(SIG_SETMASK, [], [pid 11509] <... futex resumed>) = 0 [pid 11524] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11509] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11525 attached [pid 11524] <... futex resumed>) = 0 [pid 11522] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11524] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] <... futex resumed>) = 0 [pid 11509] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11522] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11509] <... futex resumed>) = 0 [pid 11524] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11509] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11525] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11524] <... bpf resumed>) = 7 [pid 11525] rt_sigprocmask(SIG_SETMASK, [], [pid 11524] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11524] <... futex resumed>) = 1 [pid 11509] <... futex resumed>) = 0 [pid 11524] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11509] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11509] <... futex resumed>) = 0 [pid 11524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11509] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11525] memfd_create("syzkaller", 0) = 3 [pid 11525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11524] <... bpf resumed>) = 8 [pid 11524] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11509] <... futex resumed>) = 0 [pid 11524] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11509] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11509] <... futex resumed>) = 0 [pid 11524] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11509] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11524] <... bpf resumed>) = 9 [pid 11524] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11509] <... futex resumed>) = 0 [pid 11524] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11525] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11525] munmap(0x7fb91de38000, 138412032) = 0 [pid 11525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11525] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11525] close(3 [pid 11514] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11525] <... close resumed>) = 0 [pid 11514] <... futex resumed>) = 0 [pid 11508] <... futex resumed>) = 0 [pid 11525] close(4 [pid 11514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11514] <... mmap resumed>) = 0x7fb926217000 [pid 11525] <... close resumed>) = 0 [pid 11525] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11525] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11514] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11508] <... mmap resumed>) = 0x7fb926217000 [pid 11514] <... mprotect resumed>) = 0 [pid 11508] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11514] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11508] <... mprotect resumed>) = 0 [pid 11514] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11508] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11508] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11514] <... clone3 resumed> => {parent_tid=[11526]}, 88) = 11526 [pid 11514] rt_sigprocmask(SIG_SETMASK, [], [pid 11508] <... clone3 resumed> => {parent_tid=[11527]}, 88) = 11527 [pid 11514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11508] rt_sigprocmask(SIG_SETMASK, [], [pid 11514] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11514] <... futex resumed>) = 0 [pid 11508] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11508] <... futex resumed>) = 0 [pid 11508] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11526 attached ./strace-static-x86_64: Process 11527 attached [pid 11526] set_robust_list(0x7fb9262379a0, 24 [pid 11527] set_robust_list(0x7fb9262379a0, 24 [pid 11525] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11527] <... set_robust_list resumed>) = 0 [pid 11526] <... set_robust_list resumed>) = 0 [pid 11525] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11527] rt_sigprocmask(SIG_SETMASK, [], [pid 11526] rt_sigprocmask(SIG_SETMASK, [], [pid 11525] <... openat resumed>) = 3 [pid 11527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11525] ioctl(3, LOOP_CLR_FD [pid 11527] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11526] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11527] <... bpf resumed>) = 5 [pid 11527] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11526] <... bpf resumed>) = 5 [pid 11508] <... futex resumed>) = 0 [pid 11527] <... futex resumed>) = 1 [pid 11526] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11527] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11526] <... futex resumed>) = 1 [pid 11514] <... futex resumed>) = 0 [pid 11508] <... futex resumed>) = 0 [pid 11527] <... bpf resumed>) = 0 [pid 11526] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11514] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11527] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11526] <... bpf resumed>) = 0 [pid 11514] <... futex resumed>) = 0 [pid 11527] <... futex resumed>) = 1 [pid 11526] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11508] <... futex resumed>) = 0 [pid 11527] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11526] <... futex resumed>) = 0 [pid 11514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11508] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11526] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11514] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] <... futex resumed>) = 0 [pid 11527] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11514] <... futex resumed>) = 0 [pid 11508] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11527] <... bpf resumed>) = 6 [pid 11526] <... bpf resumed>) = 6 [pid 11514] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11527] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11526] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11527] <... futex resumed>) = 1 [pid 11526] <... futex resumed>) = 1 [pid 11514] <... futex resumed>) = 0 [pid 11508] <... futex resumed>) = 0 [pid 11527] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11526] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11514] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11527] <... bpf resumed>) = 7 [pid 11526] <... bpf resumed>) = 7 [pid 11514] <... futex resumed>) = 0 [pid 11508] <... futex resumed>) = 0 [pid 11514] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11527] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11526] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11527] <... futex resumed>) = 0 [pid 11526] <... futex resumed>) = 1 [pid 11514] <... futex resumed>) = 0 [pid 11508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11527] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11526] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11514] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11514] <... futex resumed>) = 0 [pid 11508] <... futex resumed>) = 0 [pid 11527] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11514] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11508] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11527] <... bpf resumed>) = 8 [pid 11526] <... bpf resumed>) = 8 [pid 11527] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11526] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] <... futex resumed>) = 0 [pid 11527] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11514] <... futex resumed>) = 0 [pid 11508] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11527] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11526] <... futex resumed>) = 1 [pid 11514] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11508] <... futex resumed>) = 0 [pid 11527] <... bpf resumed>) = 9 [pid 11526] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11514] <... futex resumed>) = 0 [pid 11508] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11514] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11527] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11526] <... bpf resumed>) = 9 [pid 11508] <... futex resumed>) = 0 [pid 11527] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11526] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] <... futex resumed>) = 0 [pid 11526] <... futex resumed>) = 1 [pid 11526] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11516] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11516] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11516] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11528 attached => {parent_tid=[11528]}, 88) = 11528 [pid 11516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11516] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11516] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11528] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11528] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11528] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11528] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11516] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11528] <... bpf resumed>) = 0 [pid 11516] <... futex resumed>) = 0 [pid 11528] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11516] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11528] <... futex resumed>) = 0 [pid 11516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11528] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11516] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11516] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11528] <... bpf resumed>) = 6 [pid 11528] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11528] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11516] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11528] <... bpf resumed>) = 7 [pid 11516] <... futex resumed>) = 0 [pid 11528] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11516] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11528] <... futex resumed>) = 0 [pid 11516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11528] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11516] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11516] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11528] <... bpf resumed>) = 8 [pid 11528] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11516] <... futex resumed>) = 0 [pid 11528] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11516] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11528] <... bpf resumed>) = 9 [pid 11516] <... futex resumed>) = 0 [pid 11528] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11516] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11528] <... futex resumed>) = 0 [pid 11516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 162.001677][T11525] loop0: detected capacity change from 0 to 256 [ 162.010494][T11525] exfat: Bad value for 'uid' [pid 11528] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11515] <... sendmsg resumed>) = 64 [pid 11525] <... ioctl resumed>) = 0 [pid 11515] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] <... sendmsg resumed>) = 64 [pid 11525] close(3 [pid 11515] <... futex resumed>) = 0 [pid 11512] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11525] <... close resumed>) = 0 [pid 11515] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11512] <... futex resumed>) = 0 [pid 11525] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11512] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11525] <... futex resumed>) = 1 [pid 11522] <... futex resumed>) = 0 [pid 11525] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] exit_group(0 [pid 11525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11522] <... futex resumed>) = 0 [pid 11526] <... futex resumed>) = ? [pid 11525] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11522] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11515] <... futex resumed>) = ? [pid 11514] <... exit_group resumed>) = ? [pid 11509] exit_group(0 [pid 11526] +++ exited with 0 +++ [pid 11525] <... socket resumed>) = 3 [pid 11524] <... futex resumed>) = ? [pid 11509] <... exit_group resumed>) = ? [pid 11524] +++ exited with 0 +++ [pid 11515] +++ exited with 0 +++ [pid 11525] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11514] +++ exited with 0 +++ [pid 11512] <... futex resumed>) = ? [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11514, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11512] +++ exited with 0 +++ [pid 11509] +++ exited with 0 +++ [pid 11525] <... futex resumed>) = 1 [pid 299] <... restart_syscall resumed>) = 0 [pid 11522] <... futex resumed>) = 0 [pid 11525] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11522] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11509, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11525] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11522] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11525] <... socket resumed>) = 4 [pid 299] <... openat resumed>) = 3 [pid 297] <... restart_syscall resumed>) = 0 [pid 11525] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11525] <... futex resumed>) = 1 [pid 11522] <... futex resumed>) = 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11525] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11522] <... futex resumed>) = 0 [pid 299] close(3 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11525] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11522] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... close resumed>) = 0 [pid 11525] <... sendto resumed>) = 32 [pid 11525] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11522}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11525] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... openat resumed>) = 3 [pid 11525] <... futex resumed>) = 1 [pid 11522] <... futex resumed>) = 0 [pid 11525] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11522] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11529 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11525] getsockname(4, [pid 11522] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11529 attached [pid 11525] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11522, nl_groups=00000000}, [116 => 12]) = 0 [pid 297] close(3 [pid 11529] set_robust_list(0x5555555916a0, 24 [pid 11525] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 11525] <... futex resumed>) = 1 [pid 11522] <... futex resumed>) = 0 [pid 11525] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11522] <... futex resumed>) = 0 [pid 11525] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x02\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11522] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11531 [pid 11529] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 11531 attached [pid 11531] set_robust_list(0x5555555916a0, 24) = 0 [pid 11531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11531] setpgid(0, 0) = 0 [pid 11531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11531] write(3, "1000", 4) = 4 [pid 11531] close(3 [pid 11529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11531] <... close resumed>) = 0 [pid 11529] <... prctl resumed>) = 0 [pid 11529] setpgid(0, 0) = 0 [pid 11531] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11531] <... futex resumed>) = 0 [pid 11531] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11529] <... openat resumed>) = 3 [pid 11531] <... mmap resumed>) = 0x7fb926238000 [pid 11529] write(3, "1000", 4 [pid 11531] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11529] <... write resumed>) = 4 [pid 11531] <... mprotect resumed>) = 0 [pid 11529] close(3 [pid 11531] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11529] <... close resumed>) = 0 [pid 11531] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11529] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11529] <... futex resumed>) = 0 [pid 11529] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, ./strace-static-x86_64: Process 11532 attached NULL, 8) = 0 [pid 11531] <... clone3 resumed> => {parent_tid=[11532]}, 88) = 11532 [pid 11529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11532] set_robust_list(0x7fb9262589a0, 24 [pid 11531] rt_sigprocmask(SIG_SETMASK, [], [pid 11529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11532] <... set_robust_list resumed>) = 0 [pid 11531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11532] rt_sigprocmask(SIG_SETMASK, [], [pid 11531] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11531] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11529] <... mmap resumed>) = 0x7fb926238000 [pid 11529] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11532] memfd_create("syzkaller", 0) = 3 [pid 11529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11532] <... mmap resumed>) = 0x7fb91de38000 [pid 11529] <... clone3 resumed> => {parent_tid=[11533]}, 88) = 11533 [pid 11529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11529] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11529] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11533 attached [pid 11533] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11518] <... sendmsg resumed>) = 64 [pid 11510] <... sendmsg resumed>) = 64 [pid 11518] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11510] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11518] <... futex resumed>) = 0 [pid 11533] memfd_create("syzkaller", 0 [pid 11510] <... futex resumed>) = 0 [pid 11518] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11510] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11533] <... memfd_create resumed>) = 3 [pid 11533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11508] exit_group(0 [pid 11527] <... futex resumed>) = ? [pid 11516] exit_group(0 [pid 11510] <... futex resumed>) = ? [pid 11508] <... exit_group resumed>) = ? [pid 11532] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11528] <... futex resumed>) = ? [pid 11527] +++ exited with 0 +++ [pid 11518] <... futex resumed>) = ? [pid 11516] <... exit_group resumed>) = ? [pid 11510] +++ exited with 0 +++ [pid 11528] +++ exited with 0 +++ [pid 11518] +++ exited with 0 +++ [pid 11533] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11532] <... write resumed>) = 131072 [pid 11532] munmap(0x7fb91de38000, 138412032) = 0 [pid 11533] <... write resumed>) = 131072 [pid 11532] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11533] munmap(0x7fb91de38000, 138412032) = 0 [pid 11532] <... openat resumed>) = 4 [pid 11533] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11533] ioctl(4, LOOP_SET_FD, 3 [pid 11532] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11533] <... ioctl resumed>) = 0 [pid 11532] close(3 [pid 11533] close(3 [pid 11532] <... close resumed>) = 0 [pid 11533] <... close resumed>) = 0 [pid 11532] close(4 [pid 11533] close(4 [pid 11532] <... close resumed>) = 0 [pid 11532] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11532] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11532] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11532] ioctl(3, LOOP_CLR_FD [pid 11533] <... close resumed>) = 0 [pid 11533] mkdir("./file0", 0777 [pid 11522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11522] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11522] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11533] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11533] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11522] <... clone3 resumed> => {parent_tid=[11534]}, 88) = 11534 [pid 11522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11522] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11522] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11534 attached [pid 11534] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11534] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11534] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] <... futex resumed>) = 0 [pid 11522] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11522] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11534] <... futex resumed>) = 1 [pid 11534] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11534] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] <... futex resumed>) = 0 [pid 11522] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11522] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11534] <... futex resumed>) = 1 [pid 11534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11534] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11534] <... futex resumed>) = 1 [pid 11533] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11522] <... futex resumed>) = 0 [pid 11522] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11534] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11522] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11533] <... openat resumed>) = 3 [pid 11533] ioctl(3, LOOP_CLR_FD [pid 11516] +++ exited with 0 +++ [pid 11508] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11516, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11508, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 300] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11535 ./strace-static-x86_64: Process 11535 attached [pid 11535] set_robust_list(0x5555555916a0, 24) = 0 [pid 11535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11535] setpgid(0, 0) = 0 [pid 11535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11535] write(3, "1000", 4) = 4 [pid 11535] close(3) = 0 [pid 11535] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11535] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11535] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11535] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11536]}, 88) = 11536 [pid 11535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11535] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11535] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11536 attached [pid 11536] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11536] memfd_create("syzkaller", 0) = 3 [pid 11536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3 [pid 11536] <... mmap resumed>) = 0x7fb91de38000 [pid 300] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11537 [pid 11536] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [ 162.114377][T11532] loop1: detected capacity change from 0 to 256 [ 162.114505][T11533] loop3: detected capacity change from 0 to 256 [ 162.128644][T11532] exfat: Bad value for 'uid' [ 162.138495][T11533] exfat: Bad value for 'uid' [pid 11536] munmap(0x7fb91de38000, 138412032) = 0 [pid 11536] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11536] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11537 attached [pid 11537] set_robust_list(0x5555555916a0, 24) = 0 [pid 11537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11537] setpgid(0, 0) = 0 [pid 11537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11537] write(3, "1000", 4) = 4 [pid 11537] close(3) = 0 [pid 11537] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11537] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11537] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11538]}, 88) = 11538 [pid 11537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11536] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 11538 attached [pid 11537] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11536] close(3) = 0 [pid 11536] close(4) = 0 [pid 11536] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11536] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11538] set_robust_list(0x7fb9262589a0, 24 [pid 11537] <... futex resumed>) = 0 [pid 11536] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11532] <... ioctl resumed>) = 0 [pid 11532] close(3) = 0 [pid 11532] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11531] <... futex resumed>) = 0 [pid 11532] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11531] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11531] <... futex resumed>) = 0 [pid 11532] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11531] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11532] <... socket resumed>) = 3 [pid 11536] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11532] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] <... set_robust_list resumed>) = 0 [pid 11537] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11536] <... openat resumed>) = 3 [pid 11534] <... bpf resumed>) = 7 [pid 11533] <... ioctl resumed>) = 0 [pid 11532] <... futex resumed>) = 1 [pid 11531] <... futex resumed>) = 0 [pid 11532] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11531] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11531] <... futex resumed>) = 0 [pid 11532] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11531] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11532] <... socket resumed>) = 4 [pid 11532] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11531] <... futex resumed>) = 0 [pid 11532] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11531] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11531] <... futex resumed>) = 0 [pid 11532] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11531] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11538] rt_sigprocmask(SIG_SETMASK, [], [pid 11536] ioctl(3, LOOP_CLR_FD [pid 11534] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] close(3 [pid 11532] <... sendto resumed>) = 32 [pid 11532] recvfrom(4, [pid 11538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11532] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11531}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11532] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11534] <... futex resumed>) = 1 [pid 11532] <... futex resumed>) = 1 [pid 11533] <... close resumed>) = 0 [pid 11531] <... futex resumed>) = 0 [pid 11522] <... futex resumed>) = 0 [pid 11532] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11531] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11522] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11533] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11531] <... futex resumed>) = 0 [pid 11522] <... futex resumed>) = 0 [pid 11532] getsockname(4, [pid 11531] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11522] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11532] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11531, nl_groups=00000000}, [116 => 12]) = 0 [pid 11533] <... futex resumed>) = 1 [pid 11532] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] <... futex resumed>) = 0 [pid 11532] <... futex resumed>) = 1 [pid 11531] <... futex resumed>) = 0 [pid 11529] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11532] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11531] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] <... futex resumed>) = 0 [pid 11538] memfd_create("syzkaller", 0 [pid 11532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11531] <... futex resumed>) = 0 [pid 11529] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11533] <... socket resumed>) = 3 [pid 11532] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0b\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11531] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11538] <... memfd_create resumed>) = 3 [pid 11533] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11533] <... futex resumed>) = 1 [pid 11529] <... futex resumed>) = 0 [pid 11538] <... mmap resumed>) = 0x7fb91de38000 [pid 11533] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11529] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11533] <... socket resumed>) = 4 [pid 11529] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11533] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11529] <... futex resumed>) = 0 [pid 11533] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11529] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11534] <... bpf resumed>) = 8 [pid 11529] <... futex resumed>) = 0 [pid 11538] <... write resumed>) = 131072 [pid 11534] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11538] munmap(0x7fb91de38000, 138412032 [pid 11534] <... futex resumed>) = 1 [pid 11522] <... futex resumed>) = 0 [pid 11538] <... munmap resumed>) = 0 [pid 11534] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11522] <... futex resumed>) = 0 [pid 11538] <... openat resumed>) = 4 [pid 11534] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11522] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11538] ioctl(4, LOOP_SET_FD, 3 [pid 11534] <... bpf resumed>) = 9 [pid 11536] <... ioctl resumed>) = 0 [pid 11525] <... sendmsg resumed>) = 64 [pid 11536] close(3 [pid 11525] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] <... ioctl resumed>) = 0 [pid 11536] <... close resumed>) = 0 [pid 11534] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] close(3 [pid 11534] <... futex resumed>) = 1 [pid 11522] <... futex resumed>) = 0 [pid 11538] <... close resumed>) = 0 [pid 11534] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11522] exit_group(0 [pid 11538] close(4 [pid 11534] <... futex resumed>) = ? [pid 11522] <... exit_group resumed>) = ? [pid 11538] <... close resumed>) = 0 [pid 11534] +++ exited with 0 +++ [pid 11538] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11538] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11536] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] <... sendto resumed>) = 32 [pid 11525] <... futex resumed>) = ? [pid 11538] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11538] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11538] ioctl(3, LOOP_CLR_FD [pid 11525] +++ exited with 0 +++ [pid 11533] recvfrom(4, [pid 11522] +++ exited with 0 +++ [pid 11533] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11529}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11536] <... futex resumed>) = 1 [pid 11535] <... futex resumed>) = 0 [pid 11533] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11522, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11535] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] <... futex resumed>) = 1 [pid 11536] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11535] <... futex resumed>) = 0 [pid 11533] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11529] <... futex resumed>) = 0 [pid 11535] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11536] <... socket resumed>) = 3 [pid 11533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11529] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11536] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] getsockname(4, [pid 11529] <... futex resumed>) = 0 [pid 11533] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11529, nl_groups=00000000}, [116 => 12]) = 0 [pid 11536] <... futex resumed>) = 1 [pid 11535] <... futex resumed>) = 0 [pid 11533] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11536] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11529] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11535] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11533] <... futex resumed>) = 0 [pid 11529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11535] <... futex resumed>) = 0 [pid 11533] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x09\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11529] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11535] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11536] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11529] <... futex resumed>) = 0 [pid 11536] <... socket resumed>) = 4 [pid 11529] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11536] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11535] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11536] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11535] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] <... openat resumed>) = 3 [pid 11535] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11541 ./strace-static-x86_64: Process 11541 attached [pid 11541] set_robust_list(0x5555555916a0, 24) = 0 [pid 11541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11541] setpgid(0, 0) = 0 [pid 11541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11541] write(3, "1000", 4) = 4 [pid 11541] close(3) = 0 [pid 11541] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11541] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11536] <... sendto resumed>) = 32 [pid 11536] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11535}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11536] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11535] <... futex resumed>) = 0 [pid 11536] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11535] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11535] <... futex resumed>) = 0 [pid 11536] getsockname(4, [pid 11535] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11536] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11535, nl_groups=00000000}, [116 => 12]) = 0 [pid 11536] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11535] <... futex resumed>) = 0 [pid 11536] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11535] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11535] <... futex resumed>) = 0 [pid 11536] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0f\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11535] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11541] <... mmap resumed>) = 0x7fb926238000 [pid 11541] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11543]}, 88) = 11543 [pid 11541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11541] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11541] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11543 attached [pid 11543] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11543] memfd_create("syzkaller", 0) = 3 [pid 11543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11543] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11543] munmap(0x7fb91de38000, 138412032) = 0 [pid 11543] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 162.176383][T11536] loop2: detected capacity change from 0 to 256 [ 162.183280][T11536] exfat: Bad value for 'uid' [ 162.205623][T11538] loop4: detected capacity change from 0 to 256 [ 162.214707][T11538] exfat: Bad value for 'uid' [pid 11543] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11543] close(3) = 0 [pid 11543] close(4) = 0 [pid 11538] <... ioctl resumed>) = 0 [pid 11531] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11531] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11531] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11531] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11544]}, 88) = 11544 [pid 11531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11531] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11531] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11543] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11543] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11544 attached [pid 11538] close(3) = 0 [pid 11538] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11537] <... futex resumed>) = 0 [pid 11538] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11537] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] <... socket resumed>) = 3 [pid 11537] <... futex resumed>) = 0 [pid 11538] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11538] <... futex resumed>) = 0 [pid 11537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11538] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11537] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] <... socket resumed>) = 4 [pid 11537] <... futex resumed>) = 0 [pid 11538] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11538] <... futex resumed>) = 0 [pid 11537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11544] set_robust_list(0x7fb9262379a0, 24 [pid 11543] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11538] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11537] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] <... sendto resumed>) = 32 [pid 11543] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11538] recvfrom(4, [pid 11537] <... futex resumed>) = 0 [pid 11543] <... openat resumed>) = 3 [pid 11544] <... set_robust_list resumed>) = 0 [pid 11544] rt_sigprocmask(SIG_SETMASK, [], [pid 11538] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11537}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11537] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11543] ioctl(3, LOOP_CLR_FD [pid 11544] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11538] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11544] <... bpf resumed>) = 5 [pid 11544] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] <... futex resumed>) = 0 [pid 11531] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11531] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11538] <... futex resumed>) = 1 [pid 11537] <... futex resumed>) = 0 [pid 11544] <... futex resumed>) = 1 [pid 11537] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] getsockname(4, [pid 11544] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11544] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] <... futex resumed>) = 0 [pid 11531] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11537, nl_groups=00000000}, [116 => 12]) = 0 [pid 11537] <... futex resumed>) = 0 [pid 11531] <... futex resumed>) = 0 [pid 11538] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11531] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11538] <... futex resumed>) = 0 [pid 11537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11544] <... futex resumed>) = 1 [pid 11537] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x11\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11537] <... futex resumed>) = 0 [pid 11544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11537] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11544] <... bpf resumed>) = 6 [pid 11544] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] <... futex resumed>) = 0 [pid 11531] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11531] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11544] <... futex resumed>) = 1 [pid 11544] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11544] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] <... futex resumed>) = 0 [pid 11531] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11531] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11544] <... futex resumed>) = 1 [pid 11544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11544] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] <... futex resumed>) = 0 [pid 11531] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11531] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11544] <... futex resumed>) = 1 [pid 11544] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11544] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] <... futex resumed>) = 0 [pid 11544] <... futex resumed>) = 1 [pid 11544] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11529] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11529] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11529] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11546]}, 88) = 11546 [pid 11529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11529] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11546 attached ) = 0 [pid 11529] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11546] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11546] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11546] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] <... futex resumed>) = 0 [pid 11529] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11529] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11546] <... futex resumed>) = 1 [pid 11546] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11546] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] <... futex resumed>) = 0 [pid 11529] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11529] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11546] <... futex resumed>) = 1 [pid 11546] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11535] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11535] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11535] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11547]}, 88) = 11547 [pid 11535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11546] <... bpf resumed>) = 6 [pid 11535] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11546] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11535] <... futex resumed>) = 0 [pid 11535] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11529] <... futex resumed>) = 0 [pid 11529] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11529] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11546] <... futex resumed>) = 1 [pid 11546] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11546] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] <... futex resumed>) = 0 [pid 11529] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11529] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11546] <... futex resumed>) = 1 [pid 11546] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11546] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] <... futex resumed>) = 0 [pid 11529] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11529] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11546] <... futex resumed>) = 1 [pid 11546] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16./strace-static-x86_64: Process 11547 attached ) = 9 [pid 11547] set_robust_list(0x7fb9262379a0, 24 [pid 11546] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11547] <... set_robust_list resumed>) = 0 [pid 11547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11547] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11546] <... futex resumed>) = 1 [pid 11529] <... futex resumed>) = 0 [pid 11547] <... bpf resumed>) = 5 [pid 11547] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11546] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11547] <... futex resumed>) = 1 [pid 11535] <... futex resumed>) = 0 [pid 11547] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11535] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11547] <... bpf resumed>) = 0 [pid 11535] <... futex resumed>) = 0 [pid 11547] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11535] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 11547] <... futex resumed>) = 0 [pid 11535] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11547] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11535] <... futex resumed>) = 0 [pid 11535] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11547] <... bpf resumed>) = 6 [pid 11547] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11535] <... futex resumed>) = 0 [pid 11547] <... futex resumed>) = 1 [pid 11535] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11547] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11535] <... futex resumed>) = 0 [ 162.235702][T11543] loop0: detected capacity change from 0 to 256 [ 162.247020][ T1850] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 162.251101][T11543] exfat: Bad value for 'uid' [pid 11547] <... bpf resumed>) = 7 [pid 11535] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11547] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11535] <... futex resumed>) = 0 [pid 11547] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11535] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11535] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11547] <... bpf resumed>) = 8 [pid 11547] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11535] <... futex resumed>) = 0 [pid 11547] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11535] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11547] <... bpf resumed>) = 9 [pid 11535] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11547] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11535] <... futex resumed>) = 0 [pid 11547] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11543] <... ioctl resumed>) = 0 [pid 11543] close(3) = 0 [pid 11543] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11541] <... futex resumed>) = 0 [pid 11543] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11541] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11541] <... futex resumed>) = 0 [pid 11543] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11541] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11543] <... socket resumed>) = 3 [pid 11543] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11541] <... futex resumed>) = 0 [pid 11543] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11541] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11541] <... futex resumed>) = 0 [pid 11543] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11541] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11543] <... socket resumed>) = 4 [pid 11543] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11541] <... futex resumed>) = 0 [pid 11543] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11541] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11541] <... futex resumed>) = 0 [pid 11543] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11541] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11543] <... sendto resumed>) = 32 [pid 11543] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11541}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11543] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11541] <... futex resumed>) = 0 [pid 11543] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11541] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11541] <... futex resumed>) = 0 [pid 11543] getsockname(4, [pid 11541] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11543] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11541, nl_groups=00000000}, [116 => 12]) = 0 [pid 11543] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11541] <... futex resumed>) = 0 [pid 11543] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11541] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11541] <... futex resumed>) = 0 [pid 11543] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x15\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11541] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11537] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11537] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11537] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11549 attached => {parent_tid=[11549]}, 88) = 11549 [pid 11537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11537] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11549] set_robust_list(0x7fb9262379a0, 24 [pid 11537] <... futex resumed>) = 0 [pid 11549] <... set_robust_list resumed>) = 0 [pid 11537] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11549] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11549] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] <... futex resumed>) = 0 [pid 11537] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11549] <... futex resumed>) = 1 [pid 11537] <... futex resumed>) = 0 [pid 11537] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11549] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11549] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11537] <... futex resumed>) = 0 [pid 11549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11537] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11532] <... sendmsg resumed>) = 64 [pid 11532] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] exit_group(0 [pid 11544] <... futex resumed>) = ? [pid 11537] <... futex resumed>) = 0 [pid 11532] <... futex resumed>) = ? [pid 11531] <... exit_group resumed>) = ? [pid 11549] <... bpf resumed>) = 6 [pid 11544] +++ exited with 0 +++ [pid 11537] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11532] +++ exited with 0 +++ [pid 11549] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11531] +++ exited with 0 +++ [pid 11549] <... futex resumed>) = 1 [pid 11537] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11531, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11549] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11537] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11549] <... bpf resumed>) = 7 [pid 11537] <... futex resumed>) = 0 [pid 11549] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11537] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11549] <... futex resumed>) = 0 [pid 11537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11537] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11537] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 11549] <... bpf resumed>) = 8 [pid 297] <... close resumed>) = 0 [pid 11549] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11549] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11550 [pid 11537] <... futex resumed>) = 0 [pid 11537] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11550 attached [pid 11549] <... futex resumed>) = 0 [pid 11537] <... futex resumed>) = 1 [pid 11549] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11537] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11549] <... bpf resumed>) = 9 [pid 11549] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11537] <... futex resumed>) = 0 [pid 11549] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11550] set_robust_list(0x5555555916a0, 24) = 0 [pid 11550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11550] setpgid(0, 0) = 0 [pid 11550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11550] write(3, "1000", 4) = 4 [pid 11550] close(3) = 0 [pid 11550] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11550] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11550] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11551 attached => {parent_tid=[11551]}, 88) = 11551 [pid 11550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11550] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11550] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11551] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11551] memfd_create("syzkaller", 0) = 3 [pid 11551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11551] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11551] munmap(0x7fb91de38000, 138412032) = 0 [pid 11551] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11551] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11551] close(3) = 0 [pid 11551] close(4) = 0 [pid 11551] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11551] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11551] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11551] ioctl(3, LOOP_CLR_FD [pid 11541] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11541] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11536] <... sendmsg resumed>) = 64 [pid 11533] <... sendmsg resumed>) = 64 [pid 11541] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11536] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11535] exit_group(0 [pid 11533] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] exit_group(0 [pid 11547] <... futex resumed>) = ? [pid 11546] <... futex resumed>) = ? [pid 11541] <... mprotect resumed>) = 0 [pid 11536] <... futex resumed>) = ? [pid 11535] <... exit_group resumed>) = ? [pid 11533] <... futex resumed>) = ? [pid 11529] <... exit_group resumed>) = ? [pid 11547] +++ exited with 0 +++ [pid 11546] +++ exited with 0 +++ [pid 11541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11536] +++ exited with 0 +++ [pid 11535] +++ exited with 0 +++ [pid 11533] +++ exited with 0 +++ [pid 11541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11552]}, 88) = 11552 [pid 11541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11541] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11535, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11541] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 11552 attached [pid 11552] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11552] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 11552] <... bpf resumed>) = 5 [pid 11552] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11541] <... futex resumed>) = 0 [pid 11541] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11541] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11552] <... futex resumed>) = 1 [pid 11552] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11552] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11541] <... futex resumed>) = 0 [pid 11541] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11541] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11552] <... futex resumed>) = 1 [pid 11552] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11553 ./strace-static-x86_64: Process 11553 attached [pid 11552] <... bpf resumed>) = 6 [pid 11552] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] set_robust_list(0x5555555916a0, 24 [pid 11552] <... futex resumed>) = 1 [pid 11541] <... futex resumed>) = 0 [pid 11553] <... set_robust_list resumed>) = 0 [pid 11541] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11552] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11541] <... futex resumed>) = 0 [pid 11541] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11553] setpgid(0, 0) = 0 [pid 11553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11553] write(3, "1000", 4) = 4 [pid 11553] close(3) = 0 [pid 11553] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11553] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11553] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11553] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11554 attached => {parent_tid=[11554]}, 88) = 11554 [pid 11553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11553] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11553] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11554] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11554] memfd_create("syzkaller", 0) = 3 [pid 11554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11554] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11554] munmap(0x7fb91de38000, 138412032) = 0 [pid 11552] <... bpf resumed>) = 7 [pid 11552] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11529] +++ exited with 0 +++ [pid 11554] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11552] <... futex resumed>) = 1 [pid 11541] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11529, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11552] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11541] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11554] <... openat resumed>) = 4 [pid 11552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11541] <... futex resumed>) = 0 [pid 11554] ioctl(4, LOOP_SET_FD, 3 [pid 11552] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11541] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 162.348563][T11551] loop1: detected capacity change from 0 to 256 [ 162.357524][T11551] exfat: Bad value for 'uid' [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11555 ./strace-static-x86_64: Process 11555 attached [pid 11552] <... bpf resumed>) = 8 [pid 11555] set_robust_list(0x5555555916a0, 24 [pid 11552] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11555] <... set_robust_list resumed>) = 0 [pid 11552] <... futex resumed>) = 1 [pid 11555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11552] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11554] <... ioctl resumed>) = 0 [pid 11541] <... futex resumed>) = 0 [pid 11555] <... prctl resumed>) = 0 [pid 11554] close(3 [pid 11552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11551] <... ioctl resumed>) = 0 [pid 11541] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] <... sendmsg resumed>) = 64 [pid 11554] <... close resumed>) = 0 [pid 11551] close(3 [pid 11541] <... futex resumed>) = 0 [pid 11538] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11554] close(4 [pid 11551] <... close resumed>) = 0 [pid 11541] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11538] <... futex resumed>) = 0 [pid 11554] <... close resumed>) = 0 [pid 11551] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11538] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11537] exit_group(0 [pid 11554] mkdir("./file0", 0777 [pid 11551] <... futex resumed>) = 1 [pid 11550] <... futex resumed>) = 0 [pid 11549] <... futex resumed>) = ? [pid 11538] <... futex resumed>) = ? [pid 11537] <... exit_group resumed>) = ? [pid 11554] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11552] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11551] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11550] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11549] +++ exited with 0 +++ [pid 11538] +++ exited with 0 +++ [pid 11554] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11550] <... futex resumed>) = 0 [pid 11551] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11550] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11551] <... socket resumed>) = 3 [pid 11551] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11550] <... futex resumed>) = 0 [pid 11551] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11550] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11550] <... futex resumed>) = 0 [pid 11551] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11550] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11551] <... socket resumed>) = 4 [pid 11551] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11550] <... futex resumed>) = 0 [pid 11551] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11550] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11550] <... futex resumed>) = 0 [pid 11551] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11550] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11537] +++ exited with 0 +++ [pid 11554] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11551] <... sendto resumed>) = 32 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11537, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11554] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11551] recvfrom(4, [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 11554] <... openat resumed>) = 3 [pid 11551] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11550}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 300] <... restart_syscall resumed>) = 0 [pid 11554] ioctl(3, LOOP_CLR_FD [pid 11551] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11550] <... futex resumed>) = 0 [pid 11551] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11550] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11550] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 11551] getsockname(4, [pid 11550] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] ioctl(3, LOOP_CLR_FD [pid 11551] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11550, nl_groups=00000000}, [116 => 12]) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11551] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] close(3 [pid 11551] <... futex resumed>) = 1 [pid 11550] <... futex resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 11551] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11550] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11550] <... futex resumed>) = 0 [pid 11551] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x1e\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11550] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11556 ./strace-static-x86_64: Process 11556 attached [pid 11552] <... bpf resumed>) = 9 [pid 11556] set_robust_list(0x5555555916a0, 24) = 0 [pid 11556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11552] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11556] <... prctl resumed>) = 0 [pid 11556] setpgid(0, 0) = 0 [pid 11556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11552] <... futex resumed>) = 1 [pid 11541] <... futex resumed>) = 0 [pid 11552] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11556] <... openat resumed>) = 3 [pid 11556] write(3, "1000", 4) = 4 [pid 11556] close(3) = 0 [pid 11556] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11556] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11556] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11558]}, 88) = 11558 ./strace-static-x86_64: Process 11558 attached [pid 11556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11556] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11556] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11558] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11558] memfd_create("syzkaller", 0) = 3 [pid 11558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11555] setpgid(0, 0 [pid 11558] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11555] <... setpgid resumed>) = 0 [pid 11555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11558] <... write resumed>) = 131072 [pid 11558] munmap(0x7fb91de38000, 138412032 [pid 11555] <... openat resumed>) = 3 [pid 11555] write(3, "1000", 4) = 4 [pid 11558] <... munmap resumed>) = 0 [pid 11555] close(3) = 0 [pid 11555] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11555] <... futex resumed>) = 0 [pid 11555] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11543] <... sendmsg resumed>) = 64 [pid 11554] <... ioctl resumed>) = 0 [pid 11543] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11554] close(3 [pid 11543] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11555] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11554] <... close resumed>) = 0 [pid 11555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11554] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] <... openat resumed>) = 4 [pid 11555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11554] <... futex resumed>) = 1 [pid 11553] <... futex resumed>) = 0 [pid 11541] exit_group(0 [pid 11555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11554] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11553] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11552] <... futex resumed>) = ? [pid 11543] <... futex resumed>) = ? [pid 11541] <... exit_group resumed>) = ? [pid 11558] ioctl(4, LOOP_SET_FD, 3 [pid 11555] <... mmap resumed>) = 0x7fb926238000 [pid 11554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11553] <... futex resumed>) = 0 [pid 11552] +++ exited with 0 +++ [pid 11543] +++ exited with 0 +++ [pid 11541] +++ exited with 0 +++ [pid 11555] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11554] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [ 162.399913][T11554] loop2: detected capacity change from 0 to 256 [ 162.410665][T11554] exfat: Bad value for 'uid' [pid 11553] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11541, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11555] <... mprotect resumed>) = 0 [pid 11555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11559]}, 88) = 11559 [pid 11555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11555] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 11555] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11555] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11560 [pid 11554] <... socket resumed>) = 3 ./strace-static-x86_64: Process 11559 attached [pid 11558] <... ioctl resumed>) = 0 [pid 11554] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11560 attached [pid 11559] set_robust_list(0x7fb9262589a0, 24 [pid 11558] close(3 [pid 11554] <... futex resumed>) = 1 [pid 11553] <... futex resumed>) = 0 [pid 11559] <... set_robust_list resumed>) = 0 [pid 11558] <... close resumed>) = 0 [pid 11554] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11553] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11559] rt_sigprocmask(SIG_SETMASK, [], [pid 11558] close(4 [pid 11554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11560] set_robust_list(0x5555555916a0, 24 [pid 11559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11558] <... close resumed>) = 0 [pid 11560] <... set_robust_list resumed>) = 0 [pid 11559] memfd_create("syzkaller", 0 [pid 11558] mkdir("./file0", 0777 [pid 11554] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11553] <... futex resumed>) = 0 [pid 11560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11559] <... memfd_create resumed>) = 3 [pid 11558] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11554] <... socket resumed>) = 4 [pid 11553] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11560] <... prctl resumed>) = 0 [pid 11559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11558] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11554] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11560] setpgid(0, 0 [pid 11559] <... mmap resumed>) = 0x7fb91de38000 [pid 11554] <... futex resumed>) = 0 [pid 11553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11554] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11553] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11553] <... futex resumed>) = 0 [pid 11554] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11553] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11554] <... sendto resumed>) = 32 [pid 11554] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11553}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11554] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11553] <... futex resumed>) = 0 [pid 11554] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11553] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11553] <... futex resumed>) = 0 [pid 11554] getsockname(4, [pid 11553] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11554] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11553, nl_groups=00000000}, [116 => 12]) = 0 [pid 11554] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11553] <... futex resumed>) = 0 [pid 11554] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11553] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11553] <... futex resumed>) = 0 [pid 11554] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x21\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11553] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11560] <... setpgid resumed>) = 0 [pid 11560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11560] write(3, "1000", 4) = 4 [pid 11560] close(3) = 0 [pid 11560] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11560] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11558] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11560] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11559] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11558] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11559] <... write resumed>) = 131072 [pid 11558] <... openat resumed>) = 3 [pid 11559] munmap(0x7fb91de38000, 138412032 [pid 11558] ioctl(3, LOOP_CLR_FD [pid 11559] <... munmap resumed>) = 0 [pid 11559] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11559] ioctl(4, LOOP_SET_FD, 3 [pid 11560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11562]}, 88) = 11562 [pid 11560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11560] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11560] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11562 attached [pid 11562] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11550] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11550] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11562] rt_sigprocmask(SIG_SETMASK, [], [pid 11559] <... ioctl resumed>) = 0 [pid 11559] close(3 [pid 11562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11559] <... close resumed>) = 0 [pid 11562] memfd_create("syzkaller", 0 [pid 11559] close(4) = 0 [pid 11559] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11559] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11562] <... memfd_create resumed>) = 3 [pid 11559] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11559] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11559] <... openat resumed>) = 3 [pid 11559] ioctl(3, LOOP_CLR_FD) = 0 [pid 11559] close(3) = 0 [pid 11559] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11559] <... futex resumed>) = 1 [pid 11559] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11559] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11559] <... futex resumed>) = 1 [pid 11559] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11559] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11559] <... futex resumed>) = 1 [pid 11559] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11550] <... clone3 resumed> => {parent_tid=[11563]}, 88) = 11563 [pid 11559] <... sendto resumed>) = 32 [pid 11559] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11555}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11559] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11550] rt_sigprocmask(SIG_SETMASK, [], [pid 11559] <... futex resumed>) = 1 [pid 11559] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11555, nl_groups=00000000}, [116 => 12]) = 0 [pid 11550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11559] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11550] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11559] <... futex resumed>) = 1 [pid 11559] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x23\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11550] <... futex resumed>) = 0 [pid 11550] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11563 attached [pid 11563] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11563] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11563] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11563] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11562] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11550] <... futex resumed>) = 0 [pid 11550] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11550] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11562] <... write resumed>) = 131072 [pid 11562] munmap(0x7fb91de38000, 138412032) = 0 [pid 11562] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11562] ioctl(4, LOOP_SET_FD, 3 [pid 11563] <... futex resumed>) = 0 [pid 11563] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11562] <... ioctl resumed>) = 0 [pid 11558] <... ioctl resumed>) = 0 [pid 11558] close(3) = 0 [pid 11558] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11558] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11562] close(3) = 0 [pid 11556] <... futex resumed>) = 0 [pid 11562] close(4) = 0 [pid 11562] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 162.443330][T11558] loop4: detected capacity change from 0 to 256 [ 162.457639][T11558] exfat: Bad value for 'uid' [ 162.464686][T11559] loop3: detected capacity change from 0 to 256 [ 162.471924][T11559] exfat: Bad value for 'uid' [ 162.484277][T11562] loop0: detected capacity change from 0 to 256 [pid 11562] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11556] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] <... futex resumed>) = 0 [pid 11556] <... futex resumed>) = 1 [pid 11558] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11556] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11563] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] <... socket resumed>) = 3 [pid 11558] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] <... futex resumed>) = 1 [pid 11562] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11558] <... futex resumed>) = 1 [pid 11556] <... futex resumed>) = 0 [pid 11550] <... futex resumed>) = 0 [pid 11563] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11562] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11558] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11556] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11550] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11556] <... futex resumed>) = 0 [pid 11550] <... futex resumed>) = 0 [pid 11563] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11558] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11556] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11550] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11563] <... bpf resumed>) = 6 [pid 11558] <... socket resumed>) = 4 [pid 11563] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] <... futex resumed>) = 1 [pid 11558] <... futex resumed>) = 1 [pid 11556] <... futex resumed>) = 0 [pid 11550] <... futex resumed>) = 0 [pid 11563] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11558] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11556] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11550] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11556] <... futex resumed>) = 0 [pid 11550] <... futex resumed>) = 0 [pid 11563] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11562] <... openat resumed>) = 3 [pid 11558] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11556] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11550] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11563] <... bpf resumed>) = 7 [pid 11562] ioctl(3, LOOP_CLR_FD [pid 11563] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] <... sendto resumed>) = 32 [pid 11563] <... futex resumed>) = 1 [pid 11550] <... futex resumed>) = 0 [pid 11558] recvfrom(4, [pid 11550] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11558] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11556}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11550] <... futex resumed>) = 0 [pid 11558] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11556] <... futex resumed>) = 0 [pid 11558] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11556] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] <... bpf resumed>) = 8 [pid 11558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11556] <... futex resumed>) = 0 [pid 11550] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11563] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] getsockname(4, [pid 11556] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11563] <... futex resumed>) = 0 [pid 11558] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11556, nl_groups=00000000}, [116 => 12]) = 0 [pid 11553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11550] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11563] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11558] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11550] <... futex resumed>) = 0 [pid 11563] <... bpf resumed>) = 9 [pid 11558] <... futex resumed>) = 1 [pid 11556] <... futex resumed>) = 0 [pid 11563] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11558] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11556] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] <... futex resumed>) = 0 [pid 11550] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11563] <... futex resumed>) = 0 [pid 11558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11556] <... futex resumed>) = 0 [pid 11553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11563] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11558] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x24\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11556] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11553] <... mmap resumed>) = 0x7fb926217000 [pid 11553] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11553] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11566]}, 88) = 11566 [pid 11553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11553] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11553] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11566 attached [pid 11566] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11566] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11566] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] <... futex resumed>) = 0 [pid 11553] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11553] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11566] <... futex resumed>) = 1 [pid 11566] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11566] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] <... futex resumed>) = 0 [pid 11553] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11553] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11566] <... futex resumed>) = 1 [pid 11566] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11566] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] <... futex resumed>) = 0 [pid 11553] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11553] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11566] <... futex resumed>) = 1 [pid 11566] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11566] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] <... futex resumed>) = 0 [pid 11553] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11553] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11566] <... futex resumed>) = 1 [pid 11566] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11566] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] <... futex resumed>) = 0 [pid 11566] <... futex resumed>) = 1 [pid 11553] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11553] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11566] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11566] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11553] <... futex resumed>) = 0 [pid 11566] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11555] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11555] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11567 attached [pid 11567] set_robust_list(0x7fb9262379a0, 24 [pid 11555] <... clone3 resumed> => {parent_tid=[11567]}, 88) = 11567 [pid 11567] <... set_robust_list resumed>) = 0 [pid 11555] rt_sigprocmask(SIG_SETMASK, [], [pid 11567] rt_sigprocmask(SIG_SETMASK, [], [pid 11555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11555] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11555] <... futex resumed>) = 0 [ 162.493728][T11562] exfat: Bad value for 'uid' [pid 11567] <... bpf resumed>) = 5 [pid 11555] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11567] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11555] <... futex resumed>) = 0 [pid 11567] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11555] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11567] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11567] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11555] <... futex resumed>) = 0 [pid 11567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11555] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11567] <... bpf resumed>) = 6 [pid 11567] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11555] <... futex resumed>) = 0 [pid 11567] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11555] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11555] <... futex resumed>) = 0 [pid 11567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11555] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11567] <... bpf resumed>) = 7 [pid 11567] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11555] <... futex resumed>) = 0 [pid 11567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11555] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11567] <... bpf resumed>) = 8 [pid 11567] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11555] <... futex resumed>) = 0 [pid 11555] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11555] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11567] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11555] <... futex resumed>) = 0 [pid 11567] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11562] <... ioctl resumed>) = 0 [pid 11562] close(3) = 0 [pid 11562] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11560] <... futex resumed>) = 0 [pid 11562] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11560] <... futex resumed>) = 0 [pid 11562] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11560] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11562] <... socket resumed>) = 3 [pid 11562] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11560] <... futex resumed>) = 0 [pid 11562] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11560] <... futex resumed>) = 0 [pid 11562] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11560] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11562] <... socket resumed>) = 4 [pid 11562] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11560] <... futex resumed>) = 0 [pid 11562] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11560] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11562] <... sendto resumed>) = 32 [pid 11560] <... futex resumed>) = 0 [pid 11562] recvfrom(4, [pid 11560] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11562] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11560}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11562] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11560] <... futex resumed>) = 0 [pid 11562] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11560] <... futex resumed>) = 0 [pid 11562] getsockname(4, [pid 11560] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11562] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11560, nl_groups=00000000}, [116 => 12]) = 0 [pid 11562] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11560] <... futex resumed>) = 0 [pid 11562] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11560] <... futex resumed>) = 0 [pid 11562] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x28\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11560] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11556] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11556] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11556] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11554] <... sendmsg resumed>) = 64 [pid 11551] <... sendmsg resumed>) = 64 [pid 11556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11554] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11553] exit_group(0 [pid 11551] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11550] exit_group(0 [pid 11566] <... futex resumed>) = ? [pid 11563] <... futex resumed>) = ? [pid 11556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11554] <... futex resumed>) = ? [pid 11553] <... exit_group resumed>) = ? [pid 11550] <... exit_group resumed>) = ? [pid 11566] +++ exited with 0 +++ [pid 11563] +++ exited with 0 +++ [pid 11551] <... futex resumed>) = ? [pid 11551] +++ exited with 0 +++ [pid 11550] +++ exited with 0 +++ [pid 11556] <... clone3 resumed> => {parent_tid=[11569]}, 88) = 11569 [pid 11556] rt_sigprocmask(SIG_SETMASK, [], [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11556] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 11569 attached [pid 11556] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11569] set_robust_list(0x7fb9262379a0, 24 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11569] <... set_robust_list resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11569] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] close(3 [pid 11569] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11570 ./strace-static-x86_64: Process 11570 attached [pid 11570] set_robust_list(0x5555555916a0, 24) = 0 [pid 11570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11570] setpgid(0, 0) = 0 [pid 11569] <... bpf resumed>) = 5 [pid 11569] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11569] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11556] <... futex resumed>) = 0 [pid 11556] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11556] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11569] <... futex resumed>) = 0 [pid 11570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11569] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11569] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] <... openat resumed>) = 3 [pid 11556] <... futex resumed>) = 0 [pid 11570] write(3, "1000", 4 [pid 11556] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11570] <... write resumed>) = 4 [pid 11556] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11570] close(3 [pid 11569] <... futex resumed>) = 1 [pid 11569] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11570] <... close resumed>) = 0 [pid 11570] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11570] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11569] <... bpf resumed>) = 6 [pid 11570] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11569] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] <... mprotect resumed>) = 0 [pid 11569] <... futex resumed>) = 1 [pid 11556] <... futex resumed>) = 0 [pid 11556] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11569] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11556] <... futex resumed>) = 0 [pid 11570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11556] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11571 attached => {parent_tid=[11571]}, 88) = 11571 [pid 11571] set_robust_list(0x7fb9262589a0, 24 [pid 11570] rt_sigprocmask(SIG_SETMASK, [], [pid 11571] <... set_robust_list resumed>) = 0 [pid 11570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11571] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11570] <... futex resumed>) = 0 [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11571] memfd_create("syzkaller", 0) = 3 [pid 11571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11571] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11571] munmap(0x7fb91de38000, 138412032) = 0 [pid 11571] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11571] ioctl(4, LOOP_SET_FD, 3 [pid 11569] <... bpf resumed>) = 7 [pid 11569] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11556] <... futex resumed>) = 0 [pid 11569] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11556] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11556] <... futex resumed>) = 0 [pid 11571] <... ioctl resumed>) = 0 [pid 11569] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11556] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11571] close(3 [pid 11554] +++ exited with 0 +++ [pid 11553] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11553, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11571] <... close resumed>) = 0 [pid 11571] close(4) = 0 [pid 11571] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11571] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11569] <... bpf resumed>) = 8 [pid 11559] <... sendmsg resumed>) = 64 [pid 298] <... restart_syscall resumed>) = 0 [pid 11559] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11569] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11559] <... futex resumed>) = 0 [pid 11555] exit_group(0 [pid 11571] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11569] <... futex resumed>) = 1 [pid 11567] <... futex resumed>) = ? [pid 11556] <... futex resumed>) = 0 [pid 11555] <... exit_group resumed>) = ? [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11569] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11567] +++ exited with 0 +++ [pid 11556] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11556] <... futex resumed>) = 0 [pid 11569] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11556] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11569] <... bpf resumed>) = 9 [pid 11569] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... openat resumed>) = 3 [pid 11569] <... futex resumed>) = 1 [pid 11556] <... futex resumed>) = 0 [pid 11569] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11571] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11571] ioctl(3, LOOP_CLR_FD [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11572 ./strace-static-x86_64: Process 11572 attached [pid 11572] set_robust_list(0x5555555916a0, 24) = 0 [pid 11572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11572] setpgid(0, 0) = 0 [pid 11572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11572] write(3, "1000", 4) = 4 [pid 11572] close(3) = 0 [pid 11572] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11572] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11572] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11572] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11573 attached => {parent_tid=[11573]}, 88) = 11573 [pid 11573] set_robust_list(0x7fb9262589a0, 24 [pid 11572] rt_sigprocmask(SIG_SETMASK, [], [pid 11573] <... set_robust_list resumed>) = 0 [pid 11573] rt_sigprocmask(SIG_SETMASK, [], [pid 11572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11572] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11560] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11560] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11560] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11560] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11560] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11575]}, 88) = 11575 [pid 11560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11560] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11560] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11572] <... futex resumed>) = 0 [pid 11572] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11575 attached [pid 11573] memfd_create("syzkaller", 0 [pid 11575] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11575] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11573] <... memfd_create resumed>) = 3 [pid 11575] <... bpf resumed>) = 5 [pid 11575] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11560] <... futex resumed>) = 0 [pid 11560] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11560] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11575] <... futex resumed>) = 1 [pid 11575] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11575] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11560] <... futex resumed>) = 0 [pid 11560] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11560] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11575] <... futex resumed>) = 1 [pid 11575] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11573] <... mmap resumed>) = 0x7fb91de38000 [pid 11575] <... bpf resumed>) = 6 [pid 11575] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11560] <... futex resumed>) = 0 [pid 11575] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11560] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11560] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11573] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11573] munmap(0x7fb91de38000, 138412032) = 0 [pid 11573] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11573] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11573] close(3) = 0 [pid 11573] close(4) = 0 [pid 11573] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11573] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11575] <... bpf resumed>) = 7 [pid 11573] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11575] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11559] +++ exited with 0 +++ [pid 11555] +++ exited with 0 +++ [pid 11575] <... futex resumed>) = 1 [pid 11560] <... futex resumed>) = 0 [pid 11575] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11560] <... futex resumed>) = 0 [pid 11575] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11560] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11573] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11555, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11575] <... bpf resumed>) = 8 [pid 11573] <... openat resumed>) = 3 [pid 11575] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11560] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11575] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11560] <... futex resumed>) = 0 [pid 11575] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11560] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11575] <... bpf resumed>) = 9 [pid 11573] ioctl(3, LOOP_CLR_FD [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11575] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11575] <... futex resumed>) = 1 [pid 11560] <... futex resumed>) = 0 [pid 299] close(3 [pid 11575] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] <... close resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11576 attached , child_tidptr=0x555555591690) = 11576 [pid 11576] set_robust_list(0x5555555916a0, 24) = 0 [pid 11576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11576] setpgid(0, 0) = 0 [pid 11576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11576] write(3, "1000", 4) = 4 [pid 11576] close(3) = 0 [pid 11576] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11576] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11576] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11577 attached => {parent_tid=[11577]}, 88) = 11577 [pid 11577] set_robust_list(0x7fb9262589a0, 24 [pid 11576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11576] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11577] <... set_robust_list resumed>) = 0 [pid 11577] rt_sigprocmask(SIG_SETMASK, [], [pid 11576] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11577] memfd_create("syzkaller", 0 [pid 11571] <... ioctl resumed>) = 0 [pid 11558] <... sendmsg resumed>) = 64 [pid 11577] <... memfd_create resumed>) = 3 [pid 11571] close(3 [pid 11558] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11571] <... close resumed>) = 0 [pid 11558] <... futex resumed>) = 0 [pid 11556] exit_group(0 [pid 11577] <... mmap resumed>) = 0x7fb91de38000 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11569] <... futex resumed>) = ? [pid 11556] <... exit_group resumed>) = ? [pid 11577] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11571] <... futex resumed>) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11569] +++ exited with 0 +++ [pid 11558] +++ exited with 0 +++ [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11571] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... write resumed>) = 131072 [pid 11571] <... futex resumed>) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11577] munmap(0x7fb91de38000, 138412032 [pid 11571] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11577] <... munmap resumed>) = 0 [pid 11571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11571] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11577] <... openat resumed>) = 4 [pid 11571] <... socket resumed>) = 4 [pid 11570] <... futex resumed>) = 0 [pid 11577] ioctl(4, LOOP_SET_FD, 3 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11571] <... futex resumed>) = 0 [pid 11570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 162.585117][T11571] loop1: detected capacity change from 0 to 256 [ 162.593722][T11571] exfat: Bad value for 'uid' [ 162.619265][T11573] loop2: detected capacity change from 0 to 256 [ 162.627122][T11573] exfat: Bad value for 'uid' [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11571] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11571] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11570}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11571] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11570] <... futex resumed>) = 0 [pid 11571] getsockname(4, [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11571] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11570, nl_groups=00000000}, [116 => 12]) = 0 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11571] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... ioctl resumed>) = 0 [pid 11573] <... ioctl resumed>) = 0 [pid 11571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11577] close(3 [pid 11573] close(3 [pid 11577] <... close resumed>) = 0 [pid 11573] <... close resumed>) = 0 [pid 11577] close(4 [pid 11573] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... close resumed>) = 0 [pid 11573] <... futex resumed>) = 1 [pid 11572] <... futex resumed>) = 0 [pid 11577] mkdir("./file0", 0777 [pid 11573] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11572] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11572] <... futex resumed>) = 0 [pid 11577] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11573] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11572] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11573] <... socket resumed>) = 3 [pid 11571] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x32\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11570] <... futex resumed>) = 0 [pid 11573] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11573] <... futex resumed>) = 1 [pid 11572] <... futex resumed>) = 0 [pid 11577] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11577] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11573] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11572] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... openat resumed>) = 3 [pid 11573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11572] <... futex resumed>) = 0 [pid 11577] ioctl(3, LOOP_CLR_FD [pid 11573] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11572] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11573] <... socket resumed>) = 4 [pid 11573] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11572] <... futex resumed>) = 0 [pid 11573] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11572] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11572] <... futex resumed>) = 0 [pid 11573] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11572] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11573] <... sendto resumed>) = 32 [pid 11573] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11572}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11573] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11572] <... futex resumed>) = 0 [pid 11573] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11572] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11572] <... futex resumed>) = 0 [pid 11573] getsockname(4, [pid 11572] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11573] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11572, nl_groups=00000000}, [116 => 12]) = 0 [pid 11573] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11572] <... futex resumed>) = 0 [pid 11573] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x34\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11572] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11572] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11562] <... sendmsg resumed>) = 64 [pid 11562] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11562] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11560] exit_group(0 [pid 11575] <... futex resumed>) = ? [pid 11562] <... futex resumed>) = ? [pid 11560] <... exit_group resumed>) = ? [pid 11575] +++ exited with 0 +++ [pid 11562] +++ exited with 0 +++ [pid 11556] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11556, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 11560] +++ exited with 0 +++ [pid 300] <... restart_syscall resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11560, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 294] <... restart_syscall resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] <... openat resumed>) = 3 [pid 300] close(3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 300] <... close resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11581 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11580 ./strace-static-x86_64: Process 11580 attached [pid 11580] set_robust_list(0x5555555916a0, 24) = 0 [pid 11580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11580] setpgid(0, 0) = 0 [pid 11580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11580] write(3, "1000", 4) = 4 [pid 11580] close(3) = 0 [pid 11580] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11581 attached [pid 11581] set_robust_list(0x5555555916a0, 24 [pid 11580] <... futex resumed>) = 0 [pid 11580] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11581] <... set_robust_list resumed>) = 0 [pid 11580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11580] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11581] <... prctl resumed>) = 0 [pid 11581] setpgid(0, 0 [pid 11580] <... mprotect resumed>) = 0 [pid 11581] <... setpgid resumed>) = 0 [pid 11580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11581] write(3, "1000", 4) = 4 [pid 11580] <... clone3 resumed> => {parent_tid=[11582]}, 88) = 11582 [pid 11581] close(3 [pid 11580] rt_sigprocmask(SIG_SETMASK, [], [pid 11581] <... close resumed>) = 0 [pid 11580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11580] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11581] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11581] <... futex resumed>) = 0 [pid 11581] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11581] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11581] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11583]}, 88) = 11583 [pid 11581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11581] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11581] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11582 attached [pid 11582] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11582] memfd_create("syzkaller", 0) = 3 [pid 11582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11577] <... ioctl resumed>) = 0 [pid 11577] close(3) = 0 [pid 11577] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11576] <... futex resumed>) = 0 [pid 11577] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11576] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11576] <... futex resumed>) = 0 [pid 11577] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11576] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11577] <... socket resumed>) = 3 [pid 11577] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11576] <... futex resumed>) = 0 [pid 11577] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11576] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11576] <... futex resumed>) = 0 [pid 11577] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11576] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11577] <... socket resumed>) = 4 [pid 11577] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11576] <... futex resumed>) = 0 [pid 11577] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11576] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11576] <... futex resumed>) = 0 [pid 11577] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11576] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11577] <... sendto resumed>) = 32 [pid 11577] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11576}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11577] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11576] <... futex resumed>) = 0 [pid 11577] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11576] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11576] <... futex resumed>) = 0 [pid 11577] getsockname(4, [pid 11576] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11577] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11576, nl_groups=00000000}, [116 => 12]) = 0 [pid 11577] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11576] <... futex resumed>) = 0 [pid 11577] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11576] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11576] <... futex resumed>) = 0 [pid 11577] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x38\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11576] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11582] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11582] munmap(0x7fb91de38000, 138412032) = 0 [pid 11582] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 162.655605][T11577] loop3: detected capacity change from 0 to 256 [ 162.663925][T11577] exfat: Bad value for 'uid' [pid 11582] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11583 attached ) = 0 [pid 11570] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11583] set_robust_list(0x7fb9262589a0, 24 [pid 11570] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11583] <... set_robust_list resumed>) = 0 [pid 11570] <... futex resumed>) = 0 [pid 11583] rt_sigprocmask(SIG_SETMASK, [], [pid 11570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11570] <... mmap resumed>) = 0x7fb926217000 [pid 11583] memfd_create("syzkaller", 0 [pid 11570] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11583] <... memfd_create resumed>) = 3 [pid 11570] <... mprotect resumed>) = 0 [pid 11583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11583] <... mmap resumed>) = 0x7fb91de38000 [pid 11570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11582] close(3) = 0 [pid 11582] close(4) = 0 [pid 11582] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11582] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11583] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11572] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11583] <... write resumed>) = 131072 [pid 11572] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11583] munmap(0x7fb91de38000, 138412032 [pid 11572] <... futex resumed>) = 0 [pid 11570] <... clone3 resumed> => {parent_tid=[11585]}, 88) = 11585 [pid 11583] <... munmap resumed>) = 0 [pid 11572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11570] rt_sigprocmask(SIG_SETMASK, [], [pid 11583] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11572] <... mmap resumed>) = 0x7fb926217000 [pid 11570] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11585 attached [pid 11583] <... openat resumed>) = 4 [pid 11582] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11572] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11570] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11585] set_robust_list(0x7fb9262379a0, 24 [pid 11583] ioctl(4, LOOP_SET_FD, 3 [pid 11582] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11572] <... mprotect resumed>) = 0 [pid 11570] <... futex resumed>) = 0 [pid 11585] <... set_robust_list resumed>) = 0 [pid 11582] <... openat resumed>) = 3 [pid 11585] rt_sigprocmask(SIG_SETMASK, [], [pid 11582] ioctl(3, LOOP_CLR_FD [pid 11585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11585] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11585] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11572] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11586]}, 88) = 11586 [pid 11572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11572] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11572] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11586 attached [pid 11586] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11586] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11586] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11572] <... futex resumed>) = 0 [pid 11572] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11572] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11586] <... futex resumed>) = 1 [pid 11586] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11586] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11572] <... futex resumed>) = 0 [pid 11586] <... futex resumed>) = 1 [pid 11583] <... ioctl resumed>) = 0 [pid 11570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11570] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11570] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11585] <... futex resumed>) = 0 [pid 11583] close(3 [pid 11572] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11585] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11583] <... close resumed>) = 0 [pid 11585] <... bpf resumed>) = 0 [pid 11583] close(4 [pid 11572] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11585] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11586] <... bpf resumed>) = 6 [pid 11585] <... futex resumed>) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11586] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11585] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11583] <... close resumed>) = 0 [pid 11586] <... futex resumed>) = 1 [pid 11586] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11583] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11583] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11572] <... futex resumed>) = 0 [pid 11571] <... sendmsg resumed>) = 64 [pid 11570] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11572] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11570] <... futex resumed>) = 0 [pid 11585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11572] <... futex resumed>) = 1 [pid 11571] <... futex resumed>) = 0 [pid 11570] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11572] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11583] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11583] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11583] ioctl(3, LOOP_CLR_FD [pid 11585] <... bpf resumed>) = 6 [pid 11571] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11586] <... futex resumed>) = 0 [pid 11586] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11585] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11585] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] <... futex resumed>) = 0 [pid 11586] <... bpf resumed>) = 7 [pid 11570] <... futex resumed>) = 1 [pid 11586] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11586] <... futex resumed>) = 1 [pid 11572] <... futex resumed>) = 0 [pid 11571] <... bpf resumed>) = 7 [pid 11572] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11572] <... futex resumed>) = 0 [pid 11571] <... futex resumed>) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11572] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11571] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11570] <... futex resumed>) = 0 [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11571] <... bpf resumed>) = 8 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11571] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11570] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11570] <... futex resumed>) = 0 [pid 11571] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11570] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11571] <... bpf resumed>) = 9 [pid 11571] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11570] <... futex resumed>) = 0 [pid 11586] <... bpf resumed>) = 8 [pid 11571] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11570] exit_group(0 [pid 11585] <... futex resumed>) = ? [pid 11571] <... futex resumed>) = ? [pid 11570] <... exit_group resumed>) = ? [pid 11585] +++ exited with 0 +++ [pid 11586] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11586] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11572] <... futex resumed>) = 0 [pid 11582] <... ioctl resumed>) = 0 [pid 11572] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11582] close(3 [pid 11572] <... futex resumed>) = 1 [pid 11571] +++ exited with 0 +++ [pid 11570] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11570, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11572] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11582] <... close resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11587 [pid 11582] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11586] <... futex resumed>) = 0 [pid 11586] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16./strace-static-x86_64: Process 11587 attached [pid 11587] set_robust_list(0x5555555916a0, 24) = 0 [pid 11587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11587] setpgid(0, 0) = 0 [pid 11587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11587] write(3, "1000", 4) = 4 [pid 11587] close(3) = 0 [pid 11587] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11587] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11587] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11588]}, 88) = 11588 [pid 11582] <... futex resumed>) = 1 [pid 11580] <... futex resumed>) = 0 [pid 11576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11582] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11580] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] <... futex resumed>) = 0 [pid 11582] <... socket resumed>) = 3 [pid 11580] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11576] <... futex resumed>) = 0 [pid 11582] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11582] <... futex resumed>) = 1 [pid 11580] <... futex resumed>) = 0 [pid 11576] <... mmap resumed>) = 0x7fb926217000 [pid 11582] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11580] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11580] <... futex resumed>) = 0 [pid 11582] <... socket resumed>) = 4 [pid 11580] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11576] <... mprotect resumed>) = 0 [pid 11582] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11580] <... futex resumed>) = 0 [pid 11576] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11582] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11580] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11580] <... futex resumed>) = 0 [pid 11582] <... sendto resumed>) = 32 [pid 11580] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11582] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11580}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11576] <... clone3 resumed> => {parent_tid=[11589]}, 88) = 11589 [pid 11582] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] rt_sigprocmask(SIG_SETMASK, [], [pid 11582] <... futex resumed>) = 1 [pid 11580] <... futex resumed>) = 0 [pid 11576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11582] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11580] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11580] <... futex resumed>) = 0 [pid 11582] getsockname(4, [pid 11580] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11576] <... futex resumed>) = 0 [pid 11582] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11580, nl_groups=00000000}, [116 => 12]) = 0 [pid 11576] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11582] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11580] <... futex resumed>) = 0 [pid 11582] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11580] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11580] <... futex resumed>) = 0 [pid 11582] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3c\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11580] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11587] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11587] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11588 attached [pid 11588] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11588] memfd_create("syzkaller", 0./strace-static-x86_64: Process 11589 attached ) = 3 [pid 11588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11573] <... sendmsg resumed>) = 64 [pid 11588] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11573] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11573] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11588] <... write resumed>) = 131072 [pid 11588] munmap(0x7fb91de38000, 138412032 [pid 11586] <... bpf resumed>) = 9 [pid 11589] set_robust_list(0x7fb9262379a0, 24 [pid 11588] <... munmap resumed>) = 0 [pid 11586] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11572] <... futex resumed>) = 0 [ 162.713345][T11582] loop0: detected capacity change from 0 to 256 [ 162.728311][T11582] exfat: Bad value for 'uid' [ 162.735367][T11583] loop4: detected capacity change from 0 to 256 [ 162.745105][T11583] exfat: Bad value for 'uid' [pid 11586] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11572] exit_group(0 [pid 11586] <... futex resumed>) = ? [pid 11573] <... futex resumed>) = ? [pid 11572] <... exit_group resumed>) = ? [pid 11573] +++ exited with 0 +++ [pid 11583] <... ioctl resumed>) = 0 [pid 11583] close(3) = 0 [pid 11583] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11581] <... futex resumed>) = 0 [pid 11583] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11581] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11581] <... futex resumed>) = 0 [pid 11583] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11581] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11583] <... socket resumed>) = 3 [pid 11583] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11581] <... futex resumed>) = 0 [pid 11583] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11581] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11581] <... futex resumed>) = 0 [pid 11583] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11581] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11583] <... socket resumed>) = 4 [pid 11583] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11581] <... futex resumed>) = 0 [pid 11589] <... set_robust_list resumed>) = 0 [pid 11588] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11583] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11581] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11589] rt_sigprocmask(SIG_SETMASK, [], [pid 11583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11581] <... futex resumed>) = 0 [pid 11589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11588] <... openat resumed>) = 4 [pid 11583] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11581] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11589] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11588] ioctl(4, LOOP_SET_FD, 3 [pid 11583] <... sendto resumed>) = 32 [pid 11589] <... bpf resumed>) = 5 [pid 11583] recvfrom(4, [pid 11589] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11583] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11581}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11589] <... futex resumed>) = 1 [pid 11576] <... futex resumed>) = 0 [pid 11583] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11589] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11583] <... futex resumed>) = 1 [pid 11581] <... futex resumed>) = 0 [pid 11576] <... futex resumed>) = 0 [pid 11589] <... bpf resumed>) = 0 [pid 11583] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11581] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11589] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11581] <... futex resumed>) = 0 [pid 11576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11589] <... futex resumed>) = 0 [pid 11589] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11583] getsockname(4, [pid 11581] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11576] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11589] <... bpf resumed>) = 6 [pid 11583] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11581, nl_groups=00000000}, [116 => 12]) = 0 [pid 11576] <... futex resumed>) = 0 [pid 11589] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11583] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11589] <... futex resumed>) = 0 [pid 11583] <... futex resumed>) = 1 [pid 11581] <... futex resumed>) = 0 [pid 11576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11589] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11588] <... ioctl resumed>) = 0 [pid 11583] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11581] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11588] close(3 [pid 11583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11581] <... futex resumed>) = 0 [pid 11576] <... futex resumed>) = 0 [pid 11589] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11588] <... close resumed>) = 0 [pid 11583] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3d\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11581] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11576] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11588] close(4 [pid 11586] +++ exited with 0 +++ [pid 11572] +++ exited with 0 +++ [pid 11588] <... close resumed>) = 0 [pid 11588] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11588] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11572, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11588] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11588] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11589] <... bpf resumed>) = 7 [pid 11580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 298] close(3 [pid 11589] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 11589] <... futex resumed>) = 1 [pid 11580] <... futex resumed>) = 0 [pid 11576] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11589] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11576] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11580] <... mmap resumed>) = 0x7fb926217000 [pid 11576] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11592 [pid 11589] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11580] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11576] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11589] <... bpf resumed>) = 8 [pid 11580] <... mprotect resumed>) = 0 [pid 11589] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11589] <... futex resumed>) = 1 [pid 11580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11576] <... futex resumed>) = 0 [pid 11589] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11576] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11576] <... futex resumed>) = 0 [pid 11589] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11580] <... clone3 resumed> => {parent_tid=[11593]}, 88) = 11593 [pid 11576] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11589] <... bpf resumed>) = 9 [pid 11580] rt_sigprocmask(SIG_SETMASK, [], [pid 11589] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11589] <... futex resumed>) = 1 [pid 11580] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] <... futex resumed>) = 0 [pid 11589] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11580] <... futex resumed>) = 0 [pid 11580] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11593 attached [pid 11593] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11593] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11593] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] <... futex resumed>) = 0 [pid 11580] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11580] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11588] ioctl(3, LOOP_CLR_FD [pid 11593] <... futex resumed>) = 1 [pid 11593] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11593] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] <... futex resumed>) = 0 [pid 11580] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11580] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11593] <... futex resumed>) = 1 [pid 11593] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11593] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] <... futex resumed>) = 0 [pid 11580] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11580] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11577] <... sendmsg resumed>) = 64 [pid 11577] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11576] exit_group(0 [pid 11589] <... futex resumed>) = ? [pid 11577] <... futex resumed>) = ? [pid 11576] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 11592 attached [pid 11593] <... futex resumed>) = 1 [pid 11589] +++ exited with 0 +++ [pid 11577] +++ exited with 0 +++ [pid 11593] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11576] +++ exited with 0 +++ [pid 11592] set_robust_list(0x5555555916a0, 24 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11576, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11592] <... set_robust_list resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... openat resumed>) = 3 [pid 11592] <... prctl resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11594 [pid 11592] setpgid(0, 0) = 0 [pid 11592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11592] write(3, "1000", 4) = 4 [pid 11592] close(3) = 0 [pid 11592] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11592] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11592] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11595]}, 88) = 11595 [pid 11592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11592] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11592] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11595 attached [pid 11595] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11595] memfd_create("syzkaller", 0) = 3 [pid 11595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11595] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 11594 attached [pid 11593] <... bpf resumed>) = 7 [pid 11593] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] <... futex resumed>) = 0 [pid 11580] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11580] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11593] <... futex resumed>) = 1 [pid 11593] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11594] set_robust_list(0x5555555916a0, 24) = 0 [pid 11594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11595] <... write resumed>) = 131072 [pid 11594] <... prctl resumed>) = 0 [pid 11594] setpgid(0, 0 [pid 11595] munmap(0x7fb91de38000, 138412032 [pid 11594] <... setpgid resumed>) = 0 [pid 11594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11595] <... munmap resumed>) = 0 [pid 11593] <... bpf resumed>) = 8 [pid 11595] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11593] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] <... openat resumed>) = 3 [pid 11594] write(3, "1000", 4) = 4 [pid 11594] close(3) = 0 [pid 11594] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11594] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11593] <... futex resumed>) = 1 [pid 11580] <... futex resumed>) = 0 [pid 11580] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11580] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11595] <... openat resumed>) = 4 [pid 11594] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11593] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [ 162.780887][ T318] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 162.794293][T11588] loop1: detected capacity change from 0 to 256 [ 162.809399][T11588] exfat: Bad value for 'uid' [pid 11595] ioctl(4, LOOP_SET_FD, 3 [pid 11594] <... mprotect resumed>) = 0 [pid 11581] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11588] <... ioctl resumed>) = 0 [pid 11581] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11582] <... sendmsg resumed>) = 64 [pid 11581] <... futex resumed>) = 0 [pid 11582] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11582] <... futex resumed>) = 0 [pid 11581] <... mmap resumed>) = 0x7fb926217000 [pid 11582] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11581] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11581] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11596]}, 88) = 11596 [pid 11581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11581] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11581] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11593] <... bpf resumed>) = 9 [pid 11593] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11580] <... futex resumed>) = 0 [pid 11580] exit_group(0 [pid 11582] <... futex resumed>) = ? [pid 11580] <... exit_group resumed>) = ? [pid 11582] +++ exited with 0 +++ [pid 11593] <... futex resumed>) = ? [pid 11594] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11588] close(3 [pid 11594] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11588] <... close resumed>) = 0 [pid 11594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11588] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11587] <... futex resumed>) = 0 [pid 11594] <... clone3 resumed> => {parent_tid=[11597]}, 88) = 11597 [pid 11587] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11593] +++ exited with 0 +++ [pid 11580] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11580, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 11596 attached [pid 11596] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11596] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11594] rt_sigprocmask(SIG_SETMASK, [], [pid 11588] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11587] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 11587] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11588] <... socket resumed>) = 3 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11598 [pid 11596] <... bpf resumed>) = 5 [pid 11596] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] <... futex resumed>) = 0 [pid 11581] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11581] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11596] <... futex resumed>) = 1 [pid 11596] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11596] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] <... futex resumed>) = 0 [pid 11581] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11581] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11596] <... futex resumed>) = 1 [pid 11596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11594] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11588] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] <... futex resumed>) = 0 [pid 11588] <... futex resumed>) = 1 [pid 11587] <... futex resumed>) = 0 [pid 11594] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11588] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11587] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11587] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11588] <... socket resumed>) = 4 [pid 11588] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11596] <... bpf resumed>) = 6 [pid 11596] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] <... futex resumed>) = 0 [pid 11581] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 11598 attached ./strace-static-x86_64: Process 11597 attached [pid 11596] <... futex resumed>) = 1 [pid 11595] <... ioctl resumed>) = 0 [pid 11588] <... futex resumed>) = 1 [pid 11587] <... futex resumed>) = 0 [pid 11598] set_robust_list(0x5555555916a0, 24 [pid 11597] set_robust_list(0x7fb9262589a0, 24 [pid 11596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11581] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11588] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11587] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11598] <... set_robust_list resumed>) = 0 [pid 11597] <... set_robust_list resumed>) = 0 [pid 11595] close(3 [pid 11597] rt_sigprocmask(SIG_SETMASK, [], [pid 11595] <... close resumed>) = 0 [pid 11588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11587] <... futex resumed>) = 0 [pid 11598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11598] setpgid(0, 0) = 0 [pid 11598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11588] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11587] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11598] <... openat resumed>) = 3 [pid 11597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11595] close(4 [pid 11588] <... sendto resumed>) = 32 [pid 11588] recvfrom(4, [pid 11598] write(3, "1000", 4 [pid 11597] memfd_create("syzkaller", 0 [pid 11588] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11587}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11597] <... memfd_create resumed>) = 3 [pid 11598] <... write resumed>) = 4 [pid 11598] close(3) = 0 [pid 11598] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11598] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11598] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11599]}, 88) = 11599 [pid 11598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11598] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11598] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11599 attached [pid 11599] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11599] memfd_create("syzkaller", 0) = 3 [pid 11599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11595] <... close resumed>) = 0 [pid 11588] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11587] <... futex resumed>) = 0 [pid 11587] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11588] getsockname(4, [pid 11597] <... mmap resumed>) = 0x7fb91de38000 [pid 11587] <... futex resumed>) = 0 [pid 11596] <... bpf resumed>) = 7 [pid 11588] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11587, nl_groups=00000000}, [116 => 12]) = 0 [pid 11587] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11596] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11581] <... futex resumed>) = 0 [pid 11596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11581] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11596] <... bpf resumed>) = 8 [pid 11595] mkdir("./file0", 0777 [pid 11588] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] <... futex resumed>) = 0 [pid 11599] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11581] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11588] <... futex resumed>) = 1 [pid 11587] <... futex resumed>) = 0 [pid 11588] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11587] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11596] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] <... futex resumed>) = 0 [pid 11588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11587] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11596] <... futex resumed>) = 1 [pid 11581] <... futex resumed>) = 0 [pid 11596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11581] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11596] <... bpf resumed>) = 9 [pid 11588] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x43\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11581] <... futex resumed>) = 0 [pid 11581] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11596] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11581] <... futex resumed>) = 0 [pid 11596] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11595] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11595] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11599] <... write resumed>) = 131072 [pid 11597] <... write resumed>) = 131072 [pid 11597] munmap(0x7fb91de38000, 138412032) = 0 [pid 11595] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11599] munmap(0x7fb91de38000, 138412032 [pid 11597] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11595] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11597] <... openat resumed>) = 4 [pid 11595] <... openat resumed>) = 3 [pid 11597] ioctl(4, LOOP_SET_FD, 3 [pid 11599] <... munmap resumed>) = 0 [pid 11599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11599] ioctl(4, LOOP_SET_FD, 3 [pid 11597] <... ioctl resumed>) = 0 [pid 11595] ioctl(3, LOOP_CLR_FD [pid 11597] close(3) = 0 [pid 11597] close(4) = 0 [pid 11599] <... ioctl resumed>) = 0 [pid 11597] mkdir("./file0", 0777 [pid 11599] close(3) = 0 [pid 11599] close(4) = 0 [pid 11597] <... mkdir resumed>) = -1 EEXIST (File exists) [ 162.850916][T11595] loop2: detected capacity change from 0 to 256 [ 162.880586][T11595] exfat: Bad value for 'uid' [ 162.887781][T11597] loop3: detected capacity change from 0 to 256 [ 162.890847][T11599] loop0: detected capacity change from 0 to 256 [pid 11597] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11599] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11599] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11597] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11597] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11597] ioctl(3, LOOP_CLR_FD [pid 11599] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11599] ioctl(3, LOOP_CLR_FD [pid 11595] <... ioctl resumed>) = 0 [pid 11583] <... sendmsg resumed>) = 64 [pid 11583] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11583] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11595] close(3 [pid 11581] exit_group(0 [pid 11596] <... futex resumed>) = ? [pid 11595] <... close resumed>) = 0 [pid 11583] <... futex resumed>) = ? [pid 11581] <... exit_group resumed>) = ? [pid 11583] +++ exited with 0 +++ [pid 11596] +++ exited with 0 +++ [pid 11595] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11581] +++ exited with 0 +++ [pid 11599] <... ioctl resumed>) = 0 [pid 11595] <... futex resumed>) = 1 [pid 11592] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11581, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11595] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11592] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11592] <... futex resumed>) = 0 [pid 11595] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11592] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11595] <... socket resumed>) = 3 [pid 300] <... openat resumed>) = 3 [pid 11595] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11595] <... futex resumed>) = 1 [pid 11592] <... futex resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11595] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11592] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] close(3 [pid 11595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11592] <... futex resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 11595] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11592] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11595] <... socket resumed>) = 4 [pid 11595] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11601 [pid 11595] <... futex resumed>) = 1 [pid 11592] <... futex resumed>) = 0 [pid 11595] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11592] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11592] <... futex resumed>) = 0 [pid 11595] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11592] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11595] <... sendto resumed>) = 32 [pid 11595] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11592}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11597] <... ioctl resumed>) = 0 [pid 11595] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11592] <... futex resumed>) = 0 [pid 11587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11595] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11592] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11599] close(3 [pid 11597] close(3 [pid 11595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11592] <... futex resumed>) = 0 [pid 11587] <... futex resumed>) = 0 [pid 11599] <... close resumed>) = 0 [pid 11597] <... close resumed>) = 0 [pid 11595] getsockname(4, [pid 11592] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11599] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11595] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11592, nl_groups=00000000}, [116 => 12]) = 0 [pid 11587] <... mmap resumed>) = 0x7fb926217000 [pid 11599] <... futex resumed>) = 1 [pid 11598] <... futex resumed>) = 0 [pid 11597] <... futex resumed>) = 1 [pid 11595] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] <... futex resumed>) = 0 [pid 11587] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11599] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11598] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11595] <... futex resumed>) = 1 [pid 11594] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11592] <... futex resumed>) = 0 [pid 11587] <... mprotect resumed>) = 0 [pid 11599] <... socket resumed>) = 3 [pid 11598] <... futex resumed>) = 0 [pid 11597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11595] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11594] <... futex resumed>) = 0 [pid 11592] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11599] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11598] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11597] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11594] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11592] <... futex resumed>) = 0 [pid 11587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11599] <... futex resumed>) = 0 [pid 11598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11597] <... socket resumed>) = 3 [pid 11595] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x48\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11592] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11601 attached [pid 11599] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11598] <... futex resumed>) = 0 [pid 11597] <... futex resumed>) = 1 [pid 11594] <... futex resumed>) = 0 [pid 11587] <... clone3 resumed> => {parent_tid=[11602]}, 88) = 11602 [pid 11599] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11598] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11597] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11594] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] rt_sigprocmask(SIG_SETMASK, [], [pid 11599] <... socket resumed>) = 4 [pid 11597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11594] <... futex resumed>) = 0 [pid 11587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11599] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11594] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11587] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11599] <... futex resumed>) = 1 [pid 11598] <... futex resumed>) = 0 [pid 11597] <... socket resumed>) = 4 [pid 11587] <... futex resumed>) = 0 [pid 11599] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11598] <... futex resumed>) = 0 [pid 11597] <... futex resumed>) = 1 [pid 11594] <... futex resumed>) = 0 [pid 11599] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11598] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11597] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11594] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11602 attached [pid 11601] set_robust_list(0x5555555916a0, 24 [pid 11594] <... futex resumed>) = 0 [pid 11594] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11597] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11602] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11602] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11599] <... sendto resumed>) = 32 [pid 11597] <... sendto resumed>) = 32 [pid 11599] recvfrom(4, [pid 11597] recvfrom(4, [pid 11599] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11598}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11601] <... set_robust_list resumed>) = 0 [pid 11599] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11594}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11602] <... bpf resumed>) = 5 [pid 11601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11599] <... futex resumed>) = 1 [pid 11598] <... futex resumed>) = 0 [pid 11597] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] <... prctl resumed>) = 0 [pid 11599] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] <... futex resumed>) = 1 [pid 11594] <... futex resumed>) = 0 [pid 11602] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] setpgid(0, 0 [pid 11599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11598] <... futex resumed>) = 0 [pid 11597] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11594] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] <... setpgid resumed>) = 0 [pid 11599] getsockname(4, [pid 11598] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11594] <... futex resumed>) = 0 [pid 11601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11599] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11598, nl_groups=00000000}, [116 => 12]) = 0 [pid 11597] getsockname(4, [pid 11594] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11587] <... futex resumed>) = 0 [pid 11602] <... futex resumed>) = 1 [pid 11601] <... openat resumed>) = 3 [pid 11599] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11594, nl_groups=00000000}, [116 => 12]) = 0 [pid 11601] write(3, "1000", 4 [pid 11599] <... futex resumed>) = 1 [pid 11598] <... futex resumed>) = 0 [pid 11597] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] <... write resumed>) = 4 [pid 11599] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] <... futex resumed>) = 1 [pid 11594] <... futex resumed>) = 0 [pid 11587] <... futex resumed>) = 0 [pid 11602] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11601] close(3 [pid 11599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11598] <... futex resumed>) = 0 [pid 11597] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11594] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11602] <... bpf resumed>) = 0 [pid 11601] <... close resumed>) = 0 [pid 11599] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4e\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11598] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11594] <... futex resumed>) = 0 [pid 11602] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11597] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4a\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11594] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11602] <... futex resumed>) = 0 [pid 11601] <... futex resumed>) = 0 [pid 11587] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11601] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11587] <... futex resumed>) = 0 [pid 11587] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11602] <... bpf resumed>) = 6 [pid 11602] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11587] <... futex resumed>) = 0 [pid 11602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11587] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11602] <... bpf resumed>) = 7 [pid 11587] <... futex resumed>) = 0 [pid 11602] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11602] <... futex resumed>) = 0 [pid 11587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11587] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11602] <... bpf resumed>) = 8 [pid 11587] <... futex resumed>) = 0 [pid 11602] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11587] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11602] <... futex resumed>) = 0 [pid 11601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11587] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11602] <... bpf resumed>) = 9 [pid 11587] <... futex resumed>) = 0 [pid 11602] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11602] <... futex resumed>) = 0 [pid 11601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11602] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11601] <... mmap resumed>) = 0x7fb926238000 [pid 11601] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11606 attached [pid 11606] set_robust_list(0x7fb9262589a0, 24 [pid 11601] <... clone3 resumed> => {parent_tid=[11606]}, 88) = 11606 [pid 11606] <... set_robust_list resumed>) = 0 [pid 11601] rt_sigprocmask(SIG_SETMASK, [], [pid 11606] rt_sigprocmask(SIG_SETMASK, [], [pid 11601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11601] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11606] memfd_create("syzkaller", 0 [pid 11601] <... futex resumed>) = 0 [pid 11606] <... memfd_create resumed>) = 3 [pid 11601] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11606] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [ 162.903985][T11597] exfat: Bad value for 'uid' [ 162.906568][T11599] exfat: Bad value for 'uid' [pid 11606] munmap(0x7fb91de38000, 138412032) = 0 [pid 11606] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11606] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11606] close(3) = 0 [pid 11606] close(4) = 0 [pid 11606] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11606] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11606] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11606] ioctl(3, LOOP_CLR_FD [pid 11592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11592] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11592] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11607 attached [pid 11607] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11607] rt_sigprocmask(SIG_SETMASK, [], [pid 11592] <... clone3 resumed> => {parent_tid=[11607]}, 88) = 11607 [pid 11607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11607] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11592] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11592] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11607] <... futex resumed>) = 0 [pid 11607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11607] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11592] <... futex resumed>) = 0 [pid 11592] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11592] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11607] <... futex resumed>) = 1 [pid 11607] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11607] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11592] <... futex resumed>) = 0 [pid 11592] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11592] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11607] <... futex resumed>) = 1 [pid 11607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11607] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11592] <... futex resumed>) = 0 [pid 11592] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11592] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11607] <... futex resumed>) = 1 [pid 11607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11607] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11592] <... futex resumed>) = 0 [pid 11592] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11592] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11607] <... futex resumed>) = 1 [pid 11607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11607] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11592] <... futex resumed>) = 0 [pid 11607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11592] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11592] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11588] <... sendmsg resumed>) = 64 [pid 11607] <... bpf resumed>) = 9 [pid 11598] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11588] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11587] exit_group(0 [pid 11594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11607] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11602] <... futex resumed>) = ? [pid 11598] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11588] <... futex resumed>) = ? [pid 11587] <... exit_group resumed>) = ? [pid 11607] <... futex resumed>) = 1 [pid 11602] +++ exited with 0 +++ [pid 11598] <... futex resumed>) = 0 [pid 11594] <... futex resumed>) = 0 [pid 11592] <... futex resumed>) = 0 [pid 11588] +++ exited with 0 +++ [pid 11607] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11598] <... mmap resumed>) = 0x7fb926217000 [pid 11594] <... mmap resumed>) = 0x7fb926217000 [pid 11598] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11594] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11598] <... mprotect resumed>) = 0 [pid 11594] <... mprotect resumed>) = 0 [pid 11598] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11594] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11598] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11594] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11609 attached ./strace-static-x86_64: Process 11608 attached [pid 11609] set_robust_list(0x7fb9262379a0, 24 [pid 11608] set_robust_list(0x7fb9262379a0, 24 [pid 11598] <... clone3 resumed> => {parent_tid=[11608]}, 88) = 11608 [pid 11594] <... clone3 resumed> => {parent_tid=[11609]}, 88) = 11609 [pid 11609] <... set_robust_list resumed>) = 0 [pid 11608] <... set_robust_list resumed>) = 0 [pid 11598] rt_sigprocmask(SIG_SETMASK, [], [pid 11594] rt_sigprocmask(SIG_SETMASK, [], [pid 11609] rt_sigprocmask(SIG_SETMASK, [], [pid 11608] rt_sigprocmask(SIG_SETMASK, [], [pid 11598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11598] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11598] <... futex resumed>) = 0 [pid 11594] <... futex resumed>) = 0 [pid 11598] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11594] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11609] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11609] <... bpf resumed>) = 5 [pid 11609] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11608] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11609] <... futex resumed>) = 1 [pid 11608] <... bpf resumed>) = 5 [pid 11594] <... futex resumed>) = 0 [pid 11609] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11608] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11609] <... bpf resumed>) = 0 [pid 11608] <... futex resumed>) = 1 [pid 11598] <... futex resumed>) = 0 [pid 11594] <... futex resumed>) = 0 [pid 11609] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11598] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11609] <... futex resumed>) = 0 [pid 11608] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11598] <... futex resumed>) = 0 [pid 11594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11598] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11594] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11609] <... bpf resumed>) = 6 [pid 11608] <... bpf resumed>) = 0 [pid 11594] <... futex resumed>) = 0 [pid 11609] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11608] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11609] <... futex resumed>) = 0 [pid 11608] <... futex resumed>) = 1 [pid 11598] <... futex resumed>) = 0 [pid 11594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11606] <... ioctl resumed>) = 0 [pid 11598] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11608] <... bpf resumed>) = 6 [pid 11606] close(3 [pid 11598] <... futex resumed>) = 0 [pid 11594] <... futex resumed>) = 0 [pid 11608] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11606] <... close resumed>) = 0 [pid 11598] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11608] <... futex resumed>) = 0 [pid 11606] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11594] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11608] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11606] <... futex resumed>) = 1 [pid 11598] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11606] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] <... futex resumed>) = 0 [pid 11608] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11598] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11601] <... futex resumed>) = 0 [pid 11601] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11606] <... futex resumed>) = 0 [pid 11601] <... futex resumed>) = 1 [pid 11606] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11601] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11606] <... socket resumed>) = 3 [pid 11606] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11601] <... futex resumed>) = 0 [pid 11606] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11601] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11606] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11601] <... futex resumed>) = 0 [pid 11606] <... socket resumed>) = 4 [pid 11601] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11606] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11606] <... futex resumed>) = 0 [pid 11601] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11606] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11601] <... futex resumed>) = 0 [pid 11606] <... sendto resumed>) = 32 [pid 11601] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11606] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11601}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11606] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11601] <... futex resumed>) = 0 [pid 11606] getsockname(4, [pid 11601] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11606] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11601, nl_groups=00000000}, [116 => 12]) = 0 [pid 11601] <... futex resumed>) = 0 [pid 11606] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11606] <... futex resumed>) = 0 [pid 11601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11606] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x51\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11601] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 162.965034][T11606] loop4: detected capacity change from 0 to 256 [ 162.973735][T11606] exfat: Bad value for 'uid' [pid 11601] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11587] +++ exited with 0 +++ [pid 11609] <... bpf resumed>) = 7 [pid 11608] <... bpf resumed>) = 7 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11587, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11609] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11608] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11609] <... futex resumed>) = 1 [pid 11608] <... futex resumed>) = 1 [pid 11598] <... futex resumed>) = 0 [pid 11594] <... futex resumed>) = 0 [pid 11609] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11608] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11598] <... futex resumed>) = 0 [pid 11609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11598] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11594] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 11609] <... bpf resumed>) = 8 [pid 11608] <... bpf resumed>) = 8 [pid 11594] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... close resumed>) = 0 [pid 11609] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11608] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11609] <... futex resumed>) = 0 [pid 11608] <... futex resumed>) = 1 [pid 11598] <... futex resumed>) = 0 [pid 11594] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11608] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11594] <... futex resumed>) = 0 [pid 11609] <... bpf resumed>) = 9 [pid 11608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11598] <... futex resumed>) = 0 [pid 11594] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11609] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11608] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11598] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11609] <... futex resumed>) = 0 [pid 11608] <... bpf resumed>) = 9 [pid 11599] <... sendmsg resumed>) = 64 [pid 11595] <... sendmsg resumed>) = 64 [pid 11609] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11608] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11599] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11595] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11608] <... futex resumed>) = 1 [pid 11599] <... futex resumed>) = 0 [pid 11598] <... futex resumed>) = 0 [pid 11595] <... futex resumed>) = 0 [pid 11608] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11599] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11598] exit_group(0 [pid 11595] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11608] <... futex resumed>) = ? [pid 11599] <... futex resumed>) = ? [pid 11598] <... exit_group resumed>) = ? [pid 11608] +++ exited with 0 +++ [pid 11599] +++ exited with 0 +++ [pid 11598] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11611 ./strace-static-x86_64: Process 11611 attached [pid 11611] set_robust_list(0x5555555916a0, 24) = 0 [pid 11611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11611] setpgid(0, 0) = 0 [pid 11611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11611] write(3, "1000", 4) = 4 [pid 11611] close(3) = 0 [pid 11611] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11601] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11601] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11592] exit_group(0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11612 [pid 11607] <... futex resumed>) = ? [pid 11601] <... futex resumed>) = 0 [pid 11595] <... futex resumed>) = ? [pid 11592] <... exit_group resumed>) = ? [pid 11607] +++ exited with 0 +++ [pid 11601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11595] +++ exited with 0 +++ [pid 11601] <... mmap resumed>) = 0x7fb926217000 [pid 11601] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11601] <... clone3 resumed> => {parent_tid=[11613]}, 88) = 11613 [pid 11611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11601] rt_sigprocmask(SIG_SETMASK, [], [pid 11611] <... mmap resumed>) = 0x7fb926238000 [pid 11601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11611] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11601] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... mprotect resumed>) = 0 [pid 11601] <... futex resumed>) = 0 [pid 11611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11601] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11614]}, 88) = 11614 [pid 11611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11611] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11613 attached [pid 11613] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11613] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11613] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11601] <... futex resumed>) = 0 [pid 11613] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [ 163.047074][ C0] softirq: huh, entered softirq 9 RCU ffffffff8160c1b0 with preempt_count 00000103, exited with 00000102? [ 163.058241][ T15] BUG: scheduling while atomic: rcub/0/15/0x00000002 [ 163.064705][ T15] Modules linked in: [ 163.068578][ T15] Preemption disabled at: [ 163.068588][ T15] [] rt_mutex_slowlock_block+0xf7/0x5a0 [ 163.079799][ T15] CPU: 0 PID: 15 Comm: rcub/0 Not tainted 6.1.68-syzkaller-00023-g92432f07d663 #0 [pid 11601] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11613] <... bpf resumed>) = 0 [pid 11601] <... futex resumed>) = 0 [pid 11613] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11614 attached [pid 11613] <... futex resumed>) = 0 [pid 11601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11614] set_robust_list(0x7fb9262589a0, 24 [pid 11613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11601] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11614] <... set_robust_list resumed>) = 0 [pid 11613] <... bpf resumed>) = 6 [pid 11601] <... futex resumed>) = 0 [pid 11614] rt_sigprocmask(SIG_SETMASK, [], [pid 11613] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11613] <... futex resumed>) = 0 [pid 11601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11614] memfd_create("syzkaller", 0 [pid 11613] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11601] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11614] <... memfd_create resumed>) = 3 [pid 11601] <... futex resumed>) = 0 [pid 11614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11601] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11614] <... mmap resumed>) = 0x7fb91de38000 [pid 11614] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11614] munmap(0x7fb91de38000, 138412032) = 0 [pid 11614] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11614] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11614] close(3) = 0 [pid 11614] close(4) = 0 [pid 11614] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11614] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11614] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11614] ioctl(3, LOOP_CLR_FD) = 0 [pid 11614] close(3) = 0 [pid 11614] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... futex resumed>) = 0 [pid 11611] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11614] <... futex resumed>) = 1 [pid 11614] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11614] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... futex resumed>) = 0 [pid 11611] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11614] <... futex resumed>) = 1 [pid 11614] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11614] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... futex resumed>) = 0 [pid 11611] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 163.088730][ T15] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 163.098626][ T15] Call Trace: [ 163.101747][ T15] [ 163.104528][ T15] dump_stack_lvl+0x151/0x1b7 [ 163.108439][T11614] loop0: detected capacity change from 0 to 256 [ 163.109033][ T15] ? rt_mutex_slowlock_block+0xf7/0x5a0 [ 163.109062][ T15] ? rt_mutex_slowlock_block+0xf7/0x5a0 [ 163.109082][ T15] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 163.109106][ T15] ? rt_mutex_slowlock_block+0xf7/0x5a0 [ 163.123185][T11614] exfat: Bad value for 'uid' [ 163.125872][ T15] dump_stack+0x15/0x1b [pid 11611] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11614] <... futex resumed>) = 1 [pid 11614] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11614] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11611}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11614] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... futex resumed>) = 0 [pid 11611] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11614] <... futex resumed>) = 1 [pid 11614] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11611, nl_groups=00000000}, [116 => 12]) = 0 [pid 11614] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... futex resumed>) = 0 [pid 11611] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11614] <... futex resumed>) = 1 [pid 11614] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5b\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 11612 attached [pid 11612] set_robust_list(0x5555555916a0, 24) = 0 [pid 11612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11612] setpgid(0, 0) = 0 [pid 11612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11612] write(3, "1000", 4) = 4 [pid 11612] close(3) = 0 [pid 11612] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11612] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11612] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11616]}, 88) = 11616 [pid 11612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11612] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11612] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11616 attached [pid 11616] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11616] memfd_create("syzkaller", 0) = 3 [pid 11616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11616] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11616] munmap(0x7fb91de38000, 138412032) = 0 [pid 11616] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11616] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11616] close(3) = 0 [ 163.125899][ T15] __schedule_bug+0x195/0x260 [ 163.149484][ T15] ? cpu_util_update_eff+0x10e0/0x10e0 [ 163.154779][ T15] ? rt_mutex_adjust_prio_chain+0x1810/0x1810 [ 163.160677][ T15] ? finish_task_switch+0x167/0x7b0 [ 163.165715][ T15] __schedule+0xce9/0x1540 [ 163.169976][ T15] ? __rcu_read_unlock+0x7e/0xd0 [ 163.174744][ T15] ? bpf_trace_run1+0x10b/0x240 [ 163.179425][ T15] ? rt_mutex_unlock+0xb7/0x1c0 [ 163.184110][ T15] ? __sched_text_start+0x8/0x8 [ 163.186472][T11616] loop1: detected capacity change from 0 to 256 [pid 11616] close(4) = 0 [pid 11616] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11616] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11611] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11611] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11611] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11617]}, 88) = 11617 [pid 11611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11611] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11616] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11616] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11617 attached [pid 11617] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11617] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11617] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... futex resumed>) = 0 [pid 11611] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11617] <... futex resumed>) = 1 [pid 11617] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11617] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... futex resumed>) = 0 [pid 11611] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11617] <... futex resumed>) = 1 [pid 11617] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11617] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11611] <... futex resumed>) = 0 [pid 11611] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11611] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11617] <... futex resumed>) = 1 [pid 11617] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11616] <... ioctl resumed>) = 0 [pid 11616] close(3) = 0 [pid 11616] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11612] <... futex resumed>) = 0 [pid 11616] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11612] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11612] <... futex resumed>) = 0 [pid 11616] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11612] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] <... socket resumed>) = 3 [pid 11616] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11612] <... futex resumed>) = 0 [pid 11616] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11612] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11612] <... futex resumed>) = 0 [pid 11616] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11612] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] <... socket resumed>) = 4 [pid 11616] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11612] <... futex resumed>) = 0 [pid 11616] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11612] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11612] <... futex resumed>) = 0 [pid 11616] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11612] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] <... sendto resumed>) = 32 [pid 11616] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11612}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11616] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11612] <... futex resumed>) = 0 [pid 11616] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11612] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11612] <... futex resumed>) = 0 [pid 11616] getsockname(4, [pid 11612] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11612, nl_groups=00000000}, [116 => 12]) = 0 [pid 11616] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11612] <... futex resumed>) = 0 [pid 11616] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11612] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11612] <... futex resumed>) = 0 [pid 11616] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5c\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11612] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11594] exit_group(0 [pid 11609] <... futex resumed>) = ? [pid 11594] <... exit_group resumed>) = ? [pid 11609] +++ exited with 0 +++ [pid 11613] <... bpf resumed>) = 7 [pid 11592] +++ exited with 0 +++ [pid 11617] <... bpf resumed>) = 7 [pid 11613] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11617] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11613] <... futex resumed>) = 1 [pid 11601] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11592, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11617] <... futex resumed>) = 1 [pid 11613] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11611] <... futex resumed>) = 0 [pid 11601] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11617] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11611] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] <... futex resumed>) = 0 [pid 11617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11611] <... futex resumed>) = 0 [pid 11601] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11617] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11611] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11613] <... bpf resumed>) = 8 [pid 11617] <... bpf resumed>) = 8 [pid 11613] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11617] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11613] <... futex resumed>) = 1 [pid 11601] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11617] <... futex resumed>) = 1 [pid 11613] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11611] <... futex resumed>) = 0 [pid 11601] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11617] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11611] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11601] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 11617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11613] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11611] <... futex resumed>) = 0 [pid 11601] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 298] ioctl(3, LOOP_CLR_FD [pid 11617] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11613] <... bpf resumed>) = 9 [pid 11611] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11617] <... bpf resumed>) = 9 [pid 11613] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11617] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11613] <... futex resumed>) = 1 [pid 11601] <... futex resumed>) = 0 [pid 298] close(3 [pid 11617] <... futex resumed>) = 1 [pid 11613] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11611] <... futex resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 11617] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11619 attached , child_tidptr=0x555555591690) = 11619 [pid 11619] set_robust_list(0x5555555916a0, 24) = 0 [pid 11619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11619] setpgid(0, 0) = 0 [pid 11619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11619] write(3, "1000", 4) = 4 [pid 11619] close(3) = 0 [pid 11619] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11619] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [ 163.188795][ T15] ? rt_mutex_trylock+0x230/0x230 [ 163.188818][ T15] ? perf_trace_rcu_stall_warning+0x370/0x370 [ 163.204012][T11616] exfat: Bad value for 'uid' [ 163.205634][ T15] schedule+0xc3/0x180 [ 163.205665][ T15] rcu_boost_kthread+0x11f/0x6e0 [ 163.218749][ T15] kthread+0x26d/0x300 [ 163.222646][ T15] ? rcu_preempt_deferred_qs_handler+0x40/0x40 [ 163.228635][ T15] ? kthread_blkcg+0xd0/0xd0 [ 163.233064][ T15] ret_from_fork+0x1f/0x30 [ 163.237316][ T15] [pid 11619] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11619] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11620 attached => {parent_tid=[11620]}, 88) = 11620 [pid 11620] set_robust_list(0x7fb9262589a0, 24 [pid 11619] rt_sigprocmask(SIG_SETMASK, [], [pid 11620] <... set_robust_list resumed>) = 0 [pid 11619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11620] memfd_create("syzkaller", 0) = 3 [pid 11620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11620] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11620] munmap(0x7fb91de38000, 138412032) = 0 [pid 11620] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11620] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11620] close(3) = 0 [pid 11620] close(4) = 0 [pid 11620] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11620] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11597] <... sendmsg resumed>) = ? [pid 11620] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11620] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11620] ioctl(3, LOOP_CLR_FD [pid 11597] +++ exited with 0 +++ [pid 11594] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11594, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11621 attached , child_tidptr=0x555555591690) = 11621 [pid 11621] set_robust_list(0x5555555916a0, 24) = 0 [pid 11621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11621] setpgid(0, 0) = 0 [pid 11621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11621] write(3, "1000", 4) = 4 [pid 11612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11612] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11612] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11612] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11612] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11622 attached [pid 11622] set_robust_list(0x7fb9262379a0, 24 [pid 11612] <... clone3 resumed> => {parent_tid=[11622]}, 88) = 11622 [pid 11622] <... set_robust_list resumed>) = 0 [pid 11612] rt_sigprocmask(SIG_SETMASK, [], [pid 11622] rt_sigprocmask(SIG_SETMASK, [], [pid 11621] close(3 [pid 11612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11621] <... close resumed>) = 0 [pid 11612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11621] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11612] <... futex resumed>) = 0 [pid 11622] <... bpf resumed>) = 5 [pid 11621] <... futex resumed>) = 0 [pid 11612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11622] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11622] <... futex resumed>) = 1 [pid 11621] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11612] <... futex resumed>) = 0 [pid 11622] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11622] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11612] <... futex resumed>) = 0 [pid 11622] <... bpf resumed>) = 0 [pid 11621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11622] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] <... mmap resumed>) = 0x7fb926238000 [pid 11622] <... futex resumed>) = 1 [pid 11621] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11612] <... futex resumed>) = 0 [pid 11622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] <... mprotect resumed>) = 0 [pid 11612] <... futex resumed>) = 0 [pid 11621] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11621] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11622] <... bpf resumed>) = 6 [pid 11621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11623 attached [pid 11622] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] set_robust_list(0x7fb9262589a0, 24 [pid 11622] <... futex resumed>) = 1 [pid 11621] <... clone3 resumed> => {parent_tid=[11623]}, 88) = 11623 [pid 11612] <... futex resumed>) = 0 [pid 11623] <... set_robust_list resumed>) = 0 [pid 11622] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] rt_sigprocmask(SIG_SETMASK, [], [pid 11612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] rt_sigprocmask(SIG_SETMASK, [], [pid 11622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11612] <... futex resumed>) = 0 [pid 11623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11621] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11623] memfd_create("syzkaller", 0 [pid 11622] <... bpf resumed>) = 7 [pid 11621] <... futex resumed>) = 0 [pid 11623] <... memfd_create resumed>) = 3 [pid 11622] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11622] <... futex resumed>) = 1 [pid 11612] <... futex resumed>) = 0 [pid 11623] <... mmap resumed>) = 0x7fb91de38000 [pid 11622] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11612] <... futex resumed>) = 0 [pid 11622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11622] <... bpf resumed>) = 8 [pid 11622] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11612] <... futex resumed>) = 0 [pid 11622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11612] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11622] <... bpf resumed>) = 9 [pid 11612] <... futex resumed>) = 0 [pid 11622] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11612] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11623] <... write resumed>) = 131072 [pid 11622] <... futex resumed>) = 0 [pid 11612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11623] munmap(0x7fb91de38000, 138412032 [pid 11622] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11623] <... munmap resumed>) = 0 [pid 11623] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 163.285816][T11620] loop2: detected capacity change from 0 to 256 [ 163.294043][T11620] exfat: Bad value for 'uid' [pid 11623] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11623] close(3) = 0 [pid 11623] close(4) = 0 [pid 11606] <... sendmsg resumed>) = 64 [pid 11623] mkdir("./file0", 0777 [pid 11606] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11606] <... futex resumed>) = 0 [pid 11623] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11606] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11601] exit_group(0 [pid 11613] <... futex resumed>) = ? [pid 11601] <... exit_group resumed>) = ? [pid 11623] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11613] +++ exited with 0 +++ [pid 11606] <... futex resumed>) = ? [pid 11623] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11606] +++ exited with 0 +++ [pid 11601] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11601, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 11623] <... openat resumed>) = 3 [pid 300] <... restart_syscall resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3 [pid 11623] ioctl(3, LOOP_CLR_FD [pid 300] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11624 attached , child_tidptr=0x555555591690) = 11624 [pid 11624] set_robust_list(0x5555555916a0, 24) = 0 [pid 11624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11624] setpgid(0, 0) = 0 [pid 11624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11624] write(3, "1000", 4) = 4 [pid 11624] close(3) = 0 [pid 11624] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11624] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11624] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11625]}, 88) = 11625 [pid 11624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11624] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11624] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11625 attached [pid 11625] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11625] memfd_create("syzkaller", 0) = 3 [pid 11625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11625] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11625] munmap(0x7fb91de38000, 138412032) = 0 [pid 11620] <... ioctl resumed>) = 0 [pid 11625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11620] close(3 [pid 11625] <... openat resumed>) = 4 [pid 11620] <... close resumed>) = 0 [pid 11625] ioctl(4, LOOP_SET_FD, 3 [pid 11620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11619] <... futex resumed>) = 0 [pid 11620] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11620] <... socket resumed>) = 3 [pid 11620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11619] <... futex resumed>) = 0 [pid 11620] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11620] <... socket resumed>) = 4 [pid 11620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11619] <... futex resumed>) = 0 [pid 11620] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11620] <... sendto resumed>) = 32 [pid 11620] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11619}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11625] <... ioctl resumed>) = 0 [pid 11620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11625] close(3 [pid 11620] <... futex resumed>) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11619] <... futex resumed>) = 0 [pid 11620] getsockname(4, [pid 11619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11620] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11619, nl_groups=00000000}, [116 => 12]) = 0 [pid 11620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11625] <... close resumed>) = 0 [pid 11620] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11619] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11625] close(4 [pid 11620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11619] <... futex resumed>) = 0 [pid 11620] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x63\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11625] <... close resumed>) = 0 [pid 11625] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11625] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11625] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11625] ioctl(3, LOOP_CLR_FD) = 0 [pid 11625] close(3 [pid 11614] <... sendmsg resumed>) = 64 [pid 11614] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11614] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11625] <... close resumed>) = 0 [pid 11611] exit_group(0 [pid 11617] <... futex resumed>) = ? [pid 11614] <... futex resumed>) = ? [pid 11611] <... exit_group resumed>) = ? [pid 11617] +++ exited with 0 +++ [pid 11614] +++ exited with 0 +++ [pid 11625] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11624] <... futex resumed>) = 0 [pid 11624] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11624] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11625] <... futex resumed>) = 1 [pid 11625] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11625] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11624] <... futex resumed>) = 0 [pid 11624] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11624] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11625] <... futex resumed>) = 1 [pid 11625] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11625] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11624] <... futex resumed>) = 0 [pid 11624] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11624] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11625] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11625] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11624}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11625] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11625] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11624] <... futex resumed>) = 0 [pid 11625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11624] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11625] getsockname(4, [pid 11624] <... futex resumed>) = 0 [pid 11624] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11625] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11624, nl_groups=00000000}, [116 => 12]) = 0 [pid 11625] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11624] <... futex resumed>) = 0 [pid 11625] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x68\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11624] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11624] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11623] <... ioctl resumed>) = 0 [pid 11623] close(3) = 0 [pid 11623] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11621] <... futex resumed>) = 0 [pid 11623] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... futex resumed>) = 0 [pid 11623] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11621] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11623] <... socket resumed>) = 3 [pid 11623] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11621] <... futex resumed>) = 0 [pid 11623] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... futex resumed>) = 0 [pid 11623] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11621] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11623] <... socket resumed>) = 4 [pid 11623] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11621] <... futex resumed>) = 0 [pid 11623] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... futex resumed>) = 0 [pid 11623] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11621] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11623] <... sendto resumed>) = 32 [pid 11623] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11621}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11623] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11621] <... futex resumed>) = 0 [pid 11623] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... futex resumed>) = 0 [pid 11623] getsockname(4, [pid 11621] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11623] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11621, nl_groups=00000000}, [116 => 12]) = 0 [pid 11623] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11621] <... futex resumed>) = 0 [pid 11623] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... futex resumed>) = 0 [pid 11623] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x65\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 163.328066][T11623] loop3: detected capacity change from 0 to 256 [ 163.338433][T11623] exfat: Bad value for 'uid' [ 163.357875][T11625] loop4: detected capacity change from 0 to 256 [ 163.369073][T11625] exfat: Bad value for 'uid' [pid 11621] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11616] <... sendmsg resumed>) = 64 [pid 11611] +++ exited with 0 +++ [pid 11616] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11611, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11616] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11619] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 294] <... openat resumed>) = 3 [pid 11619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 294] ioctl(3, LOOP_CLR_FD [pid 11619] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11619] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 294] close(3 [pid 11619] <... mprotect resumed>) = 0 [pid 11619] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] <... close resumed>) = 0 [pid 11619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11612] exit_group(0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11622] <... futex resumed>) = ? [pid 11612] <... exit_group resumed>) = ? [pid 11616] <... futex resumed>) = ? [pid 11622] +++ exited with 0 +++ [pid 11619] <... clone3 resumed> => {parent_tid=[11629]}, 88) = 11629 [pid 11616] +++ exited with 0 +++ [pid 11619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11612] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11612, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11630 [pid 297] <... openat resumed>) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11631 ./strace-static-x86_64: Process 11629 attached ./strace-static-x86_64: Process 11631 attached [pid 11629] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11629] rt_sigprocmask(SIG_SETMASK, [], [pid 11631] set_robust_list(0x5555555916a0, 24 [pid 11629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11631] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 11630 attached [pid 11629] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11629] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11629] <... futex resumed>) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11631] <... prctl resumed>) = 0 [pid 11630] set_robust_list(0x5555555916a0, 24 [pid 11629] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11631] setpgid(0, 0 [pid 11630] <... set_robust_list resumed>) = 0 [pid 11629] <... bpf resumed>) = 0 [pid 11631] <... setpgid resumed>) = 0 [pid 11629] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11631] write(3, "1000", 4) = 4 [pid 11630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11629] <... bpf resumed>) = 6 [pid 11631] close(3) = 0 [pid 11630] <... prctl resumed>) = 0 [pid 11629] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] setpgid(0, 0 [pid 11629] <... futex resumed>) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11631] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] <... setpgid resumed>) = 0 [pid 11619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11629] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11619] <... futex resumed>) = 0 [pid 11619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11631] <... futex resumed>) = 0 [pid 11631] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11630] <... openat resumed>) = 3 [pid 11631] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11630] write(3, "1000", 4) = 4 [pid 11631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11630] close(3) = 0 [pid 11630] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11630] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11630] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11632]}, 88) = 11632 ./strace-static-x86_64: Process 11632 attached [pid 11631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11630] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11630] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11632] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11632] memfd_create("syzkaller", 0) = 3 [pid 11632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11631] <... clone3 resumed> => {parent_tid=[11633]}, 88) = 11633 [pid 11631] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11633 attached NULL, 8) = 0 [pid 11633] set_robust_list(0x7fb9262589a0, 24 [pid 11631] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... set_robust_list resumed>) = 0 [pid 11631] <... futex resumed>) = 0 [pid 11632] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11633] rt_sigprocmask(SIG_SETMASK, [], [pid 11631] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11632] <... write resumed>) = 131072 [pid 11632] munmap(0x7fb91de38000, 138412032 [pid 11629] <... bpf resumed>) = 7 [pid 11629] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11632] <... munmap resumed>) = 0 [pid 11629] <... futex resumed>) = 1 [pid 11619] <... futex resumed>) = 0 [pid 11632] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11632] <... openat resumed>) = 4 [pid 11629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11619] <... futex resumed>) = 0 [pid 11632] ioctl(4, LOOP_SET_FD, 3 [pid 11619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11633] memfd_create("syzkaller", 0 [pid 11629] <... bpf resumed>) = 8 [pid 11624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11633] <... memfd_create resumed>) = 3 [pid 11629] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11624] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11632] <... ioctl resumed>) = 0 [pid 11629] <... futex resumed>) = 1 [pid 11624] <... futex resumed>) = 0 [pid 11619] <... futex resumed>) = 0 [pid 11632] close(3 [pid 11624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11619] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11629] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11632] <... close resumed>) = 0 [pid 11619] <... futex resumed>) = 0 [pid 11632] close(4 [pid 11619] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11633] <... mmap resumed>) = 0x7fb91de38000 [pid 11629] <... bpf resumed>) = 9 [pid 11624] <... mmap resumed>) = 0x7fb926217000 [pid 11633] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11629] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11624] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11633] <... write resumed>) = 131072 [pid 11632] <... close resumed>) = 0 [pid 11629] <... futex resumed>) = 1 [pid 11624] <... mprotect resumed>) = 0 [pid 11619] <... futex resumed>) = 0 [pid 11633] munmap(0x7fb91de38000, 138412032 [pid 11632] mkdir("./file0", 0777 [pid 11629] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11633] <... munmap resumed>) = 0 [pid 11632] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11633] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11632] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11634 attached [pid 11633] <... openat resumed>) = 4 [pid 11634] set_robust_list(0x7fb9262379a0, 24 [pid 11633] ioctl(4, LOOP_SET_FD, 3 [pid 11624] <... clone3 resumed> => {parent_tid=[11634]}, 88) = 11634 [pid 11634] <... set_robust_list resumed>) = 0 [pid 11632] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11621] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11632] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11621] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11632] <... openat resumed>) = 3 [pid 11621] <... futex resumed>) = 0 [pid 11632] ioctl(3, LOOP_CLR_FD [pid 11621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11621] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11635]}, 88) = 11635 [pid 11621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11621] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11621] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11624] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11624] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11634] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11634] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11624] <... futex resumed>) = 0 [pid 11634] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11624] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11624] <... futex resumed>) = 0 [pid 11634] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11624] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11634] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 11635 attached [pid 11634] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... ioctl resumed>) = 0 [pid 11633] close(3) = 0 [pid 11624] <... futex resumed>) = 0 [pid 11633] close(4) = 0 [pid 11633] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11633] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11635] set_robust_list(0x7fb9262379a0, 24 [pid 11634] <... futex resumed>) = 1 [pid 11624] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... set_robust_list resumed>) = 0 [pid 11634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11624] <... futex resumed>) = 0 [pid 11635] rt_sigprocmask(SIG_SETMASK, [], [pid 11633] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11624] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11633] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11635] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11634] <... bpf resumed>) = 6 [pid 11633] <... openat resumed>) = 3 [pid 11634] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11634] <... futex resumed>) = 1 [pid 11633] ioctl(3, LOOP_CLR_FD [pid 11624] <... futex resumed>) = 0 [pid 11634] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11624] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... futex resumed>) = 1 [pid 11634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11624] <... futex resumed>) = 0 [pid 11621] <... futex resumed>) = 0 [pid 11634] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11624] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11635] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11634] <... bpf resumed>) = 7 [pid 11621] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11634] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11624] <... futex resumed>) = 0 [pid 11635] <... bpf resumed>) = 0 [pid 11634] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11624] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] <... futex resumed>) = 0 [pid 11635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11624] <... futex resumed>) = 0 [pid 11621] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11635] <... futex resumed>) = 0 [pid 11634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11624] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11635] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... futex resumed>) = 0 [pid 11634] <... bpf resumed>) = 8 [pid 11621] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11635] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11634] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11624] <... futex resumed>) = 0 [pid 11634] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11624] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11624] <... futex resumed>) = 0 [pid 11634] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11624] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11635] <... bpf resumed>) = 6 [pid 11634] <... bpf resumed>) = 9 [pid 11635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11634] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... futex resumed>) = 1 [pid 11634] <... futex resumed>) = 1 [pid 11624] <... futex resumed>) = 0 [pid 11621] <... futex resumed>) = 0 [pid 11635] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11634] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... bpf resumed>) = 7 [pid 11621] <... futex resumed>) = 0 [pid 11635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11621] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11635] <... futex resumed>) = 0 [pid 11621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11635] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... futex resumed>) = 0 [pid 11635] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11621] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11635] <... bpf resumed>) = 8 [pid 11635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11621] <... futex resumed>) = 0 [pid 11635] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11621] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11621] <... futex resumed>) = 0 [pid 11635] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11621] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11635] <... bpf resumed>) = 9 [pid 11635] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11621] <... futex resumed>) = 0 [pid 11635] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11632] <... ioctl resumed>) = 0 [pid 11620] <... sendmsg resumed>) = 64 [pid 11633] <... ioctl resumed>) = 0 [pid 11633] close(3) = 0 [pid 11633] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11620] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11619] exit_group(0 [pid 11633] <... futex resumed>) = 1 [pid 11632] close(3 [pid 11631] <... futex resumed>) = 0 [pid 11633] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11631] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11631] <... futex resumed>) = 0 [pid 11633] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11631] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11633] <... socket resumed>) = 3 [pid 11633] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11631] <... futex resumed>) = 0 [pid 11633] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11631] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11631] <... futex resumed>) = 0 [pid 11633] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11631] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11633] <... socket resumed>) = 4 [pid 11633] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11631] <... futex resumed>) = 0 [pid 11633] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11631] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11631] <... futex resumed>) = 0 [pid 11633] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11631] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11633] <... sendto resumed>) = 32 [pid 11632] <... close resumed>) = 0 [pid 11629] <... futex resumed>) = ? [pid 11620] <... futex resumed>) = ? [pid 11619] <... exit_group resumed>) = ? [pid 11633] recvfrom(4, [pid 11629] +++ exited with 0 +++ [pid 11620] +++ exited with 0 +++ [pid 11633] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11631}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11633] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11632] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11619] +++ exited with 0 +++ [pid 11633] <... futex resumed>) = 1 [pid 11632] <... futex resumed>) = 1 [pid 11631] <... futex resumed>) = 0 [pid 11630] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11619, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11633] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11632] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11631] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11631] <... futex resumed>) = 0 [pid 11633] getsockname(4, [pid 11631] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11633] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11631, nl_groups=00000000}, [116 => 12]) = 0 [pid 11632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11630] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11633] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11632] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11630] <... futex resumed>) = 0 [pid 11633] <... futex resumed>) = 1 [pid 11631] <... futex resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 11633] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11632] <... socket resumed>) = 3 [pid 11631] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11632] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11631] <... futex resumed>) = 0 [pid 11630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11633] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x6f\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11632] <... futex resumed>) = 0 [pid 11631] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11630] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11632] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11630] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11632] <... socket resumed>) = 4 [pid 11630] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... openat resumed>) = 3 [pid 11632] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11632] <... futex resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11632] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11630] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11630] <... futex resumed>) = 0 [pid 11630] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11637 ./strace-static-x86_64: Process 11637 attached [pid 11632] <... sendto resumed>) = 32 [pid 11632] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11630}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11632] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11630] <... futex resumed>) = 0 [pid 11630] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11632] getsockname(4, [pid 11630] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11632] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11630, nl_groups=00000000}, [116 => 12]) = 0 [pid 11632] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11630] <... futex resumed>) = 0 [pid 11632] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11630] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11630] <... futex resumed>) = 0 [pid 11632] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x6e\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11630] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11637] set_robust_list(0x5555555916a0, 24) = 0 [pid 11637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11637] setpgid(0, 0) = 0 [pid 11637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11637] write(3, "1000", 4) = 4 [pid 11637] close(3) = 0 [pid 11637] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11637] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11637] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11637] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11639]}, 88) = 11639 [pid 11637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 163.437182][T11632] loop0: detected capacity change from 0 to 256 [ 163.450978][T11632] exfat: Bad value for 'uid' [ 163.452712][T11633] loop1: detected capacity change from 0 to 256 [ 163.463168][T11633] exfat: Bad value for 'uid' [pid 11637] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11637] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11639 attached [pid 11639] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11639] memfd_create("syzkaller", 0) = 3 [pid 11639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11639] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11639] munmap(0x7fb91de38000, 138412032) = 0 [pid 11639] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11623] <... sendmsg resumed>) = 64 [pid 11639] <... openat resumed>) = 4 [pid 11625] <... sendmsg resumed>) = 64 [pid 11623] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11625] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11623] <... futex resumed>) = 0 [pid 11625] <... futex resumed>) = 0 [pid 11623] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11625] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11639] ioctl(4, LOOP_SET_FD, 3 [pid 11621] exit_group(0) = ? [pid 11635] <... futex resumed>) = ? [pid 11623] <... futex resumed>) = ? [pid 11635] +++ exited with 0 +++ [pid 11623] +++ exited with 0 +++ [pid 11624] exit_group(0 [pid 11634] <... futex resumed>) = ? [pid 11625] <... futex resumed>) = ? [pid 11624] <... exit_group resumed>) = ? [pid 11625] +++ exited with 0 +++ [pid 11639] <... ioctl resumed>) = 0 [pid 11634] +++ exited with 0 +++ [pid 11621] +++ exited with 0 +++ [pid 11624] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11639] close(3 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11639] <... close resumed>) = 0 [pid 11639] close(4) = 0 [pid 300] <... restart_syscall resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 300] <... openat resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 299] ioctl(3, LOOP_CLR_FD [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3 [pid 299] close(3 [pid 300] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11641 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11640 [pid 11639] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11639] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11639] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11639] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11640 attached [pid 11640] set_robust_list(0x5555555916a0, 24) = 0 [pid 11640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11640] setpgid(0, 0) = 0 [pid 11640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11640] write(3, "1000", 4) = 4 [pid 11640] close(3) = 0 [pid 11640] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11640] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11640] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11640] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11642]}, 88) = 11642 [pid 11640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11640] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11640] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11642 attached [pid 11631] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11631] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11631] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11631] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11643]}, 88) = 11643 [pid 11631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11631] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11631] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11642] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11642] memfd_create("syzkaller", 0) = 3 [pid 11642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 ./strace-static-x86_64: Process 11643 attached ./strace-static-x86_64: Process 11641 attached [pid 11641] set_robust_list(0x5555555916a0, 24 [pid 11643] set_robust_list(0x7fb9262379a0, 24 [pid 11642] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11643] <... set_robust_list resumed>) = 0 [pid 11641] <... set_robust_list resumed>) = 0 [pid 11643] rt_sigprocmask(SIG_SETMASK, [], [pid 11641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11641] setpgid(0, 0 [pid 11643] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11641] <... setpgid resumed>) = 0 [pid 11643] <... bpf resumed>) = 5 [pid 11642] <... write resumed>) = 131072 [pid 11641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11643] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] <... openat resumed>) = 3 [pid 11631] <... futex resumed>) = 0 [pid 11631] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11631] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11643] <... futex resumed>) = 1 [pid 11642] munmap(0x7fb91de38000, 138412032 [pid 11641] write(3, "1000", 4 [pid 11643] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11643] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11631] <... futex resumed>) = 0 [pid 11631] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11631] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11643] <... futex resumed>) = 1 [pid 11643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11641] <... write resumed>) = 4 [pid 11641] close(3) = 0 [pid 11641] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11642] <... munmap resumed>) = 0 [pid 11641] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11642] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11643] <... bpf resumed>) = 6 [pid 11641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11642] <... openat resumed>) = 4 [pid 11630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11630] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11642] ioctl(4, LOOP_SET_FD, 3 [pid 11630] <... mmap resumed>) = 0x7fb926217000 [pid 11630] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11643] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11630] <... rt_sigprocmask resumed>[], 8) = 0 [ 163.527913][T11639] loop2: detected capacity change from 0 to 256 [ 163.539721][T11639] exfat: Bad value for 'uid' [pid 11630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11644]}, 88) = 11644 [pid 11630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11630] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11630] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11641] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11645]}, 88) = 11645 [pid 11641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11631] <... futex resumed>) = 0 [pid 11631] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11631] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11643] <... futex resumed>) = 1 [pid 11643] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 11644 attached [pid 11642] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 11645 attached [pid 11644] set_robust_list(0x7fb9262379a0, 24 [pid 11642] close(3 [pid 11643] <... bpf resumed>) = 7 [pid 11644] <... set_robust_list resumed>) = 0 [pid 11644] rt_sigprocmask(SIG_SETMASK, [], [pid 11642] <... close resumed>) = 0 [pid 11644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11645] set_robust_list(0x7fb9262589a0, 24 [pid 11644] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11642] close(4 [pid 11645] <... set_robust_list resumed>) = 0 [pid 11645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11645] memfd_create("syzkaller", 0 [pid 11644] <... bpf resumed>) = 5 [pid 11643] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11642] <... close resumed>) = 0 [pid 11639] <... ioctl resumed>) = 0 [pid 11644] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11642] mkdir("./file0", 0777 [pid 11639] close(3 [pid 11644] <... futex resumed>) = 1 [pid 11642] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11639] <... close resumed>) = 0 [pid 11644] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11642] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11639] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] <... futex resumed>) = 0 [pid 11642] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11639] <... futex resumed>) = 1 [pid 11637] <... futex resumed>) = 0 [pid 11630] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11639] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11637] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] <... futex resumed>) = 1 [pid 11644] <... futex resumed>) = 0 [pid 11639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11637] <... futex resumed>) = 0 [pid 11630] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11645] <... memfd_create resumed>) = 3 [pid 11644] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11639] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11637] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11644] <... bpf resumed>) = 0 [pid 11643] <... futex resumed>) = 1 [pid 11642] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11631] <... futex resumed>) = 0 [pid 11645] <... mmap resumed>) = 0x7fb91de38000 [pid 11644] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11639] <... socket resumed>) = 3 [pid 11631] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11644] <... futex resumed>) = 1 [pid 11642] <... openat resumed>) = 3 [pid 11639] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11631] <... futex resumed>) = 0 [pid 11630] <... futex resumed>) = 0 [pid 11644] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11642] ioctl(3, LOOP_CLR_FD [pid 11639] <... futex resumed>) = 1 [pid 11637] <... futex resumed>) = 0 [pid 11631] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11630] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11639] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11637] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] <... futex resumed>) = 0 [pid 11644] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11637] <... futex resumed>) = 0 [pid 11630] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11645] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11639] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11637] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11644] <... bpf resumed>) = 6 [pid 11643] <... bpf resumed>) = 8 [pid 11639] <... socket resumed>) = 4 [pid 11645] <... write resumed>) = 131072 [pid 11644] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11643] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11639] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11645] munmap(0x7fb91de38000, 138412032 [pid 11644] <... futex resumed>) = 1 [pid 11639] <... futex resumed>) = 1 [pid 11630] <... futex resumed>) = 0 [pid 11645] <... munmap resumed>) = 0 [pid 11644] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11643] <... futex resumed>) = 1 [pid 11639] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11637] <... futex resumed>) = 0 [pid 11631] <... futex resumed>) = 0 [pid 11630] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11645] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11643] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11631] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] <... futex resumed>) = 0 [pid 11645] <... openat resumed>) = 4 [pid 11644] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11637] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11631] <... futex resumed>) = 0 [pid 11630] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11645] ioctl(4, LOOP_SET_FD, 3 [pid 11644] <... bpf resumed>) = 7 [pid 11643] <... bpf resumed>) = 9 [pid 11639] <... futex resumed>) = 0 [pid 11637] <... futex resumed>) = 1 [pid 11631] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11644] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11639] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11637] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11639] <... sendto resumed>) = 32 [pid 11639] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11637}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11639] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11637] <... futex resumed>) = 0 [pid 11639] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11637] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11637] <... futex resumed>) = 0 [pid 11639] getsockname(4, [pid 11637] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11639] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11637, nl_groups=00000000}, [116 => 12]) = 0 [pid 11639] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11637] <... futex resumed>) = 0 [pid 11639] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11637] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11637] <... futex resumed>) = 0 [pid 11639] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x75\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11637] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11645] <... ioctl resumed>) = 0 [pid 11644] <... futex resumed>) = 1 [pid 11643] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11633] <... sendmsg resumed>) = 64 [pid 11630] <... futex resumed>) = 0 [pid 11644] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11643] <... futex resumed>) = 1 [pid 11633] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11631] <... futex resumed>) = 0 [pid 11630] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11643] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11633] <... futex resumed>) = 0 [pid 11631] exit_group(0 [pid 11630] <... futex resumed>) = 0 [pid 11645] close(3 [pid 11644] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11643] <... futex resumed>) = ? [pid 11631] <... exit_group resumed>) = ? [pid 11630] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11645] <... close resumed>) = 0 [pid 11644] <... bpf resumed>) = 8 [pid 11633] +++ exited with 0 +++ [pid 11643] +++ exited with 0 +++ [pid 11645] close(4) = 0 [pid 11644] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11630] <... futex resumed>) = 0 [pid 11644] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11630] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11630] <... futex resumed>) = 0 [pid 11644] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11630] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11645] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11645] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11645] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11645] ioctl(3, LOOP_CLR_FD [pid 11642] <... ioctl resumed>) = 0 [pid 11631] +++ exited with 0 +++ [pid 11644] <... bpf resumed>) = 9 [pid 11642] close(3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11631, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11642] <... close resumed>) = 0 [pid 11642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11644] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11630] <... futex resumed>) = 0 [pid 11644] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11640] <... futex resumed>) = 0 [pid 11640] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11642] <... futex resumed>) = 0 [pid 11640] <... futex resumed>) = 1 [pid 11642] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11640] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11642] <... futex resumed>) = 0 [pid 11640] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11642] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11640] <... futex resumed>) = 0 [pid 11642] <... socket resumed>) = 4 [pid 11640] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... openat resumed>) = 3 [pid 11642] <... futex resumed>) = 0 [pid 11640] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11642] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11640] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11642] <... sendto resumed>) = 32 [pid 11640] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] close(3 [pid 11642] recvfrom(4, [pid 297] <... close resumed>) = 0 [pid 11642] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11640}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11640] <... futex resumed>) = 0 [pid 11640] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11642] <... futex resumed>) = 0 [pid 11640] <... futex resumed>) = 1 [pid 11642] getsockname(4, [pid 11640] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11642] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11640, nl_groups=00000000}, [116 => 12]) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11648 [pid 11642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11640] <... futex resumed>) = 0 [pid 11642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11640] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11640] <... futex resumed>) = 0 [pid 11642] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x78\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11640] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11648 attached [pid 11648] set_robust_list(0x5555555916a0, 24) = 0 [pid 11648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11648] setpgid(0, 0) = 0 [pid 11648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11648] write(3, "1000", 4) = 4 [pid 11648] close(3) = 0 [pid 11648] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11648] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11648] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11650 attached => {parent_tid=[11650]}, 88) = 11650 [pid 11650] set_robust_list(0x7fb9262589a0, 24 [pid 11648] rt_sigprocmask(SIG_SETMASK, [], [pid 11650] <... set_robust_list resumed>) = 0 [pid 11648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11648] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11650] memfd_create("syzkaller", 0 [pid 11648] <... futex resumed>) = 0 [pid 11650] <... memfd_create resumed>) = 3 [pid 11648] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11650] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11650] munmap(0x7fb91de38000, 138412032) = 0 [pid 11650] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 163.569254][T11642] loop3: detected capacity change from 0 to 256 [ 163.579240][T11642] exfat: Bad value for 'uid' [ 163.590820][T11645] loop4: detected capacity change from 0 to 256 [ 163.607913][T11645] exfat: Bad value for 'uid' [pid 11650] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11650] close(3 [pid 11637] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11650] <... close resumed>) = 0 [pid 11637] <... futex resumed>) = 0 [pid 11650] close(4 [pid 11637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11650] <... close resumed>) = 0 [pid 11650] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11650] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11645] <... ioctl resumed>) = 0 [pid 11637] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11632] <... sendmsg resumed>) = 64 [pid 11645] close(3 [pid 11637] <... mprotect resumed>) = 0 [pid 11632] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11630] exit_group(0 [pid 11645] <... close resumed>) = 0 [pid 11644] <... futex resumed>) = ? [pid 11637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11632] <... futex resumed>) = ? [pid 11630] <... exit_group resumed>) = ? [pid 11645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11644] +++ exited with 0 +++ [pid 11637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11632] +++ exited with 0 +++ [pid 11630] +++ exited with 0 +++ [pid 11650] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11645] <... futex resumed>) = 1 [pid 11641] <... futex resumed>) = 0 [pid 11637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11651 attached [pid 11650] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11630, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11651] set_robust_list(0x7fb9262379a0, 24 [pid 11650] <... openat resumed>) = 3 [pid 11645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11641] <... futex resumed>) = 0 [pid 11637] <... clone3 resumed> => {parent_tid=[11651]}, 88) = 11651 [pid 11650] ioctl(3, LOOP_CLR_FD [pid 11645] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11637] rt_sigprocmask(SIG_SETMASK, [], [pid 11651] <... set_robust_list resumed>) = 0 [pid 11645] <... socket resumed>) = 3 [pid 11637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11645] <... futex resumed>) = 1 [pid 11641] <... futex resumed>) = 0 [pid 11637] <... futex resumed>) = 0 [pid 11645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11641] <... futex resumed>) = 0 [pid 11645] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11651] rt_sigprocmask(SIG_SETMASK, [], [pid 11645] <... socket resumed>) = 4 [pid 294] <... restart_syscall resumed>) = 0 [pid 11651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11641] <... futex resumed>) = 0 [pid 11645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11641] <... futex resumed>) = 0 [pid 11645] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11645] <... sendto resumed>) = 32 [pid 11645] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11641}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11651] <... bpf resumed>) = 5 [pid 11645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11641] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 11651] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11641] <... futex resumed>) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11645] getsockname(4, [pid 11641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11651] <... futex resumed>) = 1 [pid 11645] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11641, nl_groups=00000000}, [116 => 12]) = 0 [pid 11637] <... futex resumed>) = 0 [pid 294] close(3 [pid 11645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11651] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11637] <... futex resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 11651] <... bpf resumed>) = 0 [pid 11637] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11651] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11651] <... futex resumed>) = 0 [pid 11637] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11652 [pid 11651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11637] <... futex resumed>) = 0 [pid 11651] <... bpf resumed>) = 6 [pid 11637] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11651] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11645] <... futex resumed>) = 1 [pid 11641] <... futex resumed>) = 0 [pid 11637] <... futex resumed>) = 0 [pid 11651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11645] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11652 attached [pid 11651] <... bpf resumed>) = 7 [pid 11645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11641] <... futex resumed>) = 0 [pid 11637] <... futex resumed>) = 0 [pid 11651] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11645] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x79\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11641] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11637] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11651] <... futex resumed>) = 0 [pid 11637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11637] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11652] set_robust_list(0x5555555916a0, 24 [pid 11651] <... bpf resumed>) = 8 [pid 11637] <... futex resumed>) = 0 [pid 11651] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11651] <... futex resumed>) = 0 [pid 11637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11637] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11651] <... bpf resumed>) = 9 [pid 11637] <... futex resumed>) = 0 [pid 11651] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11651] <... futex resumed>) = 0 [pid 11637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11651] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11652] <... set_robust_list resumed>) = 0 [pid 11652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11640] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11652] <... prctl resumed>) = 0 [pid 11652] setpgid(0, 0 [pid 11640] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11652] <... setpgid resumed>) = 0 [pid 11652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11640] <... futex resumed>) = 0 [pid 11652] <... openat resumed>) = 3 [pid 11652] write(3, "1000", 4 [pid 11640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11652] <... write resumed>) = 4 [pid 11652] close(3) = 0 [pid 11652] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] <... mmap resumed>) = 0x7fb926217000 [pid 11652] <... futex resumed>) = 0 [pid 11640] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11652] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11640] <... mprotect resumed>) = 0 [pid 11652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11640] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11652] <... mmap resumed>) = 0x7fb926238000 [pid 11640] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11652] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11654 attached [pid 11652] <... mprotect resumed>) = 0 [pid 11640] <... clone3 resumed> => {parent_tid=[11654]}, 88) = 11654 [pid 11640] rt_sigprocmask(SIG_SETMASK, [], [pid 11652] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11640] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11654] set_robust_list(0x7fb9262379a0, 24 [pid 11652] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11640] <... futex resumed>) = 0 [pid 11640] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11654] <... set_robust_list resumed>) = 0 [pid 11652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 11655 attached [pid 11655] set_robust_list(0x7fb9262589a0, 24 [pid 11654] <... bpf resumed>) = 5 [pid 11652] <... clone3 resumed> => {parent_tid=[11655]}, 88) = 11655 [pid 11654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... set_robust_list resumed>) = 0 [pid 11654] <... futex resumed>) = 1 [pid 11652] rt_sigprocmask(SIG_SETMASK, [], [pid 11640] <... futex resumed>) = 0 [pid 11655] rt_sigprocmask(SIG_SETMASK, [], [pid 11654] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11640] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11640] <... futex resumed>) = 0 [pid 11654] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11652] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11654] <... bpf resumed>) = 0 [pid 11654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11640] <... futex resumed>) = 0 [pid 11655] memfd_create("syzkaller", 0 [pid 11654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11652] <... futex resumed>) = 0 [pid 11640] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... memfd_create resumed>) = 3 [pid 11654] <... bpf resumed>) = 6 [pid 11652] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11640] <... futex resumed>) = 0 [pid 11654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11654] <... futex resumed>) = 0 [pid 11640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11640] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... mmap resumed>) = 0x7fb91de38000 [pid 11654] <... bpf resumed>) = 7 [pid 11640] <... futex resumed>) = 0 [pid 11654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11654] <... futex resumed>) = 0 [pid 11640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11640] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11654] <... bpf resumed>) = 8 [pid 11640] <... futex resumed>) = 0 [pid 11654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11654] <... futex resumed>) = 0 [pid 11640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11640] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11640] <... futex resumed>) = 0 [pid 11655] <... write resumed>) = 131072 [pid 11650] <... ioctl resumed>) = 0 [pid 11655] munmap(0x7fb91de38000, 138412032) = 0 [pid 11655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 163.644907][T11650] loop1: detected capacity change from 0 to 256 [ 163.653473][T11650] exfat: Bad value for 'uid' [pid 11655] ioctl(4, LOOP_SET_FD, 3 [pid 11650] close(3 [pid 11640] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11655] <... ioctl resumed>) = 0 [pid 11654] <... bpf resumed>) = 9 [pid 11650] <... close resumed>) = 0 [pid 11655] close(3 [pid 11654] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... close resumed>) = 0 [pid 11654] <... futex resumed>) = 0 [pid 11655] close(4 [pid 11654] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11655] <... close resumed>) = 0 [pid 11655] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11655] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11650] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11650] <... futex resumed>) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11650] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11648] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11648] <... futex resumed>) = 0 [pid 11650] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11648] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11650] <... socket resumed>) = 3 [pid 11650] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11650] <... futex resumed>) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11655] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11650] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11648] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... openat resumed>) = 3 [pid 11650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11650] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11648] <... futex resumed>) = 0 [pid 11650] <... socket resumed>) = 4 [pid 11648] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11655] ioctl(3, LOOP_CLR_FD [pid 11650] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11650] <... futex resumed>) = 0 [pid 11648] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11650] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11648] <... futex resumed>) = 0 [pid 11650] <... sendto resumed>) = 32 [pid 11648] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11650] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11648}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11650] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11650] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11648] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11648] <... futex resumed>) = 0 [pid 11650] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11648, nl_groups=00000000}, [116 => 12]) = 0 [pid 11648] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11650] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11648] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11650] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x80\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11648] <... futex resumed>) = 0 [pid 11641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11641] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11648] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11641] <... futex resumed>) = 0 [pid 11641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11641] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11657 attached [pid 11657] set_robust_list(0x7fb9262379a0, 24 [pid 11641] <... clone3 resumed> => {parent_tid=[11657]}, 88) = 11657 [pid 11657] <... set_robust_list resumed>) = 0 [pid 11641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11657] rt_sigprocmask(SIG_SETMASK, [], [pid 11641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11657] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11657] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11641] <... futex resumed>) = 0 [pid 11657] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11641] <... futex resumed>) = 0 [pid 11657] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11657] <... bpf resumed>) = 0 [pid 11657] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11641] <... futex resumed>) = 0 [pid 11657] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11657] <... bpf resumed>) = 6 [pid 11641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11657] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11641] <... futex resumed>) = 0 [pid 11657] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11657] <... bpf resumed>) = 7 [pid 11641] <... futex resumed>) = 0 [pid 11657] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11657] <... futex resumed>) = 0 [pid 11641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11657] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11641] <... futex resumed>) = 0 [pid 11657] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11657] <... bpf resumed>) = 8 [pid 11657] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11641] <... futex resumed>) = 0 [pid 11657] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11641] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11657] <... bpf resumed>) = 9 [pid 11641] <... futex resumed>) = 0 [pid 11657] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11657] <... futex resumed>) = 0 [pid 11641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11657] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11642] <... sendmsg resumed>) = 64 [pid 11642] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11642] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11640] exit_group(0 [pid 11654] <... futex resumed>) = ? [pid 11642] <... futex resumed>) = ? [pid 11640] <... exit_group resumed>) = ? [pid 11654] +++ exited with 0 +++ [pid 11642] +++ exited with 0 +++ [pid 11640] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11640, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11658 ./strace-static-x86_64: Process 11658 attached [pid 11658] set_robust_list(0x5555555916a0, 24) = 0 [pid 11658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11658] setpgid(0, 0) = 0 [pid 11658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11658] write(3, "1000", 4) = 4 [pid 11658] close(3) = 0 [pid 11658] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11658] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11658] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11659 attached => {parent_tid=[11659]}, 88) = 11659 [pid 11659] set_robust_list(0x7fb9262589a0, 24 [pid 11658] rt_sigprocmask(SIG_SETMASK, [], [pid 11659] <... set_robust_list resumed>) = 0 [pid 11658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11658] <... futex resumed>) = 0 [pid 11658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11659] memfd_create("syzkaller", 0) = 3 [pid 11659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 163.700183][T11655] loop0: detected capacity change from 0 to 256 [ 163.711910][T11655] exfat: Bad value for 'uid' [pid 11659] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11659] munmap(0x7fb91de38000, 138412032) = 0 [pid 11659] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11659] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11655] <... ioctl resumed>) = 0 [pid 11659] close(3 [pid 11655] close(3 [pid 11659] <... close resumed>) = 0 [pid 11655] <... close resumed>) = 0 [pid 11659] close(4) = 0 [pid 11659] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11659] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11645] <... sendmsg resumed>) = 64 [pid 11648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11639] <... sendmsg resumed>) = 64 [pid 11648] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11645] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11641] exit_group(0 [pid 11639] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11648] <... futex resumed>) = 0 [pid 11645] <... futex resumed>) = ? [pid 11641] <... exit_group resumed>) = ? [pid 11639] <... futex resumed>) = 0 [pid 11648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11645] +++ exited with 0 +++ [pid 11639] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11648] <... mmap resumed>) = 0x7fb926217000 [pid 11657] <... futex resumed>) = ? [pid 11655] <... futex resumed>) = 1 [pid 11652] <... futex resumed>) = 0 [pid 11648] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11655] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11652] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11648] <... mprotect resumed>) = 0 [pid 11637] exit_group(0 [pid 11648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11660]}, 88) = 11660 [pid 11648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11648] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11648] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11657] +++ exited with 0 +++ [pid 11652] <... futex resumed>) = 0 [pid 11651] <... futex resumed>) = ? [pid 11641] +++ exited with 0 +++ [pid 11639] <... futex resumed>) = ? [pid 11637] <... exit_group resumed>) = ? [pid 11655] <... socket resumed>) = 3 [pid 11652] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11651] +++ exited with 0 +++ [pid 11639] +++ exited with 0 +++ [pid 11659] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11659] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11659] ioctl(3, LOOP_CLR_FD [pid 11655] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11637] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11641, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11655] <... futex resumed>) = 1 [pid 11652] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11637, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11655] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11652] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... socket resumed>) = 4 [pid 11652] <... futex resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11655] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11652] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... openat resumed>) = 3 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11655] <... futex resumed>) = 0 [pid 11652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] ioctl(3, LOOP_CLR_FD [pid 298] <... openat resumed>) = 3 [pid 11655] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11652] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] ioctl(3, LOOP_CLR_FD [pid 11655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11652] <... futex resumed>) = 0 [pid 300] close(3 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11655] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11652] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... close resumed>) = 0 [pid 298] close(3 [pid 11655] <... sendto resumed>) = 32 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... close resumed>) = 0 [pid 11655] recvfrom(4, [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11655] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11652}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11655] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11661 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11662 [pid 11655] <... futex resumed>) = 1 [pid 11652] <... futex resumed>) = 0 [pid 11655] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11652] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11652] <... futex resumed>) = 0 [pid 11655] getsockname(4, [pid 11652] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11655] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11652, nl_groups=00000000}, [116 => 12]) = 0 [pid 11655] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11652] <... futex resumed>) = 0 [pid 11655] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11652] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11652] <... futex resumed>) = 0 [pid 11655] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x84\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11652] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11662 attached [pid 11662] set_robust_list(0x5555555916a0, 24) = 0 [pid 11662] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 11661 attached ./strace-static-x86_64: Process 11660 attached ) = 0 [pid 11661] set_robust_list(0x5555555916a0, 24 [pid 11660] set_robust_list(0x7fb9262379a0, 24 [pid 11662] setpgid(0, 0 [pid 11661] <... set_robust_list resumed>) = 0 [pid 11660] <... set_robust_list resumed>) = 0 [pid 11662] <... setpgid resumed>) = 0 [pid 11662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11660] rt_sigprocmask(SIG_SETMASK, [], [pid 11661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11662] <... openat resumed>) = 3 [pid 11661] <... prctl resumed>) = 0 [pid 11660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11662] write(3, "1000", 4) = 4 [pid 11662] close(3) = 0 [pid 11662] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11662] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11660] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11662] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11661] setpgid(0, 0 [pid 11660] <... bpf resumed>) = 5 [pid 11662] <... mprotect resumed>) = 0 [pid 11660] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11648] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11660] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11648] <... futex resumed>) = 0 [pid 11662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11660] <... bpf resumed>) = 0 [pid 11648] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11660] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11648] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11661] <... setpgid resumed>) = 0 [pid 11648] <... futex resumed>) = 0 [pid 11662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11660] <... bpf resumed>) = 6 [pid 11648] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11660] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... clone3 resumed> => {parent_tid=[11664]}, 88) = 11664 [pid 11661] <... openat resumed>) = 3 [pid 11662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11664 attached [pid 11662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] write(3, "1000", 4 [pid 11660] <... futex resumed>) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11662] <... futex resumed>) = 0 [pid 11664] set_robust_list(0x7fb9262589a0, 24 [pid 11662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11661] <... write resumed>) = 4 [pid 11660] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11648] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11648] <... futex resumed>) = 0 [pid 11664] <... set_robust_list resumed>) = 0 [pid 11661] close(3 [pid 11660] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11648] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11661] <... close resumed>) = 0 [pid 11660] <... bpf resumed>) = 7 [pid 11661] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11660] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11664] memfd_create("syzkaller", 0) = 3 [pid 11664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11661] <... futex resumed>) = 0 [pid 11660] <... futex resumed>) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11661] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11648] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11664] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11648] <... futex resumed>) = 0 [pid 11661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11660] <... bpf resumed>) = 8 [pid 11661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11648] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11660] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... mmap resumed>) = 0x7fb926238000 [pid 11660] <... futex resumed>) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11648] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11660] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11664] <... write resumed>) = 131072 [pid 11664] munmap(0x7fb91de38000, 138412032 [pid 11648] <... futex resumed>) = 0 [pid 11661] <... mprotect resumed>) = 0 [pid 11648] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11660] <... bpf resumed>) = 9 [pid 11661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11660] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11664] <... munmap resumed>) = 0 [pid 11661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11660] <... futex resumed>) = 1 [pid 11648] <... futex resumed>) = 0 [pid 11661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11660] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11664] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11664] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11665 attached [pid 11661] <... clone3 resumed> => {parent_tid=[11665]}, 88) = 11665 [pid 11661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 163.762574][T11659] loop3: detected capacity change from 0 to 256 [ 163.772235][T11659] exfat: Bad value for 'uid' [pid 11661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11665] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11665] memfd_create("syzkaller", 0) = 3 [pid 11665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11665] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11665] munmap(0x7fb91de38000, 138412032) = 0 [pid 11665] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11665] ioctl(4, LOOP_SET_FD, 3 [pid 11664] <... ioctl resumed>) = 0 [pid 11659] <... ioctl resumed>) = 0 [pid 11659] close(3) = 0 [pid 11659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11658] <... futex resumed>) = 0 [pid 11659] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11658] <... futex resumed>) = 0 [pid 11659] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11659] <... socket resumed>) = 3 [pid 11659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11658] <... futex resumed>) = 0 [pid 11659] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11658] <... futex resumed>) = 0 [pid 11659] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11659] <... socket resumed>) = 4 [pid 11659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11658] <... futex resumed>) = 0 [pid 11659] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11658] <... futex resumed>) = 0 [pid 11659] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11659] <... sendto resumed>) = 32 [pid 11659] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11658}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11658] <... futex resumed>) = 0 [pid 11659] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11658] <... futex resumed>) = 0 [pid 11650] <... sendmsg resumed>) = 64 [pid 11659] getsockname(4, [pid 11658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11650] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11648] exit_group(0 [pid 11659] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11658, nl_groups=00000000}, [116 => 12]) = 0 [pid 11650] <... futex resumed>) = ? [pid 11648] <... exit_group resumed>) = ? [pid 11659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11650] +++ exited with 0 +++ [pid 11659] <... futex resumed>) = 1 [pid 11658] <... futex resumed>) = 0 [pid 11659] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11658] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11658] <... futex resumed>) = 0 [pid 11659] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8a\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11658] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11665] <... ioctl resumed>) = 0 [pid 11664] close(3 [pid 11660] <... futex resumed>) = ? [pid 11665] close(3 [pid 11664] <... close resumed>) = 0 [pid 11660] +++ exited with 0 +++ [pid 11648] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11648, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11665] <... close resumed>) = 0 [pid 11664] close(4 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 11665] close(4 [pid 11664] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 11665] <... close resumed>) = 0 [pid 11664] mkdir("./file0", 0777 [pid 11665] mkdir("./file0", 0777 [pid 11664] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11665] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11664] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11652] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11665] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11667 ./strace-static-x86_64: Process 11667 attached [pid 11667] set_robust_list(0x5555555916a0, 24) = 0 [pid 11667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11667] setpgid(0, 0) = 0 [pid 11667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11667] write(3, "1000", 4) = 4 [pid 11667] close(3) = 0 [pid 11667] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11652] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11667] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11652] <... futex resumed>) = 0 [pid 11667] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11667] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11667] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11668]}, 88) = 11668 [pid 11667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11668 attached [pid 11668] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11668] memfd_create("syzkaller", 0) = 3 [pid 11668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11652] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11668] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11652] <... mprotect resumed>) = 0 [pid 11652] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11664] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11669]}, 88) = 11669 [pid 11664] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11652] rt_sigprocmask(SIG_SETMASK, [], [pid 11664] <... openat resumed>) = 3 [pid 11652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11652] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11652] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11664] ioctl(3, LOOP_CLR_FD) = 0 [pid 11664] close(3) = 0 [pid 11668] <... write resumed>) = 131072 [pid 11664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] munmap(0x7fb91de38000, 138412032 [pid 11662] <... futex resumed>) = 0 [pid 11664] <... futex resumed>) = 1 [pid 11662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11668] <... munmap resumed>) = 0 [pid 11668] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11668] ioctl(4, LOOP_SET_FD, 3 [pid 11664] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE./strace-static-x86_64: Process 11669 attached [pid 11665] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11664] <... socket resumed>) = 3 [pid 11664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... futex resumed>) = 0 [pid 11662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11664] <... futex resumed>) = 1 [pid 11664] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... futex resumed>) = 0 [pid 11662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11664] <... futex resumed>) = 1 [pid 11664] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11668] <... ioctl resumed>) = 0 [pid 11668] close(3) = 0 [pid 11668] close(4 [pid 11664] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11662}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11669] set_robust_list(0x7fb9262379a0, 24 [pid 11668] <... close resumed>) = 0 [pid 11665] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11665] ioctl(3, LOOP_CLR_FD [pid 11669] <... set_robust_list resumed>) = 0 [pid 11669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11669] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11669] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11669] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11668] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11668] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11652] <... futex resumed>) = 0 [pid 11652] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11664] <... futex resumed>) = 1 [pid 11662] <... futex resumed>) = 0 [ 163.809357][T11664] loop2: detected capacity change from 0 to 256 [ 163.814796][T11665] loop4: detected capacity change from 0 to 256 [ 163.839152][T11664] exfat: Bad value for 'uid' [ 163.843944][T11665] exfat: Bad value for 'uid' [ 163.852297][T11668] loop1: detected capacity change from 0 to 256 [pid 11669] <... futex resumed>) = 0 [pid 11664] getsockname(4, [pid 11662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11652] <... futex resumed>) = 1 [pid 11664] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11662, nl_groups=00000000}, [116 => 12]) = 0 [pid 11662] <... futex resumed>) = 0 [pid 11652] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11669] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11664] <... futex resumed>) = 0 [pid 11662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11669] <... bpf resumed>) = 0 [pid 11664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11669] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11662] <... futex resumed>) = 0 [pid 11669] <... futex resumed>) = 1 [pid 11664] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8e\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11652] <... futex resumed>) = 0 [pid 11669] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11668] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11668] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11668] ioctl(3, LOOP_CLR_FD [pid 11652] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11652] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11669] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11652] <... futex resumed>) = 0 [pid 11669] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11652] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11652] <... futex resumed>) = 0 [pid 11669] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11652] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11669] <... bpf resumed>) = 7 [pid 11669] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11652] <... futex resumed>) = 0 [pid 11669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11652] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11652] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11669] <... bpf resumed>) = 8 [pid 11669] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11652] <... futex resumed>) = 0 [pid 11669] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11652] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11669] <... bpf resumed>) = 9 [pid 11652] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11669] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11652] <... futex resumed>) = 0 [pid 11669] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11658] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11658] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11671 attached => {parent_tid=[11671]}, 88) = 11671 [pid 11671] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11671] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11671] <... futex resumed>) = 0 [pid 11658] <... futex resumed>) = 1 [pid 11671] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11671] <... bpf resumed>) = 5 [pid 11671] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11658] <... futex resumed>) = 0 [pid 11671] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11671] <... bpf resumed>) = 0 [pid 11658] <... futex resumed>) = 0 [pid 11671] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11671] <... futex resumed>) = 0 [pid 11658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11671] <... bpf resumed>) = 6 [pid 11658] <... futex resumed>) = 0 [pid 11671] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11671] <... futex resumed>) = 0 [pid 11658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11671] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11671] <... bpf resumed>) = 7 [pid 11658] <... futex resumed>) = 0 [pid 11671] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11671] <... futex resumed>) = 0 [pid 11658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11671] <... bpf resumed>) = 8 [pid 11658] <... futex resumed>) = 0 [pid 11671] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11671] <... futex resumed>) = 0 [pid 11658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11671] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11658] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11671] <... bpf resumed>) = 9 [pid 11658] <... futex resumed>) = 0 [pid 11671] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11671] <... futex resumed>) = 0 [pid 11658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 163.864607][T11668] exfat: Bad value for 'uid' [pid 11671] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11668] <... ioctl resumed>) = 0 [pid 11665] <... ioctl resumed>) = 0 [pid 11655] <... sendmsg resumed>) = 64 [pid 11668] close(3 [pid 11665] close(3 [pid 11668] <... close resumed>) = 0 [pid 11665] <... close resumed>) = 0 [pid 11655] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11665] <... futex resumed>) = 1 [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11665] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11667] <... futex resumed>) = 0 [pid 11652] exit_group(0 [pid 11669] <... futex resumed>) = ? [pid 11668] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11652] <... exit_group resumed>) = ? [pid 11669] +++ exited with 0 +++ [pid 11668] <... socket resumed>) = 3 [pid 11661] <... futex resumed>) = 0 [pid 11655] <... futex resumed>) = ? [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11667] <... futex resumed>) = 0 [pid 11668] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11665] <... futex resumed>) = 0 [pid 11661] <... futex resumed>) = 1 [pid 11668] <... socket resumed>) = 4 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11665] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11667] <... futex resumed>) = 0 [pid 11665] <... socket resumed>) = 3 [pid 11668] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11668] <... sendto resumed>) = 32 [pid 11665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] recvfrom(4, [pid 11665] <... futex resumed>) = 1 [pid 11661] <... futex resumed>) = 0 [pid 11668] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11667}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11665] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11665] <... socket resumed>) = 4 [pid 11661] <... futex resumed>) = 0 [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11667] <... futex resumed>) = 0 [pid 11668] getsockname(4, [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11668] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11667, nl_groups=00000000}, [116 => 12]) = 0 [pid 11665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11668] <... futex resumed>) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11665] <... futex resumed>) = 0 [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11665] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11667] <... futex resumed>) = 0 [pid 11665] <... sendto resumed>) = 32 [pid 11661] <... futex resumed>) = 0 [pid 11668] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x93\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11665] recvfrom(4, [pid 11661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11665] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11661}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11665] <... futex resumed>) = 1 [pid 11662] <... futex resumed>) = 0 [pid 11661] <... futex resumed>) = 0 [pid 11662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11665] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... mmap resumed>) = 0x7fb926217000 [pid 11665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11661] <... futex resumed>) = 0 [pid 11665] getsockname(4, [pid 11662] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11665] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11661, nl_groups=00000000}, [116 => 12]) = 0 [pid 11661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11662] <... mprotect resumed>) = 0 [pid 11665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11661] <... futex resumed>) = 0 [pid 11665] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11661] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11661] <... futex resumed>) = 0 [pid 11665] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8d\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11661] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11662] <... clone3 resumed> => {parent_tid=[11673]}, 88) = 11673 [pid 11662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11673 attached [pid 11673] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11673] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... futex resumed>) = 0 [pid 11662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11673] <... futex resumed>) = 1 [pid 11673] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... futex resumed>) = 0 [pid 11662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11673] <... futex resumed>) = 1 [pid 11673] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11662] <... futex resumed>) = 0 [pid 11662] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11673] <... futex resumed>) = 1 [pid 11673] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11662] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11673] <... bpf resumed>) = 7 [pid 11664] <... sendmsg resumed>) = 64 [pid 11659] <... sendmsg resumed>) = 64 [pid 11655] +++ exited with 0 +++ [pid 11652] +++ exited with 0 +++ [pid 11673] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11659] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11658] exit_group(0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11652, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11673] <... futex resumed>) = 1 [pid 11671] <... futex resumed>) = ? [pid 11664] <... futex resumed>) = 0 [pid 11662] <... futex resumed>) = 0 [pid 11658] <... exit_group resumed>) = ? [pid 11673] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11671] +++ exited with 0 +++ [pid 11664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11659] <... futex resumed>) = ? [pid 11664] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11662] <... futex resumed>) = 0 [pid 11662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11664] <... bpf resumed>) = 8 [pid 11664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11664] <... futex resumed>) = 1 [pid 11662] <... futex resumed>) = 0 [pid 11664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11662] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 11664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11662] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11664] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11662] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11675 ./strace-static-x86_64: Process 11675 attached [pid 11675] set_robust_list(0x5555555916a0, 24) = 0 [pid 11675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11675] setpgid(0, 0) = 0 [pid 11675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11675] write(3, "1000", 4) = 4 [pid 11675] close(3) = 0 [pid 11675] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11675] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11675] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11676]}, 88) = 11676 [pid 11675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11675] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11675] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11676 attached [pid 11676] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11676] memfd_create("syzkaller", 0) = 3 [pid 11676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11676] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11676] munmap(0x7fb91de38000, 138412032) = 0 [pid 11676] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11676] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11676] close(3 [pid 11664] <... bpf resumed>) = 9 [pid 11659] +++ exited with 0 +++ [pid 11676] <... close resumed>) = 0 [pid 11658] +++ exited with 0 +++ [pid 11676] close(4 [pid 11664] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11658, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11664] <... futex resumed>) = 1 [pid 11662] <... futex resumed>) = 0 [pid 11664] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11662] exit_group(0 [pid 11664] <... futex resumed>) = ? [pid 11662] <... exit_group resumed>) = ? [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11664] +++ exited with 0 +++ [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11677 ./strace-static-x86_64: Process 11677 attached [pid 11677] set_robust_list(0x5555555916a0, 24) = 0 [pid 11677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11677] setpgid(0, 0) = 0 [pid 11677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11677] write(3, "1000", 4) = 4 [pid 11673] <... futex resumed>) = ? [pid 11667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11677] close(3) = 0 [pid 11677] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11677] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11677] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11677] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11678]}, 88) = 11678 [pid 11677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11677] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11677] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11678 attached [pid 11678] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11678] memfd_create("syzkaller", 0) = 3 [pid 11678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11661] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11661] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11667] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11679]}, 88) = 11679 [pid 11661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11673] +++ exited with 0 +++ [pid 11662] +++ exited with 0 +++ [pid 11667] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11678] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 298] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11667] <... mmap resumed>) = 0x7fb926217000 [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 11667] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 298] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11667] <... mprotect resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11680 [pid 11667] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11681]}, 88) = 11681 [pid 11678] munmap(0x7fb91de38000, 138412032 [pid 11667] rt_sigprocmask(SIG_SETMASK, [], [pid 11678] <... munmap resumed>) = 0 [pid 11667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11678] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11667] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] <... openat resumed>) = 4 [pid 11678] ioctl(4, LOOP_SET_FD, 3 [pid 11667] <... futex resumed>) = 0 [pid 11667] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11676] <... close resumed>) = 0 [pid 11676] mkdir("./file0", 0777./strace-static-x86_64: Process 11681 attached ./strace-static-x86_64: Process 11679 attached ) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 11680 attached [pid 11680] set_robust_list(0x5555555916a0, 24) = 0 [pid 11680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11676] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11680] <... prctl resumed>) = 0 [pid 11680] setpgid(0, 0) = 0 [pid 11680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11680] write(3, "1000", 4) = 4 [pid 11680] close(3) = 0 [pid 11680] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11680] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11680] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11680] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11682]}, 88) = 11682 [pid 11680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11680] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11680] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11678] <... ioctl resumed>) = 0 [pid 11678] close(3) = 0 [pid 11678] close(4) = 0 [pid 11678] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11678] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11682 attached [pid 11681] set_robust_list(0x7fb9262379a0, 24 [pid 11679] set_robust_list(0x7fb9262379a0, 24 [pid 11676] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11681] <... set_robust_list resumed>) = 0 [pid 11682] set_robust_list(0x7fb9262589a0, 24 [pid 11681] rt_sigprocmask(SIG_SETMASK, [], [pid 11679] <... set_robust_list resumed>) = 0 [pid 11678] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11676] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11668] <... sendmsg resumed>) = 64 [pid 11681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11681] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11681] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11681] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11679] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11679] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11667] <... futex resumed>) = 0 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... futex resumed>) = 0 [pid 11661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11668] <... futex resumed>) = 0 [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11668] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11679] <... futex resumed>) = 1 [pid 11679] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11679] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... futex resumed>) = 0 [pid 11661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11679] <... futex resumed>) = 1 [pid 11679] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11668] <... bpf resumed>) = 0 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11679] <... bpf resumed>) = 6 [pid 11679] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... futex resumed>) = 0 [pid 11661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11679] <... futex resumed>) = 1 [pid 11679] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11678] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11682] <... set_robust_list resumed>) = 0 [pid 11682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11676] <... openat resumed>) = 3 [pid 11667] <... futex resumed>) = 0 [pid 11668] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11678] ioctl(3, LOOP_CLR_FD [pid 11676] ioctl(3, LOOP_CLR_FD [pid 11682] memfd_create("syzkaller", 0) = 3 [pid 11682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11668] <... bpf resumed>) = 6 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11667] <... futex resumed>) = 0 [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11682] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11682] munmap(0x7fb91de38000, 138412032) = 0 [pid 11682] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11679] <... bpf resumed>) = 7 [pid 11668] <... bpf resumed>) = 7 [pid 11679] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... futex resumed>) = 0 [pid 11668] <... futex resumed>) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... futex resumed>) = 0 [pid 11668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11667] <... futex resumed>) = 0 [pid 11661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11668] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11679] <... futex resumed>) = 1 [pid 11679] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11668] <... bpf resumed>) = 8 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11679] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11667] <... futex resumed>) = 0 [pid 11661] <... futex resumed>) = 0 [pid 11668] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11667] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11661] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11661] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11679] <... futex resumed>) = 1 [pid 11679] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11668] <... bpf resumed>) = 9 [pid 11679] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11668] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11661] <... futex resumed>) = 0 [pid 11679] <... futex resumed>) = 1 [pid 11668] <... futex resumed>) = 1 [pid 11667] <... futex resumed>) = 0 [pid 11679] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11667] exit_group(0 [pid 11668] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11681] <... futex resumed>) = ? [pid 11667] <... exit_group resumed>) = ? [pid 11681] +++ exited with 0 +++ [pid 11682] <... openat resumed>) = 4 [ 163.959923][T11676] loop0: detected capacity change from 0 to 256 [ 163.981773][T11678] loop3: detected capacity change from 0 to 256 [ 163.989356][T11676] exfat: Bad value for 'uid' [ 163.992036][T11678] exfat: Bad value for 'uid' [pid 11682] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11682] close(3) = 0 [pid 11678] <... ioctl resumed>) = 0 [pid 11676] <... ioctl resumed>) = 0 [pid 11678] close(3 [pid 11676] close(3 [pid 11682] close(4 [pid 11678] <... close resumed>) = 0 [pid 11676] <... close resumed>) = 0 [pid 11682] <... close resumed>) = 0 [pid 11678] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11682] mkdir("./file0", 0777 [pid 11678] <... futex resumed>) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = 1 [pid 11675] <... futex resumed>) = 0 [pid 11682] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11678] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11677] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11675] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11682] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11675] <... futex resumed>) = 0 [pid 11682] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11678] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11677] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11676] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11675] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11678] <... socket resumed>) = 3 [pid 11676] <... socket resumed>) = 3 [pid 11678] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] <... futex resumed>) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = 1 [pid 11675] <... futex resumed>) = 0 [pid 11678] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11677] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11675] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11675] <... futex resumed>) = 0 [pid 11678] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11677] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11676] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11675] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11678] <... socket resumed>) = 4 [pid 11676] <... socket resumed>) = 4 [pid 11678] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] <... futex resumed>) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = 1 [pid 11675] <... futex resumed>) = 0 [pid 11678] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11677] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11675] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11675] <... futex resumed>) = 0 [pid 11678] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11677] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11676] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11675] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11668] +++ exited with 0 +++ [pid 11667] +++ exited with 0 +++ [pid 11678] <... sendto resumed>) = 32 [pid 11676] <... sendto resumed>) = 32 [pid 11678] recvfrom(4, [pid 11676] recvfrom(4, [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11667, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11678] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11677}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11676] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11675}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11678] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11678] <... futex resumed>) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = 1 [pid 11675] <... futex resumed>) = 0 [pid 11678] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11677] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11675] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 11678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11675] <... futex resumed>) = 0 [pid 11682] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11678] getsockname(4, [pid 11677] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11676] getsockname(4, [pid 11675] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11682] <... openat resumed>) = 3 [pid 11678] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11677, nl_groups=00000000}, [116 => 12]) = 0 [pid 11676] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11675, nl_groups=00000000}, [116 => 12]) = 0 [pid 11682] ioctl(3, LOOP_CLR_FD [pid 11678] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11678] <... futex resumed>) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = 1 [pid 11675] <... futex resumed>) = 0 [pid 11678] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11677] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11675] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11677] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11675] <... futex resumed>) = 0 [pid 11678] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9d\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11677] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11676] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9b\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11675] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... openat resumed>) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11684 ./strace-static-x86_64: Process 11684 attached [pid 11684] set_robust_list(0x5555555916a0, 24) = 0 [pid 11684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11684] setpgid(0, 0) = 0 [pid 11684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11684] write(3, "1000", 4) = 4 [pid 11684] close(3) = 0 [pid 11684] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11684] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11684] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11685 attached => {parent_tid=[11685]}, 88) = 11685 [pid 11685] set_robust_list(0x7fb9262589a0, 24 [pid 11684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11684] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11684] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11685] <... set_robust_list resumed>) = 0 [pid 11685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11685] memfd_create("syzkaller", 0) = 3 [pid 11685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11685] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11685] munmap(0x7fb91de38000, 138412032) = 0 [pid 11685] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11685] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11685] close(3) = 0 [pid 11685] close(4) = 0 [pid 11685] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 164.011459][T11682] loop2: detected capacity change from 0 to 256 [ 164.020450][T11682] exfat: Bad value for 'uid' [ 164.050915][T11685] loop1: detected capacity change from 0 to 256 [pid 11685] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11685] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11685] ioctl(3, LOOP_CLR_FD [pid 11665] <... sendmsg resumed>) = 64 [pid 11682] <... ioctl resumed>) = 0 [pid 11665] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11665] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11661] exit_group(0 [pid 11679] <... futex resumed>) = ? [pid 11665] <... futex resumed>) = ? [pid 11661] <... exit_group resumed>) = ? [pid 11682] close(3 [pid 11679] +++ exited with 0 +++ [pid 11665] +++ exited with 0 +++ [pid 11661] +++ exited with 0 +++ [pid 11682] <... close resumed>) = 0 [pid 11682] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11682] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11680] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11661, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11685] <... ioctl resumed>) = 0 [pid 11685] close(3) = 0 [pid 11685] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11684] <... futex resumed>) = 0 [pid 11684] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11684] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11685] <... futex resumed>) = 1 [pid 11685] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11685] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11684] <... futex resumed>) = 0 [pid 11684] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11684] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11685] <... futex resumed>) = 1 [pid 11685] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11685] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11684] <... futex resumed>) = 0 [pid 11682] <... futex resumed>) = 0 [pid 11680] <... futex resumed>) = 1 [pid 11684] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11684] <... futex resumed>) = 0 [pid 11684] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11682] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11680] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... openat resumed>) = 3 [pid 11685] <... futex resumed>) = 1 [pid 11682] <... socket resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11685] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11682] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11682] <... futex resumed>) = 1 [pid 11680] <... futex resumed>) = 0 [pid 300] close(3 [pid 11682] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11680] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11675] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 300] <... close resumed>) = 0 [pid 11682] <... socket resumed>) = 4 [pid 11680] <... futex resumed>) = 0 [pid 11677] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11685] <... sendto resumed>) = 32 [pid 11682] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11677] <... futex resumed>) = 0 [pid 11675] <... futex resumed>) = 0 [pid 11682] <... futex resumed>) = 0 [pid 11680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11687 [pid 11682] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11680] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11677] <... mmap resumed>) = 0x7fb926217000 [pid 11675] <... mmap resumed>) = 0x7fb926217000 [pid 11682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11680] <... futex resumed>) = 0 [pid 11677] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11675] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11682] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11680] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11677] <... mprotect resumed>) = 0 [pid 11675] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 11687 attached [pid 11685] recvfrom(4, [pid 11682] <... sendto resumed>) = 32 [pid 11677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11682] recvfrom(4, [pid 11677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11682] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11680}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11682] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11682] <... futex resumed>) = 1 [pid 11680] <... futex resumed>) = 0 [pid 11687] set_robust_list(0x5555555916a0, 24 [pid 11685] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11684}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11680] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] <... set_robust_list resumed>) = 0 [pid 11685] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11682] getsockname(4, [pid 11680] <... futex resumed>) = 0 [pid 11677] <... clone3 resumed> => {parent_tid=[11688]}, 88) = 11688 [pid 11675] <... clone3 resumed> => {parent_tid=[11689]}, 88) = 11689 [pid 11687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11685] <... futex resumed>) = 1 [pid 11684] <... futex resumed>) = 0 [pid 11682] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11680, nl_groups=00000000}, [116 => 12]) = 0 [pid 11680] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11677] rt_sigprocmask(SIG_SETMASK, [], [pid 11675] rt_sigprocmask(SIG_SETMASK, [], [pid 11687] <... prctl resumed>) = 0 [pid 11685] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11684] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11682] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11687] setpgid(0, 0 [pid 11685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11684] <... futex resumed>) = 0 [pid 11682] <... futex resumed>) = 0 [pid 11680] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11677] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] <... setpgid resumed>) = 0 [pid 11685] getsockname(4, [pid 11684] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11682] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa0\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11680] <... futex resumed>) = 0 [pid 11677] <... futex resumed>) = 0 [pid 11675] <... futex resumed>) = 0 [pid 11687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11685] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11684, nl_groups=00000000}, [116 => 12]) = 0 [pid 11687] <... openat resumed>) = 3 [pid 11685] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11677] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11675] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11687] write(3, "1000", 4 [pid 11685] <... futex resumed>) = 1 [pid 11684] <... futex resumed>) = 0 [pid 11687] <... write resumed>) = 4 [pid 11685] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11684] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] close(3 [pid 11685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11684] <... futex resumed>) = 0 [pid 11687] <... close resumed>) = 0 [pid 11685] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa4\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11684] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11687] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11687] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11687] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11687] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11691]}, 88) = 11691 [pid 11687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11687] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11687] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11688 attached [pid 11688] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11688] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11688] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11688] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11677] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11688] <... bpf resumed>) = 0 [pid 11677] <... futex resumed>) = 0 [pid 11677] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11688] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11677] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11677] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11688] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11688] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11689 attached [pid 11689] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11677] <... futex resumed>) = 0 [pid 11689] rt_sigprocmask(SIG_SETMASK, [], [pid 11677] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11688] <... futex resumed>) = 0 [pid 11677] <... futex resumed>) = 1 [pid 11677] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11689] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11688] <... bpf resumed>) = 7 [pid 11689] <... bpf resumed>) = 5 [pid 11689] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11688] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] <... futex resumed>) = 0 [pid 11688] <... futex resumed>) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11675] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11677] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] <... futex resumed>) = 0 [pid 11677] <... futex resumed>) = 0 [pid 11675] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11677] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11689] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11689] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11675] <... futex resumed>) = 0 [pid 11689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11675] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11689] <... bpf resumed>) = 6 [pid 11675] <... futex resumed>) = 0 [pid 11689] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11689] <... futex resumed>) = 0 [pid 11675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11675] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11675] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11689] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11689] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11675] <... futex resumed>) = 0 [pid 11689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11675] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 164.059893][T11685] exfat: Bad value for 'uid' [ 164.068064][ T1850] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 11675] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11689] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 11691 attached [pid 11691] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11691] memfd_create("syzkaller", 0) = 3 [pid 11691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11691] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11691] munmap(0x7fb91de38000, 138412032) = 0 [pid 11691] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11691] ioctl(4, LOOP_SET_FD, 3 [pid 11689] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11688] <... bpf resumed>) = 8 [pid 11691] <... ioctl resumed>) = 0 [pid 11691] close(3) = 0 [pid 11691] close(4) = 0 [pid 11691] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11691] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11689] <... futex resumed>) = 1 [pid 11688] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] <... futex resumed>) = 0 [pid 11689] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11688] <... futex resumed>) = 1 [pid 11677] <... futex resumed>) = 0 [pid 11675] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11689] <... bpf resumed>) = 9 [pid 11688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11677] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11675] <... futex resumed>) = 0 [pid 11689] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11688] <... bpf resumed>) = 9 [pid 11677] <... futex resumed>) = 0 [pid 11675] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11689] <... futex resumed>) = 0 [pid 11688] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11677] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11689] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11688] <... futex resumed>) = 0 [pid 11677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11688] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11691] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11691] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11691] ioctl(3, LOOP_CLR_FD [pid 11678] <... sendmsg resumed>) = 64 [pid 11678] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11677] exit_group(0 [pid 11688] <... futex resumed>) = ? [pid 11678] <... futex resumed>) = ? [pid 11677] <... exit_group resumed>) = ? [pid 11688] +++ exited with 0 +++ [pid 11684] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11680] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11678] +++ exited with 0 +++ [pid 11684] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11691] <... ioctl resumed>) = 0 [pid 11684] <... futex resumed>) = 0 [pid 11680] <... futex resumed>) = 0 [pid 11691] close(3 [pid 11684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11684] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11680] <... mmap resumed>) = 0x7fb926217000 [pid 11684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11680] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11684] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11680] <... mprotect resumed>) = 0 [pid 11684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11680] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11684] <... clone3 resumed> => {parent_tid=[11693]}, 88) = 11693 [pid 11680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11680] <... clone3 resumed> => {parent_tid=[11694]}, 88) = 11694 [pid 11684] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] rt_sigprocmask(SIG_SETMASK, [], [pid 11684] <... futex resumed>) = 0 [pid 11680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11684] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11680] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11680] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11694 attached [pid 11694] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11694] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11691] <... close resumed>) = 0 [pid 11691] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] <... futex resumed>) = 0 [pid 11691] <... futex resumed>) = 1 [pid 11687] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11691] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11687] <... futex resumed>) = 0 [pid 11691] <... socket resumed>) = 3 [pid 11687] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11694] <... bpf resumed>) = 5 [pid 11691] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11691] <... futex resumed>) = 1 [pid 11687] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11693 attached [pid 11691] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11687] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11691] <... socket resumed>) = 4 [pid 11687] <... futex resumed>) = 0 [pid 11691] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11680] <... futex resumed>) = 0 [pid 11694] <... futex resumed>) = 1 [pid 11693] set_robust_list(0x7fb9262379a0, 24 [pid 11691] <... futex resumed>) = 0 [pid 11687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11680] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11691] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11687] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] <... futex resumed>) = 0 [pid 11691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11687] <... futex resumed>) = 0 [pid 11691] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11687] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11680] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11694] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11693] <... set_robust_list resumed>) = 0 [pid 11691] <... sendto resumed>) = 32 [pid 11691] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11687}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11694] <... bpf resumed>) = 0 [pid 11693] rt_sigprocmask(SIG_SETMASK, [], [pid 11691] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11694] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11691] <... futex resumed>) = 1 [pid 11687] <... futex resumed>) = 0 [pid 11693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11691] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11687] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11687] <... futex resumed>) = 0 [pid 11691] getsockname(4, [pid 11687] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11691] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11687, nl_groups=00000000}, [116 => 12]) = 0 [pid 11677] +++ exited with 0 +++ [pid 11691] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11687] <... futex resumed>) = 0 [pid 11691] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11687] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11677, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11694] <... futex resumed>) = 1 [pid 11693] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11687] <... futex resumed>) = 0 [pid 11680] <... futex resumed>) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11694] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11691] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa7\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11687] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11680] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... restart_syscall resumed>) = 0 [pid 11694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11693] <... bpf resumed>) = 5 [pid 11680] <... futex resumed>) = 0 [pid 11680] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11693] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11696 [pid 11693] <... futex resumed>) = 1 [ 164.114449][T11691] loop4: detected capacity change from 0 to 256 [ 164.121598][T11691] exfat: Bad value for 'uid' [pid 11693] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11684] <... futex resumed>) = 0 [pid 11684] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11684] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11694] <... bpf resumed>) = 6 [pid 11694] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11696 attached [pid 11693] <... futex resumed>) = 0 [pid 11680] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11680] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11696] set_robust_list(0x5555555916a0, 24 [pid 11694] <... futex resumed>) = 1 [pid 11693] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11693] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11684] <... futex resumed>) = 0 [pid 11693] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11684] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11684] <... futex resumed>) = 0 [pid 11693] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11684] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11696] <... set_robust_list resumed>) = 0 [pid 11694] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11694] <... bpf resumed>) = 7 [pid 11696] setpgid(0, 0 [pid 11694] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11693] <... bpf resumed>) = 6 [pid 11696] <... setpgid resumed>) = 0 [pid 11694] <... futex resumed>) = 1 [pid 11693] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] <... futex resumed>) = 0 [pid 11694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11693] <... futex resumed>) = 1 [pid 11684] <... futex resumed>) = 0 [pid 11680] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11693] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11684] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11680] <... futex resumed>) = 0 [pid 11696] <... openat resumed>) = 3 [pid 11693] <... bpf resumed>) = 7 [pid 11684] <... futex resumed>) = 0 [pid 11680] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11696] write(3, "1000", 4 [pid 11693] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11684] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11696] <... write resumed>) = 4 [pid 11693] <... futex resumed>) = 0 [pid 11684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11696] close(3 [pid 11684] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] <... close resumed>) = 0 [pid 11693] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11684] <... futex resumed>) = 0 [pid 11696] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11693] <... bpf resumed>) = 8 [pid 11684] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11696] <... futex resumed>) = 0 [pid 11694] <... bpf resumed>) = 8 [pid 11693] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11684] <... futex resumed>) = 0 [pid 11696] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11694] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11693] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11684] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11694] <... futex resumed>) = 1 [pid 11693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11684] <... futex resumed>) = 0 [pid 11680] <... futex resumed>) = 0 [pid 11696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11694] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11693] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11684] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11680] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11680] <... futex resumed>) = 0 [pid 11696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11694] <... bpf resumed>) = 9 [pid 11693] <... bpf resumed>) = 9 [pid 11680] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11696] <... mmap resumed>) = 0x7fb926238000 [pid 11694] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11693] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11694] <... futex resumed>) = 1 [pid 11693] <... futex resumed>) = 1 [pid 11684] <... futex resumed>) = 0 [pid 11680] <... futex resumed>) = 0 [pid 11696] <... mprotect resumed>) = 0 [pid 11694] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11693] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11676] <... sendmsg resumed>) = 64 [pid 11696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11697]}, 88) = 11697 [pid 11696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11696] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11676] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] <... futex resumed>) = 0 [pid 11676] <... futex resumed>) = 0 [pid 11696] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11676] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11697 attached [pid 11697] set_robust_list(0x7fb9262589a0, 24 [pid 11675] exit_group(0 [pid 11697] <... set_robust_list resumed>) = 0 [pid 11689] <... futex resumed>) = ? [pid 11676] <... futex resumed>) = ? [pid 11675] <... exit_group resumed>) = ? [pid 11697] rt_sigprocmask(SIG_SETMASK, [], [pid 11689] +++ exited with 0 +++ [pid 11676] +++ exited with 0 +++ [pid 11675] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11697] memfd_create("syzkaller", 0) = 3 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 294] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 11697] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 294] <... close resumed>) = 0 [pid 11697] <... write resumed>) = 131072 [pid 11697] munmap(0x7fb91de38000, 138412032) = 0 [pid 11697] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11697] ioctl(4, LOOP_SET_FD, 3 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11698 ./strace-static-x86_64: Process 11698 attached [pid 11698] set_robust_list(0x5555555916a0, 24) = 0 [pid 11698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11698] setpgid(0, 0) = 0 [pid 11698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11698] write(3, "1000", 4) = 4 [pid 11698] close(3) = 0 [pid 11698] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11698] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11698] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11698] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11697] <... ioctl resumed>) = 0 [pid 11698] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11697] close(3) = 0 [pid 11698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11697] close(4 [pid 11698] <... clone3 resumed> => {parent_tid=[11699]}, 88) = 11699 [pid 11698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11698] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11698] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11699 attached [pid 11699] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11699] memfd_create("syzkaller", 0) = 3 [pid 11699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11699] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11699] munmap(0x7fb91de38000, 138412032) = 0 [pid 11699] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11699] ioctl(4, LOOP_SET_FD, 3 [pid 11697] <... close resumed>) = 0 [pid 11687] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11687] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] <... ioctl resumed>) = 0 [pid 11687] <... futex resumed>) = 0 [pid 11687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11699] close(3) = 0 [pid 11687] <... mmap resumed>) = 0x7fb926217000 [pid 11697] mkdir("./file0", 0777 [pid 11699] close(4 [pid 11687] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11687] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11685] <... sendmsg resumed>) = 64 [pid 11682] <... sendmsg resumed>) = 64 [pid 11687] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11685] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11682] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11699] <... close resumed>) = 0 [pid 11687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11697] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11685] <... futex resumed>) = 0 [pid 11682] <... futex resumed>) = 0 [pid 11685] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11682] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11687] <... clone3 resumed> => {parent_tid=[11700]}, 88) = 11700 [pid 11687] rt_sigprocmask(SIG_SETMASK, [], [pid 11684] exit_group(0 [pid 11680] exit_group(0 [pid 11694] <... futex resumed>) = ? [pid 11693] <... futex resumed>) = ? [pid 11687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11685] <... futex resumed>) = ? [pid 11684] <... exit_group resumed>) = ? [pid 11682] <... futex resumed>) = ? [pid 11680] <... exit_group resumed>) = ? [pid 11694] +++ exited with 0 +++ [pid 11693] +++ exited with 0 +++ [pid 11687] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11685] +++ exited with 0 +++ [pid 11682] +++ exited with 0 +++ [pid 11687] <... futex resumed>) = 0 [pid 11687] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11700 attached [pid 11700] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11700] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11700] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] <... futex resumed>) = 0 [pid 11687] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11687] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11700] <... futex resumed>) = 1 [pid 11700] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11700] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] <... futex resumed>) = 0 [pid 11687] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11687] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11700] <... futex resumed>) = 1 [pid 11700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11699] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11699] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11700] <... bpf resumed>) = 6 [pid 11700] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] <... futex resumed>) = 0 [pid 11687] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11687] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11700] <... futex resumed>) = 1 [pid 11700] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11697] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11697] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11697] ioctl(3, LOOP_CLR_FD [pid 11699] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11699] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11699] ioctl(3, LOOP_CLR_FD [pid 11680] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11684] +++ exited with 0 +++ [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11684, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 298] close(3 [pid 297] <... openat resumed>) = 3 [pid 298] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11701 [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11702 ./strace-static-x86_64: Process 11702 attached ./strace-static-x86_64: Process 11701 attached [pid 11702] set_robust_list(0x5555555916a0, 24) = 0 [pid 11702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11702] setpgid(0, 0) = 0 [pid 11702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11702] write(3, "1000", 4) = 4 [pid 11702] close(3) = 0 [pid 11702] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11702] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11702] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11701] set_robust_list(0x5555555916a0, 24) = 0 [pid 11701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11701] <... prctl resumed>) = 0 [pid 11701] setpgid(0, 0 [pid 11702] <... clone3 resumed> => {parent_tid=[11703]}, 88) = 11703 [pid 11702] rt_sigprocmask(SIG_SETMASK, [], [pid 11701] <... setpgid resumed>) = 0 [pid 11702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11702] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11702] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11701] <... openat resumed>) = 3 [pid 11701] write(3, "1000", 4) = 4 [pid 11701] close(3) = 0 [pid 11701] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11701] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11701] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11704 attached ./strace-static-x86_64: Process 11703 attached [pid 11703] set_robust_list(0x7fb9262589a0, 24 [pid 11701] <... clone3 resumed> => {parent_tid=[11704]}, 88) = 11704 [pid 11703] <... set_robust_list resumed>) = 0 [pid 11701] rt_sigprocmask(SIG_SETMASK, [], [pid 11704] set_robust_list(0x7fb9262589a0, 24 [pid 11703] rt_sigprocmask(SIG_SETMASK, [], [pid 11701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11704] <... set_robust_list resumed>) = 0 [pid 11704] rt_sigprocmask(SIG_SETMASK, [], [pid 11701] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11704] memfd_create("syzkaller", 0 [pid 11701] <... futex resumed>) = 0 [pid 11704] <... memfd_create resumed>) = 3 [pid 11704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11703] memfd_create("syzkaller", 0 [pid 11701] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11704] <... mmap resumed>) = 0x7fb91de38000 [pid 11703] <... memfd_create resumed>) = 3 [pid 11703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11704] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11703] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11704] <... write resumed>) = 131072 [pid 11704] munmap(0x7fb91de38000, 138412032 [pid 11703] <... write resumed>) = 131072 [pid 11704] <... munmap resumed>) = 0 [pid 11703] munmap(0x7fb91de38000, 138412032 [pid 11704] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11704] ioctl(4, LOOP_SET_FD, 3 [pid 11703] <... munmap resumed>) = 0 [ 164.205451][T11697] loop3: detected capacity change from 0 to 256 [ 164.218788][T11699] loop0: detected capacity change from 0 to 256 [ 164.235117][T11697] exfat: Bad value for 'uid' [ 164.236851][T11699] exfat: Bad value for 'uid' [pid 11703] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11703] ioctl(4, LOOP_SET_FD, 3 [pid 11704] <... ioctl resumed>) = 0 [pid 11697] <... ioctl resumed>) = 0 [pid 11704] close(3 [pid 11697] close(3 [pid 11704] <... close resumed>) = 0 [pid 11703] <... ioctl resumed>) = 0 [pid 11700] <... bpf resumed>) = 7 [pid 11699] <... ioctl resumed>) = 0 [pid 11697] <... close resumed>) = 0 [pid 11703] close(3 [pid 11700] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] close(3 [pid 11703] <... close resumed>) = 0 [pid 11700] <... futex resumed>) = 1 [pid 11699] <... close resumed>) = 0 [pid 11697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] <... futex resumed>) = 0 [pid 11703] close(4 [pid 11700] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11699] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] <... futex resumed>) = 1 [pid 11696] <... futex resumed>) = 0 [pid 11687] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] <... close resumed>) = 0 [pid 11700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11699] <... futex resumed>) = 1 [pid 11698] <... futex resumed>) = 0 [pid 11697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11696] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] <... futex resumed>) = 0 [pid 11703] mkdir("./file0", 0777 [pid 11700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11699] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11698] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11696] <... futex resumed>) = 0 [pid 11687] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11703] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11700] <... bpf resumed>) = 8 [pid 11699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] <... futex resumed>) = 0 [pid 11697] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11696] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11703] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11700] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11698] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11697] <... socket resumed>) = 3 [pid 11704] close(4 [pid 11697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11704] <... close resumed>) = 0 [pid 11703] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11700] <... futex resumed>) = 1 [pid 11699] <... socket resumed>) = 3 [pid 11697] <... futex resumed>) = 1 [pid 11696] <... futex resumed>) = 0 [pid 11687] <... futex resumed>) = 0 [pid 11704] mkdir("./file0", 0777 [pid 11703] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11700] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11699] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11696] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11704] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11703] <... openat resumed>) = 3 [pid 11700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11699] <... futex resumed>) = 1 [pid 11698] <... futex resumed>) = 0 [pid 11697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11696] <... futex resumed>) = 0 [pid 11687] <... futex resumed>) = 0 [pid 11704] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11700] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11699] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11698] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11696] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11687] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11704] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11703] ioctl(3, LOOP_CLR_FD [pid 11700] <... bpf resumed>) = 9 [pid 11699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] <... futex resumed>) = 0 [pid 11697] <... socket resumed>) = 4 [pid 11704] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11699] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11698] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11704] <... openat resumed>) = 3 [pid 11700] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] <... socket resumed>) = 4 [pid 11697] <... futex resumed>) = 1 [pid 11696] <... futex resumed>) = 0 [pid 11704] ioctl(3, LOOP_CLR_FD [pid 11699] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11696] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11700] <... futex resumed>) = 1 [pid 11699] <... futex resumed>) = 1 [pid 11698] <... futex resumed>) = 0 [pid 11697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11696] <... futex resumed>) = 0 [pid 11687] <... futex resumed>) = 0 [pid 11700] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11699] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11698] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11696] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11699] <... sendto resumed>) = 32 [pid 11698] <... futex resumed>) = 0 [pid 11697] <... sendto resumed>) = 32 [pid 11699] recvfrom(4, [pid 11698] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11697] recvfrom(4, [pid 11699] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11698}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11697] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11696}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11699] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11696] <... futex resumed>) = 0 [pid 11699] <... futex resumed>) = 1 [pid 11698] <... futex resumed>) = 0 [pid 11697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11696] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11698] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11696] <... futex resumed>) = 0 [pid 11699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] <... futex resumed>) = 0 [pid 11697] getsockname(4, [pid 11696] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11699] getsockname(4, [pid 11698] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11697] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11696, nl_groups=00000000}, [116 => 12]) = 0 [pid 11699] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11698, nl_groups=00000000}, [116 => 12]) = 0 [pid 11697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] <... futex resumed>) = 1 [pid 11696] <... futex resumed>) = 0 [pid 11699] <... futex resumed>) = 1 [pid 11698] <... futex resumed>) = 0 [pid 11697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11696] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11698] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11696] <... futex resumed>) = 0 [pid 11697] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb0\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11696] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] <... futex resumed>) = 0 [pid 11699] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb2\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11698] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11691] <... sendmsg resumed>) = 64 [pid 11691] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11687] exit_group(0 [pid 11700] <... futex resumed>) = ? [pid 11691] <... futex resumed>) = ? [pid 11687] <... exit_group resumed>) = ? [pid 11700] +++ exited with 0 +++ [pid 11691] +++ exited with 0 +++ [pid 11687] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11687, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11707 attached [pid 11707] set_robust_list(0x5555555916a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11707 [pid 11707] <... set_robust_list resumed>) = 0 [pid 11707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11707] setpgid(0, 0) = 0 [pid 11707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11707] write(3, "1000", 4) = 4 [pid 11707] close(3) = 0 [pid 11707] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11707] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11707] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11708 attached => {parent_tid=[11708]}, 88) = 11708 [pid 11707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11708] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 164.263257][T11704] loop2: detected capacity change from 0 to 256 [ 164.263772][T11703] loop1: detected capacity change from 0 to 256 [ 164.287549][T11703] exfat: Bad value for 'uid' [ 164.295445][T11704] exfat: Bad value for 'uid' [pid 11708] memfd_create("syzkaller", 0) = 3 [pid 11708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11708] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11708] munmap(0x7fb91de38000, 138412032) = 0 [pid 11708] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11708] ioctl(4, LOOP_SET_FD, 3 [pid 11703] <... ioctl resumed>) = 0 [pid 11703] close(3) = 0 [pid 11703] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11703] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11702] <... futex resumed>) = 0 [pid 11702] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] <... futex resumed>) = 0 [pid 11702] <... futex resumed>) = 1 [pid 11703] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11702] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11703] <... socket resumed>) = 3 [pid 11703] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11702] <... futex resumed>) = 0 [pid 11703] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11702] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11702] <... futex resumed>) = 0 [pid 11703] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11702] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11703] <... socket resumed>) = 4 [pid 11704] <... ioctl resumed>) = 0 [pid 11703] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11704] close(3 [pid 11703] <... futex resumed>) = 1 [pid 11702] <... futex resumed>) = 0 [pid 11708] <... ioctl resumed>) = 0 [pid 11704] <... close resumed>) = 0 [pid 11703] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11702] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11696] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11708] close(3 [pid 11704] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11702] <... futex resumed>) = 0 [pid 11698] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11708] <... close resumed>) = 0 [pid 11704] <... futex resumed>) = 1 [pid 11703] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11702] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11701] <... futex resumed>) = 0 [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11708] close(4 [pid 11704] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11703] <... sendto resumed>) = 32 [pid 11701] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11708] <... close resumed>) = 0 [pid 11704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11703] recvfrom(4, [pid 11701] <... futex resumed>) = 0 [pid 11698] <... mmap resumed>) = 0x7fb926217000 [pid 11696] <... mmap resumed>) = 0x7fb926217000 [pid 11708] mkdir("./file0", 0777 [pid 11704] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11703] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11702}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11701] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11698] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11696] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11708] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11704] <... socket resumed>) = 3 [pid 11703] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] <... mprotect resumed>) = 0 [pid 11696] <... mprotect resumed>) = 0 [pid 11708] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11704] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] <... futex resumed>) = 1 [pid 11702] <... futex resumed>) = 0 [pid 11698] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11704] <... futex resumed>) = 1 [pid 11701] <... futex resumed>) = 0 [pid 11698] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11704] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11701] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11701] <... futex resumed>) = 0 [pid 11704] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11701] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11698] <... clone3 resumed> => {parent_tid=[11709]}, 88) = 11709 [pid 11696] <... clone3 resumed> => {parent_tid=[11710]}, 88) = 11710 [pid 11704] <... socket resumed>) = 4 [pid 11698] rt_sigprocmask(SIG_SETMASK, [], [pid 11696] rt_sigprocmask(SIG_SETMASK, [], [pid 11704] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11704] <... futex resumed>) = 1 [pid 11701] <... futex resumed>) = 0 [pid 11698] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11704] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11701] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11701] <... futex resumed>) = 0 [pid 11698] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11696] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11704] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11703] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11702] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11701] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11704] <... sendto resumed>) = 32 [pid 11704] recvfrom(4, [pid 11703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11702] <... futex resumed>) = 0 [pid 11704] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11701}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11702] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11710 attached ./strace-static-x86_64: Process 11709 attached [pid 11708] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11704] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] getsockname(4, [pid 11704] <... futex resumed>) = 1 [pid 11701] <... futex resumed>) = 0 [pid 11704] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11701] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11701] <... futex resumed>) = 0 [pid 11704] getsockname(4, [pid 11701] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11704] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11701, nl_groups=00000000}, [116 => 12]) = 0 [pid 11704] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11701] <... futex resumed>) = 0 [pid 11704] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11701] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11702, nl_groups=00000000}, [116 => 12]) = 0 [pid 11708] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11710] set_robust_list(0x7fb9262379a0, 24 [pid 11709] set_robust_list(0x7fb9262379a0, 24 [pid 11704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11701] <... futex resumed>) = 0 [pid 11704] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb5\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11701] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11710] <... set_robust_list resumed>) = 0 [pid 11709] <... set_robust_list resumed>) = 0 [pid 11708] <... openat resumed>) = 3 [pid 11703] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] rt_sigprocmask(SIG_SETMASK, [], [pid 11709] rt_sigprocmask(SIG_SETMASK, [], [pid 11708] ioctl(3, LOOP_CLR_FD [pid 11703] <... futex resumed>) = 1 [pid 11702] <... futex resumed>) = 0 [pid 11710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11703] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11702] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11709] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11702] <... futex resumed>) = 0 [pid 11703] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb6\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11702] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11710] <... bpf resumed>) = 5 [pid 11709] <... bpf resumed>) = 5 [pid 11710] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11709] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... futex resumed>) = 1 [pid 11709] <... futex resumed>) = 1 [pid 11696] <... futex resumed>) = 0 [pid 11698] <... futex resumed>) = 0 [pid 11710] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11709] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11698] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11710] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11709] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11698] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11696] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11710] <... bpf resumed>) = 0 [pid 11709] <... bpf resumed>) = 0 [pid 11710] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11709] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... futex resumed>) = 1 [pid 11709] <... futex resumed>) = 1 [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11710] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11709] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11698] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11709] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11698] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11696] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11710] <... bpf resumed>) = 6 [pid 11709] <... bpf resumed>) = 6 [pid 11710] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11709] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... futex resumed>) = 1 [pid 11709] <... futex resumed>) = 1 [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11710] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11709] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11698] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11710] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11709] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11698] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11696] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11710] <... bpf resumed>) = 7 [pid 11709] <... bpf resumed>) = 7 [pid 11710] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11709] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... futex resumed>) = 1 [pid 11709] <... futex resumed>) = 1 [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11709] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11698] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... bpf resumed>) = 8 [pid 11709] <... bpf resumed>) = 8 [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11710] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11709] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11696] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11710] <... futex resumed>) = 0 [pid 11709] <... futex resumed>) = 0 [pid 11698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11710] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11709] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11698] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11696] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] <... futex resumed>) = 0 [pid 11696] <... futex resumed>) = 0 [pid 11710] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11709] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11710] <... bpf resumed>) = 9 [pid 11709] <... bpf resumed>) = 9 [pid 11698] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11696] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11710] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11709] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11710] <... futex resumed>) = 0 [pid 11709] <... futex resumed>) = 0 [pid 11710] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [ 164.345552][T11708] loop4: detected capacity change from 0 to 256 [ 164.364313][T11708] exfat: Bad value for 'uid' [pid 11709] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11708] <... ioctl resumed>) = 0 [pid 11708] close(3) = 0 [pid 11708] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11708] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11707] <... futex resumed>) = 0 [pid 11708] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11708] <... socket resumed>) = 3 [pid 11708] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11708] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11707] <... futex resumed>) = 0 [pid 11708] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11708] <... socket resumed>) = 4 [pid 11708] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11708] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11707] <... futex resumed>) = 0 [pid 11708] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11708] <... sendto resumed>) = 32 [pid 11708] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11707}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11708] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11708] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11707] <... futex resumed>) = 0 [pid 11708] getsockname(4, [pid 11707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11708] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11707, nl_groups=00000000}, [116 => 12]) = 0 [pid 11708] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11708] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11707] <... futex resumed>) = 0 [pid 11708] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xbb\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11707] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11701] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11701] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11714]}, 88) = 11714 ./strace-static-x86_64: Process 11714 attached [pid 11701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11701] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11701] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11714] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11702] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11714] rt_sigprocmask(SIG_SETMASK, [], [pid 11702] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11702] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11702] <... mprotect resumed>) = 0 [pid 11714] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11714] <... bpf resumed>) = 5 [pid 11702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11715]}, 88) = 11715 [pid 11702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11702] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11714] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11702] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11701] <... futex resumed>) = 0 [pid 11701] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11701] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11715 attached [pid 11715] set_robust_list(0x7fb9262379a0, 24 [pid 11714] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11715] <... set_robust_list resumed>) = 0 [pid 11714] <... bpf resumed>) = 0 [pid 11715] rt_sigprocmask(SIG_SETMASK, [], [pid 11714] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11714] <... futex resumed>) = 1 [pid 11701] <... futex resumed>) = 0 [pid 11715] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11701] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11715] <... bpf resumed>) = 5 [pid 11714] <... bpf resumed>) = 6 [pid 11701] <... futex resumed>) = 0 [pid 11701] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11715] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11714] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11715] <... futex resumed>) = 1 [pid 11714] <... futex resumed>) = 0 [pid 11702] <... futex resumed>) = 0 [pid 11701] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11715] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11714] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11702] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11701] <... futex resumed>) = 0 [pid 11715] <... bpf resumed>) = 0 [pid 11714] <... bpf resumed>) = 7 [pid 11702] <... futex resumed>) = 0 [pid 11701] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11715] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11714] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11702] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11714] <... futex resumed>) = 0 [pid 11715] <... futex resumed>) = 0 [pid 11702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11701] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11702] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11701] <... futex resumed>) = 0 [pid 11715] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11702] <... futex resumed>) = 0 [pid 11701] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11715] <... bpf resumed>) = 6 [pid 11714] <... bpf resumed>) = 8 [pid 11702] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11715] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11714] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11715] <... futex resumed>) = 1 [pid 11714] <... futex resumed>) = 1 [pid 11702] <... futex resumed>) = 0 [pid 11701] <... futex resumed>) = 0 [pid 11714] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11702] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11701] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11715] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11702] <... futex resumed>) = 0 [pid 11701] <... futex resumed>) = 0 [pid 11714] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11702] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11701] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11715] <... bpf resumed>) = 7 [pid 11714] <... bpf resumed>) = 9 [pid 11715] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11714] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11715] <... futex resumed>) = 1 [pid 11714] <... futex resumed>) = 1 [pid 11702] <... futex resumed>) = 0 [pid 11701] <... futex resumed>) = 0 [pid 11715] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11714] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11702] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11702] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11715] <... bpf resumed>) = 8 [pid 11715] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11702] <... futex resumed>) = 0 [pid 11715] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11702] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11715] <... bpf resumed>) = 9 [pid 11702] <... futex resumed>) = 0 [pid 11715] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11702] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11715] <... futex resumed>) = 0 [pid 11702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11715] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11697] <... sendmsg resumed>) = 64 [pid 11697] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11697] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11696] exit_group(0) = ? [pid 11710] <... futex resumed>) = ? [pid 11697] <... futex resumed>) = ? [pid 11710] +++ exited with 0 +++ [pid 11697] +++ exited with 0 +++ [pid 11696] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11696, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11716 [pid 11707] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11707] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 11716 attached ) = 0x7fb926217000 [pid 11716] set_robust_list(0x5555555916a0, 24 [pid 11707] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11716] <... set_robust_list resumed>) = 0 [pid 11707] <... mprotect resumed>) = 0 [pid 11716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11716] <... prctl resumed>) = 0 [pid 11707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11716] setpgid(0, 0 [pid 11707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11716] <... setpgid resumed>) = 0 [pid 11716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11707] <... clone3 resumed> => {parent_tid=[11717]}, 88) = 11717 ./strace-static-x86_64: Process 11717 attached [pid 11707] rt_sigprocmask(SIG_SETMASK, [], [pid 11717] set_robust_list(0x7fb9262379a0, 24 [pid 11716] <... openat resumed>) = 3 [pid 11707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11716] write(3, "1000", 4 [pid 11707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] <... write resumed>) = 4 [pid 11707] <... futex resumed>) = 0 [pid 11707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11716] close(3) = 0 [pid 11716] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11717] <... set_robust_list resumed>) = 0 [pid 11716] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11717] rt_sigprocmask(SIG_SETMASK, [], [pid 11716] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11717] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11716] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11717] <... bpf resumed>) = 5 [pid 11716] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11717] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11716] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11717] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11707] <... futex resumed>) = 0 [pid 11707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11717] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 11718 attached [pid 11716] <... clone3 resumed> => {parent_tid=[11718]}, 88) = 11718 [pid 11718] set_robust_list(0x7fb9262589a0, 24 [pid 11717] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11718] <... set_robust_list resumed>) = 0 [pid 11717] <... futex resumed>) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11717] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11718] rt_sigprocmask(SIG_SETMASK, [], [pid 11707] <... futex resumed>) = 0 [pid 11718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11717] <... bpf resumed>) = 6 [pid 11718] memfd_create("syzkaller", 0 [pid 11717] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11717] <... futex resumed>) = 0 [pid 11707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11717] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] <... memfd_create resumed>) = 3 [pid 11717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11707] <... futex resumed>) = 0 [pid 11717] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11717] <... bpf resumed>) = 7 [pid 11717] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11718] <... mmap resumed>) = 0x7fb91de38000 [pid 11717] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11707] <... futex resumed>) = 0 [pid 11717] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11699] <... sendmsg resumed>) = 64 [pid 11718] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11699] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11717] <... bpf resumed>) = 8 [pid 11699] <... futex resumed>) = 0 [pid 11718] <... write resumed>) = 131072 [pid 11717] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11699] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11718] munmap(0x7fb91de38000, 138412032 [pid 11717] <... futex resumed>) = 1 [pid 11707] <... futex resumed>) = 0 [pid 11718] <... munmap resumed>) = 0 [pid 11717] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11707] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11698] exit_group(0 [pid 11718] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11717] <... bpf resumed>) = 9 [pid 11707] <... futex resumed>) = 0 [pid 11718] <... openat resumed>) = 4 [pid 11717] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11709] <... futex resumed>) = ? [pid 11707] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11699] <... futex resumed>) = ? [pid 11698] <... exit_group resumed>) = ? [pid 11718] ioctl(4, LOOP_SET_FD, 3 [pid 11709] +++ exited with 0 +++ [pid 11699] +++ exited with 0 +++ [pid 11717] <... futex resumed>) = 0 [pid 11707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11698] +++ exited with 0 +++ [pid 11717] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11698, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11719 ./strace-static-x86_64: Process 11719 attached [pid 11719] set_robust_list(0x5555555916a0, 24) = 0 [pid 11718] <... ioctl resumed>) = 0 [pid 11719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11718] close(3 [pid 11719] <... prctl resumed>) = 0 [pid 11718] <... close resumed>) = 0 [pid 11719] setpgid(0, 0 [pid 11718] close(4 [pid 11719] <... setpgid resumed>) = 0 [pid 11719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11719] write(3, "1000", 4) = 4 [pid 11719] close(3) = 0 [pid 11719] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11719] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11719] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11720]}, 88) = 11720 [pid 11719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11703] <... sendmsg resumed>) = 64 [pid 11719] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11704] <... sendmsg resumed>) = 64 [pid 11703] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] <... futex resumed>) = 0 [pid 11718] <... close resumed>) = 0 [pid 11704] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11703] <... futex resumed>) = 0 [pid 11719] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11718] mkdir("./file0", 0777 [pid 11704] <... futex resumed>) = 0 [pid 11703] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11718] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11704] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11702] exit_group(0 [pid 11701] exit_group(0 [pid 11718] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11715] <... futex resumed>) = ? [pid 11714] <... futex resumed>) = ? [pid 11704] <... futex resumed>) = ? [pid 11703] <... futex resumed>) = ? [pid 11702] <... exit_group resumed>) = ? [pid 11701] <... exit_group resumed>) = ? [pid 11715] +++ exited with 0 +++ ./strace-static-x86_64: Process 11720 attached [pid 11720] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11720] memfd_create("syzkaller", 0) = 3 [pid 11720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11714] +++ exited with 0 +++ [pid 11704] +++ exited with 0 +++ [pid 11720] <... mmap resumed>) = 0x7fb91de38000 [pid 11703] +++ exited with 0 +++ [pid 11702] +++ exited with 0 +++ [pid 11718] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11718] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11702, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11718] <... openat resumed>) = 3 [pid 11718] ioctl(3, LOOP_CLR_FD [pid 11720] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 11720] <... write resumed>) = 131072 [pid 11720] munmap(0x7fb91de38000, 138412032) = 0 [pid 11720] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11720] ioctl(4, LOOP_SET_FD, 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11721 ./strace-static-x86_64: Process 11721 attached [pid 11721] set_robust_list(0x5555555916a0, 24) = 0 [pid 11721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11721] setpgid(0, 0) = 0 [pid 11721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11721] write(3, "1000", 4 [pid 11720] <... ioctl resumed>) = 0 [pid 11721] <... write resumed>) = 4 [pid 11720] close(3) = 0 [pid 11720] close(4) = 0 [pid 11721] close(3) = 0 [pid 11721] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11721] <... futex resumed>) = 0 [ 164.491498][T11718] loop3: detected capacity change from 0 to 256 [ 164.520692][T11718] exfat: Bad value for 'uid' [ 164.533420][T11720] loop0: detected capacity change from 0 to 256 [pid 11721] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11720] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11721] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11720] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11720] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11721] <... mmap resumed>) = 0x7fb926238000 [pid 11720] <... openat resumed>) = 3 [pid 11720] ioctl(3, LOOP_CLR_FD [pid 11721] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11721] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11722 attached => {parent_tid=[11722]}, 88) = 11722 [pid 11722] set_robust_list(0x7fb9262589a0, 24 [pid 11721] rt_sigprocmask(SIG_SETMASK, [], [pid 11722] <... set_robust_list resumed>) = 0 [pid 11721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11722] rt_sigprocmask(SIG_SETMASK, [], [pid 11721] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11721] <... futex resumed>) = 0 [pid 11721] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11722] memfd_create("syzkaller", 0) = 3 [pid 11722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11722] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11722] munmap(0x7fb91de38000, 138412032) = 0 [pid 11722] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11722] ioctl(4, LOOP_SET_FD, 3 [pid 11701] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11701, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11722] <... ioctl resumed>) = 0 [pid 11722] close(3) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11722] close(4 [pid 298] <... openat resumed>) = 3 [pid 11722] <... close resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11723 [pid 11722] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11722] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11720] <... ioctl resumed>) = 0 [pid 11718] <... ioctl resumed>) = 0 [pid 11720] close(3) = 0 [pid 11720] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11719] <... futex resumed>) = 0 [pid 11720] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11719] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] <... socket resumed>) = 3 [pid 11719] <... futex resumed>) = 0 [pid 11720] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11720] <... futex resumed>) = 0 [pid 11719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11720] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11719] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] <... socket resumed>) = 4 [pid 11719] <... futex resumed>) = 0 [pid 11720] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11718] close(3 [pid 11720] <... futex resumed>) = 0 [pid 11719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11720] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11719] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] <... close resumed>) = 0 [pid 11720] <... sendto resumed>) = 32 [pid 11719] <... futex resumed>) = 0 [pid 11718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] recvfrom(4, [pid 11719] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11718] <... futex resumed>) = 1 [pid 11716] <... futex resumed>) = 0 [pid 11720] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11719}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11720] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] <... futex resumed>) = 1 [pid 11719] <... futex resumed>) = 0 [pid 11720] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11719] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11719] <... futex resumed>) = 0 [pid 11720] getsockname(4, [pid 11719] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11720] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11719, nl_groups=00000000}, [116 => 12]) = 0 [pid 11716] <... futex resumed>) = 0 [pid 11720] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] <... socket resumed>) = 3 [pid 11716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11720] <... futex resumed>) = 1 [pid 11719] <... futex resumed>) = 0 [pid 11718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11719] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] <... futex resumed>) = 1 [pid 11716] <... futex resumed>) = 0 [pid 11720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11719] <... futex resumed>) = 0 [pid 11718] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11720] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc7\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11719] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11716] <... futex resumed>) = 0 [pid 11718] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11718] <... socket resumed>) = 4 [pid 11718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11716] <... futex resumed>) = 0 [pid 11718] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11716] <... futex resumed>) = 0 [pid 11716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11722] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11722] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11722] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11723 attached [pid 11723] set_robust_list(0x5555555916a0, 24) = 0 [pid 11723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11723] setpgid(0, 0) = 0 [pid 11723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11723] write(3, "1000", 4) = 4 [pid 11723] close(3) = 0 [pid 11723] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11723] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11723] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11725]}, 88) = 11725 [pid 11723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11725 attached [pid 11725] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11725] memfd_create("syzkaller", 0) = 3 [pid 11725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11725] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11725] munmap(0x7fb91de38000, 138412032) = 0 [pid 11725] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 164.542469][T11720] exfat: Bad value for 'uid' [ 164.554932][T11722] loop1: detected capacity change from 0 to 256 [ 164.565037][T11722] exfat: Bad value for 'uid' [pid 11725] ioctl(4, LOOP_SET_FD, 3 [pid 11708] <... sendmsg resumed>) = 64 [pid 11708] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11708] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11707] exit_group(0 [pid 11717] <... futex resumed>) = ? [pid 11708] <... futex resumed>) = ? [pid 11707] <... exit_group resumed>) = ? [pid 11725] <... ioctl resumed>) = 0 [pid 11717] +++ exited with 0 +++ [pid 11725] close(3 [pid 11708] +++ exited with 0 +++ [pid 11707] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11707, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11725] <... close resumed>) = 0 [pid 11725] close(4 [pid 11718] <... sendto resumed>) = 32 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 11718] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11716}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11725] <... close resumed>) = 0 [pid 300] <... restart_syscall resumed>) = 0 [pid 11718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11716] <... futex resumed>) = 0 [pid 11718] getsockname(4, [pid 11716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11716, nl_groups=00000000}, [116 => 12]) = 0 [pid 11716] <... futex resumed>) = 0 [pid 11718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11718] <... futex resumed>) = 0 [pid 11716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11718] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc4\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11716] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11716] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... openat resumed>) = 3 [pid 11725] mkdir("./file0", 0777 [pid 11722] <... ioctl resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11722] close(3 [pid 11725] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11722] <... close resumed>) = 0 [pid 300] close(3 [pid 11722] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... close resumed>) = 0 [pid 11725] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11722] <... futex resumed>) = 1 [pid 11721] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11721] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11722] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11721] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11722] <... socket resumed>) = 3 [pid 11722] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11727 ./strace-static-x86_64: Process 11727 attached [pid 11725] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11722] <... futex resumed>) = 1 [pid 11721] <... futex resumed>) = 0 [pid 11727] set_robust_list(0x5555555916a0, 24 [pid 11725] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11722] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11721] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11721] <... futex resumed>) = 0 [pid 11722] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11721] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11722] <... socket resumed>) = 4 [pid 11722] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11721] <... futex resumed>) = 0 [pid 11721] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11727] <... set_robust_list resumed>) = 0 [pid 11725] <... openat resumed>) = 3 [pid 11721] <... futex resumed>) = 0 [pid 11722] <... sendto resumed>) = 32 [pid 11721] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11722] recvfrom(4, [pid 11727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11725] ioctl(3, LOOP_CLR_FD [pid 11727] <... prctl resumed>) = 0 [pid 11722] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11721}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11727] setpgid(0, 0 [pid 11722] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11721] <... futex resumed>) = 0 [pid 11721] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] getsockname(4, [pid 11727] <... setpgid resumed>) = 0 [pid 11721] <... futex resumed>) = 0 [pid 11722] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11721, nl_groups=00000000}, [116 => 12]) = 0 [pid 11721] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11722] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... openat resumed>) = 3 [pid 11722] <... futex resumed>) = 1 [pid 11721] <... futex resumed>) = 0 [pid 11727] write(3, "1000", 4 [pid 11722] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc9\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11721] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... write resumed>) = 4 [pid 11727] close(3 [pid 11721] <... futex resumed>) = 0 [pid 11721] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11727] <... close resumed>) = 0 [pid 11727] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11727] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11727] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11719] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11719] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11719] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11730 attached [pid 11727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11719] <... clone3 resumed> => {parent_tid=[11730]}, 88) = 11730 [pid 11727] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11731]}, 88) = 11731 [pid 11727] rt_sigprocmask(SIG_SETMASK, [], [pid 11719] rt_sigprocmask(SIG_SETMASK, [], [pid 11727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11727] <... futex resumed>) = 0 [pid 11727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11730] set_robust_list(0x7fb9262379a0, 24 [pid 11719] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11730] <... set_robust_list resumed>) = 0 [pid 11719] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11730] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11731 attached [pid 11731] set_robust_list(0x7fb9262589a0, 24 [pid 11730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11731] <... set_robust_list resumed>) = 0 [pid 11730] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11731] memfd_create("syzkaller", 0) = 3 [pid 11731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11730] <... bpf resumed>) = 5 [pid 11730] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11730] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11719] <... futex resumed>) = 0 [pid 11719] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11725] <... ioctl resumed>) = 0 [pid 11730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11730] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11730] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11730] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11731] <... mmap resumed>) = 0x7fb91de38000 [pid 11725] close(3 [pid 11719] <... futex resumed>) = 1 [pid 11731] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11719] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11725] <... close resumed>) = 0 [pid 11719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11719] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] <... futex resumed>) = 0 [pid 11725] <... futex resumed>) = 1 [pid 11723] <... futex resumed>) = 0 [pid 11719] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11725] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11725] <... socket resumed>) = 3 [pid 11723] <... futex resumed>) = 0 [pid 11731] <... write resumed>) = 131072 [pid 11725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11725] <... futex resumed>) = 0 [pid 11723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11723] <... futex resumed>) = 0 [pid 11725] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11725] <... socket resumed>) = 4 [pid 11731] munmap(0x7fb91de38000, 138412032 [pid 11725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11731] <... munmap resumed>) = 0 [pid 11725] <... futex resumed>) = 1 [pid 11723] <... futex resumed>) = 0 [pid 11723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11725] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11723] <... futex resumed>) = 0 [pid 11723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11725] <... sendto resumed>) = 32 [pid 11731] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11730] <... futex resumed>) = 0 [pid 11725] recvfrom(4, [pid 11731] ioctl(4, LOOP_SET_FD, 3 [pid 11730] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [ 164.593470][T11725] loop2: detected capacity change from 0 to 256 [ 164.609939][T11725] exfat: Bad value for 'uid' [pid 11725] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11723}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11730] <... bpf resumed>) = 6 [pid 11725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11730] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11725] <... futex resumed>) = 1 [pid 11723] <... futex resumed>) = 0 [pid 11730] <... futex resumed>) = 1 [pid 11725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] <... futex resumed>) = 0 [pid 11730] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11723] <... futex resumed>) = 0 [pid 11719] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11725] getsockname(4, [pid 11723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11719] <... futex resumed>) = 0 [pid 11730] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11725] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11723, nl_groups=00000000}, [116 => 12]) = 0 [pid 11719] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11731] <... ioctl resumed>) = 0 [pid 11730] <... bpf resumed>) = 7 [pid 11725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11730] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11725] <... futex resumed>) = 1 [pid 11723] <... futex resumed>) = 0 [pid 11731] close(3 [pid 11730] <... futex resumed>) = 1 [pid 11725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] <... futex resumed>) = 0 [pid 11730] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11723] <... futex resumed>) = 0 [pid 11719] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11725] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xcb\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11723] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11719] <... futex resumed>) = 0 [pid 11731] <... close resumed>) = 0 [pid 11730] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11731] close(4) = 0 [pid 11731] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11719] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11730] <... bpf resumed>) = 8 [pid 11716] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11716] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11716] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11733]}, 88) = 11733 [pid 11716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11730] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11731] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11733 attached [pid 11730] <... futex resumed>) = 1 [pid 11719] <... futex resumed>) = 0 [pid 11733] set_robust_list(0x7fb9262379a0, 24 [pid 11730] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11719] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11733] <... set_robust_list resumed>) = 0 [pid 11730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11719] <... futex resumed>) = 0 [pid 11733] rt_sigprocmask(SIG_SETMASK, [], [pid 11730] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11719] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11731] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11730] <... bpf resumed>) = 9 [pid 11733] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11731] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11730] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11733] <... bpf resumed>) = 5 [pid 11731] <... openat resumed>) = 3 [pid 11730] <... futex resumed>) = 1 [pid 11719] <... futex resumed>) = 0 [pid 11733] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11730] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11731] ioctl(3, LOOP_CLR_FD [pid 11733] <... futex resumed>) = 1 [pid 11716] <... futex resumed>) = 0 [pid 11733] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11733] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11733] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11733] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11716] <... futex resumed>) = 0 [pid 11716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 11716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11733] <... futex resumed>) = 0 [pid 11716] <... futex resumed>) = 1 [pid 11733] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11733] <... bpf resumed>) = 6 [pid 11733] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] <... futex resumed>) = 0 [pid 11733] <... futex resumed>) = 1 [pid 11716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11733] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11716] <... futex resumed>) = 0 [pid 11733] <... bpf resumed>) = 7 [pid 11716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11733] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11716] <... futex resumed>) = 0 [pid 11733] <... futex resumed>) = 1 [pid 11716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11733] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11716] <... futex resumed>) = 0 [pid 11716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11733] <... bpf resumed>) = 8 [pid 11733] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11733] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11716] <... futex resumed>) = 0 [pid 11721] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11716] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11721] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11716] <... futex resumed>) = 1 [pid 11733] <... futex resumed>) = 0 [pid 11721] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11716] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11721] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11721] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11733] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11721] <... mprotect resumed>) = 0 [pid 11721] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11734 attached => {parent_tid=[11734]}, 88) = 11734 [pid 11733] <... bpf resumed>) = 9 [pid 11734] set_robust_list(0x7fb9262379a0, 24 [pid 11733] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11721] rt_sigprocmask(SIG_SETMASK, [], [pid 11734] <... set_robust_list resumed>) = 0 [pid 11733] <... futex resumed>) = 1 [pid 11721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11716] <... futex resumed>) = 0 [pid 11721] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11721] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11734] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11733] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11734] <... bpf resumed>) = 5 [pid 11734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11721] <... futex resumed>) = 0 [pid 11734] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11721] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11734] <... bpf resumed>) = 0 [pid 11721] <... futex resumed>) = 0 [pid 11734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11721] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11734] <... futex resumed>) = 0 [pid 11721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11734] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11721] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11734] <... bpf resumed>) = 6 [pid 11721] <... futex resumed>) = 0 [pid 11734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11721] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11734] <... futex resumed>) = 0 [pid 11721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11734] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11721] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11734] <... bpf resumed>) = 7 [pid 11721] <... futex resumed>) = 0 [pid 11734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11721] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11734] <... futex resumed>) = 0 [pid 11721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11734] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11721] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11734] <... bpf resumed>) = 8 [pid 11721] <... futex resumed>) = 0 [pid 11734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11721] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11734] <... futex resumed>) = 0 [pid 11721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11734] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11721] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11734] <... bpf resumed>) = 9 [pid 11721] <... futex resumed>) = 0 [pid 11734] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11721] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11734] <... futex resumed>) = 0 [pid 11721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11734] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11723] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11723] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [ 164.647210][T11731] loop4: detected capacity change from 0 to 256 [ 164.664478][T11731] exfat: Bad value for 'uid' [pid 11723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11735 attached [pid 11735] set_robust_list(0x7fb9262379a0, 24 [pid 11723] <... clone3 resumed> => {parent_tid=[11735]}, 88) = 11735 [pid 11735] <... set_robust_list resumed>) = 0 [pid 11723] rt_sigprocmask(SIG_SETMASK, [], [pid 11735] rt_sigprocmask(SIG_SETMASK, [], [pid 11723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11735] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11723] <... futex resumed>) = 0 [pid 11735] <... bpf resumed>) = 5 [pid 11723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11735] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11723] <... futex resumed>) = 0 [pid 11723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11735] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11735] <... bpf resumed>) = 0 [pid 11735] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11723] <... futex resumed>) = 0 [pid 11723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11735] <... bpf resumed>) = 6 [pid 11735] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11735] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] <... futex resumed>) = 0 [pid 11723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11731] <... ioctl resumed>) = 0 [pid 11720] <... sendmsg resumed>) = 64 [pid 11735] <... futex resumed>) = 0 [pid 11731] close(3 [pid 11723] <... futex resumed>) = 1 [pid 11720] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11719] exit_group(0 [pid 11735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11731] <... close resumed>) = 0 [pid 11723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11735] <... bpf resumed>) = 7 [pid 11731] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11730] <... futex resumed>) = ? [pid 11720] <... futex resumed>) = ? [pid 11719] <... exit_group resumed>) = ? [pid 11735] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11731] <... futex resumed>) = 1 [pid 11730] +++ exited with 0 +++ [pid 11727] <... futex resumed>) = 0 [pid 11720] +++ exited with 0 +++ [pid 11735] <... futex resumed>) = 1 [pid 11727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11723] <... futex resumed>) = 0 [pid 11719] +++ exited with 0 +++ [pid 11731] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11735] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11727] <... futex resumed>) = 0 [pid 11723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11731] <... socket resumed>) = 3 [pid 11727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11723] <... futex resumed>) = 0 [pid 11731] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11719, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11731] <... futex resumed>) = 0 [pid 11727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11731] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11727] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 11731] <... socket resumed>) = 4 [pid 11727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11731] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11731] <... futex resumed>) = 0 [pid 11727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11731] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11727] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 11735] <... bpf resumed>) = 8 [pid 11731] <... sendto resumed>) = 32 [pid 11727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] ioctl(3, LOOP_CLR_FD [pid 11731] recvfrom(4, [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11735] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11731] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11727}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 294] close(3 [pid 11735] <... futex resumed>) = 1 [pid 11731] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11723] <... futex resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 11735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11723] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11735] <... bpf resumed>) = 9 [pid 11723] <... futex resumed>) = 0 [pid 11735] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11723] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11735] <... futex resumed>) = 0 [pid 11723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11735] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11731] <... futex resumed>) = 1 [pid 11727] <... futex resumed>) = 0 [pid 11731] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11727] <... futex resumed>) = 0 [pid 11731] getsockname(4, [pid 11727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11731] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11727, nl_groups=00000000}, [116 => 12]) = 0 [pid 11731] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11727] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11736 [pid 11731] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11727] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11736 attached [pid 11731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11727] <... futex resumed>) = 0 [pid 11736] set_robust_list(0x5555555916a0, 24 [pid 11731] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xcf\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11727] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11736] <... set_robust_list resumed>) = 0 [pid 11736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11736] setpgid(0, 0) = 0 [pid 11736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11736] write(3, "1000", 4) = 4 [pid 11736] close(3) = 0 [pid 11736] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11736] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11736] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11738 attached => {parent_tid=[11738]}, 88) = 11738 [pid 11738] set_robust_list(0x7fb9262589a0, 24 [pid 11736] rt_sigprocmask(SIG_SETMASK, [], [pid 11738] <... set_robust_list resumed>) = 0 [pid 11736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11738] rt_sigprocmask(SIG_SETMASK, [], [pid 11736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11736] <... futex resumed>) = 0 [pid 11738] memfd_create("syzkaller", 0 [pid 11736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11738] <... memfd_create resumed>) = 3 [pid 11738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11738] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11738] munmap(0x7fb91de38000, 138412032) = 0 [pid 11738] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11738] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11738] close(3) = 0 [pid 11738] close(4) = 0 [pid 11738] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11738] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11738] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11738] ioctl(3, LOOP_CLR_FD [pid 11718] <... sendmsg resumed>) = 64 [pid 11722] <... sendmsg resumed>) = 64 [pid 11722] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11718] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11722] <... futex resumed>) = 0 [pid 11722] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11721] exit_group(0 [pid 11718] <... futex resumed>) = 0 [pid 11716] exit_group(0 [pid 11734] <... futex resumed>) = ? [pid 11733] <... futex resumed>) = ? [pid 11722] <... futex resumed>) = ? [pid 11721] <... exit_group resumed>) = ? [pid 11716] <... exit_group resumed>) = ? [pid 11734] +++ exited with 0 +++ [pid 11733] +++ exited with 0 +++ [pid 11722] +++ exited with 0 +++ [pid 11721] +++ exited with 0 +++ [pid 11718] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11721, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11739 ./strace-static-x86_64: Process 11739 attached [pid 11738] <... ioctl resumed>) = 0 [pid 11738] close(3) = 0 [pid 11738] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11738] <... futex resumed>) = 1 [pid 11736] <... futex resumed>) = 0 [pid 11727] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... futex resumed>) = 0 [pid 11738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11736] <... futex resumed>) = 0 [pid 11727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11738] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11727] <... mmap resumed>) = 0x7fb926217000 [pid 11738] <... socket resumed>) = 3 [pid 11727] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11738] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... mprotect resumed>) = 0 [pid 11738] <... futex resumed>) = 1 [pid 11736] <... futex resumed>) = 0 [pid 11727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11738] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11736] <... futex resumed>) = 0 [pid 11727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11738] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11738] <... socket resumed>) = 4 [pid 11727] <... clone3 resumed> => {parent_tid=[11740]}, 88) = 11740 [pid 11738] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] rt_sigprocmask(SIG_SETMASK, [], [pid 11738] <... futex resumed>) = 1 [pid 11736] <... futex resumed>) = 0 [pid 11727] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11740 attached [pid 11739] set_robust_list(0x5555555916a0, 24 [pid 11738] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11736] <... futex resumed>) = 0 [pid 11727] <... futex resumed>) = 0 [pid 11738] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11740] set_robust_list(0x7fb9262379a0, 24 [pid 11739] <... set_robust_list resumed>) = 0 [pid 11738] <... sendto resumed>) = 32 [pid 11738] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11736}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11740] <... set_robust_list resumed>) = 0 [pid 11739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11740] rt_sigprocmask(SIG_SETMASK, [], [pid 11739] <... prctl resumed>) = 0 [pid 11738] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11739] setpgid(0, 0 [pid 11738] <... futex resumed>) = 1 [pid 11736] <... futex resumed>) = 0 [pid 11740] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11739] <... setpgid resumed>) = 0 [pid 11738] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] <... bpf resumed>) = 5 [pid 11739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11736] <... futex resumed>) = 0 [pid 11740] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] getsockname(4, [pid 11736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11740] <... futex resumed>) = 1 [pid 11738] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11736, nl_groups=00000000}, [116 => 12]) = 0 [pid 11727] <... futex resumed>) = 0 [pid 11740] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11739] <... openat resumed>) = 3 [pid 11738] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11736] <... futex resumed>) = 0 [pid 11727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11736] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] <... futex resumed>) = 0 [pid 11738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11736] <... futex resumed>) = 0 [pid 11727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11738] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd8\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11736] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11740] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11740] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11727] <... futex resumed>) = 0 [pid 11740] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11740] <... bpf resumed>) = 6 [pid 11739] write(3, "1000", 4 [pid 11727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11740] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11740] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11739] <... write resumed>) = 4 [pid 11727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11739] close(3 [pid 11727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] <... futex resumed>) = 0 [pid 11739] <... close resumed>) = 0 [pid 11727] <... futex resumed>) = 1 [pid 11739] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11739] <... futex resumed>) = 0 [pid 11739] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11740] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11739] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11739] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11742]}, 88) = 11742 ./strace-static-x86_64: Process 11742 attached [pid 11739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11742] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11742] memfd_create("syzkaller", 0) = 3 [pid 11742] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11742] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11742] munmap(0x7fb91de38000, 138412032) = 0 [pid 11742] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 164.755596][T11738] loop0: detected capacity change from 0 to 256 [ 164.765358][T11738] exfat: Bad value for 'uid' [pid 11742] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11740] <... bpf resumed>) = 7 [pid 11716] +++ exited with 0 +++ [pid 11742] close(3) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11716, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11740] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] close(4) = 0 [pid 11740] <... futex resumed>) = 1 [pid 11727] <... futex resumed>) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11742] mkdir("./file0", 0777 [pid 11740] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... restart_syscall resumed>) = 0 [pid 11742] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11727] <... futex resumed>) = 0 [pid 11742] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11740] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11740] <... bpf resumed>) = 8 [pid 11740] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11740] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11727] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] <... futex resumed>) = 0 [pid 11727] <... futex resumed>) = 1 [pid 11740] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11727] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11742] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11740] <... bpf resumed>) = 9 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11742] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11740] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11727] <... futex resumed>) = 0 [pid 11740] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] <... openat resumed>) = 3 [pid 11742] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11742] ioctl(3, LOOP_CLR_FD [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11743 ./strace-static-x86_64: Process 11743 attached [pid 11743] set_robust_list(0x5555555916a0, 24) = 0 [pid 11743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11743] setpgid(0, 0) = 0 [pid 11743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11725] <... sendmsg resumed>) = 64 [pid 11743] <... openat resumed>) = 3 [pid 11725] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] write(3, "1000", 4 [pid 11725] <... futex resumed>) = 0 [pid 11725] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11723] exit_group(0 [pid 11743] <... write resumed>) = 4 [pid 11743] close(3 [pid 11723] <... exit_group resumed>) = ? [pid 11735] <... futex resumed>) = ? [pid 11725] <... futex resumed>) = ? [pid 11735] +++ exited with 0 +++ [pid 11743] <... close resumed>) = 0 [pid 11725] +++ exited with 0 +++ [pid 11743] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11743] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11743] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11744 attached [pid 11744] set_robust_list(0x7fb9262589a0, 24 [pid 11743] <... clone3 resumed> => {parent_tid=[11744]}, 88) = 11744 [pid 11744] <... set_robust_list resumed>) = 0 [pid 11744] rt_sigprocmask(SIG_SETMASK, [], [pid 11743] rt_sigprocmask(SIG_SETMASK, [], [pid 11744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11744] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11743] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11744] memfd_create("syzkaller", 0 [pid 11743] <... futex resumed>) = 0 [pid 11744] <... memfd_create resumed>) = 3 [pid 11744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11743] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11744] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11744] munmap(0x7fb91de38000, 138412032) = 0 [pid 11744] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11744] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11736] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11744] close(3) = 0 [pid 11736] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11744] close(4) = 0 [pid 11744] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11744] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11742] <... ioctl resumed>) = 0 [pid 11736] <... futex resumed>) = 0 [pid 11736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11742] close(3 [pid 11744] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11736] <... mmap resumed>) = 0x7fb926217000 [pid 11742] <... close resumed>) = 0 [pid 11736] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11742] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11744] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11744] ioctl(3, LOOP_CLR_FD [pid 11736] <... mprotect resumed>) = 0 [pid 11742] <... futex resumed>) = 1 [pid 11739] <... futex resumed>) = 0 [pid 11744] <... ioctl resumed>) = 0 [pid 11744] close(3) = 0 [pid 11744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] <... futex resumed>) = 0 [pid 11743] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11743] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11744] <... futex resumed>) = 1 [pid 11744] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11739] <... futex resumed>) = 0 [pid 11739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11736] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11742] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11744] <... socket resumed>) = 3 [pid 11744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11742] <... socket resumed>) = 3 [pid 11742] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11739] <... futex resumed>) = 0 [pid 11736] <... clone3 resumed> => {parent_tid=[11745]}, 88) = 11745 [pid 11742] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] rt_sigprocmask(SIG_SETMASK, [], [pid 11742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11739] <... futex resumed>) = 0 [pid 11743] <... futex resumed>) = 0 [pid 11743] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11742] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11743] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11742] <... socket resumed>) = 4 [pid 11744] <... futex resumed>) = 1 [pid 11744] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] <... futex resumed>) = 0 [pid 11742] <... futex resumed>) = 1 [pid 11739] <... futex resumed>) = 0 [pid 11736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11742] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11739] <... futex resumed>) = 0 [pid 11742] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11744] <... socket resumed>) = 4 [pid 11742] <... sendto resumed>) = 32 [pid 11744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11739}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11742] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11739] <... futex resumed>) = 0 [pid 11742] getsockname(4, [pid 11739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11744] <... futex resumed>) = 1 [pid 11743] <... futex resumed>) = 0 [pid 11742] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11739, nl_groups=00000000}, [116 => 12]) = 0 [pid 11739] <... futex resumed>) = 0 [pid 11744] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11743] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11744] <... sendto resumed>) = 32 [pid 11743] <... futex resumed>) = 0 [pid 11742] <... futex resumed>) = 0 [pid 11739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11744] recvfrom(4, [pid 11743] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11742] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11739] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11744] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11743}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11739] <... futex resumed>) = 0 [pid 11744] <... futex resumed>) = 1 [pid 11743] <... futex resumed>) = 0 [pid 11742] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdb\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11739] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11744] getsockname(4, [pid 11743] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11744] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11743, nl_groups=00000000}, [116 => 12]) = 0 [pid 11743] <... futex resumed>) = 0 [pid 11744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11744] <... futex resumed>) = 0 [pid 11743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 11745 attached [pid 11744] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdf\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11743] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11745] set_robust_list(0x7fb9262379a0, 24 [pid 11743] <... futex resumed>) = 0 [pid 11745] <... set_robust_list resumed>) = 0 [pid 11743] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11745] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11736] <... futex resumed>) = 0 [pid 11745] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11745] <... bpf resumed>) = 0 [pid 11736] <... futex resumed>) = 0 [pid 11745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11745] <... futex resumed>) = 0 [pid 11736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11745] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11745] <... bpf resumed>) = 6 [pid 11736] <... futex resumed>) = 0 [pid 11745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11745] <... futex resumed>) = 0 [pid 11736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11731] <... sendmsg resumed>) = 64 [pid 11723] +++ exited with 0 +++ [pid 11731] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11731] <... futex resumed>) = 0 [pid 11731] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11745] <... bpf resumed>) = 7 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11727] exit_group(0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11740] <... futex resumed>) = ? [pid 11731] <... futex resumed>) = ? [pid 11727] <... exit_group resumed>) = ? [pid 298] close(3 [pid 11740] +++ exited with 0 +++ [pid 298] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11747 [pid 11745] <... futex resumed>) = 1 [pid 11736] <... futex resumed>) = 0 [pid 11745] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11745] <... bpf resumed>) = 8 [pid 11745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] <... futex resumed>) = 0 [pid 11736] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11736] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11745] <... futex resumed>) = 1 ./strace-static-x86_64: Process 11747 attached [ 164.813479][T11742] loop1: detected capacity change from 0 to 256 [ 164.824752][T11742] exfat: Bad value for 'uid' [ 164.846863][T11744] loop3: detected capacity change from 0 to 256 [ 164.854119][T11744] exfat: Bad value for 'uid' [pid 11745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11747] set_robust_list(0x5555555916a0, 24) = 0 [pid 11747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11747] setpgid(0, 0) = 0 [pid 11747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11747] write(3, "1000", 4) = 4 [pid 11747] close(3) = 0 [pid 11747] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11747] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11747] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11747] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11731] +++ exited with 0 +++ [pid 11727] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11727, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11747] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11745] <... bpf resumed>) = 9 [pid 300] <... openat resumed>) = 3 [pid 11747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11745] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11745] <... futex resumed>) = 1 [pid 11736] <... futex resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11745] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] close(3./strace-static-x86_64: Process 11749 attached ) = 0 [pid 11747] <... clone3 resumed> => {parent_tid=[11749]}, 88) = 11749 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11749] set_robust_list(0x7fb9262589a0, 24 [pid 11747] rt_sigprocmask(SIG_SETMASK, [], [pid 11749] <... set_robust_list resumed>) = 0 [pid 11747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11750 [pid 11749] rt_sigprocmask(SIG_SETMASK, [], [pid 11747] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11747] <... futex resumed>) = 0 [pid 11749] memfd_create("syzkaller", 0 [pid 11747] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11749] <... memfd_create resumed>) = 3 [pid 11749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 11750 attached ) = 0x7fb91de38000 [pid 11750] set_robust_list(0x5555555916a0, 24) = 0 [pid 11750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11750] setpgid(0, 0) = 0 [pid 11750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11750] write(3, "1000", 4) = 4 [pid 11750] close(3) = 0 [pid 11750] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11749] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11750] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11750] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11751]}, 88) = 11751 ./strace-static-x86_64: Process 11751 attached [pid 11749] <... write resumed>) = 131072 [pid 11750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11749] munmap(0x7fb91de38000, 138412032 [pid 11750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11751] set_robust_list(0x7fb9262589a0, 24 [pid 11749] <... munmap resumed>) = 0 [pid 11751] <... set_robust_list resumed>) = 0 [pid 11749] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11749] ioctl(4, LOOP_SET_FD, 3 [pid 11751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11751] memfd_create("syzkaller", 0) = 3 [pid 11751] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11751] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11751] munmap(0x7fb91de38000, 138412032) = 0 [pid 11751] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11751] ioctl(4, LOOP_SET_FD, 3 [pid 11749] <... ioctl resumed>) = 0 [pid 11749] close(3) = 0 [pid 11749] close(4) = 0 [pid 11749] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11749] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11739] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11739] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11739] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11752]}, 88) = 11752 [pid 11739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11752 attached [pid 11751] <... ioctl resumed>) = 0 [pid 11743] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11752] set_robust_list(0x7fb9262379a0, 24 [pid 11743] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11752] <... set_robust_list resumed>) = 0 [pid 11743] <... futex resumed>) = 0 [pid 11752] rt_sigprocmask(SIG_SETMASK, [], [pid 11743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11743] <... mmap resumed>) = 0x7fb926217000 [pid 11752] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11743] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11752] <... bpf resumed>) = 5 [pid 11743] <... mprotect resumed>) = 0 [pid 11752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11752] <... futex resumed>) = 1 [pid 11743] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11739] <... futex resumed>) = 0 [pid 11752] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11738] <... sendmsg resumed>) = 64 [pid 11752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11749] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11739] <... futex resumed>) = 0 [pid 11752] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11743] <... clone3 resumed> => {parent_tid=[11753]}, 88) = 11753 [pid 11739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11738] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] exit_group(0 [pid 11752] <... bpf resumed>) = 0 [pid 11743] rt_sigprocmask(SIG_SETMASK, [], [pid 11752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11736] <... exit_group resumed>) = ? [pid 11745] <... futex resumed>) = ? [pid 11752] <... futex resumed>) = 1 [pid 11743] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11739] <... futex resumed>) = 0 [pid 11738] <... futex resumed>) = ? [pid 11752] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11743] <... futex resumed>) = 0 [pid 11739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11745] +++ exited with 0 +++ [pid 11743] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11739] <... futex resumed>) = 0 [pid 11752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11738] +++ exited with 0 +++ [pid 11752] <... bpf resumed>) = 6 [pid 11752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11739] <... futex resumed>) = 0 [pid 11752] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11736] +++ exited with 0 +++ [pid 11739] <... futex resumed>) = 0 [pid 11739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11751] close(3) = 0 ./strace-static-x86_64: Process 11753 attached [pid 11749] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11736, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11751] close(4 [pid 11753] set_robust_list(0x7fb9262379a0, 24 [pid 11751] <... close resumed>) = 0 [pid 11749] <... openat resumed>) = 3 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11749] ioctl(3, LOOP_CLR_FD [pid 294] <... restart_syscall resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11754 [pid 11751] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11751] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11753] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 11754 attached [pid 11753] rt_sigprocmask(SIG_SETMASK, [], [pid 11751] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11754] set_robust_list(0x5555555916a0, 24 [pid 11753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11754] <... set_robust_list resumed>) = 0 [pid 11753] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11751] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11753] <... bpf resumed>) = 5 [pid 11754] <... prctl resumed>) = 0 [pid 11753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11751] <... openat resumed>) = 3 [pid 11754] setpgid(0, 0 [pid 11753] <... futex resumed>) = 1 [pid 11743] <... futex resumed>) = 0 [pid 11754] <... setpgid resumed>) = 0 [pid 11753] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11751] ioctl(3, LOOP_CLR_FD [pid 11743] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11743] <... futex resumed>) = 0 [pid 11754] <... openat resumed>) = 3 [pid 11753] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11743] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11754] write(3, "1000", 4 [pid 11753] <... bpf resumed>) = 0 [pid 11754] <... write resumed>) = 4 [pid 11753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] close(3 [pid 11753] <... futex resumed>) = 1 [pid 11743] <... futex resumed>) = 0 [pid 11754] <... close resumed>) = 0 [pid 11753] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11743] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11743] <... futex resumed>) = 0 [pid 11754] <... futex resumed>) = 0 [pid 11753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11743] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11754] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11753] <... bpf resumed>) = 6 [pid 11754] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11752] <... bpf resumed>) = 7 [pid 11754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11753] <... futex resumed>) = 1 [pid 11752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] <... futex resumed>) = 0 [pid 11754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11753] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11752] <... futex resumed>) = 1 [pid 11743] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11739] <... futex resumed>) = 0 [pid 11754] <... mmap resumed>) = 0x7fb926238000 [pid 11753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11752] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11743] <... futex resumed>) = 0 [pid 11739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11743] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11739] <... futex resumed>) = 0 [pid 11754] <... mprotect resumed>) = 0 [pid 11753] <... bpf resumed>) = 7 [pid 11752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11755]}, 88) = 11755 [pid 11754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11755 attached [pid 11754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11753] <... futex resumed>) = 1 [pid 11752] <... bpf resumed>) = 8 [pid 11743] <... futex resumed>) = 0 [pid 11755] set_robust_list(0x7fb9262589a0, 24 [pid 11754] <... futex resumed>) = 0 [pid 11753] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11755] <... set_robust_list resumed>) = 0 [pid 11754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11752] <... futex resumed>) = 1 [pid 11743] <... futex resumed>) = 0 [pid 11739] <... futex resumed>) = 0 [pid 11755] rt_sigprocmask(SIG_SETMASK, [], [pid 11753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11752] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11743] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11739] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11739] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11755] memfd_create("syzkaller", 0) = 3 [pid 11753] <... bpf resumed>) = 8 [pid 11752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11752] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11755] <... mmap resumed>) = 0x7fb91de38000 [pid 11753] <... futex resumed>) = 1 [pid 11743] <... futex resumed>) = 0 [pid 11753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11752] <... bpf resumed>) = 9 [pid 11743] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11753] <... bpf resumed>) = 9 [pid 11752] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] <... futex resumed>) = 0 [pid 11755] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11753] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11752] <... futex resumed>) = 1 [pid 11743] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11739] <... futex resumed>) = 0 [pid 11753] <... futex resumed>) = 0 [pid 11752] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11753] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11755] <... write resumed>) = 131072 [pid 11755] munmap(0x7fb91de38000, 138412032) = 0 [pid 11755] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 164.910897][T11749] loop2: detected capacity change from 0 to 256 [ 164.914326][T11751] loop4: detected capacity change from 0 to 256 [ 164.924780][T11749] exfat: Bad value for 'uid' [ 164.937604][T11751] exfat: Bad value for 'uid' [pid 11755] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11755] close(3) = 0 [pid 11755] close(4) = 0 [pid 11755] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11755] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11749] <... ioctl resumed>) = 0 [pid 11742] <... sendmsg resumed>) = 64 [pid 11749] close(3 [pid 11742] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11749] <... close resumed>) = 0 [pid 11742] <... futex resumed>) = 0 [pid 11749] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11749] <... futex resumed>) = 1 [pid 11747] <... futex resumed>) = 0 [pid 11749] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11747] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11747] <... futex resumed>) = 0 [pid 11749] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11747] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11739] exit_group(0 [pid 11749] <... socket resumed>) = 3 [pid 11752] <... futex resumed>) = ? [pid 11749] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11742] <... futex resumed>) = ? [pid 11739] <... exit_group resumed>) = ? [pid 11749] <... futex resumed>) = 1 [pid 11747] <... futex resumed>) = 0 [pid 11742] +++ exited with 0 +++ [pid 11749] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11747] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11752] +++ exited with 0 +++ [pid 11749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11747] <... futex resumed>) = 0 [pid 11749] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11747] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11749] <... socket resumed>) = 4 [pid 11749] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11747] <... futex resumed>) = 0 [pid 11749] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11747] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11747] <... futex resumed>) = 0 [pid 11749] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11747] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11749] <... sendto resumed>) = 32 [pid 11749] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11747}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11755] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11749] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11747] <... futex resumed>) = 0 [pid 11749] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11747] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11747] <... futex resumed>) = 0 [pid 11749] getsockname(4, [pid 11747] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11749] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11747, nl_groups=00000000}, [116 => 12]) = 0 [pid 11749] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11747] <... futex resumed>) = 0 [pid 11749] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11747] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11747] <... futex resumed>) = 0 [pid 11749] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe3\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11747] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11755] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11755] ioctl(3, LOOP_CLR_FD [pid 11751] <... ioctl resumed>) = 0 [pid 11751] close(3) = 0 [pid 11751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11750] <... futex resumed>) = 0 [pid 11751] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11751] <... socket resumed>) = 3 [pid 11750] <... futex resumed>) = 0 [pid 11751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11751] <... futex resumed>) = 0 [pid 11750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11751] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11750] <... futex resumed>) = 0 [pid 11751] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11751] <... socket resumed>) = 4 [pid 11751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11750] <... futex resumed>) = 0 [pid 11751] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11750] <... futex resumed>) = 0 [pid 11751] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11751] <... sendto resumed>) = 32 [pid 11751] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11750}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11750] <... futex resumed>) = 0 [pid 11751] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11750] <... futex resumed>) = 0 [pid 11751] getsockname(4, [pid 11750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11751] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11750, nl_groups=00000000}, [116 => 12]) = 0 [pid 11751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11750] <... futex resumed>) = 0 [pid 11751] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11750] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11750] <... futex resumed>) = 0 [pid 11751] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe6\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11755] <... ioctl resumed>) = 0 [pid 11744] <... sendmsg resumed>) = 64 [pid 11739] +++ exited with 0 +++ [pid 11755] close(3 [pid 11744] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11743] exit_group(0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11739, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11755] <... close resumed>) = 0 [pid 11753] <... futex resumed>) = ? [pid 11744] <... futex resumed>) = ? [pid 11743] <... exit_group resumed>) = ? [ 164.955406][T11755] loop0: detected capacity change from 0 to 256 [ 164.962703][T11755] exfat: Bad value for 'uid' [pid 11755] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11753] +++ exited with 0 +++ [pid 11744] +++ exited with 0 +++ [pid 11743] +++ exited with 0 +++ [pid 11755] <... futex resumed>) = 1 [pid 11754] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11743, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11755] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... openat resumed>) = 3 [pid 11755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11754] <... futex resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 11755] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11755] <... socket resumed>) = 3 [pid 297] close(3 [pid 11755] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 11755] <... futex resumed>) = 1 [pid 11754] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11755] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11754] <... futex resumed>) = 0 [pid 11747] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11758 [pid 11755] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11747] <... futex resumed>) = 0 [pid 11755] <... socket resumed>) = 4 [pid 11747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11755] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] <... mmap resumed>) = 0x7fb926217000 [pid 11755] <... futex resumed>) = 1 [pid 11754] <... futex resumed>) = 0 [pid 11747] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11755] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] <... mprotect resumed>) = 0 [pid 11755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11754] <... futex resumed>) = 0 [pid 11747] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... openat resumed>) = 3 [pid 11755] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11747] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11755] <... sendto resumed>) = 32 [pid 11747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 299] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11758 attached [pid 11755] recvfrom(4, [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11758] set_robust_list(0x5555555916a0, 24 [pid 11755] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11754}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11747] <... clone3 resumed> => {parent_tid=[11759]}, 88) = 11759 [pid 299] close(3./strace-static-x86_64: Process 11759 attached [pid 11758] <... set_robust_list resumed>) = 0 [pid 11755] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... close resumed>) = 0 [pid 11759] set_robust_list(0x7fb9262379a0, 24 [pid 11758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11755] <... futex resumed>) = 1 [pid 11754] <... futex resumed>) = 0 [pid 11747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11759] <... set_robust_list resumed>) = 0 [pid 11758] <... prctl resumed>) = 0 [pid 11755] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11759] rt_sigprocmask(SIG_SETMASK, [], [pid 11758] setpgid(0, 0 [pid 11755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11754] <... futex resumed>) = 0 [pid 11747] <... futex resumed>) = 0 [pid 11759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11758] <... setpgid resumed>) = 0 [pid 11755] getsockname(4, [pid 11754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11747] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11759] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11755] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11754, nl_groups=00000000}, [116 => 12]) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11760 [pid 11759] <... bpf resumed>) = 5 [pid 11758] <... openat resumed>) = 3 [pid 11755] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11759] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] write(3, "1000", 4 [pid 11755] <... futex resumed>) = 1 [pid 11754] <... futex resumed>) = 0 [pid 11759] <... futex resumed>) = 1 [pid 11758] <... write resumed>) = 4 [pid 11755] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11754] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11760 attached [pid 11755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11754] <... futex resumed>) = 0 [pid 11747] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] set_robust_list(0x5555555916a0, 24 [pid 11755] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xea\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11754] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11747] <... futex resumed>) = 0 [pid 11758] close(3 [pid 11759] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11760] <... set_robust_list resumed>) = 0 [pid 11760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11760] setpgid(0, 0 [pid 11747] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] <... setpgid resumed>) = 0 [pid 11759] <... bpf resumed>) = 0 [pid 11758] <... close resumed>) = 0 [pid 11750] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11750] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11760] <... openat resumed>) = 3 [pid 11759] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11750] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11760] write(3, "1000", 4 [pid 11750] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] <... write resumed>) = 4 [pid 11750] <... futex resumed>) = 0 [pid 11760] close(3 [pid 11750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11760] <... close resumed>) = 0 [pid 11750] <... mmap resumed>) = 0x7fb926217000 [pid 11760] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11759] <... futex resumed>) = 1 [pid 11758] <... futex resumed>) = 0 [pid 11750] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11747] <... futex resumed>) = 0 [pid 11759] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11758] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11750] <... mprotect resumed>) = 0 [pid 11747] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11758] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11747] <... futex resumed>) = 0 [pid 11759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11747] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] <... futex resumed>) = 0 [pid 11759] <... bpf resumed>) = 6 [pid 11758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11760] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11759] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 11762 attached [pid 11759] <... futex resumed>) = 1 [pid 11747] <... futex resumed>) = 0 [pid 11762] set_robust_list(0x7fb9262379a0, 24 [pid 11759] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11758] <... mmap resumed>) = 0x7fb926238000 [pid 11750] <... clone3 resumed> => {parent_tid=[11762]}, 88) = 11762 [pid 11747] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] <... set_robust_list resumed>) = 0 [pid 11759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11758] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11750] rt_sigprocmask(SIG_SETMASK, [], [pid 11747] <... futex resumed>) = 0 [pid 11762] rt_sigprocmask(SIG_SETMASK, [], [pid 11759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11747] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11758] <... mprotect resumed>) = 0 [pid 11762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11750] <... futex resumed>) = 0 [pid 11762] <... bpf resumed>) = 5 [pid 11759] <... bpf resumed>) = 7 [pid 11758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11762] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11759] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11762] <... futex resumed>) = 1 [pid 11759] <... futex resumed>) = 1 [pid 11758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11750] <... futex resumed>) = 0 [pid 11747] <... futex resumed>) = 0 [pid 11762] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11759] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] <... bpf resumed>) = 0 [pid 11760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11758] <... clone3 resumed> => {parent_tid=[11763]}, 88) = 11763 [pid 11750] <... futex resumed>) = 0 [pid 11747] <... futex resumed>) = 0 [pid 11762] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] <... mmap resumed>) = 0x7fb926238000 [pid 11759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11758] rt_sigprocmask(SIG_SETMASK, [], [pid 11750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11747] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11762] <... futex resumed>) = 0 [pid 11758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11762] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] <... bpf resumed>) = 6 [pid 11758] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11750] <... futex resumed>) = 0 [pid 11762] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11758] <... futex resumed>) = 0 [pid 11759] <... bpf resumed>) = 8 [pid 11762] <... futex resumed>) = 0 [pid 11760] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11759] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11762] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] <... mprotect resumed>) = 0 [pid 11759] <... futex resumed>) = 1 [pid 11750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] <... futex resumed>) = 0 [pid 11762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11759] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11750] <... futex resumed>) = 0 [pid 11747] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11762] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11760] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11747] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11763 attached [pid 11762] <... bpf resumed>) = 7 [pid 11760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11747] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11762] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11750] <... futex resumed>) = 0 [pid 11762] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11759] <... bpf resumed>) = 9 [pid 11762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11750] <... futex resumed>) = 0 [pid 11762] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11759] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11764 attached [pid 11763] set_robust_list(0x7fb9262589a0, 24 [pid 11760] <... clone3 resumed> => {parent_tid=[11764]}, 88) = 11764 [pid 11759] <... futex resumed>) = 1 [pid 11747] <... futex resumed>) = 0 [pid 11764] set_robust_list(0x7fb9262589a0, 24 [pid 11763] <... set_robust_list resumed>) = 0 [pid 11762] <... bpf resumed>) = 8 [pid 11760] rt_sigprocmask(SIG_SETMASK, [], [pid 11759] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11764] <... set_robust_list resumed>) = 0 [pid 11763] rt_sigprocmask(SIG_SETMASK, [], [pid 11762] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11764] rt_sigprocmask(SIG_SETMASK, [], [pid 11763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11760] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11763] memfd_create("syzkaller", 0 [pid 11760] <... futex resumed>) = 0 [pid 11764] memfd_create("syzkaller", 0 [pid 11763] <... memfd_create resumed>) = 3 [pid 11760] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11750] <... futex resumed>) = 0 [pid 11749] <... sendmsg resumed>) = 64 [pid 11764] <... memfd_create resumed>) = 3 [pid 11763] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11750] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11749] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] exit_group(0 [pid 11764] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11763] <... mmap resumed>) = 0x7fb91de38000 [pid 11762] <... futex resumed>) = 1 [pid 11759] <... futex resumed>) = ? [pid 11750] <... futex resumed>) = 0 [pid 11749] <... futex resumed>) = ? [pid 11747] <... exit_group resumed>) = ? [pid 11762] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11759] +++ exited with 0 +++ [pid 11750] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11749] +++ exited with 0 +++ [pid 11764] <... mmap resumed>) = 0x7fb91de38000 [pid 11763] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11762] <... bpf resumed>) = 9 [pid 11763] <... write resumed>) = 131072 [pid 11762] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11750] <... futex resumed>) = 0 [pid 11763] munmap(0x7fb91de38000, 138412032 [pid 11762] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11763] <... munmap resumed>) = 0 [pid 11763] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11764] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11763] ioctl(4, LOOP_SET_FD, 3 [pid 11764] <... write resumed>) = 131072 [pid 11764] munmap(0x7fb91de38000, 138412032) = 0 [pid 11764] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11764] ioctl(4, LOOP_SET_FD, 3 [pid 11763] <... ioctl resumed>) = 0 [pid 11763] close(3) = 0 [pid 11763] close(4) = 0 [pid 11763] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11763] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11763] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11763] ioctl(3, LOOP_CLR_FD [pid 11764] <... ioctl resumed>) = 0 [pid 11764] close(3) = 0 [pid 11764] close(4) = 0 [pid 11764] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11764] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11751] <... sendmsg resumed>) = 64 [pid 11764] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11763] <... ioctl resumed>) = 0 [pid 11754] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11751] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11754] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11750] exit_group(0 [pid 11762] <... futex resumed>) = ? [pid 11754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11750] <... exit_group resumed>) = ? [pid 11763] close(3 [pid 11762] +++ exited with 0 +++ [pid 11754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11751] <... futex resumed>) = ? [pid 11754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11765]}, 88) = 11765 [pid 11754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11765 attached [pid 11763] <... close resumed>) = 0 [pid 11765] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11765] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11763] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11747] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11747, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11765] <... bpf resumed>) = 5 [pid 11765] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] <... futex resumed>) = 0 [pid 11763] <... futex resumed>) = 1 [pid 11758] <... futex resumed>) = 0 [pid 11754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 11758] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] <... futex resumed>) = 0 [pid 11763] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11758] <... futex resumed>) = 0 [pid 11754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11751] +++ exited with 0 +++ [pid 11750] +++ exited with 0 +++ [pid 11763] <... socket resumed>) = 3 [pid 11763] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11750, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11763] <... futex resumed>) = 0 [pid 11758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] <... openat resumed>) = 3 [pid 11763] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11758] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11758] <... futex resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11763] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11758] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11763] <... socket resumed>) = 4 [pid 298] close(3 [pid 11763] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 11763] <... futex resumed>) = 1 [pid 11758] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11763] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11758] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11758] <... futex resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11766 [pid 11763] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11758] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... openat resumed>) = 3 [pid 11763] <... sendto resumed>) = 32 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11763] recvfrom(4, [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11763] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11758}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 300] close(3 [pid 11763] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... close resumed>) = 0 [pid 11763] <... futex resumed>) = 1 [pid 11758] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11763] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11758] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11758] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11767 [pid 11764] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11763] getsockname(4, [pid 11758] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11764] <... openat resumed>) = 3 [pid 11763] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11758, nl_groups=00000000}, [116 => 12]) = 0 [pid 11764] ioctl(3, LOOP_CLR_FD [pid 11763] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11758] <... futex resumed>) = 0 [pid 11763] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11758] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11758] <... futex resumed>) = 0 [pid 11763] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xee\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11758] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11765] <... futex resumed>) = 1 [pid 11765] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11765] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] <... futex resumed>) = 0 [pid 11754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11765] <... futex resumed>) = 1 [pid 11765] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 11767 attached ./strace-static-x86_64: Process 11766 attached [pid 11767] set_robust_list(0x5555555916a0, 24 [pid 11765] <... bpf resumed>) = 6 [pid 11765] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11754] <... futex resumed>) = 0 [pid 11765] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11767] <... set_robust_list resumed>) = 0 [pid 11767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11767] setpgid(0, 0) = 0 [pid 11767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11767] write(3, "1000", 4) = 4 [pid 11767] close(3) = 0 [pid 11767] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11767] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11765] <... bpf resumed>) = 7 [pid 11767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11765] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11765] <... futex resumed>) = 1 [pid 11754] <... futex resumed>) = 0 [pid 11767] <... mmap resumed>) = 0x7fb926238000 [pid 11765] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11766] set_robust_list(0x5555555916a0, 24 [pid 11765] <... bpf resumed>) = 8 [pid 11754] <... futex resumed>) = 0 [pid 11767] <... mprotect resumed>) = 0 [pid 11766] <... set_robust_list resumed>) = 0 [pid 11765] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11765] <... futex resumed>) = 0 [pid 11767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11766] <... prctl resumed>) = 0 [pid 11765] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11754] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11766] setpgid(0, 0 [pid 11754] <... futex resumed>) = 0 [pid 11766] <... setpgid resumed>) = 0 [pid 11766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11754] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11767] <... clone3 resumed> => {parent_tid=[11769]}, 88) = 11769 [pid 11766] <... openat resumed>) = 3 [pid 11767] rt_sigprocmask(SIG_SETMASK, [], [pid 11766] write(3, "1000", 4 [pid 11765] <... bpf resumed>) = 9 [pid 11767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11766] <... write resumed>) = 4 [pid 11767] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] close(3 [pid 11765] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] <... futex resumed>) = 0 [pid 11766] <... close resumed>) = 0 [pid 11767] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11766] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11765] <... futex resumed>) = 1 [pid 11754] <... futex resumed>) = 0 [pid 11766] <... futex resumed>) = 0 [pid 11766] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11765] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11766] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 11769 attached ) = 0x7fb926238000 [pid 11769] set_robust_list(0x7fb9262589a0, 24 [pid 11766] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11769] <... set_robust_list resumed>) = 0 [pid 11766] <... mprotect resumed>) = 0 [pid 11766] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11769] rt_sigprocmask(SIG_SETMASK, [], [pid 11766] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11769] memfd_create("syzkaller", 0 [pid 11766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11770 attached [pid 11769] <... memfd_create resumed>) = 3 [pid 11770] set_robust_list(0x7fb9262589a0, 24 [pid 11769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11766] <... clone3 resumed> => {parent_tid=[11770]}, 88) = 11770 [pid 11769] <... mmap resumed>) = 0x7fb91de38000 [pid 11766] rt_sigprocmask(SIG_SETMASK, [], [pid 11770] <... set_robust_list resumed>) = 0 [pid 11766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11766] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11770] memfd_create("syzkaller", 0 [pid 11769] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11766] <... futex resumed>) = 0 [pid 11770] <... memfd_create resumed>) = 3 [pid 11766] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11769] <... write resumed>) = 131072 [pid 11755] <... sendmsg resumed>) = 64 [pid 11755] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11755] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11769] munmap(0x7fb91de38000, 138412032) = 0 [pid 11769] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11754] exit_group(0 [pid 11770] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11769] ioctl(4, LOOP_SET_FD, 3 [pid 11765] <... futex resumed>) = ? [pid 11755] <... futex resumed>) = ? [pid 11754] <... exit_group resumed>) = ? [pid 11770] <... write resumed>) = 131072 [pid 11765] +++ exited with 0 +++ [pid 11755] +++ exited with 0 +++ [pid 11770] munmap(0x7fb91de38000, 138412032) = 0 [pid 11770] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11754] +++ exited with 0 +++ [pid 11770] <... openat resumed>) = 4 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11754, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 165.062794][T11763] loop1: detected capacity change from 0 to 256 [ 165.069017][T11764] loop3: detected capacity change from 0 to 256 [ 165.069939][T11763] exfat: Bad value for 'uid' [ 165.084542][T11764] exfat: Bad value for 'uid' [pid 11770] ioctl(4, LOOP_SET_FD, 3 [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11771 [pid 11770] <... ioctl resumed>) = 0 [pid 11770] close(3) = 0 [pid 11770] close(4) = 0 [pid 11770] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11770] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11764] <... ioctl resumed>) = 0 [pid 11764] close(3) = 0 [pid 11764] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11770] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11770] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11770] ioctl(3, LOOP_CLR_FD [pid 11769] <... ioctl resumed>) = 0 [pid 11769] close(3) = 0 [pid 11769] close(4) = 0 [pid 11769] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11769] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11764] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11760] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11764] <... socket resumed>) = 3 [pid 11760] <... futex resumed>) = 0 [pid 11764] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11764] <... futex resumed>) = 0 [pid 11764] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11764] <... futex resumed>) = 0 [pid 11760] <... futex resumed>) = 1 [pid 11764] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11760] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11764] <... socket resumed>) = 4 [pid 11764] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11764] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] <... futex resumed>) = 0 [pid 11764] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11760] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11769] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11769] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11769] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11771 attached [pid 11771] set_robust_list(0x5555555916a0, 24) = 0 [pid 11771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11764] <... sendto resumed>) = 32 [pid 11764] recvfrom(4, [pid 11771] setpgid(0, 0) = 0 [pid 11771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11758] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11764] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11760}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11758] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11764] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] <... futex resumed>) = 0 [pid 11764] <... futex resumed>) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11764] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] <... mmap resumed>) = 0x7fb926217000 [pid 11764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] <... futex resumed>) = 0 [pid 11758] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11764] getsockname(4, [pid 11760] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11764] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11760, nl_groups=00000000}, [116 => 12]) = 0 [pid 11758] <... mprotect resumed>) = 0 [pid 11764] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11764] <... futex resumed>) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11764] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] <... futex resumed>) = 0 [pid 11764] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf0\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11760] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11758] <... clone3 resumed> => {parent_tid=[11772]}, 88) = 11772 [pid 11758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11758] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11758] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11771] <... openat resumed>) = 3 [pid 11771] write(3, "1000", 4) = 4 [pid 11771] close(3./strace-static-x86_64: Process 11772 attached ) = 0 [pid 11771] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11771] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11771] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11774]}, 88) = 11774 [pid 11771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11774 attached [pid 11774] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11774] rt_sigprocmask(SIG_SETMASK, [], [pid 11772] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11772] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11772] <... bpf resumed>) = 5 [pid 11772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] <... futex resumed>) = 0 [pid 11758] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11774] memfd_create("syzkaller", 0 [pid 11758] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11772] <... futex resumed>) = 1 [pid 11774] <... memfd_create resumed>) = 3 [pid 11774] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11772] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11758] <... futex resumed>) = 0 [pid 11758] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11758] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11772] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11758] <... futex resumed>) = 0 [pid 11758] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11758] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11772] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11774] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11772] <... bpf resumed>) = 7 [pid 11772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11758] <... futex resumed>) = 0 [pid 11758] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11758] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11774] <... write resumed>) = 131072 [pid 11772] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11774] munmap(0x7fb91de38000, 138412032) = 0 [pid 11774] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11774] ioctl(4, LOOP_SET_FD, 3 [pid 11772] <... bpf resumed>) = 8 [pid 11772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 165.130416][T11770] loop2: detected capacity change from 0 to 256 [ 165.130564][T11769] loop4: detected capacity change from 0 to 256 [ 165.138676][T11770] exfat: Bad value for 'uid' [ 165.148991][T11769] exfat: Bad value for 'uid' [pid 11772] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11758] <... futex resumed>) = 0 [pid 11758] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11758] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11772] <... futex resumed>) = 0 [pid 11772] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11774] <... ioctl resumed>) = 0 [pid 11774] close(3 [pid 11772] <... bpf resumed>) = 9 [pid 11774] <... close resumed>) = 0 [pid 11774] close(4) = 0 [pid 11774] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11774] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11772] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11763] <... sendmsg resumed>) = 64 [pid 11770] <... ioctl resumed>) = 0 [pid 11769] <... ioctl resumed>) = 0 [pid 11772] <... futex resumed>) = 1 [pid 11772] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11774] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11774] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11774] ioctl(3, LOOP_CLR_FD [pid 11763] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11770] close(3 [pid 11769] close(3 [pid 11763] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11769] <... close resumed>) = 0 [pid 11758] <... futex resumed>) = 0 [pid 11770] <... close resumed>) = 0 [pid 11770] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11769] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] exit_group(0 [pid 11770] <... futex resumed>) = 1 [pid 11769] <... futex resumed>) = 1 [pid 11767] <... futex resumed>) = 0 [pid 11763] <... futex resumed>) = ? [pid 11758] <... exit_group resumed>) = ? [pid 11772] <... futex resumed>) = ? [pid 11770] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11769] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11767] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] <... futex resumed>) = 0 [pid 11763] +++ exited with 0 +++ [pid 11760] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11769] <... socket resumed>) = 3 [pid 11767] <... futex resumed>) = 0 [pid 11769] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11769] <... futex resumed>) = 0 [pid 11767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11769] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11767] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11772] +++ exited with 0 +++ [pid 11766] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11758] +++ exited with 0 +++ [pid 11760] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11770] <... futex resumed>) = 0 [pid 11766] <... futex resumed>) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11770] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11766] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11770] <... socket resumed>) = 3 [pid 11760] <... mmap resumed>) = 0x7fb926217000 [pid 11770] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11770] <... futex resumed>) = 1 [pid 11766] <... futex resumed>) = 0 [pid 11770] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11769] <... socket resumed>) = 4 [pid 11767] <... futex resumed>) = 0 [pid 11766] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] <... mprotect resumed>) = 0 [pid 11770] <... socket resumed>) = 4 [pid 11766] <... futex resumed>) = 0 [pid 11770] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11769] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11766] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11758, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11770] <... futex resumed>) = 0 [pid 11769] <... futex resumed>) = 0 [pid 11767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11770] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11769] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11767] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11767] <... futex resumed>) = 0 [pid 11766] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11770] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11769] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11767] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11766] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] <... clone3 resumed> => {parent_tid=[11775]}, 88) = 11775 [pid 297] <... openat resumed>) = 3 [pid 11770] <... sendto resumed>) = 32 [pid 11769] <... sendto resumed>) = 32 [pid 11760] rt_sigprocmask(SIG_SETMASK, [], [pid 297] ioctl(3, LOOP_CLR_FD [pid 11770] recvfrom(4, [pid 11769] recvfrom(4, [pid 11760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11770] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11766}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11769] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11767}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11760] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 11770] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11769] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 11770] <... futex resumed>) = 1 [pid 11769] <... futex resumed>) = 1 [pid 11767] <... futex resumed>) = 0 [pid 11766] <... futex resumed>) = 0 [pid 11760] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11770] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11769] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11767] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11767] <... futex resumed>) = 0 [pid 11766] <... futex resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11776 [pid 11770] getsockname(4, [pid 11769] getsockname(4, [pid 11767] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11766] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11770] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11766, nl_groups=00000000}, [116 => 12]) = 0 [pid 11769] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11767, nl_groups=00000000}, [116 => 12]) = 0 [pid 11770] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11769] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11770] <... futex resumed>) = 1 [pid 11769] <... futex resumed>) = 1 [pid 11767] <... futex resumed>) = 0 [pid 11766] <... futex resumed>) = 0 [pid 11770] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11769] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11767] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11767] <... futex resumed>) = 0 [pid 11766] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11776 attached ./strace-static-x86_64: Process 11775 attached [pid 11770] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf6\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11769] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf7\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11767] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11766] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11776] set_robust_list(0x5555555916a0, 24 [pid 11775] set_robust_list(0x7fb9262379a0, 24 [pid 11776] <... set_robust_list resumed>) = 0 [pid 11775] <... set_robust_list resumed>) = 0 [pid 11776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11775] rt_sigprocmask(SIG_SETMASK, [], [pid 11776] <... prctl resumed>) = 0 [pid 11775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11776] setpgid(0, 0 [pid 11775] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11776] <... setpgid resumed>) = 0 [pid 11775] <... bpf resumed>) = 5 [pid 11776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11775] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11776] <... openat resumed>) = 3 [pid 11775] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11776] write(3, "1000", 4) = 4 [pid 11776] close(3) = 0 [pid 11776] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11776] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11760] <... futex resumed>) = 0 [pid 11776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11776] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11776] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11760] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11776] <... clone3 resumed> => {parent_tid=[11778]}, 88) = 11778 [pid 11776] rt_sigprocmask(SIG_SETMASK, [], [pid 11775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11775] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4./strace-static-x86_64: Process 11778 attached [pid 11776] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11776] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11775] <... bpf resumed>) = 0 [pid 11778] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11778] memfd_create("syzkaller", 0) = 3 [pid 11778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11775] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11775] <... futex resumed>) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11778] <... write resumed>) = 131072 [pid 11778] munmap(0x7fb91de38000, 138412032) = 0 [pid 11778] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11775] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [ 165.177453][T11774] loop0: detected capacity change from 0 to 256 [ 165.184757][T11774] exfat: Bad value for 'uid' [ 165.189833][ T1850] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 165.190594][ T295] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 11760] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] <... futex resumed>) = 0 [pid 11778] close(3) = 0 [pid 11778] close(4) = 0 [pid 11778] mkdir("./file0", 0777 [pid 11760] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11778] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11775] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11778] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11775] <... bpf resumed>) = 6 [pid 11775] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11775] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11760] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] <... futex resumed>) = 0 [pid 11775] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11760] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11778] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11775] <... bpf resumed>) = 7 [pid 11778] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11778] ioctl(3, LOOP_CLR_FD) = 0 [pid 11778] close(3) = 0 [pid 11778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11776] <... futex resumed>) = 0 [pid 11778] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11776] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11776] <... futex resumed>) = 0 [pid 11775] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11776] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11778] <... socket resumed>) = 3 [pid 11775] <... futex resumed>) = 1 [pid 11760] <... futex resumed>) = 0 [pid 11778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11776] <... futex resumed>) = 0 [pid 11778] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11776] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] <... socket resumed>) = 4 [pid 11776] <... futex resumed>) = 0 [pid 11778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11776] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11778] <... futex resumed>) = 0 [pid 11776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11760] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11778] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11776] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] <... sendto resumed>) = 32 [pid 11776] <... futex resumed>) = 0 [pid 11778] recvfrom(4, [pid 11776] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11778] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11776}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11774] <... ioctl resumed>) = 0 [pid 11778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11776] <... futex resumed>) = 0 [pid 11778] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11776] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11776] <... futex resumed>) = 0 [pid 11778] getsockname(4, [pid 11776] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11778] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11776, nl_groups=00000000}, [116 => 12]) = 0 [pid 11778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11776] <... futex resumed>) = 0 [pid 11778] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11776] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11776] <... futex resumed>) = 0 [pid 11778] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x00\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11776] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11774] close(3 [pid 11760] <... futex resumed>) = 0 [pid 11775] <... bpf resumed>) = 8 [pid 11774] <... close resumed>) = 0 [pid 11760] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11775] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11774] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11775] <... futex resumed>) = 0 [pid 11774] <... futex resumed>) = 1 [pid 11771] <... futex resumed>) = 0 [pid 11760] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11774] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] <... futex resumed>) = 0 [pid 11775] <... bpf resumed>) = 9 [pid 11774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11771] <... futex resumed>) = 0 [pid 11760] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11775] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11774] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11775] <... futex resumed>) = 0 [pid 11774] <... socket resumed>) = 3 [pid 11775] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11774] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11771] <... futex resumed>) = 0 [pid 11774] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11771] <... futex resumed>) = 0 [pid 11774] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11774] <... socket resumed>) = 4 [pid 11774] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11771] <... futex resumed>) = 0 [pid 11774] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11771] <... futex resumed>) = 0 [pid 11774] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11774] <... sendto resumed>) = 32 [pid 11767] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11766] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11774] recvfrom(4, [pid 11767] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11774] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11771}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11767] <... futex resumed>) = 0 [pid 11766] <... futex resumed>) = 0 [pid 11774] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11774] <... futex resumed>) = 1 [pid 11771] <... futex resumed>) = 0 [pid 11767] <... mmap resumed>) = 0x7fb926217000 [pid 11774] getsockname(4, [pid 11771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11766] <... mmap resumed>) = 0x7fb926217000 [pid 11774] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11771, nl_groups=00000000}, [116 => 12]) = 0 [pid 11771] <... futex resumed>) = 0 [pid 11767] <... mprotect resumed>) = 0 [pid 11766] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11774] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11774] <... futex resumed>) = 0 [pid 11771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11766] <... mprotect resumed>) = 0 [pid 11774] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11771] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11781 attached [pid 11774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11771] <... futex resumed>) = 0 [pid 11766] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11767] <... clone3 resumed> => {parent_tid=[11781]}, 88) = 11781 [pid 11767] rt_sigprocmask(SIG_SETMASK, [], [pid 11774] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfb\x2d\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11766] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11767] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11767] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11782 attached [pid 11766] <... clone3 resumed> => {parent_tid=[11782]}, 88) = 11782 [pid 11766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11782] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11766] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11766] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11781] set_robust_list(0x7fb9262379a0, 24 [pid 11782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11782] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11781] <... set_robust_list resumed>) = 0 [pid 11781] rt_sigprocmask(SIG_SETMASK, [], [pid 11782] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] <... futex resumed>) = 0 [pid 11766] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11766] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11782] <... futex resumed>) = 1 [pid 11782] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11782] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] <... futex resumed>) = 0 [pid 11766] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11766] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11782] <... futex resumed>) = 1 [pid 11782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11782] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11781] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11766] <... futex resumed>) = 0 [pid 11782] <... futex resumed>) = 1 [pid 11766] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11782] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11766] <... futex resumed>) = 0 [pid 11782] <... bpf resumed>) = 7 [pid 11781] <... bpf resumed>) = 5 [pid 11766] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11782] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11766] <... futex resumed>) = 0 [pid 11782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11766] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11782] <... bpf resumed>) = 8 [pid 11781] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] <... futex resumed>) = 0 [pid 11766] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11781] <... futex resumed>) = 1 [pid 11782] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] <... futex resumed>) = 0 [pid 11767] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11781] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11767] <... futex resumed>) = 0 [pid 11766] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11781] <... bpf resumed>) = 0 [pid 11767] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11766] <... futex resumed>) = 0 [pid 11766] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = 0 [pid 11781] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11782] <... futex resumed>) = 1 [pid 11782] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11781] <... futex resumed>) = 1 [pid 11767] <... futex resumed>) = 0 [pid 11767] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11767] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11782] <... bpf resumed>) = 9 [pid 11781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11782] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11766] <... futex resumed>) = 0 [pid 11782] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11781] <... bpf resumed>) = 6 [pid 11781] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11767] <... futex resumed>) = 0 [pid 11781] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11767] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11781] <... bpf resumed>) = 7 [pid 11767] <... futex resumed>) = 0 [ 165.237645][T11778] loop1: detected capacity change from 0 to 256 [ 165.245413][T11778] exfat: Bad value for 'uid' [pid 11781] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11767] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11781] <... futex resumed>) = 0 [pid 11767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11767] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11767] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11781] <... bpf resumed>) = 8 [pid 11781] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11767] <... futex resumed>) = 0 [pid 11781] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11767] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11781] <... bpf resumed>) = 9 [pid 11767] <... futex resumed>) = 0 [pid 11767] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11781] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11767] <... futex resumed>) = 0 [pid 11781] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11776] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11776] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11776] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11784]}, 88) = 11784 [pid 11776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11776] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 11784 attached [pid 11776] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11784] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11784] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11784] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11784] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11776] <... futex resumed>) = 0 [pid 11784] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11776] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11784] <... bpf resumed>) = 0 [pid 11776] <... futex resumed>) = 0 [pid 11784] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11776] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11784] <... futex resumed>) = 0 [pid 11776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11784] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11776] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11776] <... futex resumed>) = 0 [pid 11784] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11776] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11784] <... bpf resumed>) = 6 [pid 11764] <... sendmsg resumed>) = 64 [pid 11784] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11784] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11770] <... sendmsg resumed>) = 64 [pid 11764] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11760] exit_group(0 [pid 11776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11775] <... futex resumed>) = ? [pid 11770] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11766] exit_group(0 [pid 11764] <... futex resumed>) = ? [pid 11760] <... exit_group resumed>) = ? [pid 11782] <... futex resumed>) = ? [pid 11776] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11775] +++ exited with 0 +++ [pid 11770] <... futex resumed>) = ? [pid 11766] <... exit_group resumed>) = ? [pid 11764] +++ exited with 0 +++ [pid 11784] <... futex resumed>) = 0 [pid 11782] +++ exited with 0 +++ [pid 11776] <... futex resumed>) = 1 [pid 11770] +++ exited with 0 +++ [pid 11760] +++ exited with 0 +++ [pid 11784] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11776] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11760, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11785 ./strace-static-x86_64: Process 11785 attached [pid 11785] set_robust_list(0x5555555916a0, 24) = 0 [pid 11785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11785] setpgid(0, 0) = 0 [pid 11785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11785] write(3, "1000", 4) = 4 [pid 11785] close(3) = 0 [pid 11785] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11785] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11785] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11785] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11786]}, 88) = 11786 [pid 11785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11785] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11785] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11786 attached [pid 11786] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11786] memfd_create("syzkaller", 0) = 3 [pid 11786] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11771] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11771] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11771] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11771] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11787]}, 88) = 11787 [pid 11771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11787 attached [pid 11787] set_robust_list(0x7fb9262379a0, 24 [pid 11786] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11787] <... set_robust_list resumed>) = 0 [pid 11787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11787] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11786] <... write resumed>) = 131072 [pid 11786] munmap(0x7fb91de38000, 138412032 [pid 11787] <... bpf resumed>) = 5 [pid 11786] <... munmap resumed>) = 0 [pid 11787] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11786] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11787] <... futex resumed>) = 1 [pid 11786] <... openat resumed>) = 4 [pid 11771] <... futex resumed>) = 0 [pid 11771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11786] ioctl(4, LOOP_SET_FD, 3 [pid 11787] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11787] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11787] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11771] <... futex resumed>) = 0 [pid 11771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11787] <... futex resumed>) = 0 [pid 11787] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11787] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11771] <... futex resumed>) = 0 [pid 11771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11786] <... ioctl resumed>) = 0 [pid 11787] <... futex resumed>) = 1 [pid 11786] close(3 [pid 11787] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11786] <... close resumed>) = 0 [pid 11786] close(4) = 0 [pid 11786] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11786] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11786] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11786] ioctl(3, LOOP_CLR_FD [pid 11787] <... bpf resumed>) = 7 [pid 11784] <... bpf resumed>) = 7 [pid 11766] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11766, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11787] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... restart_syscall resumed>) = 0 [pid 11787] <... futex resumed>) = 1 [pid 11784] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11771] <... futex resumed>) = 0 [pid 11784] <... futex resumed>) = 1 [pid 11776] <... futex resumed>) = 0 [pid 11771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11787] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11776] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11771] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 11784] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11776] <... futex resumed>) = 0 [pid 11771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 11787] <... bpf resumed>) = 8 [pid 11784] <... bpf resumed>) = 8 [pid 11776] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... close resumed>) = 0 [pid 11784] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11784] <... futex resumed>) = 0 [pid 11776] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11787] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11784] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11776] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11788 attached [pid 11776] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11771] <... futex resumed>) = 0 [pid 11788] set_robust_list(0x5555555916a0, 24 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11788 [pid 11788] <... set_robust_list resumed>) = 0 [pid 11784] <... bpf resumed>) = 9 [pid 11771] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11784] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11771] <... futex resumed>) = 0 [pid 11788] <... prctl resumed>) = 0 [pid 11784] <... futex resumed>) = 1 [pid 11776] <... futex resumed>) = 0 [pid 11771] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11788] setpgid(0, 0 [pid 11784] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11788] <... setpgid resumed>) = 0 [pid 11788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11787] <... futex resumed>) = 1 [pid 11788] <... openat resumed>) = 3 [pid 11787] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11788] write(3, "1000", 4 [pid 11787] <... bpf resumed>) = 9 [pid 11774] <... sendmsg resumed>) = 64 [pid 11769] <... sendmsg resumed>) = 64 [pid 11787] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11774] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11787] <... futex resumed>) = 1 [pid 11786] <... ioctl resumed>) = 0 [pid 11771] <... futex resumed>) = 0 [pid 11769] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11787] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11771] exit_group(0 [pid 11767] exit_group(0 [pid 11787] <... futex resumed>) = ? [pid 11771] <... exit_group resumed>) = ? [pid 11767] <... exit_group resumed>) = ? [pid 11787] +++ exited with 0 +++ [pid 11781] <... futex resumed>) = ? [pid 11774] <... futex resumed>) = ? [pid 11769] <... futex resumed>) = ? [pid 11788] <... write resumed>) = 4 [pid 11788] close(3 [pid 11781] +++ exited with 0 +++ [pid 11788] <... close resumed>) = 0 [pid 11788] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11788] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11774] +++ exited with 0 +++ [pid 11771] +++ exited with 0 +++ [pid 11788] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11771, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11786] close(3 [pid 11788] <... mmap resumed>) = 0x7fb926238000 [pid 11786] <... close resumed>) = 0 [pid 11788] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11786] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11786] <... futex resumed>) = 1 [pid 11785] <... futex resumed>) = 0 [pid 11786] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11785] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 11788] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11785] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11786] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11785] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 11789 attached [pid 11786] <... socket resumed>) = 3 [pid 294] close(3 [pid 11789] set_robust_list(0x7fb9262589a0, 24 [pid 11788] <... clone3 resumed> => {parent_tid=[11789]}, 88) = 11789 [pid 11786] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 11788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11788] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11788] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11789] <... set_robust_list resumed>) = 0 [pid 11789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11789] memfd_create("syzkaller", 0) = 3 [pid 11789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11789] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11786] <... futex resumed>) = 1 [pid 11785] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11789] <... write resumed>) = 131072 [pid 11786] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11785] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11789] munmap(0x7fb91de38000, 138412032 [pid 11786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11785] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11790 [pid 11786] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11785] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11789] <... munmap resumed>) = 0 [pid 11786] <... socket resumed>) = 4 [pid 11786] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11789] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11786] <... futex resumed>) = 1 [pid 11785] <... futex resumed>) = 0 [pid 11786] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11785] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11785] <... futex resumed>) = 0 [pid 11786] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11785] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11790 attached [pid 11789] <... openat resumed>) = 4 [pid 11786] <... sendto resumed>) = 32 [ 165.337623][T11786] loop3: detected capacity change from 0 to 256 [ 165.346367][T11786] exfat: Bad value for 'uid' [pid 11789] ioctl(4, LOOP_SET_FD, 3 [pid 11786] recvfrom(4, [pid 11790] set_robust_list(0x5555555916a0, 24 [pid 11786] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11785}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11786] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11785] <... futex resumed>) = 0 [pid 11786] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11785] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11785] <... futex resumed>) = 0 [pid 11786] getsockname(4, [pid 11785] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11786] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11785, nl_groups=00000000}, [116 => 12]) = 0 [pid 11786] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11785] <... futex resumed>) = 0 [pid 11786] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11785] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11785] <... futex resumed>) = 0 [pid 11786] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x09\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11785] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11790] <... set_robust_list resumed>) = 0 [pid 11789] <... ioctl resumed>) = 0 [pid 11778] <... sendmsg resumed>) = 64 [pid 11778] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11776] exit_group(0 [pid 11784] <... futex resumed>) = ? [pid 11778] <... futex resumed>) = ? [pid 11776] <... exit_group resumed>) = ? [pid 11790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11789] close(3 [pid 11784] +++ exited with 0 +++ [pid 11778] +++ exited with 0 +++ [pid 11790] <... prctl resumed>) = 0 [pid 11789] <... close resumed>) = 0 [pid 11790] setpgid(0, 0) = 0 [pid 11790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11789] close(4 [pid 11790] <... openat resumed>) = 3 [pid 11789] <... close resumed>) = 0 [pid 11790] write(3, "1000", 4 [pid 11789] mkdir("./file0", 0777 [pid 11790] <... write resumed>) = 4 [pid 11790] close(3) = 0 [pid 11790] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11769] +++ exited with 0 +++ [pid 11767] +++ exited with 0 +++ [pid 11790] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11776] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11776, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11767, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11790] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 300] <... openat resumed>) = 3 [pid 11790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 300] ioctl(3, LOOP_CLR_FD [pid 297] <... openat resumed>) = 3 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] ioctl(3, LOOP_CLR_FD [pid 300] close(3 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] <... close resumed>) = 0 [pid 297] close(3 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... close resumed>) = 0 [pid 11790] <... clone3 resumed> => {parent_tid=[11792]}, 88) = 11792 [pid 11790] rt_sigprocmask(SIG_SETMASK, [], [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11793 [pid 11790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11790] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11794 [pid 11789] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11789] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11794 attached [pid 11794] set_robust_list(0x5555555916a0, 24) = 0 [pid 11789] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11789] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11789] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11792 attached [pid 11792] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11792] memfd_create("syzkaller", 0) = 3 [pid 11792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11794] <... prctl resumed>) = 0 [pid 11794] setpgid(0, 0./strace-static-x86_64: Process 11793 attached ) = 0 [pid 11793] set_robust_list(0x5555555916a0, 24) = 0 [pid 11792] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11794] <... openat resumed>) = 3 [pid 11792] <... write resumed>) = 131072 [pid 11794] write(3, "1000", 4 [pid 11793] <... prctl resumed>) = 0 [pid 11792] munmap(0x7fb91de38000, 138412032 [pid 11794] <... write resumed>) = 4 [pid 11794] close(3) = 0 [pid 11794] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11793] setpgid(0, 0 [pid 11794] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11794] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11793] <... setpgid resumed>) = 0 [pid 11794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11795]}, 88) = 11795 [pid 11793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11795 attached [pid 11795] set_robust_list(0x7fb9262589a0, 24 [pid 11793] <... openat resumed>) = 3 [pid 11795] <... set_robust_list resumed>) = 0 [pid 11795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11793] write(3, "1000", 4 [pid 11792] <... munmap resumed>) = 0 [pid 11795] memfd_create("syzkaller", 0) = 3 [pid 11795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11793] <... write resumed>) = 4 [pid 11792] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11793] close(3 [pid 11792] <... openat resumed>) = 4 [pid 11793] <... close resumed>) = 0 [pid 11793] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11793] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11795] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11792] ioctl(4, LOOP_SET_FD, 3 [pid 11793] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11793] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11795] <... write resumed>) = 131072 [pid 11795] munmap(0x7fb91de38000, 138412032) = 0 [pid 11795] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11795] ioctl(4, LOOP_SET_FD, 3 [pid 11793] <... mprotect resumed>) = 0 [pid 11792] <... ioctl resumed>) = 0 [pid 11793] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11796]}, 88) = 11796 [pid 11793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11793] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11793] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11792] close(3) = 0 [pid 11792] close(4) = 0 [pid 11792] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 165.394850][T11789] loop2: detected capacity change from 0 to 256 [ 165.412391][T11789] exfat: Bad value for 'uid' [ 165.429387][T11792] loop0: detected capacity change from 0 to 256 [ 165.430069][T11795] loop1: detected capacity change from 0 to 256 [pid 11792] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11796 attached [pid 11795] <... ioctl resumed>) = 0 [pid 11796] set_robust_list(0x7fb9262589a0, 24 [pid 11795] close(3 [pid 11792] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11796] <... set_robust_list resumed>) = 0 [pid 11796] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11795] <... close resumed>) = 0 [pid 11792] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11785] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11796] memfd_create("syzkaller", 0 [pid 11785] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11795] close(4 [pid 11785] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11785] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11785] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11796] <... memfd_create resumed>) = 3 [pid 11796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11785] <... mprotect resumed>) = 0 [pid 11785] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11797 attached [pid 11796] <... mmap resumed>) = 0x7fb91de38000 [pid 11795] <... close resumed>) = 0 [pid 11792] <... openat resumed>) = 3 [pid 11785] <... clone3 resumed> => {parent_tid=[11797]}, 88) = 11797 [pid 11796] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11795] mkdir("./file0", 0777 [pid 11796] <... write resumed>) = 131072 [pid 11795] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11796] munmap(0x7fb91de38000, 138412032 [pid 11795] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11797] set_robust_list(0x7fb9262379a0, 24 [pid 11796] <... munmap resumed>) = 0 [pid 11792] ioctl(3, LOOP_CLR_FD [pid 11785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11785] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11785] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11797] <... set_robust_list resumed>) = 0 [pid 11797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11797] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11797] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11785] <... futex resumed>) = 0 [pid 11785] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11785] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11797] <... futex resumed>) = 1 [pid 11797] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11797] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11785] <... futex resumed>) = 0 [pid 11785] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11785] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11797] <... futex resumed>) = 1 [pid 11797] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11797] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11785] <... futex resumed>) = 0 [pid 11785] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11785] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11797] <... futex resumed>) = 1 [pid 11797] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11796] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11795] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11797] <... bpf resumed>) = 7 [pid 11797] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11785] <... futex resumed>) = 0 [pid 11785] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11796] <... openat resumed>) = 4 [pid 11789] <... ioctl resumed>) = 0 [pid 11785] <... futex resumed>) = 0 [pid 11789] close(3 [pid 11785] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11797] <... futex resumed>) = 1 [pid 11796] ioctl(4, LOOP_SET_FD, 3 [pid 11795] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11789] <... close resumed>) = 0 [pid 11797] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11797] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11785] <... futex resumed>) = 0 [pid 11785] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11785] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11797] <... futex resumed>) = 1 [pid 11797] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11789] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] <... openat resumed>) = 3 [pid 11796] <... ioctl resumed>) = 0 [pid 11789] <... futex resumed>) = 1 [pid 11788] <... futex resumed>) = 0 [pid 11796] close(3 [pid 11795] ioctl(3, LOOP_CLR_FD [pid 11788] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11789] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11788] <... futex resumed>) = 0 [pid 11797] <... bpf resumed>) = 9 [pid 11797] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11785] <... futex resumed>) = 0 [pid 11797] <... futex resumed>) = 1 [pid 11789] <... socket resumed>) = 3 [pid 11788] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11797] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11789] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11788] <... futex resumed>) = 0 [pid 11796] <... close resumed>) = 0 [pid 11789] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11788] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] <... futex resumed>) = 0 [pid 11796] close(4 [pid 11789] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11788] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11796] <... close resumed>) = 0 [pid 11789] <... socket resumed>) = 4 [pid 11789] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11788] <... futex resumed>) = 0 [pid 11789] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11788] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] <... futex resumed>) = 0 [pid 11789] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11788] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11789] <... sendto resumed>) = 32 [pid 11789] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11788}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11796] mkdir("./file0", 0777 [pid 11789] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11796] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11789] <... futex resumed>) = 1 [pid 11796] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11788] <... futex resumed>) = 0 [pid 11789] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11796] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11796] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11789] getsockname(4, [pid 11788] <... futex resumed>) = 0 [pid 11789] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11788, nl_groups=00000000}, [116 => 12]) = 0 [pid 11788] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11796] <... openat resumed>) = 3 [pid 11789] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11796] ioctl(3, LOOP_CLR_FD [pid 11789] <... futex resumed>) = 1 [pid 11788] <... futex resumed>) = 0 [pid 11789] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11788] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] <... futex resumed>) = 0 [pid 11789] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0c\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11788] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11792] <... ioctl resumed>) = 0 [pid 11792] close(3) = 0 [pid 11792] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11790] <... futex resumed>) = 0 [pid 11792] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11790] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11790] <... futex resumed>) = 0 [pid 11792] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11790] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11792] <... socket resumed>) = 3 [pid 11792] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11792] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11790] <... futex resumed>) = 0 [pid 11790] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11792] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11790] <... futex resumed>) = 0 [pid 11792] <... socket resumed>) = 4 [pid 11790] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11792] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11792] <... futex resumed>) = 0 [pid 11790] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11792] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11790] <... futex resumed>) = 0 [pid 11790] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11796] <... ioctl resumed>) = 0 [pid 11795] <... ioctl resumed>) = 0 [pid 11792] <... sendto resumed>) = 32 [pid 11786] <... sendmsg resumed>) = 64 [pid 11796] close(3 [pid 11795] close(3 [pid 11792] recvfrom(4, [pid 11786] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11785] exit_group(0 [pid 11797] <... futex resumed>) = ? [pid 11796] <... close resumed>) = 0 [pid 11792] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11790}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [ 165.437728][T11792] exfat: Bad value for 'uid' [ 165.451539][T11795] exfat: Bad value for 'uid' [ 165.461755][T11796] loop4: detected capacity change from 0 to 256 [ 165.476670][T11796] exfat: Bad value for 'uid' [pid 11786] <... futex resumed>) = ? [pid 11785] <... exit_group resumed>) = ? [pid 11797] +++ exited with 0 +++ [pid 11796] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] <... close resumed>) = 0 [pid 11792] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11786] +++ exited with 0 +++ [pid 11785] +++ exited with 0 +++ [pid 11796] <... futex resumed>) = 1 [pid 11793] <... futex resumed>) = 0 [pid 11792] <... futex resumed>) = 1 [pid 11790] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11796] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11793] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11792] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11790] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] <... futex resumed>) = 0 [pid 11792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11790] <... futex resumed>) = 0 [pid 11796] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11793] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11792] getsockname(4, [pid 11790] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11796] <... socket resumed>) = 3 [pid 11795] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11792] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11790, nl_groups=00000000}, [116 => 12]) = 0 [pid 299] <... openat resumed>) = 3 [pid 11796] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11792] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11796] <... futex resumed>) = 1 [pid 11793] <... futex resumed>) = 0 [pid 11792] <... futex resumed>) = 1 [pid 11790] <... futex resumed>) = 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11796] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11793] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11792] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11790] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] close(3 [pid 11796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11793] <... futex resumed>) = 0 [pid 11792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11790] <... futex resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 11796] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11795] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11792] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0e\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11790] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11800 attached [pid 11796] <... socket resumed>) = 4 [pid 11795] <... socket resumed>) = 3 [pid 11794] <... futex resumed>) = 0 [pid 11796] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11800 [pid 11796] <... futex resumed>) = 1 [pid 11793] <... futex resumed>) = 0 [pid 11796] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11793] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11793] <... futex resumed>) = 0 [pid 11796] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11793] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11800] set_robust_list(0x5555555916a0, 24 [pid 11795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11788] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11800] <... set_robust_list resumed>) = 0 [pid 11796] <... sendto resumed>) = 32 [pid 11795] <... futex resumed>) = 0 [pid 11794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11796] recvfrom(4, [pid 11795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11788] <... futex resumed>) = 0 [pid 11800] <... prctl resumed>) = 0 [pid 11796] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11793}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11794] <... futex resumed>) = 0 [pid 11788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11800] setpgid(0, 0 [pid 11796] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11788] <... mmap resumed>) = 0x7fb926217000 [pid 11800] <... setpgid resumed>) = 0 [pid 11796] <... futex resumed>) = 1 [pid 11795] <... socket resumed>) = 4 [pid 11793] <... futex resumed>) = 0 [pid 11796] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11788] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11795] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11793] <... futex resumed>) = 0 [pid 11788] <... mprotect resumed>) = 0 [pid 11796] getsockname(4, [pid 11795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11788] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11796] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11793, nl_groups=00000000}, [116 => 12]) = 0 [pid 11795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11794] <... futex resumed>) = 0 [pid 11788] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11796] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11796] <... futex resumed>) = 1 [pid 11793] <... futex resumed>) = 0 [pid 11796] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11795] <... sendto resumed>) = 32 [pid 11793] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11795] recvfrom(4, [pid 11793] <... futex resumed>) = 0 [pid 11788] <... clone3 resumed> => {parent_tid=[11801]}, 88) = 11801 [pid 11796] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x11\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11795] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11794}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11793] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11788] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11801 attached [pid 11800] <... openat resumed>) = 3 [pid 11795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11801] set_robust_list(0x7fb9262379a0, 24 [pid 11800] write(3, "1000", 4 [pid 11795] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11788] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11801] <... set_robust_list resumed>) = 0 [pid 11800] <... write resumed>) = 4 [pid 11795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11788] <... futex resumed>) = 0 [pid 11801] rt_sigprocmask(SIG_SETMASK, [], [pid 11800] close(3 [pid 11801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11800] <... close resumed>) = 0 [pid 11795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11794] <... futex resumed>) = 0 [pid 11788] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11801] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11800] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] getsockname(4, [pid 11794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11801] <... bpf resumed>) = 5 [pid 11800] <... futex resumed>) = 0 [pid 11795] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11794, nl_groups=00000000}, [116 => 12]) = 0 [pid 11795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11800] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11795] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11800] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11794] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11794] <... futex resumed>) = 0 [pid 11795] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x12\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11794] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11801] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11801] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11788] <... futex resumed>) = 0 [pid 11800] <... mmap resumed>) = 0x7fb926238000 [pid 11800] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11788] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11801] <... futex resumed>) = 0 [pid 11788] <... futex resumed>) = 1 [pid 11801] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11788] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11801] <... bpf resumed>) = 0 [pid 11801] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11788] <... futex resumed>) = 0 [pid 11801] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11788] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] <... futex resumed>) = 0 [pid 11801] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11788] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11801] <... bpf resumed>) = 6 [pid 11800] <... mprotect resumed>) = 0 [pid 11801] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11788] <... futex resumed>) = 0 [pid 11801] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11788] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] <... futex resumed>) = 0 [pid 11801] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11788] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11801] <... bpf resumed>) = 7 [pid 11801] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11788] <... futex resumed>) = 0 [pid 11801] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11788] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] <... futex resumed>) = 0 [pid 11801] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11788] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11800] <... clone3 resumed> => {parent_tid=[11804]}, 88) = 11804 [pid 11800] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11804 attached [pid 11801] <... bpf resumed>) = 8 [pid 11800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11804] set_robust_list(0x7fb9262589a0, 24 [pid 11801] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11800] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... set_robust_list resumed>) = 0 [pid 11801] <... futex resumed>) = 1 [pid 11800] <... futex resumed>) = 0 [pid 11788] <... futex resumed>) = 0 [pid 11804] rt_sigprocmask(SIG_SETMASK, [], [pid 11801] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11788] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11788] <... futex resumed>) = 0 [pid 11804] memfd_create("syzkaller", 0 [pid 11801] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11804] <... memfd_create resumed>) = 3 [pid 11788] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11801] <... bpf resumed>) = 9 [pid 11804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11801] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... mmap resumed>) = 0x7fb91de38000 [pid 11801] <... futex resumed>) = 1 [pid 11788] <... futex resumed>) = 0 [pid 11801] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11804] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11804] munmap(0x7fb91de38000, 138412032) = 0 [pid 11804] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11804] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11804] close(3) = 0 [pid 11804] close(4) = 0 [pid 11804] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11804] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11804] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11804] ioctl(3, LOOP_CLR_FD [pid 11790] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11790] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11790] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11790] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11805]}, 88) = 11805 [pid 11790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11790] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11805 attached [pid 11805] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11805] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11805] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11790] <... futex resumed>) = 0 [pid 11790] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11805] <... futex resumed>) = 1 [pid 11805] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11805] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11790] <... futex resumed>) = 0 [pid 11790] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11805] <... futex resumed>) = 1 [pid 11805] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11805] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11790] <... futex resumed>) = 0 [pid 11790] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11805] <... futex resumed>) = 1 [pid 11805] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11805] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11790] <... futex resumed>) = 0 [pid 11790] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11805] <... futex resumed>) = 1 [pid 11805] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11805] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11790] <... futex resumed>) = 0 [pid 11790] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11790] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11805] <... futex resumed>) = 1 [pid 11805] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11805] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11790] <... futex resumed>) = 0 [pid 11805] <... futex resumed>) = 1 [pid 11805] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11793] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11789] <... sendmsg resumed>) = 64 [pid 11793] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11789] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] <... futex resumed>) = 0 [pid 11789] <... futex resumed>) = 0 [pid 11793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11789] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11793] <... mmap resumed>) = 0x7fb926217000 [pid 11788] exit_group(0 [pid 11801] <... futex resumed>) = ? [pid 11793] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11789] <... futex resumed>) = ? [pid 11788] <... exit_group resumed>) = ? [pid 11801] +++ exited with 0 +++ [pid 11793] <... mprotect resumed>) = 0 [pid 11789] +++ exited with 0 +++ [pid 11793] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11806 attached => {parent_tid=[11806]}, 88) = 11806 [pid 11793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11793] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11793] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11806] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11793] <... futex resumed>) = 0 [pid 11806] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11793] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11806] <... bpf resumed>) = 0 [pid 11793] <... futex resumed>) = 0 [pid 11806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11806] <... futex resumed>) = 0 [pid 11793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11793] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11806] <... bpf resumed>) = 6 [pid 11793] <... futex resumed>) = 0 [pid 11806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11794] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11793] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11806] <... futex resumed>) = 0 [pid 11794] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11794] <... futex resumed>) = 0 [pid 11793] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11793] <... futex resumed>) = 0 [pid 11793] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11794] <... mmap resumed>) = 0x7fb926217000 [pid 11794] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11807]}, 88) = 11807 ./strace-static-x86_64: Process 11807 attached [pid 11794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11807] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11794] <... futex resumed>) = 0 [pid 11794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11807] <... futex resumed>) = 1 [pid 11807] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11794] <... futex resumed>) = 0 [pid 11794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11807] <... bpf resumed>) = 6 [pid 11807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11804] <... ioctl resumed>) = 0 [ 165.567846][T11804] loop3: detected capacity change from 0 to 256 [ 165.574982][T11804] exfat: Bad value for 'uid' [pid 11804] close(3) = 0 [pid 11804] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11804] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] <... futex resumed>) = 0 [pid 11800] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... futex resumed>) = 0 [pid 11800] <... futex resumed>) = 1 [pid 11804] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11800] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11804] <... socket resumed>) = 3 [pid 11804] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11800] <... futex resumed>) = 0 [pid 11804] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11800] <... futex resumed>) = 0 [pid 11804] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11800] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11804] <... socket resumed>) = 4 [pid 11804] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11800] <... futex resumed>) = 0 [pid 11804] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11800] <... futex resumed>) = 0 [pid 11804] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11800] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11804] <... sendto resumed>) = 32 [pid 11804] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11800}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11804] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11800] <... futex resumed>) = 0 [pid 11804] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11800] <... futex resumed>) = 0 [pid 11804] getsockname(4, [pid 11800] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11804] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11800, nl_groups=00000000}, [116 => 12]) = 0 [pid 11804] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11800] <... futex resumed>) = 0 [pid 11804] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11800] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11800] <... futex resumed>) = 0 [pid 11804] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x18\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11800] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11788] +++ exited with 0 +++ [pid 11807] <... bpf resumed>) = 7 [pid 11806] <... bpf resumed>) = 7 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11788, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11807] <... futex resumed>) = 1 [pid 11806] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11793] <... futex resumed>) = 0 [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11810 ./strace-static-x86_64: Process 11810 attached [pid 11810] set_robust_list(0x5555555916a0, 24) = 0 [pid 11810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11807] <... bpf resumed>) = 8 [pid 11794] <... futex resumed>) = 0 [pid 11793] <... futex resumed>) = 0 [pid 11807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11806] <... bpf resumed>) = 8 [pid 11794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11793] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11807] <... futex resumed>) = 0 [pid 11806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11810] <... prctl resumed>) = 0 [pid 11794] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] setpgid(0, 0) = 0 [pid 11810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11806] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11793] <... futex resumed>) = 0 [pid 11792] <... sendmsg resumed>) = 64 [pid 11807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11810] <... openat resumed>) = 3 [pid 11794] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11793] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11792] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11793] <... futex resumed>) = 0 [pid 11792] <... futex resumed>) = 0 [pid 11807] <... bpf resumed>) = 9 [pid 11806] <... bpf resumed>) = 9 [pid 11793] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11792] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11807] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11806] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11790] exit_group(0 [pid 11806] <... futex resumed>) = 0 [pid 11805] <... futex resumed>) = ? [pid 11792] <... futex resumed>) = ? [pid 11790] <... exit_group resumed>) = ? [pid 11807] <... futex resumed>) = 1 [pid 11794] <... futex resumed>) = 0 [pid 11810] write(3, "1000", 4 [pid 11807] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11806] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11805] +++ exited with 0 +++ [pid 11792] +++ exited with 0 +++ [pid 11810] <... write resumed>) = 4 [pid 11810] close(3 [pid 11790] +++ exited with 0 +++ [pid 11810] <... close resumed>) = 0 [pid 11810] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11810] <... futex resumed>) = 0 [pid 11810] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11810] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11811]}, 88) = 11811 [pid 11810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11810] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11810] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 11810] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 11811 attached [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11812 [pid 11811] set_robust_list(0x7fb9262589a0, 24./strace-static-x86_64: Process 11812 attached ) = 0 [pid 11812] set_robust_list(0x5555555916a0, 24 [pid 11811] rt_sigprocmask(SIG_SETMASK, [], [pid 11812] <... set_robust_list resumed>) = 0 [pid 11811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11811] memfd_create("syzkaller", 0) = 3 [pid 11811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11811] <... mmap resumed>) = 0x7fb91de38000 [pid 11812] setpgid(0, 0) = 0 [pid 11812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11811] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11812] <... openat resumed>) = 3 [pid 11812] write(3, "1000", 4) = 4 [pid 11811] <... write resumed>) = 131072 [pid 11812] close(3 [pid 11811] munmap(0x7fb91de38000, 138412032 [pid 11812] <... close resumed>) = 0 [pid 11812] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11812] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11811] <... munmap resumed>) = 0 [pid 11811] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11811] <... openat resumed>) = 4 [pid 11811] ioctl(4, LOOP_SET_FD, 3 [pid 11812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11812] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11813]}, 88) = 11813 [pid 11812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11812] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11812] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11813 attached [pid 11813] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11813] rt_sigprocmask(SIG_SETMASK, [], [pid 11811] <... ioctl resumed>) = 0 [pid 11795] <... sendmsg resumed>) = 64 [pid 11796] <... sendmsg resumed>) = 64 [pid 11796] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11795] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11796] <... futex resumed>) = 0 [pid 11795] <... futex resumed>) = 0 [pid 11796] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11795] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11811] close(3 [pid 11813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11811] <... close resumed>) = 0 [pid 11813] memfd_create("syzkaller", 0 [pid 11794] exit_group(0 [pid 11811] close(4 [pid 11794] <... exit_group resumed>) = ? [pid 11807] <... futex resumed>) = ? [pid 11795] <... futex resumed>) = ? [pid 11813] <... memfd_create resumed>) = 3 [pid 11811] <... close resumed>) = 0 [pid 11807] +++ exited with 0 +++ [pid 11795] +++ exited with 0 +++ [pid 11793] exit_group(0 [pid 11806] <... futex resumed>) = ? [pid 11796] <... futex resumed>) = ? [pid 11793] <... exit_group resumed>) = ? [pid 11806] +++ exited with 0 +++ [pid 11796] +++ exited with 0 +++ [pid 11813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11811] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11811] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11813] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11813] munmap(0x7fb91de38000, 138412032) = 0 [pid 11813] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11813] ioctl(4, LOOP_SET_FD, 3 [pid 11811] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11811] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11811] ioctl(3, LOOP_CLR_FD [pid 11800] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11800] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11800] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11814]}, 88) = 11814 [pid 11800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11800] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11794] +++ exited with 0 +++ [pid 11800] <... futex resumed>) = 0 [pid 11800] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11813] <... ioctl resumed>) = 0 [pid 11813] close(3 [pid 11793] +++ exited with 0 +++ ./strace-static-x86_64: Process 11814 attached [pid 11813] <... close resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11793, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11814] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11814] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11813] close(4 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11814] <... bpf resumed>) = 5 [pid 297] <... openat resumed>) = 3 [pid 300] <... openat resumed>) = 3 [pid 297] ioctl(3, LOOP_CLR_FD [pid 300] ioctl(3, LOOP_CLR_FD [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 300] close(3 [pid 11813] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 11814] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] mkdir("./file0", 0777 [pid 300] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11815 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11816 [pid 11814] <... futex resumed>) = 1 [pid 11813] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11814] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11813] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11800] <... futex resumed>) = 0 [pid 11800] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11815 attached ./strace-static-x86_64: Process 11816 attached ) = 1 [pid 11814] <... futex resumed>) = 0 [pid 11814] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11814] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11814] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] set_robust_list(0x5555555916a0, 24) = 0 [pid 11815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11815] setpgid(0, 0) = 0 [pid 11815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11815] write(3, "1000", 4) = 4 [pid 11815] close(3) = 0 [pid 11815] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11800] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] set_robust_list(0x5555555916a0, 24 [pid 11815] <... futex resumed>) = 0 [pid 11813] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11816] <... set_robust_list resumed>) = 0 [pid 11813] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11800] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11815] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11813] <... openat resumed>) = 3 [pid 11800] <... futex resumed>) = 1 [pid 11816] <... prctl resumed>) = 0 [pid 11815] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11814] <... futex resumed>) = 0 [pid 11813] ioctl(3, LOOP_CLR_FD [pid 11800] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] setpgid(0, 0 [pid 11814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11816] <... setpgid resumed>) = 0 [pid 11816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11816] write(3, "1000", 4) = 4 [pid 11816] close(3) = 0 [pid 11816] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11816] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11814] <... bpf resumed>) = 6 [pid 11816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11814] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11800] <... futex resumed>) = 0 [pid 11816] <... mmap resumed>) = 0x7fb926238000 [pid 11814] <... futex resumed>) = 1 [pid 11800] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11815] <... mmap resumed>) = 0x7fb926238000 [pid 11800] <... futex resumed>) = 0 [pid 11816] <... mprotect resumed>) = 0 [pid 11814] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11800] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11815] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11815] <... mprotect resumed>) = 0 [pid 11814] <... bpf resumed>) = 7 [pid 11816] <... clone3 resumed> => {parent_tid=[11817]}, 88) = 11817 [pid 11816] rt_sigprocmask(SIG_SETMASK, [], [pid 11814] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11816] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11814] <... futex resumed>) = 1 [pid 11800] <... futex resumed>) = 0 [pid 11816] <... futex resumed>) = 0 [pid 11815] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11800] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11816] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11815] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11800] <... futex resumed>) = 0 [pid 11800] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11817 attached [pid 11817] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11817] memfd_create("syzkaller", 0) = 3 [pid 11815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11815] <... clone3 resumed> => {parent_tid=[11818]}, 88) = 11818 [pid 11815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11814] <... bpf resumed>) = 8 [pid 11815] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11814] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11815] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11800] <... futex resumed>) = 0 [pid 11814] <... futex resumed>) = 1 [pid 11800] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11814] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11800] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11814] <... bpf resumed>) = 9 [pid 11814] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11818 attached [pid 11800] <... futex resumed>) = 0 [pid 11814] <... futex resumed>) = 1 [pid 11818] set_robust_list(0x7fb9262589a0, 24 [pid 11814] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11817] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11818] <... set_robust_list resumed>) = 0 [pid 11818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11818] memfd_create("syzkaller", 0) = 3 [pid 11818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11817] <... write resumed>) = 131072 [pid 11817] munmap(0x7fb91de38000, 138412032) = 0 [pid 11817] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11818] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [ 165.664257][T11811] loop2: detected capacity change from 0 to 256 [ 165.677807][T11811] exfat: Bad value for 'uid' [ 165.681912][T11813] loop0: detected capacity change from 0 to 256 [ 165.700501][T11813] exfat: Bad value for 'uid' [pid 11817] ioctl(4, LOOP_SET_FD, 3 [pid 11818] <... write resumed>) = 131072 [pid 11818] munmap(0x7fb91de38000, 138412032) = 0 [pid 11818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11818] ioctl(4, LOOP_SET_FD, 3 [pid 11817] <... ioctl resumed>) = 0 [pid 11811] <... ioctl resumed>) = 0 [pid 11811] close(3 [pid 11818] <... ioctl resumed>) = 0 [pid 11817] close(3 [pid 11811] <... close resumed>) = 0 [pid 11817] <... close resumed>) = 0 [pid 11817] close(4) = 0 [pid 11817] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11817] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11818] close(3 [pid 11811] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11817] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11817] ioctl(3, LOOP_CLR_FD) = 0 [pid 11817] close(3) = 0 [pid 11817] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11817] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11818] <... close resumed>) = 0 [pid 11818] close(4 [pid 11816] <... futex resumed>) = 0 [pid 11813] <... ioctl resumed>) = 0 [pid 11811] <... futex resumed>) = 1 [pid 11810] <... futex resumed>) = 0 [pid 11818] <... close resumed>) = 0 [pid 11818] mkdir("./file0", 0777 [pid 11810] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11811] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11810] <... futex resumed>) = 0 [pid 11811] <... socket resumed>) = 3 [pid 11813] close(3 [pid 11810] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11813] <... close resumed>) = 0 [pid 11811] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11816] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11813] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11811] <... futex resumed>) = 0 [pid 11810] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] <... futex resumed>) = 1 [pid 11812] <... futex resumed>) = 0 [pid 11811] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11810] <... futex resumed>) = 0 [pid 11813] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11812] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11811] <... socket resumed>) = 4 [pid 11810] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11812] <... futex resumed>) = 0 [pid 11811] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11812] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11811] <... futex resumed>) = 0 [pid 11813] <... socket resumed>) = 3 [pid 11810] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11811] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11810] <... futex resumed>) = 0 [pid 11813] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11812] <... futex resumed>) = 0 [pid 11811] <... sendto resumed>) = 32 [pid 11810] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11813] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11812] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11811] recvfrom(4, [pid 11813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11812] <... futex resumed>) = 0 [pid 11813] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11812] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11811] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11810}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11813] <... socket resumed>) = 4 [pid 11811] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11811] <... futex resumed>) = 1 [pid 11810] <... futex resumed>) = 0 [pid 11813] <... futex resumed>) = 1 [pid 11812] <... futex resumed>) = 0 [pid 11811] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11813] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11812] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11810] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11812] <... futex resumed>) = 0 [pid 11811] getsockname(4, [pid 11810] <... futex resumed>) = 0 [pid 11813] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11812] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11810] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11811] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11810, nl_groups=00000000}, [116 => 12]) = 0 [pid 11817] <... futex resumed>) = 0 [pid 11813] <... sendto resumed>) = 32 [pid 11817] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11813] recvfrom(4, [pid 11811] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11812}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11811] <... futex resumed>) = 1 [pid 11813] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] <... futex resumed>) = 0 [pid 11811] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11813] <... futex resumed>) = 1 [pid 11812] <... futex resumed>) = 0 [pid 11810] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11810] <... futex resumed>) = 0 [pid 11813] getsockname(4, [pid 11812] <... futex resumed>) = 0 [pid 11811] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x22\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11810] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11817] <... socket resumed>) = 3 [pid 11813] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11812, nl_groups=00000000}, [116 => 12]) = 0 [pid 11812] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11817] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11812] <... futex resumed>) = 0 [pid 11813] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11812] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11812] <... futex resumed>) = 0 [pid 11813] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x24\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11812] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11817] <... futex resumed>) = 1 [pid 11816] <... futex resumed>) = 0 [pid 11818] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11817] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11816] <... futex resumed>) = 0 [pid 11817] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11816] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... openat resumed>) = 3 [pid 11817] <... socket resumed>) = 4 [pid 11818] ioctl(3, LOOP_CLR_FD [pid 11817] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11817] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] <... futex resumed>) = 0 [pid 11816] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] <... futex resumed>) = 0 [pid 11816] <... futex resumed>) = 1 [pid 11817] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [ 165.716123][T11817] loop4: detected capacity change from 0 to 256 [ 165.717713][T11818] loop1: detected capacity change from 0 to 256 [ 165.730424][T11817] exfat: Bad value for 'uid' [ 165.745315][T11811] __nla_validate_parse: 88 callbacks suppressed [ 165.745331][T11811] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 165.747293][T11818] exfat: Bad value for 'uid' [pid 11816] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... ioctl resumed>) = 0 [pid 11804] <... sendmsg resumed>) = 64 [pid 11818] close(3) = 0 [pid 11818] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11818] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] <... futex resumed>) = 0 [pid 11804] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11815] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] <... futex resumed>) = 0 [pid 11818] <... futex resumed>) = 0 [pid 11815] <... futex resumed>) = 1 [pid 11818] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11815] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... socket resumed>) = 3 [pid 11818] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11804] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11818] <... futex resumed>) = 1 [pid 11815] <... futex resumed>) = 0 [pid 11818] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11815] <... futex resumed>) = 0 [pid 11818] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11815] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... socket resumed>) = 4 [pid 11810] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11818] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11818] <... futex resumed>) = 1 [pid 11815] <... futex resumed>) = 0 [pid 11810] <... futex resumed>) = 0 [pid 11818] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11815] <... futex resumed>) = 0 [pid 11810] <... mmap resumed>) = 0x7fb926217000 [pid 11800] exit_group(0 [pid 11818] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11815] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11810] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11814] <... futex resumed>) = ? [pid 11810] <... mprotect resumed>) = 0 [pid 11804] <... futex resumed>) = ? [pid 11800] <... exit_group resumed>) = ? [pid 11814] +++ exited with 0 +++ [pid 11810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11804] +++ exited with 0 +++ [pid 11810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11821]}, 88) = 11821 [pid 11810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11810] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11810] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11800] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11800, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11822 ./strace-static-x86_64: Process 11821 attached [pid 11821] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11821] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11821] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] <... futex resumed>) = 0 [pid 11810] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11810] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11821] <... futex resumed>) = 1 [pid 11821] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11821] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] <... futex resumed>) = 0 [pid 11810] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11810] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11821] <... futex resumed>) = 1 [pid 11821] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11821] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] <... futex resumed>) = 0 [pid 11810] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11810] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11821] <... futex resumed>) = 1 [pid 11821] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 11822 attached [pid 11822] set_robust_list(0x5555555916a0, 24) = 0 [pid 11822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11822] setpgid(0, 0 [pid 11812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11812] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11812] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11812] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11823]}, 88) = 11823 [pid 11812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11812] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11812] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11822] <... setpgid resumed>) = 0 [pid 11822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11817] <... sendto resumed>) = 32 [pid 11822] <... openat resumed>) = 3 [pid 11822] write(3, "1000", 4) = 4 [pid 11822] close(3) = 0 [pid 11822] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11822] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11821] <... bpf resumed>) = 7 [pid 11818] <... sendto resumed>) = 32 [pid 11817] recvfrom(4, [pid 11821] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11818] recvfrom(4, [pid 11817] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11816}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11821] <... futex resumed>) = 1 [pid 11818] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11815}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11817] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] <... futex resumed>) = 0 [pid 11821] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11818] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] <... futex resumed>) = 0 [pid 11816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11810] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11818] <... futex resumed>) = 1 [pid 11817] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11815] <... futex resumed>) = 0 [pid 11810] <... futex resumed>) = 0 [pid 11821] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11818] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11815] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11817] getsockname(4, [pid 11815] <... futex resumed>) = 0 [pid 11818] getsockname(4, [pid 11817] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11816, nl_groups=00000000}, [116 => 12]) = 0 [pid 11815] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11815, nl_groups=00000000}, [116 => 12]) = 0 [pid 11817] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11818] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] <... futex resumed>) = 0 [pid 11818] <... futex resumed>) = 1 [pid 11817] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] <... futex resumed>) = 0 [pid 11818] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] <... futex resumed>) = 0 [pid 11815] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11815] <... futex resumed>) = 0 [pid 11818] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x27\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11815] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11823 attached [pid 11822] <... mmap resumed>) = 0x7fb926238000 [pid 11821] <... bpf resumed>) = 8 [pid 11816] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11821] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11821] <... futex resumed>) = 1 [pid 11816] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] <... futex resumed>) = 0 [pid 11821] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] <... futex resumed>) = 1 [pid 11810] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11816] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11810] <... futex resumed>) = 0 [pid 11821] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11810] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11823] set_robust_list(0x7fb9262379a0, 24 [pid 11822] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11821] <... bpf resumed>) = 9 [pid 11817] <... futex resumed>) = 0 [pid 11823] <... set_robust_list resumed>) = 0 [pid 11822] <... mprotect resumed>) = 0 [pid 11821] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x28\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11823] rt_sigprocmask(SIG_SETMASK, [], [pid 11822] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11821] <... futex resumed>) = 1 [pid 11810] <... futex resumed>) = 0 [pid 11821] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11822] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11823] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11823] <... bpf resumed>) = 5 [pid 11823] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] <... clone3 resumed> => {parent_tid=[11825]}, 88) = 11825 [pid 11823] <... futex resumed>) = 1 [pid 11822] rt_sigprocmask(SIG_SETMASK, [], [pid 11812] <... futex resumed>) = 0 [pid 11823] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11812] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11823] <... bpf resumed>) = 0 [pid 11822] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] <... futex resumed>) = 0 [pid 11823] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] <... futex resumed>) = 0 [pid 11812] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11823] <... futex resumed>) = 0 [pid 11822] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11823] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11812] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11823] <... bpf resumed>) = 6 [pid 11812] <... futex resumed>) = 0 [pid 11823] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11823] <... futex resumed>) = 0 [pid 11812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11823] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11812] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11823] <... bpf resumed>) = 7 [pid 11812] <... futex resumed>) = 0 [pid 11823] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11823] <... futex resumed>) = 0 [pid 11812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11823] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11812] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11823] <... bpf resumed>) = 8 [pid 11812] <... futex resumed>) = 0 [pid 11823] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11823] <... futex resumed>) = 0 [pid 11812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11823] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11812] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11823] <... bpf resumed>) = 9 [pid 11812] <... futex resumed>) = 0 [pid 11823] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11812] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11823] <... futex resumed>) = 0 [pid 11812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11823] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11825 attached [pid 11825] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11825] memfd_create("syzkaller", 0) = 3 [pid 11825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 165.789584][T11813] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 165.821369][T11818] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11825] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11825] munmap(0x7fb91de38000, 138412032) = 0 [pid 11825] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11825] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11825] close(3) = 0 [pid 11825] close(4) = 0 [pid 11825] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11825] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11825] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11825] ioctl(3, LOOP_CLR_FD) = 0 [pid 11825] close(3) = 0 [pid 11825] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] <... futex resumed>) = 0 [pid 11822] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11822] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11816] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11825] <... futex resumed>) = 1 [pid 11825] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11825] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] <... futex resumed>) = 0 [pid 11822] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] <... futex resumed>) = 0 [pid 11822] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] <... futex resumed>) = 0 [pid 11816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11825] <... futex resumed>) = 1 [pid 11816] <... mmap resumed>) = 0x7fb926217000 [pid 11816] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11825] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11825] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] <... futex resumed>) = 0 [pid 11816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11822] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11822] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11815] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11816] <... clone3 resumed> => {parent_tid=[11827]}, 88) = 11827 [pid 11815] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] rt_sigprocmask(SIG_SETMASK, [], [pid 11815] <... futex resumed>) = 0 [pid 11816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11816] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11815] <... mmap resumed>) = 0x7fb926217000 [pid 11815] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11816] <... futex resumed>) = 0 [pid 11815] <... mprotect resumed>) = 0 [pid 11816] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 11827 attached [pid 11815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11828 attached [pid 11827] set_robust_list(0x7fb9262379a0, 24 [pid 11825] <... futex resumed>) = 1 [pid 11828] set_robust_list(0x7fb9262379a0, 24 [pid 11827] <... set_robust_list resumed>) = 0 [pid 11825] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11815] <... clone3 resumed> => {parent_tid=[11828]}, 88) = 11828 [pid 11828] <... set_robust_list resumed>) = 0 [pid 11827] rt_sigprocmask(SIG_SETMASK, [], [pid 11825] <... sendto resumed>) = 32 [pid 11815] rt_sigprocmask(SIG_SETMASK, [], [pid 11827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11825] recvfrom(4, [pid 11827] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11825] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11822}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11828] rt_sigprocmask(SIG_SETMASK, [], [pid 11827] <... bpf resumed>) = 5 [pid 11825] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11827] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11825] <... futex resumed>) = 1 [pid 11822] <... futex resumed>) = 0 [pid 11815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11828] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11827] <... futex resumed>) = 1 [pid 11825] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11822] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] <... futex resumed>) = 0 [pid 11827] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11822] <... futex resumed>) = 0 [pid 11816] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11815] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11825] getsockname(4, [pid 11822] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] <... futex resumed>) = 0 [pid 11827] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11825] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11822, nl_groups=00000000}, [116 => 12]) = 0 [pid 11816] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11827] <... bpf resumed>) = 0 [pid 11825] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11827] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11825] <... futex resumed>) = 1 [pid 11822] <... futex resumed>) = 0 [pid 11827] <... futex resumed>) = 1 [pid 11825] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11822] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11816] <... futex resumed>) = 0 [pid 11828] <... futex resumed>) = 0 [pid 11827] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11822] <... futex resumed>) = 0 [pid 11816] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11815] <... futex resumed>) = 1 [pid 11828] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 165.845832][T11817] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 165.851228][T11825] loop3: detected capacity change from 0 to 256 [ 165.863946][T11825] exfat: Bad value for 'uid' [pid 11825] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2e\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11822] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11816] <... futex resumed>) = 0 [pid 11828] <... bpf resumed>) = 5 [pid 11827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11816] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11815] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11827] <... bpf resumed>) = 6 [pid 11828] <... futex resumed>) = 0 [pid 11827] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11828] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11827] <... futex resumed>) = 1 [pid 11816] <... futex resumed>) = 0 [pid 11827] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11816] <... futex resumed>) = 0 [pid 11827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11816] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11827] <... bpf resumed>) = 7 [pid 11827] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11816] <... futex resumed>) = 0 [pid 11827] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11816] <... futex resumed>) = 0 [pid 11827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11816] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11827] <... bpf resumed>) = 8 [pid 11827] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11816] <... futex resumed>) = 0 [pid 11827] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11816] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11816] <... futex resumed>) = 0 [pid 11827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11816] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11827] <... bpf resumed>) = 9 [pid 11827] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11816] <... futex resumed>) = 0 [pid 11827] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11815] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11828] <... futex resumed>) = 0 [pid 11815] <... futex resumed>) = 1 [pid 11828] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11815] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11828] <... bpf resumed>) = 0 [pid 11828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11815] <... futex resumed>) = 0 [pid 11828] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11815] <... futex resumed>) = 0 [pid 11828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11815] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11828] <... bpf resumed>) = 6 [pid 11828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11815] <... futex resumed>) = 0 [pid 11828] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11815] <... futex resumed>) = 0 [pid 11828] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11815] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11828] <... bpf resumed>) = 7 [pid 11828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11815] <... futex resumed>) = 0 [pid 11815] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11815] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11815] <... futex resumed>) = 0 [pid 11828] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11815] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11815] <... futex resumed>) = 0 [pid 11815] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11828] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11828] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11815] <... futex resumed>) = 0 [pid 11828] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11811] <... sendmsg resumed>) = 64 [pid 11811] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11810] exit_group(0 [pid 11821] <... futex resumed>) = ? [pid 11811] <... futex resumed>) = ? [pid 11810] <... exit_group resumed>) = ? [pid 11821] +++ exited with 0 +++ [pid 11811] +++ exited with 0 +++ [pid 11810] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11810, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11830 ./strace-static-x86_64: Process 11830 attached [pid 11830] set_robust_list(0x5555555916a0, 24) = 0 [pid 11830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11830] setpgid(0, 0) = 0 [pid 11830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11830] write(3, "1000", 4) = 4 [pid 11830] close(3) = 0 [pid 11830] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11830] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11830] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11831]}, 88) = 11831 [pid 11830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11830] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11831 attached [pid 11831] set_robust_list(0x7fb9262589a0, 24 [pid 11830] <... futex resumed>) = 0 [pid 11830] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11831] <... set_robust_list resumed>) = 0 [pid 11831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11831] memfd_create("syzkaller", 0) = 3 [pid 11831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11831] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11831] munmap(0x7fb91de38000, 138412032) = 0 [pid 11831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11822] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11822] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11831] ioctl(4, LOOP_SET_FD, 3 [pid 11822] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 165.889947][T11825] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11822] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11822] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11822] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11832]}, 88) = 11832 [pid 11822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11822] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11832 attached ) = 0 [pid 11822] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11832] set_robust_list(0x7fb9262379a0, 24 [pid 11831] <... ioctl resumed>) = 0 [pid 11832] <... set_robust_list resumed>) = 0 [pid 11832] rt_sigprocmask(SIG_SETMASK, [], [pid 11831] close(3 [pid 11832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11832] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11831] <... close resumed>) = 0 [pid 11832] <... bpf resumed>) = 5 [pid 11832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] <... futex resumed>) = 0 [pid 11822] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11822] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11832] <... futex resumed>) = 1 [pid 11832] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] <... futex resumed>) = 0 [pid 11831] close(4 [pid 11822] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11822] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11832] <... futex resumed>) = 1 [pid 11832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11831] <... close resumed>) = 0 [pid 11831] mkdir("./file0", 0777 [pid 11813] <... sendmsg resumed>) = 64 [pid 11832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11831] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11813] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11813] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11831] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11832] <... futex resumed>) = 1 [pid 11822] <... futex resumed>) = 0 [pid 11822] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11812] exit_group(0 [pid 11823] <... futex resumed>) = ? [pid 11822] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11812] <... exit_group resumed>) = ? [pid 11823] +++ exited with 0 +++ [pid 11832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11831] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11813] <... futex resumed>) = ? [pid 11832] <... bpf resumed>) = 7 [pid 11831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11831] <... openat resumed>) = 3 [pid 11813] +++ exited with 0 +++ [pid 11812] +++ exited with 0 +++ [pid 11831] ioctl(3, LOOP_CLR_FD [pid 11832] <... futex resumed>) = 1 [pid 11822] <... futex resumed>) = 0 [pid 11822] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11822] <... futex resumed>) = 0 [pid 11822] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11812, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11832] <... bpf resumed>) = 8 [pid 294] close(3 [pid 11832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11822] <... futex resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 11822] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11822] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11832] <... bpf resumed>) = 9 [pid 11832] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11832] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11822] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11833 attached [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11833 [pid 11833] set_robust_list(0x5555555916a0, 24) = 0 [pid 11833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11833] setpgid(0, 0) = 0 [pid 11833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11833] write(3, "1000", 4) = 4 [pid 11833] close(3) = 0 [pid 11833] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11833] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11833] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11834]}, 88) = 11834 ./strace-static-x86_64: Process 11834 attached [pid 11833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11833] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11833] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11834] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11834] memfd_create("syzkaller", 0) = 3 [pid 11834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11834] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11834] munmap(0x7fb91de38000, 138412032) = 0 [pid 11834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 165.940517][T11831] loop2: detected capacity change from 0 to 256 [ 165.960296][T11831] exfat: Bad value for 'uid' [pid 11834] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11818] <... sendmsg resumed>) = 64 [pid 11818] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11817] <... sendmsg resumed>) = 64 [pid 11818] <... futex resumed>) = 0 [pid 11817] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11818] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11817] <... futex resumed>) = 0 [pid 11815] exit_group(0 [pid 11817] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11828] <... futex resumed>) = ? [pid 11818] <... futex resumed>) = ? [pid 11815] <... exit_group resumed>) = ? [pid 11828] +++ exited with 0 +++ [pid 11818] +++ exited with 0 +++ [pid 11816] exit_group(0 [pid 11827] <... futex resumed>) = ? [pid 11817] <... futex resumed>) = ? [pid 11816] <... exit_group resumed>) = ? [pid 11827] +++ exited with 0 +++ [pid 11817] +++ exited with 0 +++ [pid 11815] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11815, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 11834] close(3) = 0 [pid 11834] close(4) = 0 [pid 11834] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11834] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 297] <... restart_syscall resumed>) = 0 [pid 11834] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11834] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11834] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 11834] ioctl(3, LOOP_CLR_FD [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11835 ./strace-static-x86_64: Process 11835 attached [pid 11835] set_robust_list(0x5555555916a0, 24) = 0 [pid 11835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11835] setpgid(0, 0) = 0 [pid 11835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11835] write(3, "1000", 4) = 4 [pid 11835] close(3) = 0 [pid 11835] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11835] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11835] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11835] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11836]}, 88) = 11836 [pid 11835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11835] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11835] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11836 attached [pid 11836] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11836] memfd_create("syzkaller", 0) = 3 [pid 11836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11836] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11831] <... ioctl resumed>) = 0 [pid 11831] close(3) = 0 [pid 11831] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11831] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11830] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11831] <... socket resumed>) = 3 [pid 11830] <... futex resumed>) = 0 [pid 11831] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11830] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11831] <... futex resumed>) = 0 [pid 11830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11831] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11830] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11831] <... socket resumed>) = 4 [pid 11830] <... futex resumed>) = 0 [pid 11831] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11830] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11831] <... futex resumed>) = 0 [pid 11830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11831] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11830] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11831] <... sendto resumed>) = 32 [pid 11830] <... futex resumed>) = 0 [pid 11831] recvfrom(4, [pid 11830] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11831] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11830}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11831] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11831] getsockname(4, [pid 11830] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11831] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11830, nl_groups=00000000}, [116 => 12]) = 0 [pid 11830] <... futex resumed>) = 0 [pid 11831] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11830] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11831] <... futex resumed>) = 0 [pid 11830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11831] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x36\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11830] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11836] <... write resumed>) = 131072 [pid 11836] munmap(0x7fb91de38000, 138412032) = 0 [pid 11836] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11836] ioctl(4, LOOP_SET_FD, 3 [pid 11830] <... futex resumed>) = 0 [pid 11830] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11825] <... sendmsg resumed>) = 64 [pid 11836] <... ioctl resumed>) = 0 [pid 11825] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11822] exit_group(0 [pid 11816] +++ exited with 0 +++ [pid 11836] close(3 [pid 11832] <... futex resumed>) = ? [pid 11825] <... futex resumed>) = ? [pid 11822] <... exit_group resumed>) = ? [pid 11836] <... close resumed>) = 0 [pid 11832] +++ exited with 0 +++ [pid 11825] +++ exited with 0 +++ [pid 11822] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11816, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11822, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 300] ioctl(3, LOOP_CLR_FD [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... restart_syscall resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11838 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11839 ./strace-static-x86_64: Process 11838 attached [pid 11838] set_robust_list(0x5555555916a0, 24) = 0 [pid 11838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11838] setpgid(0, 0) = 0 [pid 11838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11838] write(3, "1000", 4) = 4 [pid 11838] close(3 [pid 11836] close(4) = 0 [pid 11838] <... close resumed>) = 0 [pid 11836] mkdir("./file0", 0777 [pid 11838] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11838] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11838] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11834] <... ioctl resumed>) = 0 [pid 11834] close(3 [pid 11838] <... clone3 resumed> => {parent_tid=[11840]}, 88) = 11840 [pid 11834] <... close resumed>) = 0 [pid 11838] rt_sigprocmask(SIG_SETMASK, [], [pid 11834] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11834] <... futex resumed>) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11834] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11833] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11833] <... futex resumed>) = 0 [pid 11834] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11833] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] <... socket resumed>) = 3 [pid 11838] <... futex resumed>) = 0 [pid 11834] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11834] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11833] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11833] <... futex resumed>) = 0 [pid 11834] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11833] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11834] <... socket resumed>) = 4 [pid 11834] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11834] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11833] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11833] <... futex resumed>) = 0 [pid 11834] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11836] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11833] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11834] <... sendto resumed>) = 32 [pid 11834] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11833}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11836] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11834] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11834] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11833] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11833] <... futex resumed>) = 0 [pid 11834] getsockname(4, [pid 11833] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11834] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11833, nl_groups=00000000}, [116 => 12]) = 0 [pid 11834] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11840 attached [ 165.983722][T11834] loop0: detected capacity change from 0 to 256 [ 165.993659][T11834] exfat: Bad value for 'uid' [ 166.011198][T11831] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 166.016860][T11836] loop1: detected capacity change from 0 to 256 ) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11834] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11833] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11833] <... futex resumed>) = 0 [pid 11834] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x39\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11833] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11840] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11840] memfd_create("syzkaller", 0) = 3 [pid 11840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11840] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11840] munmap(0x7fb91de38000, 138412032) = 0 [pid 11840] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11840] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11840] close(3) = 0 [pid 11840] close(4) = 0 [pid 11840] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11840] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11839 attached [pid 11836] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11836] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11839] set_robust_list(0x5555555916a0, 24) = 0 [pid 11839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11836] <... openat resumed>) = 3 [pid 11836] ioctl(3, LOOP_CLR_FD [pid 11839] setpgid(0, 0) = 0 [pid 11830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11830] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11830] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11842]}, 88) = 11842 [pid 11830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11830] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11830] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11839] write(3, "1000", 4) = 4 [pid 11839] close(3) = 0 [pid 11840] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11839] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11839] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11839] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11843]}, 88) = 11843 [pid 11839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 11843 attached ./strace-static-x86_64: Process 11842 attached [pid 11840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11843] set_robust_list(0x7fb9262589a0, 24 [pid 11842] set_robust_list(0x7fb9262379a0, 24 [pid 11839] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] <... openat resumed>) = 3 [pid 11840] ioctl(3, LOOP_CLR_FD [pid 11842] <... set_robust_list resumed>) = 0 [pid 11843] <... set_robust_list resumed>) = 0 [pid 11842] rt_sigprocmask(SIG_SETMASK, [], [pid 11839] <... futex resumed>) = 0 [pid 11842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11842] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11843] rt_sigprocmask(SIG_SETMASK, [], [pid 11839] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11842] <... bpf resumed>) = 5 [pid 11843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11830] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11830] <... futex resumed>) = 0 [pid 11842] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11830] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11842] <... bpf resumed>) = 0 [pid 11842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11830] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11830] <... futex resumed>) = 0 [pid 11843] memfd_create("syzkaller", 0 [pid 11842] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11830] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11843] <... memfd_create resumed>) = 3 [pid 11843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11842] <... bpf resumed>) = 6 [pid 11842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11830] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11830] <... futex resumed>) = 0 [pid 11842] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11830] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11843] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11842] <... bpf resumed>) = 7 [pid 11842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11843] <... write resumed>) = 131072 [pid 11830] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11830] <... futex resumed>) = 0 [pid 11842] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11830] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 166.040589][T11834] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 166.044328][T11840] loop4: detected capacity change from 0 to 256 [ 166.050398][T11836] exfat: Bad value for 'uid' [ 166.057061][T11840] exfat: Bad value for 'uid' [pid 11843] munmap(0x7fb91de38000, 138412032) = 0 [pid 11843] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11843] ioctl(4, LOOP_SET_FD, 3 [pid 11842] <... bpf resumed>) = 8 [pid 11842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11830] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11830] <... futex resumed>) = 0 [pid 11842] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11830] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11843] <... ioctl resumed>) = 0 [pid 11842] <... bpf resumed>) = 9 [pid 11843] close(3 [pid 11842] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... close resumed>) = 0 [pid 11843] close(4) = 0 [pid 11843] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11843] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11842] <... futex resumed>) = 1 [pid 11830] <... futex resumed>) = 0 [pid 11842] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11843] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11833] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11843] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11833] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... openat resumed>) = 3 [pid 11833] <... futex resumed>) = 0 [pid 11843] ioctl(3, LOOP_CLR_FD [pid 11833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11833] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11844 attached [pid 11844] set_robust_list(0x7fb9262379a0, 24 [pid 11833] <... clone3 resumed> => {parent_tid=[11844]}, 88) = 11844 [pid 11833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11844] <... set_robust_list resumed>) = 0 [pid 11833] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11833] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11844] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11844] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11844] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11833] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11844] <... bpf resumed>) = 0 [pid 11833] <... futex resumed>) = 0 [pid 11833] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11844] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11833] <... futex resumed>) = 0 [pid 11844] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11833] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11833] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11840] <... ioctl resumed>) = 0 [pid 11836] <... ioctl resumed>) = 0 [pid 11840] close(3 [pid 11836] close(3 [pid 11844] <... bpf resumed>) = 6 [pid 11840] <... close resumed>) = 0 [pid 11836] <... close resumed>) = 0 [pid 11844] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11836] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11844] <... futex resumed>) = 1 [pid 11840] <... futex resumed>) = 1 [pid 11838] <... futex resumed>) = 0 [pid 11836] <... futex resumed>) = 1 [pid 11835] <... futex resumed>) = 0 [pid 11833] <... futex resumed>) = 0 [pid 11844] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11836] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11835] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11838] <... futex resumed>) = 0 [pid 11836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11835] <... futex resumed>) = 0 [pid 11833] <... futex resumed>) = 0 [pid 11844] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11840] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11836] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11835] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11833] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11844] <... bpf resumed>) = 7 [pid 11840] <... socket resumed>) = 3 [pid 11836] <... socket resumed>) = 3 [pid 11844] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11836] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11844] <... futex resumed>) = 0 [pid 11840] <... futex resumed>) = 1 [pid 11838] <... futex resumed>) = 0 [pid 11836] <... futex resumed>) = 1 [pid 11835] <... futex resumed>) = 0 [pid 11833] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11844] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11836] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11835] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] <... futex resumed>) = 0 [pid 11844] <... bpf resumed>) = 8 [pid 11840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11838] <... futex resumed>) = 0 [pid 11836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11835] <... futex resumed>) = 0 [pid 11833] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11844] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11836] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11835] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11844] <... futex resumed>) = 0 [pid 11840] <... socket resumed>) = 4 [pid 11836] <... socket resumed>) = 4 [pid 11833] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11844] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] <... futex resumed>) = 0 [pid 11844] <... bpf resumed>) = 9 [pid 11840] <... futex resumed>) = 1 [pid 11836] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11844] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11838] <... futex resumed>) = 0 [pid 11833] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11836] <... futex resumed>) = 1 [pid 11835] <... futex resumed>) = 0 [pid 11844] <... futex resumed>) = 0 [pid 11838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11836] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11835] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11844] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11840] <... futex resumed>) = 0 [pid 11838] <... futex resumed>) = 1 [pid 11836] <... sendto resumed>) = 32 [pid 11835] <... futex resumed>) = 0 [pid 11840] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11836] recvfrom(4, [pid 11835] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11840] <... sendto resumed>) = 32 [pid 11836] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11835}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11840] recvfrom(4, [pid 11836] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11838}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11843] <... ioctl resumed>) = 0 [pid 11836] <... futex resumed>) = 1 [pid 11835] <... futex resumed>) = 0 [pid 11843] close(3 [pid 11840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... close resumed>) = 0 [pid 11843] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11839] <... futex resumed>) = 0 [pid 11836] getsockname(4, [pid 11835] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] <... futex resumed>) = 1 [pid 11838] <... futex resumed>) = 0 [pid 11843] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11839] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11836] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11835, nl_groups=00000000}, [116 => 12]) = 0 [pid 11835] <... futex resumed>) = 0 [pid 11838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11840] getsockname(4, [pid 11839] <... futex resumed>) = 0 [pid 11836] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] <... futex resumed>) = 0 [pid 11835] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11843] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11840] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11838, nl_groups=00000000}, [116 => 12]) = 0 [pid 11839] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11836] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11843] <... socket resumed>) = 3 [pid 11840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11836] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11843] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11840] <... futex resumed>) = 0 [pid 11838] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11835] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11843] <... futex resumed>) = 1 [pid 11840] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3e\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11839] <... futex resumed>) = 0 [pid 11838] <... futex resumed>) = 0 [pid 11836] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3b\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11835] <... futex resumed>) = 0 [pid 11843] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11839] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... futex resumed>) = 0 [pid 11839] <... futex resumed>) = 1 [pid 11843] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11839] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11843] <... socket resumed>) = 4 [pid 11843] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11839] <... futex resumed>) = 0 [pid 11843] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11839] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11839] <... futex resumed>) = 0 [pid 11843] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11839] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 166.088842][T11843] loop3: detected capacity change from 0 to 256 [ 166.096484][T11843] exfat: Bad value for 'uid' [ 166.107322][ T318] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 166.129431][T11840] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11835] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11843] <... sendto resumed>) = 32 [pid 11843] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11839}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11843] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11843] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11831] <... sendmsg resumed>) = 64 [pid 11839] <... futex resumed>) = 0 [pid 11831] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... futex resumed>) = 0 [pid 11839] <... futex resumed>) = 1 [pid 11830] exit_group(0 [pid 11843] getsockname(4, [pid 11839] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11831] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 11843] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11839, nl_groups=00000000}, [116 => 12]) = 0 [pid 11842] <... futex resumed>) = ? [pid 11830] <... exit_group resumed>) = ? [pid 11831] +++ exited with 0 +++ [pid 11843] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11842] +++ exited with 0 +++ [pid 11843] <... futex resumed>) = 1 [pid 11839] <... futex resumed>) = 0 [pid 11843] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11839] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11839] <... futex resumed>) = 0 [pid 11843] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3f\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11839] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11838] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11835] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11834] <... sendmsg resumed>) = 64 [pid 11830] +++ exited with 0 +++ [pid 11838] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11835] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11834] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 11834] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11830, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11834] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11838] <... mmap resumed>) = 0x7fb926217000 [pid 11835] <... mmap resumed>) = 0x7fb926217000 [pid 298] <... restart_syscall resumed>) = 0 [pid 11838] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11835] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11838] <... mprotect resumed>) = 0 [pid 11835] <... mprotect resumed>) = 0 [pid 11838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] <... openat resumed>) = 3 [pid 11838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11833] exit_group(0 [pid 298] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11848 attached [pid 11838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11835] <... clone3 resumed> => {parent_tid=[11848]}, 88) = 11848 [pid 298] close(3./strace-static-x86_64: Process 11849 attached [pid 11848] set_robust_list(0x7fb9262379a0, 24 [pid 11844] <... futex resumed>) = ? [pid 11835] rt_sigprocmask(SIG_SETMASK, [], [pid 11834] <... futex resumed>) = ? [pid 11833] <... exit_group resumed>) = ? [pid 298] <... close resumed>) = 0 [pid 11849] set_robust_list(0x7fb9262379a0, 24 [pid 11848] <... set_robust_list resumed>) = 0 [pid 11844] +++ exited with 0 +++ [pid 11838] <... clone3 resumed> => {parent_tid=[11849]}, 88) = 11849 [pid 11835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11834] +++ exited with 0 +++ [pid 11833] +++ exited with 0 +++ [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11849] <... set_robust_list resumed>) = 0 [pid 11848] rt_sigprocmask(SIG_SETMASK, [], [pid 11838] rt_sigprocmask(SIG_SETMASK, [], [pid 11835] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11849] rt_sigprocmask(SIG_SETMASK, [], [pid 11848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11835] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11833, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11835] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11850 ./strace-static-x86_64: Process 11850 attached [pid 11849] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11850] set_robust_list(0x5555555916a0, 24 [pid 11848] <... bpf resumed>) = 5 [pid 11838] <... futex resumed>) = 0 [pid 11838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11850] <... set_robust_list resumed>) = 0 [pid 11849] <... bpf resumed>) = 5 [pid 11848] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11849] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11848] <... futex resumed>) = 1 [pid 11835] <... futex resumed>) = 0 [pid 11850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11835] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11850] <... prctl resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 11850] setpgid(0, 0 [pid 11849] <... futex resumed>) = 1 [pid 11848] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11838] <... futex resumed>) = 0 [pid 11835] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11850] <... setpgid resumed>) = 0 [pid 11849] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11848] <... bpf resumed>) = 0 [pid 11850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11838] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11850] <... openat resumed>) = 3 [pid 11849] <... bpf resumed>) = 0 [pid 11848] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11850] write(3, "1000", 4 [pid 294] <... openat resumed>) = 3 [pid 11850] <... write resumed>) = 4 [pid 11849] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11850] close(3 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11850] <... close resumed>) = 0 [pid 11849] <... futex resumed>) = 1 [pid 11848] <... futex resumed>) = 1 [pid 11838] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 294] close(3 [pid 11849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11835] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 11849] <... bpf resumed>) = 6 [pid 11848] <... bpf resumed>) = 6 [pid 11838] <... futex resumed>) = 0 [ 166.142614][T11836] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 166.157869][T11843] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 11835] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11849] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11848] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11835] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11849] <... futex resumed>) = 0 [pid 11848] <... futex resumed>) = 0 [pid 11839] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11849] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11848] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11839] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11835] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11839] <... futex resumed>) = 0 [pid 11838] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11851 [pid 11848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11835] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11839] <... mmap resumed>) = 0x7fb926217000 [pid 11849] <... bpf resumed>) = 7 [pid 11848] <... bpf resumed>) = 7 [pid 11839] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11849] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11848] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 11851 attached [pid 11850] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11849] <... futex resumed>) = 1 [pid 11848] <... futex resumed>) = 1 [pid 11839] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11838] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 11851] set_robust_list(0x5555555916a0, 24 [pid 11850] <... futex resumed>) = 0 [pid 11849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11848] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11839] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11835] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] <... set_robust_list resumed>) = 0 [pid 11850] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11838] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 11851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11850] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11835] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11851] <... prctl resumed>) = 0 [pid 11850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11839] <... clone3 resumed> => {parent_tid=[11852]}, 88) = 11852 [pid 11851] setpgid(0, 0 [pid 11850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11839] rt_sigprocmask(SIG_SETMASK, [], [pid 11851] <... setpgid resumed>) = 0 [pid 11850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11850] <... mmap resumed>) = 0x7fb926238000 [pid 11839] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] <... openat resumed>) = 3 [pid 11850] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11839] <... futex resumed>) = 0 [pid 11851] write(3, "1000", 4 [pid 11850] <... mprotect resumed>) = 0 [pid 11839] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11851] <... write resumed>) = 4 [pid 11850] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11851] close(3 [pid 11850] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11848] <... bpf resumed>) = 8 [pid 11851] <... close resumed>) = 0 [pid 11850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11849] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 11853 attached ./strace-static-x86_64: Process 11852 attached [pid 11851] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11849] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11848] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] <... futex resumed>) = 0 [pid 11850] <... clone3 resumed> => {parent_tid=[11853]}, 88) = 11853 [pid 11851] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11850] rt_sigprocmask(SIG_SETMASK, [], [pid 11851] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11850] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11850] <... futex resumed>) = 0 [pid 11849] <... futex resumed>) = 1 [pid 11848] <... futex resumed>) = 1 [pid 11838] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 11851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11850] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11851] <... mmap resumed>) = 0x7fb926238000 [pid 11851] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11849] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11852] set_robust_list(0x7fb9262379a0, 24 [pid 11848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11838] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] set_robust_list(0x7fb9262589a0, 24 [pid 11835] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11838] <... futex resumed>) = 0 [pid 11835] <... futex resumed>) = 0 [pid 11851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11848] <... bpf resumed>) = 9 [pid 11838] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11835] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11849] <... bpf resumed>) = 9 ./strace-static-x86_64: Process 11854 attached [pid 11853] <... set_robust_list resumed>) = 0 [pid 11852] <... set_robust_list resumed>) = 0 [pid 11851] <... clone3 resumed> => {parent_tid=[11854]}, 88) = 11854 [pid 11848] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11852] rt_sigprocmask(SIG_SETMASK, [], [pid 11851] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11849] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] set_robust_list(0x7fb9262589a0, 24 [pid 11853] rt_sigprocmask(SIG_SETMASK, [], [pid 11851] <... futex resumed>) = 0 [pid 11848] <... futex resumed>) = 1 [pid 11835] <... futex resumed>) = 0 [pid 11852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11851] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11849] <... futex resumed>) = 1 [pid 11848] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11838] <... futex resumed>) = 0 [pid 11852] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11849] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11854] <... set_robust_list resumed>) = 0 [pid 11853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11852] <... bpf resumed>) = 5 [pid 11854] rt_sigprocmask(SIG_SETMASK, [], [pid 11853] memfd_create("syzkaller", 0 [pid 11852] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11854] memfd_create("syzkaller", 0 [pid 11853] <... memfd_create resumed>) = 3 [pid 11852] <... futex resumed>) = 1 [pid 11839] <... futex resumed>) = 0 [pid 11854] <... memfd_create resumed>) = 3 [pid 11839] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11852] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11839] <... futex resumed>) = 0 [pid 11854] <... mmap resumed>) = 0x7fb91de38000 [pid 11853] <... mmap resumed>) = 0x7fb91de38000 [pid 11852] <... bpf resumed>) = 0 [pid 11839] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11854] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11852] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11854] <... write resumed>) = 131072 [pid 11852] <... futex resumed>) = 0 [pid 11839] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11852] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11839] <... futex resumed>) = 0 [pid 11854] munmap(0x7fb91de38000, 138412032 [pid 11853] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11854] <... munmap resumed>) = 0 [pid 11854] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11852] <... bpf resumed>) = 6 [pid 11839] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11854] <... openat resumed>) = 4 [pid 11852] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11854] ioctl(4, LOOP_SET_FD, 3 [pid 11852] <... futex resumed>) = 0 [pid 11839] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11852] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11839] <... futex resumed>) = 0 [pid 11853] <... write resumed>) = 131072 [pid 11852] <... bpf resumed>) = 7 [pid 11839] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11853] munmap(0x7fb91de38000, 138412032 [pid 11852] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11853] <... munmap resumed>) = 0 [pid 11852] <... futex resumed>) = 0 [pid 11839] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11852] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11839] <... futex resumed>) = 0 [pid 11853] <... openat resumed>) = 4 [pid 11852] <... bpf resumed>) = 8 [pid 11839] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11853] ioctl(4, LOOP_SET_FD, 3 [pid 11852] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11854] <... ioctl resumed>) = 0 [pid 11840] <... sendmsg resumed>) = 64 [pid 11854] close(3 [pid 11840] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] <... close resumed>) = 0 [pid 11840] <... futex resumed>) = 0 [pid 11854] close(4 [pid 11840] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11853] <... ioctl resumed>) = 0 [pid 11852] <... futex resumed>) = 0 [pid 11839] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] close(3 [pid 11852] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11839] <... futex resumed>) = 0 [pid 11854] <... close resumed>) = 0 [pid 11853] <... close resumed>) = 0 [pid 11852] <... bpf resumed>) = 9 [pid 11839] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11838] exit_group(0 [pid 11854] mkdir("./file0", 0777 [pid 11853] close(4 [pid 11852] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11849] <... futex resumed>) = ? [pid 11840] <... futex resumed>) = ? [pid 11838] <... exit_group resumed>) = ? [pid 11854] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11853] <... close resumed>) = 0 [pid 11852] <... futex resumed>) = 1 [pid 11849] +++ exited with 0 +++ [pid 11840] +++ exited with 0 +++ [pid 11839] <... futex resumed>) = 0 [pid 11838] +++ exited with 0 +++ [pid 11854] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11853] mkdir("./file0", 0777 [pid 11852] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11838, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11853] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11853] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11854] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11855 [pid 11854] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11855 attached [pid 11855] set_robust_list(0x5555555916a0, 24) = 0 [pid 11855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11855] setpgid(0, 0) = 0 [pid 11855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11855] write(3, "1000", 4) = 4 [pid 11855] close(3) = 0 [pid 11855] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11855] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11853] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11853] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11853] <... openat resumed>) = 3 [pid 11836] <... sendmsg resumed>) = 64 [pid 11855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11853] ioctl(3, LOOP_CLR_FD [pid 11836] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11835] exit_group(0 [pid 11848] <... futex resumed>) = ? [pid 11836] <... futex resumed>) = ? [pid 11835] <... exit_group resumed>) = ? [pid 11855] <... mmap resumed>) = 0x7fb926238000 [pid 11848] +++ exited with 0 +++ [pid 11836] +++ exited with 0 +++ [pid 11855] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11856]}, 88) = 11856 [pid 11855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11855] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11855] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11856 attached [pid 11856] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11856] memfd_create("syzkaller", 0) = 3 [pid 11856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11856] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11856] munmap(0x7fb91de38000, 138412032) = 0 [pid 11856] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11856] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11856] close(3) = 0 [pid 11854] <... ioctl resumed>) = 0 [pid 11854] close(3) = 0 [pid 11854] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11854] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11851] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11851] <... futex resumed>) = 0 [pid 11854] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11851] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11856] close(4 [pid 11854] <... socket resumed>) = 3 [pid 11854] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11854] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11851] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] <... socket resumed>) = 4 [pid 11851] <... futex resumed>) = 0 [pid 11854] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11854] <... futex resumed>) = 0 [pid 11851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11854] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11851] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] <... sendto resumed>) = 32 [pid 11851] <... futex resumed>) = 0 [pid 11854] recvfrom(4, [pid 11851] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11854] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11851}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11854] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11854] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11851] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] <... close resumed>) = 0 [pid 11854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11851] <... futex resumed>) = 0 [pid 11854] getsockname(4, [pid 11851] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11854] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11851, nl_groups=00000000}, [116 => 12]) = 0 [pid 11854] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11854] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11851] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11851] <... futex resumed>) = 0 [pid 11854] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4b\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11851] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11856] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 166.221594][T11854] loop0: detected capacity change from 0 to 256 [ 166.227606][T11853] loop2: detected capacity change from 0 to 256 [ 166.242117][T11854] exfat: Bad value for 'uid' [ 166.245133][T11853] exfat: Bad value for 'uid' [ 166.264532][T11856] loop4: detected capacity change from 0 to 256 [pid 11856] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11856] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11856] ioctl(3, LOOP_CLR_FD [pid 11835] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11835, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11858 ./strace-static-x86_64: Process 11858 attached [pid 11858] set_robust_list(0x5555555916a0, 24) = 0 [pid 11858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11858] setpgid(0, 0) = 0 [pid 11858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11858] write(3, "1000", 4) = 4 [pid 11858] close(3) = 0 [pid 11858] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11858] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11858] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11859]}, 88) = 11859 [pid 11858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11858] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11858] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11859 attached [pid 11859] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11859] memfd_create("syzkaller", 0) = 3 [pid 11859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11859] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11859] munmap(0x7fb91de38000, 138412032) = 0 [pid 11859] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 166.280940][T11856] exfat: Bad value for 'uid' [pid 11859] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11859] close(3) = 0 [pid 11859] close(4) = 0 [pid 11859] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11859] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11856] <... ioctl resumed>) = 0 [pid 11853] <... ioctl resumed>) = 0 [pid 11843] <... sendmsg resumed>) = 64 [pid 11856] close(3 [pid 11843] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] <... close resumed>) = 0 [pid 11843] <... futex resumed>) = 0 [pid 11856] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11843] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11856] <... futex resumed>) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11856] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11855] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] <... socket resumed>) = 3 [pid 11855] <... futex resumed>) = 0 [pid 11856] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11856] <... futex resumed>) = 0 [pid 11855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11856] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11855] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11839] exit_group(0 [pid 11856] <... socket resumed>) = 4 [pid 11855] <... futex resumed>) = 0 [pid 11853] close(3 [pid 11856] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11856] <... futex resumed>) = 0 [pid 11855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11856] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11855] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11855] <... futex resumed>) = 0 [pid 11853] <... close resumed>) = 0 [pid 11852] <... futex resumed>) = ? [pid 11843] <... futex resumed>) = ? [pid 11839] <... exit_group resumed>) = ? [pid 11856] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11855] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11852] +++ exited with 0 +++ [pid 11859] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11859] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11859] ioctl(3, LOOP_CLR_FD [pid 11843] +++ exited with 0 +++ [pid 11839] +++ exited with 0 +++ [pid 11853] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11850] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11839, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11853] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11850] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11853] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11850] <... futex resumed>) = 0 [pid 11853] <... socket resumed>) = 3 [pid 11850] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11853] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... restart_syscall resumed>) = 0 [pid 11853] <... futex resumed>) = 1 [pid 11850] <... futex resumed>) = 0 [pid 11851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11851] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11850] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] <... mmap resumed>) = 0x7fb926217000 [pid 11853] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11850] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11851] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11850] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11851] <... mprotect resumed>) = 0 [pid 11851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... openat resumed>) = 3 [pid 11853] <... socket resumed>) = 4 [pid 11851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11860]}, 88) = 11860 [pid 11853] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11851] rt_sigprocmask(SIG_SETMASK, [], [pid 11853] <... futex resumed>) = 1 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11850] <... futex resumed>) = 0 [pid 11853] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] close(3 [pid 11850] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11850] <... futex resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 11853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11850] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11853] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11851] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11851] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11861 [pid 11856] <... sendto resumed>) = 32 [pid 11853] <... sendto resumed>) = 32 [pid 11856] recvfrom(4, [pid 11853] recvfrom(4, [pid 11856] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11855}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11853] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11850}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 ./strace-static-x86_64: Process 11861 attached ./strace-static-x86_64: Process 11860 attached [pid 11856] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11861] set_robust_list(0x5555555916a0, 24 [pid 11856] <... futex resumed>) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11853] <... futex resumed>) = 1 [pid 11850] <... futex resumed>) = 0 [pid 11861] <... set_robust_list resumed>) = 0 [pid 11856] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11855] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11850] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11860] set_robust_list(0x7fb9262379a0, 24 [pid 11856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11855] <... futex resumed>) = 0 [pid 11853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11850] <... futex resumed>) = 0 [pid 11860] <... set_robust_list resumed>) = 0 [pid 11860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11860] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11860] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11860] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11851] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11860] <... bpf resumed>) = 0 [pid 11851] <... futex resumed>) = 0 [pid 11860] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11860] <... futex resumed>) = 0 [pid 11856] getsockname(4, [pid 11855] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11853] getsockname(4, [pid 11851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11850] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11861] <... prctl resumed>) = 0 [pid 11860] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11856] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11855, nl_groups=00000000}, [116 => 12]) = 0 [pid 11853] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11850, nl_groups=00000000}, [116 => 12]) = 0 [pid 11851] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11856] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11851] <... futex resumed>) = 0 [pid 11860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11856] <... futex resumed>) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11853] <... futex resumed>) = 1 [pid 11851] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11850] <... futex resumed>) = 0 [pid 11861] setpgid(0, 0 [pid 11856] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4f\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11855] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11850] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11861] <... setpgid resumed>) = 0 [pid 11860] <... bpf resumed>) = 6 [pid 11860] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11860] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11851] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11851] <... futex resumed>) = 0 [pid 11860] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11851] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11860] <... bpf resumed>) = 7 [pid 11860] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11860] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11851] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11851] <... futex resumed>) = 0 [pid 11860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11851] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11860] <... bpf resumed>) = 8 [pid 11855] <... futex resumed>) = 0 [pid 11853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11850] <... futex resumed>) = 0 [pid 11860] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11860] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11851] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4a\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11850] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11855] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11851] <... futex resumed>) = 0 [pid 11860] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11851] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11860] <... bpf resumed>) = 9 [pid 11860] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11851] <... futex resumed>) = 0 [pid 11860] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11861] write(3, "1000", 4) = 4 [pid 11861] close(3) = 0 [pid 11861] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11861] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11861] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11864]}, 88) = 11864 [pid 11861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11861] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11861] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11864 attached [pid 11864] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11864] memfd_create("syzkaller", 0) = 3 [pid 11864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11864] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11864] munmap(0x7fb91de38000, 138412032) = 0 [pid 11864] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 166.308809][T11859] loop1: detected capacity change from 0 to 256 [ 166.316058][T11859] exfat: Bad value for 'uid' [pid 11864] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11864] close(3) = 0 [pid 11864] close(4) = 0 [pid 11864] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11864] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11864] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11864] ioctl(3, LOOP_CLR_FD [pid 11859] <... ioctl resumed>) = 0 [pid 11859] close(3) = 0 [pid 11859] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11858] <... futex resumed>) = 0 [pid 11859] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11858] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11859] <... socket resumed>) = 3 [pid 11858] <... futex resumed>) = 0 [pid 11859] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11858] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11859] <... futex resumed>) = 0 [pid 11858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11859] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11858] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11859] <... socket resumed>) = 4 [pid 11858] <... futex resumed>) = 0 [pid 11859] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11858] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11859] <... futex resumed>) = 0 [pid 11858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11859] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11858] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11859] <... sendto resumed>) = 32 [pid 11858] <... futex resumed>) = 0 [pid 11859] recvfrom(4, [pid 11858] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11859] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11858}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11859] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11858] <... futex resumed>) = 0 [pid 11859] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11858] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11858] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11859] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11858, nl_groups=00000000}, [116 => 12]) = 0 [pid 11859] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11858] <... futex resumed>) = 0 [pid 11859] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11858] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11859] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x52\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11858] <... futex resumed>) = 0 [pid 11858] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11850] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11855] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11850] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] <... futex resumed>) = 0 [pid 11850] <... futex resumed>) = 0 [pid 11855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11855] <... mmap resumed>) = 0x7fb926217000 [pid 11850] <... mmap resumed>) = 0x7fb926217000 [pid 11855] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11850] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11855] <... mprotect resumed>) = 0 [pid 11850] <... mprotect resumed>) = 0 [pid 11855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11850] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11850] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11866 attached ./strace-static-x86_64: Process 11867 attached [pid 11866] set_robust_list(0x7fb9262379a0, 24 [pid 11855] <... clone3 resumed> => {parent_tid=[11866]}, 88) = 11866 [pid 11850] <... clone3 resumed> => {parent_tid=[11867]}, 88) = 11867 [pid 11855] rt_sigprocmask(SIG_SETMASK, [], [pid 11850] rt_sigprocmask(SIG_SETMASK, [], [pid 11855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11855] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11850] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] <... futex resumed>) = 0 [pid 11850] <... futex resumed>) = 0 [pid 11867] set_robust_list(0x7fb9262379a0, 24 [pid 11866] <... set_robust_list resumed>) = 0 [pid 11855] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11850] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11867] <... set_robust_list resumed>) = 0 [pid 11867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11867] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11866] rt_sigprocmask(SIG_SETMASK, [], [pid 11867] <... bpf resumed>) = 5 [pid 11867] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11850] <... futex resumed>) = 0 [pid 11867] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11850] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11867] <... bpf resumed>) = 0 [pid 11850] <... futex resumed>) = 0 [pid 11867] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11850] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11867] <... futex resumed>) = 0 [pid 11850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11867] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11850] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11866] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11850] <... futex resumed>) = 0 [pid 11867] <... bpf resumed>) = 6 [pid 11866] <... bpf resumed>) = 5 [pid 11850] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11867] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11866] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11867] <... futex resumed>) = 1 [pid 11866] <... futex resumed>) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11850] <... futex resumed>) = 0 [pid 11867] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11866] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11855] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11850] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11855] <... futex resumed>) = 0 [pid 11850] <... futex resumed>) = 0 [pid 11867] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11855] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11850] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11867] <... bpf resumed>) = 7 [pid 11866] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11867] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11866] <... bpf resumed>) = 0 [pid 11867] <... futex resumed>) = 1 [pid 11850] <... futex resumed>) = 0 [pid 11866] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11867] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11850] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11866] <... futex resumed>) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11850] <... futex resumed>) = 0 [pid 11867] <... bpf resumed>) = 8 [pid 11866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11855] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11850] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11867] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] <... futex resumed>) = 0 [pid 11850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11867] <... futex resumed>) = 0 [pid 11855] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11850] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11867] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11850] <... futex resumed>) = 0 [pid 11867] <... bpf resumed>) = 9 [pid 11866] <... bpf resumed>) = 6 [pid 11850] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11867] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11866] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11867] <... futex resumed>) = 1 [pid 11850] <... futex resumed>) = 0 [pid 11867] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11866] <... futex resumed>) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11866] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11855] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11855] <... futex resumed>) = 0 [pid 11866] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11855] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11866] <... bpf resumed>) = 7 [pid 11866] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11866] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11855] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11855] <... futex resumed>) = 0 [pid 11855] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11866] <... bpf resumed>) = 8 [pid 11866] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11866] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11855] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11855] <... futex resumed>) = 0 [pid 11866] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11855] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11866] <... bpf resumed>) = 9 [pid 11866] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11855] <... futex resumed>) = 0 [pid 11866] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11864] <... ioctl resumed>) = 0 [pid 11864] close(3) = 0 [pid 11864] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11861] <... futex resumed>) = 0 [pid 11864] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11861] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11864] <... futex resumed>) = 0 [pid 11861] <... futex resumed>) = 1 [pid 11864] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11861] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11864] <... socket resumed>) = 3 [pid 11864] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11861] <... futex resumed>) = 0 [pid 11864] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11861] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11861] <... futex resumed>) = 0 [pid 11864] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11861] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11864] <... socket resumed>) = 4 [pid 11864] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11861] <... futex resumed>) = 0 [pid 11864] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11861] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11861] <... futex resumed>) = 0 [pid 11864] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11861] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11864] <... sendto resumed>) = 32 [ 166.366403][T11864] loop3: detected capacity change from 0 to 256 [ 166.375373][T11864] exfat: Bad value for 'uid' [pid 11864] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11861}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11864] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11861] <... futex resumed>) = 0 [pid 11864] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11861] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11861] <... futex resumed>) = 0 [pid 11864] getsockname(4, [pid 11861] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11864] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11861, nl_groups=00000000}, [116 => 12]) = 0 [pid 11864] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11861] <... futex resumed>) = 0 [pid 11864] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x55\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11861] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11861] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11858] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11858] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11869 attached => {parent_tid=[11869]}, 88) = 11869 [pid 11858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11858] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11858] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11869] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11869] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11869] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11858] <... futex resumed>) = 0 [pid 11858] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11858] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11869] <... futex resumed>) = 1 [pid 11869] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11869] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11858] <... futex resumed>) = 0 [pid 11869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11858] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11869] <... bpf resumed>) = 6 [pid 11858] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11869] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11858] <... futex resumed>) = 0 [pid 11869] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11858] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11869] <... bpf resumed>) = 7 [pid 11858] <... futex resumed>) = 0 [pid 11869] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11858] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11869] <... futex resumed>) = 0 [pid 11858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11858] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11858] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11869] <... bpf resumed>) = 8 [pid 11869] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11858] <... futex resumed>) = 0 [pid 11869] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11858] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11869] <... bpf resumed>) = 9 [pid 11858] <... futex resumed>) = 0 [pid 11869] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11858] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11869] <... futex resumed>) = 0 [pid 11858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11869] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11856] <... sendmsg resumed>) = 64 [pid 11853] <... sendmsg resumed>) = 64 [pid 11854] <... sendmsg resumed>) = 64 [pid 11856] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11854] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11853] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11855] exit_group(0 [pid 11856] <... futex resumed>) = ? [pid 11854] <... futex resumed>) = 0 [pid 11853] <... futex resumed>) = 0 [pid 11866] <... futex resumed>) = ? [pid 11855] <... exit_group resumed>) = ? [pid 11854] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11853] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11866] +++ exited with 0 +++ [pid 11851] exit_group(0 [pid 11850] exit_group(0 [pid 11867] <... futex resumed>) = ? [pid 11860] <... futex resumed>) = ? [pid 11854] <... futex resumed>) = ? [pid 11851] <... exit_group resumed>) = ? [pid 11850] <... exit_group resumed>) = ? [pid 11867] +++ exited with 0 +++ [pid 11860] +++ exited with 0 +++ [pid 11856] +++ exited with 0 +++ [pid 11855] +++ exited with 0 +++ [pid 11854] +++ exited with 0 +++ [pid 11853] <... futex resumed>) = ? [pid 11853] +++ exited with 0 +++ [pid 11851] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11851, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11870 ./strace-static-x86_64: Process 11870 attached [pid 11870] set_robust_list(0x5555555916a0, 24) = 0 [pid 11870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11870] setpgid(0, 0) = 0 [pid 11870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11870] write(3, "1000", 4) = 4 [pid 11870] close(3) = 0 [pid 11870] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11870] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11870] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11870] <... mprotect resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 11870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11871 ./strace-static-x86_64: Process 11871 attached [pid 11871] set_robust_list(0x5555555916a0, 24) = 0 [pid 11871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11861] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11861] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11871] setpgid(0, 0 [pid 11861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11861] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11861] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11872]}, 88) = 11872 [pid 11861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11861] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11861] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11870] <... clone3 resumed> => {parent_tid=[11873]}, 88) = 11873 ./strace-static-x86_64: Process 11873 attached ./strace-static-x86_64: Process 11872 attached [pid 11872] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11872] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11871] <... setpgid resumed>) = 0 [pid 11870] rt_sigprocmask(SIG_SETMASK, [], [pid 11872] <... bpf resumed>) = 5 [pid 11870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11873] set_robust_list(0x7fb9262589a0, 24 [pid 11870] <... futex resumed>) = 0 [pid 11873] <... set_robust_list resumed>) = 0 [pid 11870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11872] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11861] <... futex resumed>) = 0 [pid 11861] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11861] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11872] <... futex resumed>) = 1 [pid 11872] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11872] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11861] <... futex resumed>) = 0 [pid 11861] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11861] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11873] memfd_create("syzkaller", 0 [pid 11871] <... openat resumed>) = 3 [pid 11873] <... memfd_create resumed>) = 3 [pid 11871] write(3, "1000", 4 [pid 11873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11871] <... write resumed>) = 4 [pid 11872] <... futex resumed>) = 1 [pid 11872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11873] <... mmap resumed>) = 0x7fb91de38000 [pid 11871] close(3) = 0 [pid 11872] <... bpf resumed>) = 6 [pid 11872] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11861] <... futex resumed>) = 0 [pid 11861] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11861] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11872] <... futex resumed>) = 1 [pid 11872] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11871] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11871] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11873] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11873] <... write resumed>) = 131072 [pid 11871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11871] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11873] munmap(0x7fb91de38000, 138412032 [pid 11871] <... mprotect resumed>) = 0 [pid 11873] <... munmap resumed>) = 0 [pid 11871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11873] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 11874 attached [pid 11871] <... clone3 resumed> => {parent_tid=[11874]}, 88) = 11874 [pid 11873] <... openat resumed>) = 4 [pid 11874] set_robust_list(0x7fb9262589a0, 24 [pid 11873] ioctl(4, LOOP_SET_FD, 3 [pid 11874] <... set_robust_list resumed>) = 0 [pid 11871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11874] rt_sigprocmask(SIG_SETMASK, [], [pid 11871] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11871] <... futex resumed>) = 0 [pid 11874] memfd_create("syzkaller", 0 [pid 11871] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11874] <... memfd_create resumed>) = 3 [pid 11872] <... bpf resumed>) = 7 [pid 11859] <... sendmsg resumed>) = 64 [pid 11850] +++ exited with 0 +++ [pid 11872] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11872] <... futex resumed>) = 1 [pid 11861] <... futex resumed>) = 0 [pid 11872] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11861] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11873] <... ioctl resumed>) = 0 [pid 11872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11861] <... futex resumed>) = 0 [pid 11859] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11858] exit_group(0 [pid 11873] close(3 [pid 11872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11869] <... futex resumed>) = ? [pid 11861] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11859] <... futex resumed>) = ? [pid 11858] <... exit_group resumed>) = ? [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11872] <... bpf resumed>) = 8 [pid 11869] +++ exited with 0 +++ [pid 11859] +++ exited with 0 +++ [pid 298] <... openat resumed>) = 3 [pid 11872] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11872] <... futex resumed>) = 1 [pid 11861] <... futex resumed>) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11872] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11861] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] close(3 [pid 11861] <... futex resumed>) = 0 [pid 11874] <... mmap resumed>) = 0x7fb91de38000 [pid 11873] <... close resumed>) = 0 [pid 11861] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 298] <... close resumed>) = 0 [pid 11873] close(4 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11873] <... close resumed>) = 0 [pid 11873] mkdir("./file0", 0777 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11875 [pid 11873] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11873] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11873] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11873] ioctl(3, LOOP_CLR_FD [pid 11874] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 11875 attached ) = 131072 [pid 11875] set_robust_list(0x5555555916a0, 24) = 0 [pid 11874] munmap(0x7fb91de38000, 138412032 [pid 11875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11874] <... munmap resumed>) = 0 [pid 11874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11874] ioctl(4, LOOP_SET_FD, 3 [pid 11875] setpgid(0, 0) = 0 [pid 11875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11875] write(3, "1000", 4) = 4 [pid 11875] close(3) = 0 [pid 11875] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11875] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11875] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11875] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11876]}, 88) = 11876 [pid 11875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11876 attached [pid 11876] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11876] rt_sigprocmask(SIG_SETMASK, [], [pid 11874] <... ioctl resumed>) = 0 [pid 11858] +++ exited with 0 +++ [pid 11876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11872] <... bpf resumed>) = 9 [pid 11874] close(3 [pid 11872] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] <... close resumed>) = 0 [pid 11872] <... futex resumed>) = 1 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11858, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11861] <... futex resumed>) = 0 [pid 11872] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11874] close(4 [pid 297] <... openat resumed>) = 3 [pid 11876] memfd_create("syzkaller", 0 [pid 11874] <... close resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11877 [pid 11874] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11874] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11876] <... memfd_create resumed>) = 3 [pid 11876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 ./strace-static-x86_64: Process 11877 attached [pid 11877] set_robust_list(0x5555555916a0, 24 [pid 11874] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11877] <... set_robust_list resumed>) = 0 [pid 11874] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11876] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11877] <... prctl resumed>) = 0 [pid 11874] <... openat resumed>) = 3 [pid 11877] setpgid(0, 0 [pid 11874] ioctl(3, LOOP_CLR_FD [pid 11877] <... setpgid resumed>) = 0 [pid 11877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11877] write(3, "1000", 4 [pid 11876] <... write resumed>) = 131072 [pid 11877] <... write resumed>) = 4 [pid 11877] close(3 [pid 11876] munmap(0x7fb91de38000, 138412032 [pid 11877] <... close resumed>) = 0 [pid 11877] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11877] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11877] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11876] <... munmap resumed>) = 0 [pid 11876] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11877] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11876] <... openat resumed>) = 4 [pid 11877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11876] ioctl(4, LOOP_SET_FD, 3 [pid 11877] <... clone3 resumed> => {parent_tid=[11878]}, 88) = 11878 [pid 11877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11877] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11877] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11878 attached [ 166.493000][T11873] loop4: detected capacity change from 0 to 256 [ 166.507856][T11873] exfat: Bad value for 'uid' [ 166.514741][T11874] loop0: detected capacity change from 0 to 256 [ 166.524246][T11874] exfat: Bad value for 'uid' [pid 11878] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11878] memfd_create("syzkaller", 0) = 3 [pid 11878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11878] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11878] munmap(0x7fb91de38000, 138412032 [pid 11876] <... ioctl resumed>) = 0 [pid 11878] <... munmap resumed>) = 0 [pid 11876] close(3) = 0 [pid 11876] close(4 [pid 11878] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11876] <... close resumed>) = 0 [pid 11878] ioctl(4, LOOP_SET_FD, 3 [pid 11873] <... ioctl resumed>) = 0 [pid 11873] close(3) = 0 [pid 11873] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11870] <... futex resumed>) = 0 [pid 11873] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 11870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11873] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11870] <... futex resumed>) = 0 [pid 11873] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11873] <... futex resumed>) = 0 [pid 11870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11873] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11870] <... futex resumed>) = 0 [pid 11873] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11873] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11873] <... futex resumed>) = 0 [pid 11870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] mkdir("./file0", 0777 [pid 11873] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11870] <... futex resumed>) = 0 [pid 11876] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11873] <... sendto resumed>) = 32 [pid 11870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11873] recvfrom(4, [pid 11874] <... ioctl resumed>) = 0 [pid 11873] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11870}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11874] close(3 [pid 11873] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11864] <... sendmsg resumed>) = 64 [pid 11874] <... close resumed>) = 0 [pid 11873] <... futex resumed>) = 1 [pid 11870] <... futex resumed>) = 0 [pid 11864] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11873] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11864] <... futex resumed>) = 0 [pid 11874] <... futex resumed>) = 1 [pid 11873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11871] <... futex resumed>) = 0 [pid 11870] <... futex resumed>) = 0 [pid 11864] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11878] <... ioctl resumed>) = 0 [pid 11876] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11874] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11873] getsockname(4, [pid 11871] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11861] exit_group(0 [pid 11878] close(3 [pid 11876] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11873] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11870, nl_groups=00000000}, [116 => 12]) = 0 [pid 11872] <... futex resumed>) = ? [pid 11871] <... futex resumed>) = 0 [pid 11864] <... futex resumed>) = ? [pid 11861] <... exit_group resumed>) = ? [pid 11878] <... close resumed>) = 0 [pid 11876] <... openat resumed>) = 3 [pid 11874] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11873] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11872] +++ exited with 0 +++ [pid 11871] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11864] +++ exited with 0 +++ [pid 11873] <... futex resumed>) = 1 [pid 11870] <... futex resumed>) = 0 [pid 11873] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11870] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] close(4 [pid 11876] ioctl(3, LOOP_CLR_FD [pid 11874] <... socket resumed>) = 3 [pid 11873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11870] <... futex resumed>) = 0 [pid 11861] +++ exited with 0 +++ [pid 11873] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5e\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11870] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11861, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11880 [pid 11874] <... futex resumed>) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11874] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11871] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] <... socket resumed>) = 4 [pid 11871] <... futex resumed>) = 0 [pid 11871] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11880 attached [pid 11880] set_robust_list(0x5555555916a0, 24) = 0 [pid 11880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11880] setpgid(0, 0) = 0 [pid 11880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11880] write(3, "1000", 4) = 4 [pid 11880] close(3) = 0 [pid 11880] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11880] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11874] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11871] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11871] <... futex resumed>) = 0 [pid 11874] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11871] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11874] <... sendto resumed>) = 32 [pid 11880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11881]}, 88) = 11881 [pid 11880] rt_sigprocmask(SIG_SETMASK, [], [pid 11874] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11871}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11878] <... close resumed>) = 0 [pid 11874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] mkdir("./file0", 0777 [pid 11874] <... futex resumed>) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11874] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11871] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11871] <... futex resumed>) = 0 [pid 11878] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11874] getsockname(4, [pid 11871] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11874] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11871, nl_groups=00000000}, [116 => 12]) = 0 [ 166.546722][T11876] loop2: detected capacity change from 0 to 256 [ 166.554963][T11878] loop1: detected capacity change from 0 to 256 [ 166.571320][T11876] exfat: Bad value for 'uid' [pid 11874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11880] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11881 attached [pid 11881] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11881] memfd_create("syzkaller", 0) = 3 [pid 11881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11871] <... futex resumed>) = 0 [pid 11878] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11871] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11871] <... futex resumed>) = 0 [pid 11878] <... openat resumed>) = 3 [pid 11871] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11878] ioctl(3, LOOP_CLR_FD [pid 11881] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11881] munmap(0x7fb91de38000, 138412032 [pid 11874] <... futex resumed>) = 1 [pid 11874] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5f\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11881] <... munmap resumed>) = 0 [pid 11881] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11881] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11881] close(3) = 0 [pid 11881] close(4) = 0 [pid 11881] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11881] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11881] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11881] ioctl(3, LOOP_CLR_FD) = 0 [pid 11881] close(3) = 0 [pid 11881] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11880] <... futex resumed>) = 0 [pid 11880] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11881] <... futex resumed>) = 1 [pid 11881] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11881] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11880] <... futex resumed>) = 0 [pid 11880] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11881] <... futex resumed>) = 1 [pid 11881] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11881] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] <... ioctl resumed>) = 0 [pid 11880] <... futex resumed>) = 0 [pid 11880] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11881] <... futex resumed>) = 1 [pid 11881] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11876] <... ioctl resumed>) = 0 [pid 11881] <... sendto resumed>) = 32 [pid 11881] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11880}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11870] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11870] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11884]}, 88) = 11884 [pid 11870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] close(3 [pid 11878] close(3 [pid 11876] <... close resumed>) = 0 [pid 11881] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11880] <... futex resumed>) = 0 [pid 11880] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11881] <... futex resumed>) = 1 [pid 11881] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11880, nl_groups=00000000}, [116 => 12]) = 0 [pid 11881] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11880] <... futex resumed>) = 0 [pid 11880] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11881] <... futex resumed>) = 1 [pid 11881] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x68\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11876] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] <... close resumed>) = 0 [pid 11878] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] <... futex resumed>) = 1 [pid 11875] <... futex resumed>) = 0 [pid 11875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] <... futex resumed>) = 1 [pid 11877] <... futex resumed>) = 0 [pid 11876] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11875] <... futex resumed>) = 0 [pid 11878] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11877] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] <... socket resumed>) = 3 [pid 11877] <... futex resumed>) = 0 [pid 11875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11878] <... socket resumed>) = 3 [pid 11877] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11878] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] <... futex resumed>) = 0 [pid 11875] <... futex resumed>) = 0 [pid 11878] <... futex resumed>) = 1 [pid 11877] <... futex resumed>) = 0 [pid 11875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11878] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11877] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11877] <... futex resumed>) = 0 [pid 11878] <... socket resumed>) = 4 [pid 11877] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] <... socket resumed>) = 4 [pid 11878] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11877] <... futex resumed>) = 0 [pid 11876] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11877] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] <... futex resumed>) = 1 [pid 11875] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 0 [pid 11876] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11875] <... futex resumed>) = 0 [pid 11876] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11884 attached [pid 11884] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11884] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11870] <... futex resumed>) = 0 [pid 11870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11884] <... futex resumed>) = 1 [pid 11884] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11878] <... sendto resumed>) = 32 [pid 11876] <... sendto resumed>) = 32 [pid 11878] recvfrom(4, [pid 11876] recvfrom(4, [pid 11878] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11877}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11876] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11875}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11884] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] <... futex resumed>) = 1 [pid 11877] <... futex resumed>) = 0 [pid 11876] <... futex resumed>) = 1 [pid 11875] <... futex resumed>) = 0 [pid 11878] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11877] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11877] <... futex resumed>) = 0 [pid 11876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11875] <... futex resumed>) = 0 [pid 11878] getsockname(4, [pid 11877] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] getsockname(4, [pid 11875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11878] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11877, nl_groups=00000000}, [116 => 12]) = 0 [pid 11876] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11875, nl_groups=00000000}, [116 => 12]) = 0 [pid 11878] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] <... futex resumed>) = 1 [pid 11877] <... futex resumed>) = 0 [pid 11876] <... futex resumed>) = 1 [pid 11878] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11877] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11876] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11875] <... futex resumed>) = 0 [pid 11878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11877] <... futex resumed>) = 0 [pid 11875] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11878] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x65\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11877] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] <... futex resumed>) = 0 [pid 11875] <... futex resumed>) = 1 [pid 11876] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x63\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11875] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11870] <... futex resumed>) = 0 [pid 11870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11884] <... futex resumed>) = 1 [pid 11884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11871] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11884] <... bpf resumed>) = 6 [pid 11871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11884] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11871] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11884] <... futex resumed>) = 1 [pid 11870] <... futex resumed>) = 0 [pid 11870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11884] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11871] <... mprotect resumed>) = 0 [ 166.598540][T11878] exfat: Bad value for 'uid' [ 166.606763][T11881] loop3: detected capacity change from 0 to 256 [ 166.617053][T11881] exfat: Bad value for 'uid' [pid 11871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11870] <... futex resumed>) = 0 [pid 11870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11884] <... futex resumed>) = 1 [pid 11871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11888]}, 88) = 11888 [pid 11871] rt_sigprocmask(SIG_SETMASK, [], [pid 11884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11871] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11888 attached [pid 11871] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11888] set_robust_list(0x7fb9262379a0, 24 [pid 11871] <... futex resumed>) = 0 [pid 11888] <... set_robust_list resumed>) = 0 [pid 11884] <... bpf resumed>) = 8 [pid 11871] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11888] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11888] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11888] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11871] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11884] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11871] <... futex resumed>) = 0 [pid 11884] <... futex resumed>) = 1 [pid 11871] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11870] <... futex resumed>) = 0 [pid 11884] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11870] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11870] <... futex resumed>) = 0 [pid 11884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11870] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11888] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11888] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11884] <... bpf resumed>) = 9 [pid 11871] <... futex resumed>) = 0 [pid 11884] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11871] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11884] <... futex resumed>) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11870] <... futex resumed>) = 0 [pid 11888] <... bpf resumed>) = 6 [pid 11884] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11871] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11888] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11888] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11871] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11888] <... bpf resumed>) = 7 [pid 11871] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11888] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11888] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11871] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11871] <... futex resumed>) = 0 [pid 11888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11871] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11888] <... bpf resumed>) = 8 [pid 11888] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11888] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11871] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11888] <... bpf resumed>) = 9 [pid 11871] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11888] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11871] <... futex resumed>) = 0 [pid 11888] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11873] <... sendmsg resumed>) = 64 [pid 11873] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11870] exit_group(0 [pid 11884] <... futex resumed>) = ? [pid 11870] <... exit_group resumed>) = ? [pid 11884] +++ exited with 0 +++ [pid 11880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11873] +++ exited with 0 +++ [pid 11880] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11880] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11889 attached [pid 11889] set_robust_list(0x7fb9262379a0, 24 [pid 11880] <... clone3 resumed> => {parent_tid=[11889]}, 88) = 11889 [pid 11889] <... set_robust_list resumed>) = 0 [pid 11880] rt_sigprocmask(SIG_SETMASK, [], [pid 11889] rt_sigprocmask(SIG_SETMASK, [], [pid 11880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11880] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11889] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11880] <... futex resumed>) = 0 [pid 11889] <... bpf resumed>) = 5 [pid 11880] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11889] <... futex resumed>) = 0 [pid 11880] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11889] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11880] <... futex resumed>) = 0 [pid 11889] <... bpf resumed>) = 0 [pid 11880] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11880] <... futex resumed>) = 0 [pid 11889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11880] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11880] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11889] <... bpf resumed>) = 6 [pid 11889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11880] <... futex resumed>) = 0 [pid 11889] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11880] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11880] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11877] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11875] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11875] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11875] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 0 [pid 11875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11875] <... mmap resumed>) = 0x7fb926217000 [pid 11877] <... mmap resumed>) = 0x7fb926217000 [pid 11875] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11877] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11875] <... mprotect resumed>) = 0 [pid 11874] <... sendmsg resumed>) = 64 [pid 11877] <... mprotect resumed>) = 0 [pid 11875] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11874] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11875] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11874] <... futex resumed>) = 0 [pid 11871] exit_group(0 [pid 11877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11888] <... futex resumed>) = ? [pid 11877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11871] <... exit_group resumed>) = ? [pid 11888] +++ exited with 0 +++ [pid 11874] +++ exited with 0 +++ [pid 11875] <... clone3 resumed> => {parent_tid=[11891]}, 88) = 11891 [pid 11877] <... clone3 resumed> => {parent_tid=[11890]}, 88) = 11890 [pid 11875] rt_sigprocmask(SIG_SETMASK, [], [pid 11877] rt_sigprocmask(SIG_SETMASK, [], [pid 11875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11875] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 0 [pid 11875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11877] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11890 attached [pid 11890] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11890] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11877] <... futex resumed>) = 0 [pid 11890] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11877] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11877] <... futex resumed>) = 0 [pid 11890] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11877] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11890] <... bpf resumed>) = 0 [pid 11890] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11877] <... futex resumed>) = 0 [pid 11890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11877] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11891 attached [pid 11890] <... bpf resumed>) = 6 [pid 11877] <... futex resumed>) = 0 [pid 11877] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11890] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11877] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] set_robust_list(0x7fb9262379a0, 24 [pid 11890] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 0 [pid 11877] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11891] <... set_robust_list resumed>) = 0 [pid 11891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11891] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11875] <... futex resumed>) = 0 [pid 11875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] <... futex resumed>) = 1 [pid 11875] <... futex resumed>) = 0 [pid 11891] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11891] <... bpf resumed>) = 0 [pid 11891] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11875] <... futex resumed>) = 0 [pid 11891] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11875] <... futex resumed>) = 0 [pid 11891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11891] <... bpf resumed>) = 6 [pid 11891] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11875] <... futex resumed>) = 0 [pid 11891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11870] +++ exited with 0 +++ [pid 11891] <... bpf resumed>) = 7 [pid 11890] <... bpf resumed>) = 7 [pid 11891] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11890] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11889] <... bpf resumed>) = 7 [pid 11871] +++ exited with 0 +++ [pid 11891] <... futex resumed>) = 1 [pid 11890] <... futex resumed>) = 1 [pid 11889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] <... futex resumed>) = 0 [pid 11875] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11870, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11889] <... futex resumed>) = 1 [pid 11880] <... futex resumed>) = 0 [pid 11877] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11871, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11889] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11880] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] <... futex resumed>) = 0 [pid 11875] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11880] <... futex resumed>) = 0 [pid 11877] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] ioctl(3, LOOP_CLR_FD [pid 294] <... openat resumed>) = 3 [pid 11889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11880] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] ioctl(3, LOOP_CLR_FD [pid 300] close(3 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11891] <... bpf resumed>) = 8 [pid 11890] <... bpf resumed>) = 8 [pid 11889] <... bpf resumed>) = 8 [pid 300] <... close resumed>) = 0 [pid 11891] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11890] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] <... futex resumed>) = 1 [pid 11890] <... futex resumed>) = 1 [pid 11889] <... futex resumed>) = 1 [pid 11880] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 0 [pid 11875] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] close(3 [pid 11891] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11890] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11889] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11877] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11877] <... futex resumed>) = 0 [pid 11890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11877] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11880] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11889] <... futex resumed>) = 0 [pid 11880] <... futex resumed>) = 1 [pid 11889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11880] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11875] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] <... futex resumed>) = 0 [pid 11875] <... futex resumed>) = 1 [pid 11891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11875] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11892 [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11893 ./strace-static-x86_64: Process 11892 attached [pid 11892] set_robust_list(0x5555555916a0, 24) = 0 [pid 11892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11892] setpgid(0, 0) = 0 [pid 11892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11892] write(3, "1000", 4) = 4 [pid 11892] close(3) = 0 [pid 11892] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11892] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 11893 attached NULL, 8) = 0 [pid 11893] set_robust_list(0x5555555916a0, 24) = 0 [pid 11892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11892] <... mmap resumed>) = 0x7fb926238000 [pid 11893] <... prctl resumed>) = 0 [pid 11892] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11893] setpgid(0, 0 [pid 11892] <... mprotect resumed>) = 0 [pid 11893] <... setpgid resumed>) = 0 [pid 11892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11893] <... openat resumed>) = 3 [pid 11892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11893] write(3, "1000", 4) = 4 [pid 11893] close(3 [pid 11892] <... clone3 resumed> => {parent_tid=[11894]}, 88) = 11894 [pid 11893] <... close resumed>) = 0 [pid 11892] rt_sigprocmask(SIG_SETMASK, [], [pid 11893] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11893] <... futex resumed>) = 0 [pid 11892] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11892] <... futex resumed>) = 0 [pid 11893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11892] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 ./strace-static-x86_64: Process 11894 attached [pid 11894] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11881] <... sendmsg resumed>) = 64 [pid 11893] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11891] <... bpf resumed>) = 9 [pid 11890] <... bpf resumed>) = 9 [pid 11889] <... bpf resumed>) = 9 [pid 11881] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11893] <... mprotect resumed>) = 0 [pid 11891] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11890] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11889] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11881] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11891] <... futex resumed>) = 1 [pid 11890] <... futex resumed>) = 1 [pid 11889] <... futex resumed>) = 1 [pid 11880] <... futex resumed>) = 0 [pid 11877] <... futex resumed>) = 0 [pid 11875] <... futex resumed>) = 0 [pid 11893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11891] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11890] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11889] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11880] exit_group(0./strace-static-x86_64: Process 11895 attached [pid 11889] <... futex resumed>) = ? [pid 11881] <... futex resumed>) = ? [pid 11880] <... exit_group resumed>) = ? [pid 11895] set_robust_list(0x7fb9262589a0, 24 [pid 11893] <... clone3 resumed> => {parent_tid=[11895]}, 88) = 11895 [pid 11889] +++ exited with 0 +++ [pid 11881] +++ exited with 0 +++ [pid 11880] +++ exited with 0 +++ [pid 11895] <... set_robust_list resumed>) = 0 [pid 11893] rt_sigprocmask(SIG_SETMASK, [], [pid 11895] rt_sigprocmask(SIG_SETMASK, [], [pid 11894] rt_sigprocmask(SIG_SETMASK, [], [pid 11895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11893] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11893] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11893] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11896 ./strace-static-x86_64: Process 11896 attached [pid 11896] set_robust_list(0x5555555916a0, 24) = 0 [pid 11896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11896] setpgid(0, 0) = 0 [pid 11896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11894] memfd_create("syzkaller", 0 [pid 11896] write(3, "1000", 4 [pid 11894] <... memfd_create resumed>) = 3 [pid 11894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11896] <... write resumed>) = 4 [pid 11896] close(3 [pid 11895] memfd_create("syzkaller", 0 [pid 11894] <... mmap resumed>) = 0x7fb91de38000 [pid 11895] <... memfd_create resumed>) = 3 [pid 11895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11896] <... close resumed>) = 0 [pid 11896] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11896] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11896] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11894] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11895] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11896] <... clone3 resumed> => {parent_tid=[11897]}, 88) = 11897 [pid 11896] rt_sigprocmask(SIG_SETMASK, [], [pid 11894] <... write resumed>) = 131072 [pid 11896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11894] munmap(0x7fb91de38000, 138412032 [pid 11896] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11896] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11897 attached [pid 11897] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11895] <... write resumed>) = 131072 [pid 11895] munmap(0x7fb91de38000, 138412032 [pid 11894] <... munmap resumed>) = 0 [pid 11897] rt_sigprocmask(SIG_SETMASK, [], [pid 11894] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11894] ioctl(4, LOOP_SET_FD, 3 [pid 11895] <... munmap resumed>) = 0 [pid 11897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11895] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11897] memfd_create("syzkaller", 0) = 3 [pid 11897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11895] <... openat resumed>) = 4 [pid 11894] <... ioctl resumed>) = 0 [pid 11897] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11895] ioctl(4, LOOP_SET_FD, 3 [pid 11894] close(3 [pid 11897] <... write resumed>) = 131072 [pid 11897] munmap(0x7fb91de38000, 138412032) = 0 [pid 11897] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11897] ioctl(4, LOOP_SET_FD, 3 [pid 11895] <... ioctl resumed>) = 0 [pid 11894] <... close resumed>) = 0 [pid 11894] close(4 [pid 11897] <... ioctl resumed>) = 0 [pid 11895] close(3 [pid 11894] <... close resumed>) = 0 [pid 11895] <... close resumed>) = 0 [pid 11895] close(4) = 0 [pid 11895] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11895] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11897] close(3 [pid 11894] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11894] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11897] <... close resumed>) = 0 [pid 11895] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11895] ioctl(3, LOOP_CLR_FD [pid 11897] close(4) = 0 [pid 11897] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11897] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11894] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11897] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11894] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11897] <... openat resumed>) = 3 [pid 11894] ioctl(3, LOOP_CLR_FD [pid 11897] ioctl(3, LOOP_CLR_FD [pid 11878] <... sendmsg resumed>) = 64 [pid 11878] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11877] exit_group(0 [pid 11890] <... futex resumed>) = ? [pid 11877] <... exit_group resumed>) = ? [pid 11890] +++ exited with 0 +++ [pid 11878] <... futex resumed>) = ? [pid 11894] <... ioctl resumed>) = 0 [pid 11894] close(3) = 0 [pid 11894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11892] <... futex resumed>) = 0 [pid 11892] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11892] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11894] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11892] <... futex resumed>) = 0 [pid 11892] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11894] <... futex resumed>) = 0 [pid 11892] <... futex resumed>) = 1 [pid 11894] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11892] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11894] <... socket resumed>) = 4 [pid 11894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11892] <... futex resumed>) = 0 [pid 11894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11892] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11892] <... futex resumed>) = 0 [pid 11894] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11892] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11897] <... ioctl resumed>) = 0 [pid 11895] <... ioctl resumed>) = 0 [pid 11894] <... sendto resumed>) = 32 [pid 11897] close(3 [pid 11895] close(3 [pid 11894] recvfrom(4, [pid 11895] <... close resumed>) = 0 [pid 11894] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11892}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11895] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] <... futex resumed>) = 1 [pid 11894] <... futex resumed>) = 1 [pid 11893] <... futex resumed>) = 0 [pid 11892] <... futex resumed>) = 0 [pid 11895] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11894] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11893] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11892] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11893] <... futex resumed>) = 0 [pid 11892] <... futex resumed>) = 0 [pid 11895] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11894] getsockname(4, [pid 11897] <... close resumed>) = 0 [pid 11895] <... socket resumed>) = 3 [pid 11894] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11892, nl_groups=00000000}, [116 => 12]) = 0 [pid 11893] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11892] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11897] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11897] <... futex resumed>) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11895] <... futex resumed>) = 0 [pid 11894] <... futex resumed>) = 0 [pid 11897] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11896] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11894] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x74\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11893] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11892] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] <... futex resumed>) = 0 [pid 11895] <... socket resumed>) = 4 [pid 11893] <... futex resumed>) = 0 [pid 11892] <... futex resumed>) = 0 [pid 11897] <... socket resumed>) = 3 [pid 11896] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11895] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11892] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11897] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11895] <... futex resumed>) = 0 [pid 11893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11897] <... futex resumed>) = 0 [pid 11896] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11893] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11897] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11896] <... futex resumed>) = 0 [pid 11895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11897] <... socket resumed>) = 4 [pid 11896] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11895] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11893] <... futex resumed>) = 0 [pid 11897] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11897] <... futex resumed>) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11897] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11896] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11896] <... futex resumed>) = 0 [ 166.767661][T11894] loop4: detected capacity change from 0 to 256 [ 166.775420][T11895] loop0: detected capacity change from 0 to 256 [ 166.780315][T11897] loop3: detected capacity change from 0 to 256 [ 166.790963][T11895] exfat: Bad value for 'uid' [ 166.795028][T11894] exfat: Bad value for 'uid' [ 166.799597][T11897] exfat: Bad value for 'uid' [pid 11897] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11896] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11876] <... sendmsg resumed>) = 64 [pid 11897] <... sendto resumed>) = 32 [pid 11895] <... sendto resumed>) = 32 [pid 11878] +++ exited with 0 +++ [pid 11877] +++ exited with 0 +++ [pid 11876] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] recvfrom(4, [pid 11876] <... futex resumed>) = 0 [pid 11875] exit_group(0 [pid 11897] recvfrom(4, [pid 11895] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11893}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11891] <... futex resumed>) = ? [pid 11875] <... exit_group resumed>) = ? [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 11897] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11896}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11895] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11891] +++ exited with 0 +++ [pid 11876] +++ exited with 0 +++ [pid 11897] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] <... futex resumed>) = 1 [pid 11893] <... futex resumed>) = 0 [pid 11875] +++ exited with 0 +++ [pid 11897] <... futex resumed>) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11895] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11893] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11897] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11896] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11893] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... openat resumed>) = 3 [pid 11897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11896] <... futex resumed>) = 0 [pid 11895] getsockname(4, [pid 11893] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] ioctl(3, LOOP_CLR_FD [pid 11897] getsockname(4, [pid 11896] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11895] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11893, nl_groups=00000000}, [116 => 12]) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11897] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11896, nl_groups=00000000}, [116 => 12]) = 0 [pid 11895] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 11897] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] <... futex resumed>) = 1 [pid 11893] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 11897] <... futex resumed>) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11895] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11893] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11897] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11896] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11893] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 11895] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x75\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11893] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11896] <... futex resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 11897] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x78\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11896] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11899 [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11899 attached [pid 11899] set_robust_list(0x5555555916a0, 24) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11901 [pid 11899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11899] setpgid(0, 0) = 0 [pid 11899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11899] write(3, "1000", 4) = 4 [pid 11899] close(3) = 0 [pid 11899] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11899] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11899] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11899] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11902]}, 88) = 11902 [pid 11899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11899] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11899] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11901 attached [pid 11901] set_robust_list(0x5555555916a0, 24) = 0 [pid 11901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11901] setpgid(0, 0) = 0 [pid 11901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11901] write(3, "1000", 4) = 4 [pid 11901] close(3) = 0 [pid 11901] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11901] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11901] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11901] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11904 attached => {parent_tid=[11904]}, 88) = 11904 [pid 11904] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11901] rt_sigprocmask(SIG_SETMASK, [], [pid 11904] rt_sigprocmask(SIG_SETMASK, [], [pid 11901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11901] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11902 attached [pid 11904] memfd_create("syzkaller", 0 [pid 11901] <... futex resumed>) = 0 [pid 11904] <... memfd_create resumed>) = 3 [pid 11902] set_robust_list(0x7fb9262589a0, 24 [pid 11901] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11902] <... set_robust_list resumed>) = 0 [pid 11902] rt_sigprocmask(SIG_SETMASK, [], [pid 11892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11892] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11892] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11902] memfd_create("syzkaller", 0 [pid 11892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11902] <... memfd_create resumed>) = 3 [pid 11892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11904] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11902] <... mmap resumed>) = 0x7fb91de38000 [pid 11892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11904] <... write resumed>) = 131072 [pid 11892] <... clone3 resumed> => {parent_tid=[11905]}, 88) = 11905 [pid 11892] rt_sigprocmask(SIG_SETMASK, [], [pid 11904] munmap(0x7fb91de38000, 138412032 [pid 11892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11904] <... munmap resumed>) = 0 [pid 11892] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11892] <... futex resumed>) = 0 [pid 11892] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11904] <... openat resumed>) = 4 [pid 11904] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11905 attached [pid 11902] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11902] munmap(0x7fb91de38000, 138412032) = 0 [pid 11905] set_robust_list(0x7fb9262379a0, 24 [pid 11902] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11905] <... set_robust_list resumed>) = 0 [pid 11902] <... openat resumed>) = 4 [pid 11905] rt_sigprocmask(SIG_SETMASK, [], [pid 11902] ioctl(4, LOOP_SET_FD, 3 [pid 11905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11904] <... ioctl resumed>) = 0 [pid 11904] close(3) = 0 [pid 11904] close(4 [pid 11905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11902] <... ioctl resumed>) = 0 [pid 11905] <... bpf resumed>) = 5 [pid 11905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11902] close(3 [pid 11905] <... futex resumed>) = 1 [pid 11892] <... futex resumed>) = 0 [pid 11905] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11902] <... close resumed>) = 0 [pid 11892] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11902] close(4 [pid 11892] <... futex resumed>) = 0 [pid 11905] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11904] <... close resumed>) = 0 [pid 11904] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11904] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11905] <... bpf resumed>) = 0 [pid 11902] <... close resumed>) = 0 [pid 11892] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11902] mkdir("./file0", 0777 [pid 11892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11905] <... futex resumed>) = 0 [pid 11902] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11892] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11902] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11892] <... futex resumed>) = 0 [pid 11905] <... bpf resumed>) = 6 [pid 11904] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11904] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11893] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] <... openat resumed>) = 3 [pid 11893] <... futex resumed>) = 0 [pid 11904] ioctl(3, LOOP_CLR_FD [pid 11893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11893] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11896] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11893] <... mprotect resumed>) = 0 [pid 11905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11892] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11905] <... futex resumed>) = 0 [pid 11896] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11893] <... clone3 resumed> => {parent_tid=[11906]}, 88) = 11906 [pid 11893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11893] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11893] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11906 attached [pid 11905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11896] <... futex resumed>) = 0 [pid 11892] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11906] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11893] <... futex resumed>) = 0 [pid 11906] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11893] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11893] <... futex resumed>) = 0 [pid 11906] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11893] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11906] <... bpf resumed>) = 0 [pid 11906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11893] <... futex resumed>) = 0 [pid 11906] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11893] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11893] <... futex resumed>) = 0 [pid 11906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11893] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11906] <... bpf resumed>) = 6 [pid 11905] <... bpf resumed>) = 7 [pid 11902] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11892] <... futex resumed>) = 0 [pid 11906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] <... mmap resumed>) = 0x7fb926217000 [pid 11892] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11902] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11905] <... futex resumed>) = 0 [pid 11896] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11906] <... futex resumed>) = 1 [pid 11905] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11896] <... mprotect resumed>) = 0 [pid 11893] <... futex resumed>) = 0 [pid 11892] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11896] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11892] <... futex resumed>) = 0 [pid 11893] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11896] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11892] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11902] <... openat resumed>) = 3 [pid 11893] <... futex resumed>) = 0 [pid 11906] <... bpf resumed>) = 7 [pid 11902] ioctl(3, LOOP_CLR_FD [pid 11893] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11905] <... bpf resumed>) = 8 [pid 11896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 11907 attached [pid 11906] <... futex resumed>) = 0 [pid 11905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11905] <... futex resumed>) = 1 [pid 11896] <... clone3 resumed> => {parent_tid=[11907]}, 88) = 11907 [pid 11892] <... futex resumed>) = 0 [pid 11905] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11896] rt_sigprocmask(SIG_SETMASK, [], [pid 11892] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11893] <... futex resumed>) = 0 [pid 11892] <... futex resumed>) = 0 [pid 11905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11896] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11892] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11905] <... bpf resumed>) = 9 [pid 11896] <... futex resumed>) = 0 [pid 11893] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11905] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11906] <... bpf resumed>) = 8 [pid 11905] <... futex resumed>) = 1 [pid 11892] <... futex resumed>) = 0 [pid 11906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11905] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11907] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11907] rt_sigprocmask(SIG_SETMASK, [], [pid 11906] <... futex resumed>) = 1 [pid 11893] <... futex resumed>) = 0 [pid 11907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11907] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11893] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11907] <... bpf resumed>) = 5 [pid 11907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11907] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11896] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11893] <... futex resumed>) = 0 [pid 11907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11906] <... bpf resumed>) = 9 [pid 11896] <... futex resumed>) = 0 [pid 11907] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11906] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11893] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11907] <... bpf resumed>) = 0 [pid 11906] <... futex resumed>) = 0 [pid 11893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11906] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11907] <... futex resumed>) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11896] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11896] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11907] <... bpf resumed>) = 6 [pid 11907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11907] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11896] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11896] <... futex resumed>) = 0 [pid 11907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11896] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11907] <... bpf resumed>) = 7 [pid 11907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11896] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11896] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11907] <... bpf resumed>) = 8 [pid 11907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11896] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11896] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11907] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11896] <... futex resumed>) = 0 [pid 11907] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11904] <... ioctl resumed>) = 0 [pid 11902] <... ioctl resumed>) = 0 [pid 11904] close(3 [pid 11902] close(3 [pid 11904] <... close resumed>) = 0 [pid 11902] <... close resumed>) = 0 [pid 11904] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11902] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] <... futex resumed>) = 1 [pid 11902] <... futex resumed>) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11904] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11902] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11894] <... sendmsg resumed>) = 64 [pid 11904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11894] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11892] exit_group(0 [pid 11905] <... futex resumed>) = ? [pid 11904] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11902] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11901] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11899] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11894] <... futex resumed>) = ? [pid 11892] <... exit_group resumed>) = ? [pid 11905] +++ exited with 0 +++ [pid 11904] <... socket resumed>) = 3 [pid 11902] <... socket resumed>) = 3 [pid 11904] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11902] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] <... futex resumed>) = 1 [pid 11902] <... futex resumed>) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11894] +++ exited with 0 +++ [pid 11892] +++ exited with 0 +++ [pid 11904] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11902] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11892, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 11904] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11902] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11901] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11899] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... restart_syscall resumed>) = 0 [ 166.896952][T11904] loop2: detected capacity change from 0 to 256 [ 166.900225][T11902] loop1: detected capacity change from 0 to 256 [ 166.914664][T11904] exfat: Bad value for 'uid' [ 166.921646][T11902] exfat: Bad value for 'uid' [pid 11904] <... socket resumed>) = 4 [pid 11902] <... socket resumed>) = 4 [pid 11904] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11902] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] <... futex resumed>) = 1 [pid 11902] <... futex resumed>) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11904] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11902] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 11904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11904] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11902] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11901] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11899] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11904] <... sendto resumed>) = 32 [pid 11902] <... sendto resumed>) = 32 [pid 300] close(3 [pid 11904] recvfrom(4, [pid 11902] recvfrom(4, [pid 300] <... close resumed>) = 0 [pid 11904] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11901}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11902] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11899}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11904] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11902] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] <... futex resumed>) = 1 [pid 11902] <... futex resumed>) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11908 [pid 11904] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11902] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11904] getsockname(4, [pid 11902] getsockname(4, [pid 11901] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11899] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11904] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11901, nl_groups=00000000}, [116 => 12]) = 0 [pid 11902] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11899, nl_groups=00000000}, [116 => 12]) = 0 [pid 11904] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11902] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] <... futex resumed>) = 1 [pid 11902] <... futex resumed>) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11904] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11902] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11904] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x7d\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11902] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x7b\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11901] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11899] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11908 attached [pid 11908] set_robust_list(0x5555555916a0, 24) = 0 [pid 11908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11908] setpgid(0, 0) = 0 [pid 11908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11908] write(3, "1000", 4) = 4 [pid 11908] close(3) = 0 [pid 11908] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11908] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11908] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11911 attached => {parent_tid=[11911]}, 88) = 11911 [pid 11911] set_robust_list(0x7fb9262589a0, 24 [pid 11908] rt_sigprocmask(SIG_SETMASK, [], [pid 11911] <... set_robust_list resumed>) = 0 [pid 11908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11911] rt_sigprocmask(SIG_SETMASK, [], [pid 11908] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11908] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11911] memfd_create("syzkaller", 0) = 3 [pid 11911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11911] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11911] munmap(0x7fb91de38000, 138412032) = 0 [pid 11911] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11911] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11911] close(3) = 0 [pid 11911] close(4) = 0 [pid 11911] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11911] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11897] <... sendmsg resumed>) = 64 [pid 11895] <... sendmsg resumed>) = 64 [pid 11897] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11896] exit_group(0 [pid 11907] <... futex resumed>) = ? [pid 11897] <... futex resumed>) = ? [pid 11896] <... exit_group resumed>) = ? [pid 11895] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11907] +++ exited with 0 +++ [pid 11911] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11911] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 11911] ioctl(3, LOOP_CLR_FD) = 0 [pid 11911] close(3) = 0 [pid 11911] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11908] <... futex resumed>) = 0 [pid 11908] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11911] <... futex resumed>) = 1 [pid 11895] <... futex resumed>) = 0 [pid 11911] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11911] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11908] <... futex resumed>) = 0 [pid 11908] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11911] <... futex resumed>) = 1 [pid 11911] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11897] +++ exited with 0 +++ [pid 11896] +++ exited with 0 +++ [pid 11895] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11896, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11893] exit_group(0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11906] <... futex resumed>) = ? [pid 11895] <... futex resumed>) = ? [pid 11893] <... exit_group resumed>) = ? [pid 299] <... openat resumed>) = 3 [pid 11906] +++ exited with 0 +++ [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11895] +++ exited with 0 +++ [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11912 [pid 11911] <... socket resumed>) = 4 [pid 11911] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11908] <... futex resumed>) = 0 [pid 11908] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11893] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11893, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11911] <... futex resumed>) = 1 [pid 11911] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 294] <... restart_syscall resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11913 [pid 11911] <... sendto resumed>) = 32 [pid 11911] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11908}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11911] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11908] <... futex resumed>) = 0 [pid 11908] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11911] <... futex resumed>) = 1 [pid 11908] <... futex resumed>) = 0 [pid 11911] getsockname(4, [pid 11908] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11911] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11908, nl_groups=00000000}, [116 => 12]) = 0 [pid 11911] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11908] <... futex resumed>) = 0 [pid 11911] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x84\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11908] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11912 attached ./strace-static-x86_64: Process 11913 attached [pid 11912] set_robust_list(0x5555555916a0, 24) = 0 [pid 11913] set_robust_list(0x5555555916a0, 24) = 0 [pid 11912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11912] <... prctl resumed>) = 0 [pid 11912] setpgid(0, 0 [pid 11913] <... prctl resumed>) = 0 [pid 11913] setpgid(0, 0) = 0 [pid 11913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11912] <... setpgid resumed>) = 0 [pid 11901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11901] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11913] write(3, "1000", 4 [pid 11901] <... futex resumed>) = 0 [pid 11899] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] <... write resumed>) = 4 [pid 11901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11899] <... futex resumed>) = 0 [pid 11913] close(3 [pid 11912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11901] <... mmap resumed>) = 0x7fb926217000 [pid 11899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11912] <... openat resumed>) = 3 [pid 11912] write(3, "1000", 4) = 4 [pid 11912] close(3) = 0 [pid 11912] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] <... close resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 11901] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11899] <... mmap resumed>) = 0x7fb926217000 [pid 11912] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11913] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11901] <... mprotect resumed>) = 0 [pid 11899] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11913] <... futex resumed>) = 0 [pid 11901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11913] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11901] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11899] <... mprotect resumed>) = 0 [pid 11913] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11899] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11912] <... mmap resumed>) = 0x7fb926238000 [pid 11899] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11912] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11901] <... clone3 resumed> => {parent_tid=[11915]}, 88) = 11915 [pid 11899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11912] <... mprotect resumed>) = 0 [pid 11901] rt_sigprocmask(SIG_SETMASK, [], [pid 11912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11899] <... clone3 resumed> => {parent_tid=[11916]}, 88) = 11916 [pid 11913] <... mmap resumed>) = 0x7fb926238000 [pid 11912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11901] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] rt_sigprocmask(SIG_SETMASK, [], [pid 11913] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11901] <... futex resumed>) = 0 [pid 11899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11901] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11899] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] <... mprotect resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11913] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11899] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11913] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11912] <... clone3 resumed> => {parent_tid=[11917]}, 88) = 11917 ./strace-static-x86_64: Process 11918 attached ./strace-static-x86_64: Process 11917 attached ./strace-static-x86_64: Process 11916 attached ./strace-static-x86_64: Process 11915 attached [pid 11912] rt_sigprocmask(SIG_SETMASK, [], [pid 11918] set_robust_list(0x7fb9262589a0, 24 [pid 11917] set_robust_list(0x7fb9262589a0, 24 [pid 11916] set_robust_list(0x7fb9262379a0, 24 [pid 11915] set_robust_list(0x7fb9262379a0, 24 [pid 11913] <... clone3 resumed> => {parent_tid=[11918]}, 88) = 11918 [pid 11912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11918] <... set_robust_list resumed>) = 0 [pid 11917] <... set_robust_list resumed>) = 0 [pid 11916] <... set_robust_list resumed>) = 0 [pid 11915] <... set_robust_list resumed>) = 0 [pid 11913] rt_sigprocmask(SIG_SETMASK, [], [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] rt_sigprocmask(SIG_SETMASK, [], [pid 11917] rt_sigprocmask(SIG_SETMASK, [], [pid 11916] rt_sigprocmask(SIG_SETMASK, [], [pid 11915] rt_sigprocmask(SIG_SETMASK, [], [pid 11913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11913] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] memfd_create("syzkaller", 0 [pid 11916] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11918] memfd_create("syzkaller", 0 [pid 11913] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 11917] <... memfd_create resumed>) = 3 [pid 11916] <... bpf resumed>) = 5 [pid 11915] <... bpf resumed>) = 5 [pid 11913] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11916] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11915] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] <... memfd_create resumed>) = 3 [pid 11917] <... mmap resumed>) = 0x7fb91de38000 [pid 11916] <... futex resumed>) = 1 [pid 11915] <... futex resumed>) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11917] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11916] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11915] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11901] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11917] <... write resumed>) = 131072 [pid 11916] <... bpf resumed>) = 0 [pid 11915] <... bpf resumed>) = 0 [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11917] munmap(0x7fb91de38000, 138412032 [pid 11916] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11915] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11901] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11899] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11917] <... munmap resumed>) = 0 [pid 11916] <... futex resumed>) = 0 [pid 11915] <... futex resumed>) = 0 [pid 11901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11917] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11916] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11915] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... openat resumed>) = 4 [pid 11916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11917] ioctl(4, LOOP_SET_FD, 3 [pid 11916] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11901] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11899] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11918] <... write resumed>) = 131072 [ 167.008797][T11911] loop4: detected capacity change from 0 to 256 [ 167.016052][T11911] exfat: Bad value for 'uid' [pid 11918] munmap(0x7fb91de38000, 138412032) = 0 [pid 11918] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11918] ioctl(4, LOOP_SET_FD, 3 [pid 11917] <... ioctl resumed>) = 0 [pid 11916] <... bpf resumed>) = 6 [pid 11915] <... bpf resumed>) = 6 [pid 11916] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11915] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11916] <... futex resumed>) = 1 [pid 11915] <... futex resumed>) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11916] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11915] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = 0 [pid 11916] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11901] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11899] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11918] <... ioctl resumed>) = 0 [pid 11917] close(3 [pid 11916] <... bpf resumed>) = 7 [pid 11918] close(3 [pid 11917] <... close resumed>) = 0 [pid 11916] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] <... close resumed>) = 0 [pid 11917] close(4 [pid 11916] <... futex resumed>) = 1 [pid 11915] <... bpf resumed>) = 7 [pid 11899] <... futex resumed>) = 0 [pid 11915] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11915] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11901] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11918] close(4 [pid 11916] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11915] <... bpf resumed>) = 8 [pid 11899] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11915] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11915] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11901] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11901] <... futex resumed>) = 0 [pid 11915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11901] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11915] <... bpf resumed>) = 9 [pid 11915] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11901] <... futex resumed>) = 0 [pid 11915] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] <... close resumed>) = 0 [pid 11917] mkdir("./file0", 0777 [pid 11918] <... close resumed>) = 0 [pid 11916] <... bpf resumed>) = 8 [pid 11899] <... futex resumed>) = 0 [pid 11916] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11916] <... futex resumed>) = 0 [pid 11899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11916] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11899] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11899] <... futex resumed>) = 0 [pid 11916] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11899] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11916] <... bpf resumed>) = 9 [pid 11916] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11899] <... futex resumed>) = 0 [pid 11916] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11918] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11918] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11917] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11917] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11918] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11908] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11908] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11908] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11919]}, 88) = 11919 ./strace-static-x86_64: Process 11919 attached [pid 11918] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11917] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11908] rt_sigprocmask(SIG_SETMASK, [], [pid 11919] set_robust_list(0x7fb9262379a0, 24 [pid 11918] <... openat resumed>) = 3 [pid 11908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11917] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11908] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] ioctl(3, LOOP_CLR_FD [pid 11919] <... set_robust_list resumed>) = 0 [pid 11908] <... futex resumed>) = 0 [pid 11919] rt_sigprocmask(SIG_SETMASK, [], [pid 11908] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11919] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11918] ioctl(3, LOOP_CLR_FD [pid 11919] <... bpf resumed>) = 5 [pid 11919] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11908] <... futex resumed>) = 0 [pid 11919] <... futex resumed>) = 1 [pid 11908] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11919] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11919] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11908] <... futex resumed>) = 0 [pid 11908] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11919] <... futex resumed>) = 1 [pid 11919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11919] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11908] <... futex resumed>) = 0 [pid 11919] <... futex resumed>) = 1 [pid 11908] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11908] <... futex resumed>) = 0 [pid 11919] <... bpf resumed>) = 7 [pid 11908] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11919] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11908] <... futex resumed>) = 0 [pid 11919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11908] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11908] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11919] <... bpf resumed>) = 8 [pid 11904] <... sendmsg resumed>) = 64 [pid 11919] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11901] exit_group(0 [pid 11919] <... futex resumed>) = 1 [pid 11915] <... futex resumed>) = ? [pid 11908] <... futex resumed>) = 0 [pid 11904] <... futex resumed>) = ? [pid 11901] <... exit_group resumed>) = ? [pid 11919] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11915] +++ exited with 0 +++ [pid 11908] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11904] +++ exited with 0 +++ [pid 11919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11908] <... futex resumed>) = 0 [pid 11919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11908] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11919] <... bpf resumed>) = 9 [pid 11901] +++ exited with 0 +++ [pid 11919] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11901, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11908] <... futex resumed>) = 0 [pid 11919] <... futex resumed>) = 1 [pid 11919] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11920 ./strace-static-x86_64: Process 11920 attached [pid 11920] set_robust_list(0x5555555916a0, 24) = 0 [pid 11920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11920] setpgid(0, 0) = 0 [pid 11920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11920] write(3, "1000", 4) = 4 [pid 11918] <... ioctl resumed>) = 0 [pid 11917] <... ioctl resumed>) = 0 [pid 11918] close(3 [pid 11917] close(3 [pid 11918] <... close resumed>) = 0 [pid 11917] <... close resumed>) = 0 [pid 11918] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] <... futex resumed>) = 1 [pid 11917] <... futex resumed>) = 1 [pid 11913] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 11918] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11913] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11913] <... futex resumed>) = 0 [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11917] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11913] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11912] <... futex resumed>) = 0 [ 167.055981][T11917] loop3: detected capacity change from 0 to 256 [ 167.057794][T11918] loop0: detected capacity change from 0 to 256 [ 167.079969][T11918] exfat: Bad value for 'uid' [ 167.081220][T11917] exfat: Bad value for 'uid' [pid 11918] <... socket resumed>) = 3 [pid 11917] <... socket resumed>) = 3 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11918] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11920] close(3 [pid 11918] <... futex resumed>) = 1 [pid 11917] <... futex resumed>) = 0 [pid 11913] <... futex resumed>) = 0 [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] <... close resumed>) = 0 [pid 11918] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11913] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11917] <... socket resumed>) = 4 [pid 11913] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 11920] <... futex resumed>) = 0 [pid 11918] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11920] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11918] <... socket resumed>) = 4 [pid 11917] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11920] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11918] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11918] <... futex resumed>) = 1 [pid 11917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11913] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 11920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11918] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11913] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11917] <... sendto resumed>) = 32 [pid 11913] <... futex resumed>) = 0 [pid 11918] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11917] recvfrom(4, [pid 11913] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11920] <... mmap resumed>) = 0x7fb926238000 [pid 11918] <... sendto resumed>) = 32 [pid 11917] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11912}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11920] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11918] recvfrom(4, [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11913}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11917] <... futex resumed>) = 1 [pid 11912] <... futex resumed>) = 0 [pid 11920] <... mprotect resumed>) = 0 [pid 11918] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] <... futex resumed>) = 1 [pid 11917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11913] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 11902] <... sendmsg resumed>) = 64 [pid 11918] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] getsockname(4, [pid 11913] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11902] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11917] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11912, nl_groups=00000000}, [116 => 12]) = 0 [pid 11913] <... futex resumed>) = 0 [pid 11902] <... futex resumed>) = 0 [pid 11920] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11918] getsockname(4, [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11902] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11918] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11913, nl_groups=00000000}, [116 => 12]) = 0 [pid 11917] <... futex resumed>) = 1 [pid 11912] <... futex resumed>) = 0 [pid 11899] exit_group(0 [pid 11918] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11916] <... futex resumed>) = ? [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11899] <... exit_group resumed>) = ? [pid 11920] <... clone3 resumed> => {parent_tid=[11921]}, 88) = 11921 [pid 11918] <... futex resumed>) = 1 [pid 11917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11916] +++ exited with 0 +++ [pid 11913] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 11902] <... futex resumed>) = ? [pid 11920] rt_sigprocmask(SIG_SETMASK, [], [pid 11918] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x88\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11913] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11921 attached [pid 11921] set_robust_list(0x7fb9262589a0, 24 [pid 11913] <... futex resumed>) = 0 [pid 11918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11918] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x89\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11913] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11921] <... set_robust_list resumed>) = 0 [pid 11920] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11921] rt_sigprocmask(SIG_SETMASK, [], [pid 11920] <... futex resumed>) = 0 [pid 11921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11920] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11921] memfd_create("syzkaller", 0) = 3 [pid 11921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11921] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11921] munmap(0x7fb91de38000, 138412032) = 0 [pid 11921] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11921] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11911] <... sendmsg resumed>) = 64 [pid 11921] close(3) = 0 [pid 11921] close(4) = 0 [pid 11911] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11911] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11921] mkdir("./file0", 0777 [pid 11908] exit_group(0 [pid 11919] <... futex resumed>) = ? [pid 11911] <... futex resumed>) = ? [pid 11908] <... exit_group resumed>) = ? [pid 11919] +++ exited with 0 +++ [pid 11911] +++ exited with 0 +++ [pid 11921] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11921] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11921] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11921] ioctl(3, LOOP_CLR_FD [pid 11902] +++ exited with 0 +++ [pid 11899] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11899, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11908] +++ exited with 0 +++ [pid 297] <... openat resumed>) = 3 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11908, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] ioctl(3, LOOP_CLR_FD [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11924 attached [pid 300] <... restart_syscall resumed>) = 0 [pid 11924] set_robust_list(0x5555555916a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11924 [pid 11924] <... set_robust_list resumed>) = 0 [pid 11924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11924] <... prctl resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 11924] setpgid(0, 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11924] <... setpgid resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 300] close(3 [pid 11924] <... openat resumed>) = 3 [pid 300] <... close resumed>) = 0 [pid 11924] write(3, "1000", 4 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11924] <... write resumed>) = 4 [pid 11924] close(3 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11925 [pid 11924] <... close resumed>) = 0 [pid 11924] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11924] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11924] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11924] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11926]}, 88) = 11926 [pid 11924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11924] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11924] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11925 attached [pid 11925] set_robust_list(0x5555555916a0, 24) = 0 [pid 11925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11925] setpgid(0, 0) = 0 [pid 11925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11925] write(3, "1000", 4) = 4 [pid 11925] close(3) = 0 [pid 11925] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11925] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11925] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11925] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 11926 attached [], 8) = 0 [pid 11925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11926] set_robust_list(0x7fb9262589a0, 24) = 0 ./strace-static-x86_64: Process 11927 attached [pid 11926] rt_sigprocmask(SIG_SETMASK, [], [pid 11925] <... clone3 resumed> => {parent_tid=[11927]}, 88) = 11927 [pid 11925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11925] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11925] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11927] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11927] memfd_create("syzkaller", 0) = 3 [pid 11926] memfd_create("syzkaller", 0 [pid 11927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11926] <... memfd_create resumed>) = 3 [pid 11927] <... mmap resumed>) = 0x7fb91de38000 [pid 11926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11927] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11926] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11927] <... write resumed>) = 131072 [pid 11927] munmap(0x7fb91de38000, 138412032) = 0 [pid 11927] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11927] ioctl(4, LOOP_SET_FD, 3 [pid 11926] <... write resumed>) = 131072 [pid 11926] munmap(0x7fb91de38000, 138412032) = 0 [pid 11926] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11926] ioctl(4, LOOP_SET_FD, 3 [pid 11927] <... ioctl resumed>) = 0 [pid 11912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11927] close(3 [pid 11912] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] <... close resumed>) = 0 [pid 11912] <... futex resumed>) = 0 [pid 11927] close(4 [pid 11912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11927] <... close resumed>) = 0 [pid 11912] <... mmap resumed>) = 0x7fb926217000 [pid 11927] mkdir("./file0", 0777 [pid 11912] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11927] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11912] <... mprotect resumed>) = 0 [pid 11927] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11927] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11926] <... ioctl resumed>) = 0 [pid 11921] <... ioctl resumed>) = 0 [pid 11913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11927] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11926] close(3 [pid 11921] close(3 [pid 11912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11927] <... openat resumed>) = 3 [pid 11926] <... close resumed>) = 0 [pid 11921] <... close resumed>) = 0 [pid 11913] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] ioctl(3, LOOP_CLR_FD [pid 11926] close(4 [pid 11921] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] <... clone3 resumed> => {parent_tid=[11928]}, 88) = 11928 [pid 11926] <... close resumed>) = 0 [pid 11921] <... futex resumed>) = 1 [pid 11920] <... futex resumed>) = 0 [pid 11912] rt_sigprocmask(SIG_SETMASK, [], [pid 11926] mkdir("./file0", 0777 [pid 11921] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11920] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] <... futex resumed>) = 0 [pid 11912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11926] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11920] <... futex resumed>) = 0 [pid 11912] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11926] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [ 167.163376][T11921] loop2: detected capacity change from 0 to 256 [ 167.174313][T11921] exfat: Bad value for 'uid' [ 167.196133][T11927] loop4: detected capacity change from 0 to 256 [ 167.197529][T11926] loop1: detected capacity change from 0 to 256 [ 167.203580][T11927] exfat: Bad value for 'uid' [pid 11921] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11912] <... futex resumed>) = 0 [pid 11921] <... socket resumed>) = 3 [pid 11920] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11917] <... sendmsg resumed>) = 64 [pid 11913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11912] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11921] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11913] <... mmap resumed>) = 0x7fb926217000 [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11921] <... futex resumed>) = 0 [pid 11920] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... futex resumed>) = 0 [pid 11913] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11921] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11920] <... futex resumed>) = 0 [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11913] <... mprotect resumed>) = 0 [pid 11921] <... socket resumed>) = 4 [pid 11920] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11921] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11921] <... futex resumed>) = 0 [pid 11920] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11921] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11920] <... futex resumed>) = 0 [pid 11921] <... sendto resumed>) = 32 [pid 11920] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11921] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11920}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11921] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] <... clone3 resumed> => {parent_tid=[11929]}, 88) = 11929 [pid 11921] <... futex resumed>) = 1 [pid 11920] <... futex resumed>) = 0 [pid 11913] rt_sigprocmask(SIG_SETMASK, [], [pid 11921] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11920] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11920] <... futex resumed>) = 0 [pid 11913] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11921] getsockname(4, [pid 11920] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11913] <... futex resumed>) = 0 [pid 11921] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11920, nl_groups=00000000}, [116 => 12]) = 0 [pid 11913] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11921] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11920] <... futex resumed>) = 0 [pid 11921] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11920] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11920] <... futex resumed>) = 0 [pid 11921] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x90\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11920] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11926] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11926] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11926] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11928 attached [pid 11928] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11928] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11912] <... futex resumed>) = 0 [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 1 [pid 11917] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... futex resumed>) = 0 [pid 11912] <... futex resumed>) = 1 [pid 11917] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11928] <... futex resumed>) = 1 [pid 11928] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11929 attached [pid 11929] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11917] <... bpf resumed>) = 6 [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11912] <... futex resumed>) = 0 [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11912] <... futex resumed>) = 0 [pid 11917] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11917] <... bpf resumed>) = 7 [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11912] <... futex resumed>) = 0 [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11912] <... futex resumed>) = 0 [pid 11917] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11929] <... bpf resumed>) = 5 [pid 11929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11929] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] <... bpf resumed>) = 8 [pid 11913] <... futex resumed>) = 0 [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] <... futex resumed>) = 1 [pid 11913] <... futex resumed>) = 1 [pid 11912] <... futex resumed>) = 0 [pid 11929] <... futex resumed>) = 0 [pid 11917] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11913] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11912] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11929] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11912] <... futex resumed>) = 0 [pid 11929] <... bpf resumed>) = 0 [pid 11917] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11912] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11929] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11917] <... bpf resumed>) = 9 [pid 11913] <... futex resumed>) = 0 [pid 11913] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11917] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11913] <... futex resumed>) = 1 [pid 11912] <... futex resumed>) = 0 [pid 11913] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11917] <... futex resumed>) = 1 [pid 11912] exit_group(0 [pid 11929] <... futex resumed>) = 0 [pid 11917] ????( [pid 11912] <... exit_group resumed>) = ? [pid 11917] <... ???? resumed>) = ? [pid 11929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11917] +++ exited with 0 +++ [pid 11928] <... futex resumed>) = ? [pid 11929] <... bpf resumed>) = 6 [pid 11929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11928] +++ exited with 0 +++ [pid 11912] +++ exited with 0 +++ [pid 11929] <... futex resumed>) = 1 [pid 11913] <... futex resumed>) = 0 [pid 11929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11913] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11912, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 11913] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11913] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11931 ./strace-static-x86_64: Process 11931 attached [pid 11931] set_robust_list(0x5555555916a0, 24) = 0 [pid 11931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11931] setpgid(0, 0) = 0 [pid 11931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11931] write(3, "1000", 4) = 4 [pid 11927] <... ioctl resumed>) = 0 [pid 11927] close(3) = 0 [pid 11927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11925] <... futex resumed>) = 0 [pid 11927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11925] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11925] <... futex resumed>) = 0 [pid 11931] close(3 [pid 11927] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11925] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11927] <... socket resumed>) = 3 [pid 11927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... close resumed>) = 0 [pid 11927] <... futex resumed>) = 1 [pid 11925] <... futex resumed>) = 0 [pid 11927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11925] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11925] <... futex resumed>) = 0 [pid 11927] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11925] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11931] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11927] <... socket resumed>) = 4 [pid 11927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11925] <... futex resumed>) = 0 [pid 11927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11925] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11925] <... futex resumed>) = 0 [pid 11927] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11925] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11927] <... sendto resumed>) = 32 [pid 11927] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11925}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [ 167.215817][T11926] exfat: Bad value for 'uid' [pid 11927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11925] <... futex resumed>) = 0 [pid 11929] <... bpf resumed>) = 7 [pid 11918] <... sendmsg resumed>) = 64 [pid 11929] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11925] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11929] <... futex resumed>) = 1 [pid 11927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11925] <... futex resumed>) = 0 [pid 11918] <... futex resumed>) = 0 [pid 11913] <... futex resumed>) = 0 [pid 11929] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11927] getsockname(4, [pid 11925] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11918] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11913] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11927] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11925, nl_groups=00000000}, [116 => 12]) = 0 [pid 11918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11913] <... futex resumed>) = 0 [pid 11931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11913] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11927] <... futex resumed>) = 1 [pid 11925] <... futex resumed>) = 0 [pid 11927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11925] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11925] <... futex resumed>) = 0 [pid 11927] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x95\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11925] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11918] <... bpf resumed>) = 8 [pid 11931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11918] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11913] <... futex resumed>) = 0 [pid 11918] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11913] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... mmap resumed>) = 0x7fb926238000 [pid 11918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11913] <... futex resumed>) = 0 [pid 11931] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11918] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11913] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11931] <... mprotect resumed>) = 0 [pid 11926] <... ioctl resumed>) = 0 [pid 11918] <... bpf resumed>) = 9 [pid 11931] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11918] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11918] <... futex resumed>) = 1 [pid 11913] <... futex resumed>) = 0 [pid 11931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11918] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11913] exit_group(0 [pid 11929] <... futex resumed>) = ? [pid 11918] <... futex resumed>) = ? [pid 11913] <... exit_group resumed>) = ? [pid 11931] <... clone3 resumed> => {parent_tid=[11933]}, 88) = 11933 [pid 11929] +++ exited with 0 +++ [pid 11926] close(3 [pid 11918] +++ exited with 0 +++ [pid 11931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11920] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11931] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11926] <... close resumed>) = 0 [pid 11920] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11920] <... futex resumed>) = 0 [pid 11931] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11920] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11920] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11934]}, 88) = 11934 [pid 11920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11920] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11920] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11926] <... futex resumed>) = 1 [pid 11924] <... futex resumed>) = 0 [pid 11924] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11924] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11926] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11924] <... futex resumed>) = 0 [pid 11924] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11926] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11924] <... futex resumed>) = 0 [pid 11924] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11926] <... socket resumed>) = 4 [pid 11926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11933 attached [pid 11933] set_robust_list(0x7fb9262589a0, 24 [pid 11926] <... futex resumed>) = 1 [pid 11924] <... futex resumed>) = 0 [pid 11924] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11926] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11924] <... futex resumed>) = 0 [pid 11926] <... sendto resumed>) = 32 [pid 11924] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11926] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11924}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11933] <... set_robust_list resumed>) = 0 [pid 11926] <... futex resumed>) = 1 [pid 11924] <... futex resumed>) = 0 [pid 11926] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11924] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11924] <... futex resumed>) = 0 [pid 11926] getsockname(4, [pid 11924] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11926] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11924, nl_groups=00000000}, [116 => 12]) = 0 [pid 11933] rt_sigprocmask(SIG_SETMASK, [], [pid 11926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11926] <... futex resumed>) = 1 [pid 11924] <... futex resumed>) = 0 [pid 11924] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11926] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x94\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11924] <... futex resumed>) = 0 [pid 11924] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11933] memfd_create("syzkaller", 0) = 3 [pid 11933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11933] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11933] munmap(0x7fb91de38000, 138412032) = 0 [pid 11933] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11933] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11933] close(3) = 0 [pid 11933] close(4) = 0 [pid 11933] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11933] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11933] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11933] ioctl(3, LOOP_CLR_FD) = 0 [pid 11933] close(3) = 0 [pid 11933] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11931] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11933] <... futex resumed>) = 1 [pid 11933] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11933] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11931] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11933] <... futex resumed>) = 1 [pid 11933] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11933] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11931] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11933] <... futex resumed>) = 1 [pid 11933] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 11933] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11931}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11933] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11931] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11933] <... futex resumed>) = 1 [pid 11933] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11931, nl_groups=00000000}, [116 => 12]) = 0 [pid 11933] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11931] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11933] <... futex resumed>) = 1 [pid 11933] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9b\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 11934 attached [pid 11934] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11934] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11934] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] <... futex resumed>) = 0 [pid 11920] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11920] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11934] <... futex resumed>) = 1 [pid 11934] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11934] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] <... futex resumed>) = 0 [pid 11920] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11920] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11934] <... futex resumed>) = 1 [pid 11934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11934] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] <... futex resumed>) = 0 [pid 11920] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11920] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11934] <... futex resumed>) = 1 [pid 11934] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11934] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] <... futex resumed>) = 0 [pid 11920] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11920] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11934] <... futex resumed>) = 1 [pid 11934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11934] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11920] <... futex resumed>) = 0 [pid 11934] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11920] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11920] <... futex resumed>) = 0 [pid 11934] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11925] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11920] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11925] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11925] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11937]}, 88) = 11937 [pid 11925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11925] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11925] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11937 attached [pid 11937] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11937] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11937] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11925] <... futex resumed>) = 0 [pid 11925] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11925] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11937] <... futex resumed>) = 1 [pid 11937] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11937] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11925] <... futex resumed>) = 0 [pid 11937] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11925] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11937] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11925] <... futex resumed>) = 0 [pid 11925] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11937] <... bpf resumed>) = 6 [pid 11937] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11925] <... futex resumed>) = 0 [pid 11937] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11925] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11925] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11937] <... futex resumed>) = 0 [pid 11937] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11913] +++ exited with 0 +++ [pid 11937] <... bpf resumed>) = 7 [pid 11934] <... bpf resumed>) = 9 [pid 11937] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11934] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11920] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11913, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11934] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 11937] <... futex resumed>) = 1 [pid 11925] <... futex resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 11925] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11937] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11925] <... futex resumed>) = 0 [pid 11937] <... bpf resumed>) = 8 [pid 11925] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11924] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11938 [pid 11924] <... futex resumed>) = 0 [pid 11924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11924] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 11938 attached [pid 11937] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11938] set_robust_list(0x5555555916a0, 24 [pid 11937] <... futex resumed>) = 1 [pid 11925] <... futex resumed>) = 0 [pid 11924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11938] <... set_robust_list resumed>) = 0 [pid 11937] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11925] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11939 attached [pid 11938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11937] <... bpf resumed>) = 9 [pid 11925] <... futex resumed>) = 0 [pid 11939] set_robust_list(0x7fb9262379a0, 24 [pid 11938] <... prctl resumed>) = 0 [pid 11937] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11925] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11924] <... clone3 resumed> => {parent_tid=[11939]}, 88) = 11939 [pid 11939] <... set_robust_list resumed>) = 0 [pid 11938] setpgid(0, 0 [pid 11937] <... futex resumed>) = 0 [pid 11925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11939] rt_sigprocmask(SIG_SETMASK, [], [pid 11938] <... setpgid resumed>) = 0 [pid 11937] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11924] rt_sigprocmask(SIG_SETMASK, [], [pid 11939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11921] <... sendmsg resumed>) = 64 [pid 11939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] <... openat resumed>) = 3 [pid 11938] write(3, "1000", 4) = 4 [pid 11938] close(3) = 0 [pid 11921] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11921] <... futex resumed>) = 0 [pid 11938] <... futex resumed>) = 0 [pid 11924] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11921] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11939] <... futex resumed>) = 0 [pid 11938] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11924] <... futex resumed>) = 1 [pid 11939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11938] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11924] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11939] <... bpf resumed>) = 5 [pid 11938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11920] exit_group(0 [pid 11939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11934] <... futex resumed>) = ? [pid 11921] <... futex resumed>) = ? [pid 11920] <... exit_group resumed>) = ? [pid 11939] <... futex resumed>) = 1 [pid 11938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11934] +++ exited with 0 +++ [pid 11924] <... futex resumed>) = 0 [pid 11921] +++ exited with 0 +++ [pid 11939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] <... mmap resumed>) = 0x7fb926238000 [pid 11924] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11938] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11924] <... futex resumed>) = 0 [pid 11939] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11938] <... mprotect resumed>) = 0 [pid 11924] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11939] <... bpf resumed>) = 0 [pid 11938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11939] <... futex resumed>) = 1 [pid 11938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11924] <... futex resumed>) = 0 [pid 11939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11924] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11940 attached [pid 11939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11938] <... clone3 resumed> => {parent_tid=[11940]}, 88) = 11940 [pid 11924] <... futex resumed>) = 0 [pid 11939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11938] rt_sigprocmask(SIG_SETMASK, [], [pid 11924] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11940] set_robust_list(0x7fb9262589a0, 24 [pid 11939] <... bpf resumed>) = 6 [pid 11938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] <... futex resumed>) = 1 [pid 11938] <... futex resumed>) = 0 [pid 11924] <... futex resumed>) = 0 [pid 11939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11924] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11924] <... futex resumed>) = 0 [pid 11939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11924] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11940] <... set_robust_list resumed>) = 0 [pid 11940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11940] memfd_create("syzkaller", 0) = 3 [pid 11940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 167.264684][ T295] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 167.284702][T11933] loop3: detected capacity change from 0 to 256 [ 167.292044][T11933] exfat: Bad value for 'uid' [pid 11940] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11940] munmap(0x7fb91de38000, 138412032) = 0 [pid 11940] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 11940] ioctl(4, LOOP_SET_FD, 3 [pid 11931] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11940] <... ioctl resumed>) = 0 [pid 11931] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11940] close(3 [pid 11931] <... mmap resumed>) = 0x7fb926217000 [pid 11931] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11940] <... close resumed>) = 0 [pid 11931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11940] close(4./strace-static-x86_64: Process 11941 attached [pid 11931] <... clone3 resumed> => {parent_tid=[11941]}, 88) = 11941 [pid 11940] <... close resumed>) = 0 [pid 11940] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11940] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11941] set_robust_list(0x7fb9262379a0, 24 [pid 11931] rt_sigprocmask(SIG_SETMASK, [], [pid 11940] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11941] <... set_robust_list resumed>) = 0 [pid 11940] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11931] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11940] <... openat resumed>) = 3 [pid 11940] ioctl(3, LOOP_CLR_FD [pid 11941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11941] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11941] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11931] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11941] <... futex resumed>) = 1 [pid 11941] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11941] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11931] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11941] <... futex resumed>) = 1 [pid 11941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11941] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] <... futex resumed>) = 0 [pid 11931] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11931] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11941] <... futex resumed>) = 1 [pid 11941] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11939] <... bpf resumed>) = 7 [pid 11941] <... bpf resumed>) = 7 [pid 11939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11920] +++ exited with 0 +++ [pid 11941] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] <... futex resumed>) = 1 [pid 11924] <... futex resumed>) = 0 [pid 11941] <... futex resumed>) = 1 [pid 11939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11931] <... futex resumed>) = 0 [pid 11924] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11920, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11931] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11924] <... futex resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 11939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11931] <... futex resumed>) = 0 [pid 11924] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... restart_syscall resumed>) = 0 [pid 11941] <... bpf resumed>) = 8 [pid 11931] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11941] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11939] <... bpf resumed>) = 8 [pid 11931] <... futex resumed>) = 0 [pid 11941] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11931] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11941] <... bpf resumed>) = 9 [pid 11939] <... futex resumed>) = 1 [pid 11931] <... futex resumed>) = 0 [pid 11924] <... futex resumed>) = 0 [pid 11941] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11931] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11924] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11941] <... futex resumed>) = 0 [pid 11939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11941] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11924] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 11924] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 298] ioctl(3, LOOP_CLR_FD [pid 11939] <... bpf resumed>) = 9 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11939] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] close(3 [pid 11939] <... futex resumed>) = 1 [pid 11924] <... futex resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 11939] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11942 ./strace-static-x86_64: Process 11942 attached [pid 11942] set_robust_list(0x5555555916a0, 24) = 0 [pid 11942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11942] setpgid(0, 0) = 0 [pid 11942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11942] write(3, "1000", 4) = 4 [pid 11942] close(3) = 0 [pid 11942] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11942] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11942] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11942] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11943 attached [pid 11943] set_robust_list(0x7fb9262589a0, 24 [pid 11942] <... clone3 resumed> => {parent_tid=[11943]}, 88) = 11943 [pid 11943] <... set_robust_list resumed>) = 0 [pid 11942] rt_sigprocmask(SIG_SETMASK, [], [pid 11943] rt_sigprocmask(SIG_SETMASK, [], [pid 11942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11942] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11943] memfd_create("syzkaller", 0 [pid 11942] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11943] <... memfd_create resumed>) = 3 [pid 11943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11943] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11943] munmap(0x7fb91de38000, 138412032) = 0 [pid 11943] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 167.348143][T11940] loop0: detected capacity change from 0 to 256 [ 167.366682][T11940] exfat: Bad value for 'uid' [pid 11943] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11940] <... ioctl resumed>) = 0 [pid 11927] <... sendmsg resumed>) = 64 [pid 11943] close(3 [pid 11940] close(3 [pid 11927] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11925] exit_group(0 [pid 11943] <... close resumed>) = 0 [pid 11927] <... futex resumed>) = 0 [pid 11943] close(4 [pid 11927] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11943] <... close resumed>) = 0 [pid 11943] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11943] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11940] <... close resumed>) = 0 [pid 11937] <... futex resumed>) = ? [pid 11927] <... futex resumed>) = ? [pid 11925] <... exit_group resumed>) = ? [pid 11940] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11937] +++ exited with 0 +++ [pid 11927] +++ exited with 0 +++ [pid 11943] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11943] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11940] <... futex resumed>) = 1 [pid 11938] <... futex resumed>) = 0 [pid 11940] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11938] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11925] +++ exited with 0 +++ [pid 11940] <... socket resumed>) = 3 [pid 11938] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11925, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11940] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 11940] <... futex resumed>) = 0 [pid 11938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] <... restart_syscall resumed>) = 0 [pid 11940] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11938] <... futex resumed>) = 0 [pid 11940] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11938] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11940] <... socket resumed>) = 4 [pid 300] <... openat resumed>) = 3 [pid 11940] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] ioctl(3, LOOP_CLR_FD [pid 11940] <... futex resumed>) = 1 [pid 11938] <... futex resumed>) = 0 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11940] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] close(3 [pid 11940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11938] <... futex resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 11940] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11938] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11940] <... sendto resumed>) = 32 [pid 11940] recvfrom(4, [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 11944 [pid 11940] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11938}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11940] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11938] <... futex resumed>) = 0 [pid 11940] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11938] <... futex resumed>) = 0 [pid 11940] getsockname(4, [pid 11938] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11940] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11938, nl_groups=00000000}, [116 => 12]) = 0 [pid 11940] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11943] <... openat resumed>) = 3 [pid 11940] <... futex resumed>) = 1 [pid 11938] <... futex resumed>) = 0 [pid 11940] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11938] <... futex resumed>) = 0 [pid 11940] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa2\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11938] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11943] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 11944 attached [pid 11926] <... sendmsg resumed>) = 64 [pid 11926] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11924] exit_group(0 [pid 11944] set_robust_list(0x5555555916a0, 24 [pid 11939] <... futex resumed>) = ? [pid 11926] <... futex resumed>) = ? [pid 11924] <... exit_group resumed>) = ? [pid 11939] +++ exited with 0 +++ [pid 11944] <... set_robust_list resumed>) = 0 [pid 11944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11944] setpgid(0, 0) = 0 [pid 11944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11944] write(3, "1000", 4) = 4 [pid 11944] close(3) = 0 [pid 11944] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11944] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11944] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11946]}, 88) = 11946 ./strace-static-x86_64: Process 11946 attached [pid 11944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11944] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11946] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11946] memfd_create("syzkaller", 0) = 3 [pid 11946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11946] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11946] munmap(0x7fb91de38000, 138412032) = 0 [pid 11946] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 11946] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11946] close(3) = 0 [pid 11946] close(4) = 0 [pid 11946] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11946] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11926] +++ exited with 0 +++ [pid 11924] +++ exited with 0 +++ [pid 11946] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11924, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 11946] ioctl(3, LOOP_CLR_FD [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11947 ./strace-static-x86_64: Process 11947 attached [pid 11947] set_robust_list(0x5555555916a0, 24) = 0 [pid 11943] <... ioctl resumed>) = 0 [pid 11933] <... sendmsg resumed>) = 64 [pid 11943] close(3 [pid 11933] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11943] <... close resumed>) = 0 [pid 11933] <... futex resumed>) = 0 [pid 11943] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11933] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11931] exit_group(0 [pid 11943] <... futex resumed>) = 1 [pid 11942] <... futex resumed>) = 0 [pid 11941] <... futex resumed>) = ? [pid 11933] <... futex resumed>) = ? [pid 11931] <... exit_group resumed>) = ? [pid 11943] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11942] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11941] +++ exited with 0 +++ [pid 11933] +++ exited with 0 +++ [pid 11943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11942] <... futex resumed>) = 0 [pid 11943] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11942] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11931] +++ exited with 0 +++ [pid 11943] <... socket resumed>) = 3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11931, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11943] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11942] <... futex resumed>) = 0 [pid 11943] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11942] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11942] <... futex resumed>) = 0 [pid 11943] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11942] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11943] <... socket resumed>) = 4 [pid 11947] <... prctl resumed>) = 0 [pid 11943] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11942] <... futex resumed>) = 0 [pid 11943] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11942] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11942] <... futex resumed>) = 0 [pid 11947] setpgid(0, 0 [pid 11943] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11942] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... openat resumed>) = 3 [pid 11947] <... setpgid resumed>) = 0 [pid 11943] <... sendto resumed>) = 32 [pid 299] ioctl(3, LOOP_CLR_FD [pid 11943] recvfrom(4, [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11943] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11942}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] close(3 [pid 11947] <... openat resumed>) = 3 [pid 11943] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 11947] write(3, "1000", 4 [pid 11943] <... futex resumed>) = 1 [pid 11942] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11947] <... write resumed>) = 4 [pid 11943] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11942] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] close(3 [pid 11943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11942] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11948 [pid 11947] <... close resumed>) = 0 [pid 11943] getsockname(4, [pid 11942] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11947] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11943] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11942, nl_groups=00000000}, [116 => 12]) = 0 [pid 11947] <... futex resumed>) = 0 [pid 11943] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 11948 attached [pid 11947] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11943] <... futex resumed>) = 1 [pid 11942] <... futex resumed>) = 0 [pid 11938] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11948] set_robust_list(0x5555555916a0, 24 [pid 11943] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] <... futex resumed>) = 0 [pid 11948] <... set_robust_list resumed>) = 0 [pid 11947] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11946] <... ioctl resumed>) = 0 [pid 11943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11942] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11946] close(3 [pid 11943] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa6\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11942] <... futex resumed>) = 0 [pid 11938] <... mmap resumed>) = 0x7fb926217000 [pid 11947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11946] <... close resumed>) = 0 [pid 11942] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11938] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11946] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... mprotect resumed>) = 0 [pid 11947] <... mmap resumed>) = 0x7fb926238000 [pid 11946] <... futex resumed>) = 1 [pid 11944] <... futex resumed>) = 0 [pid 11938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11947] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11946] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11944] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11947] <... mprotect resumed>) = 0 [pid 11946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11944] <... futex resumed>) = 0 [ 167.401074][T11943] loop2: detected capacity change from 0 to 256 [ 167.410729][T11943] exfat: Bad value for 'uid' [ 167.438143][T11946] loop4: detected capacity change from 0 to 256 [ 167.446576][T11946] exfat: Bad value for 'uid' [pid 11938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11946] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11944] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11946] <... socket resumed>) = 3 [pid 11938] <... clone3 resumed> => {parent_tid=[11950]}, 88) = 11950 [pid 11947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11946] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] rt_sigprocmask(SIG_SETMASK, [], [pid 11946] <... futex resumed>) = 1 [pid 11944] <... futex resumed>) = 0 [pid 11938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11947] <... clone3 resumed> => {parent_tid=[11951]}, 88) = 11951 [pid 11946] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11944] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 11951 attached ./strace-static-x86_64: Process 11950 attached [pid 11948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11947] rt_sigprocmask(SIG_SETMASK, [], [pid 11946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11944] <... futex resumed>) = 0 [pid 11938] <... futex resumed>) = 0 [pid 11951] set_robust_list(0x7fb9262589a0, 24 [pid 11950] set_robust_list(0x7fb9262379a0, 24 [pid 11948] <... prctl resumed>) = 0 [pid 11938] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11951] <... set_robust_list resumed>) = 0 [pid 11950] <... set_robust_list resumed>) = 0 [pid 11948] setpgid(0, 0 [pid 11951] rt_sigprocmask(SIG_SETMASK, [], [pid 11950] rt_sigprocmask(SIG_SETMASK, [], [pid 11948] <... setpgid resumed>) = 0 [pid 11951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11946] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11944] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11947] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11946] <... socket resumed>) = 4 [pid 11948] <... openat resumed>) = 3 [pid 11947] <... futex resumed>) = 0 [pid 11946] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] memfd_create("syzkaller", 0 [pid 11950] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11948] write(3, "1000", 4 [pid 11947] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11946] <... futex resumed>) = 1 [pid 11944] <... futex resumed>) = 0 [pid 11951] <... memfd_create resumed>) = 3 [pid 11950] <... bpf resumed>) = 5 [pid 11948] <... write resumed>) = 4 [pid 11946] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11944] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11950] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11948] close(3 [pid 11946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11944] <... futex resumed>) = 0 [pid 11950] <... futex resumed>) = 1 [pid 11948] <... close resumed>) = 0 [pid 11946] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11944] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11938] <... futex resumed>) = 0 [pid 11951] <... mmap resumed>) = 0x7fb91de38000 [pid 11950] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11946] <... sendto resumed>) = 32 [pid 11938] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11948] <... futex resumed>) = 0 [pid 11946] recvfrom(4, [pid 11938] <... futex resumed>) = 0 [pid 11950] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11948] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11938] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11950] <... bpf resumed>) = 0 [pid 11948] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11946] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11944}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11950] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11946] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] <... futex resumed>) = 1 [pid 11948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11946] <... futex resumed>) = 1 [pid 11944] <... futex resumed>) = 0 [pid 11938] <... futex resumed>) = 0 [pid 11950] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11946] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11944] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11948] <... mmap resumed>) = 0x7fb926238000 [pid 11946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11944] <... futex resumed>) = 0 [pid 11938] <... futex resumed>) = 0 [pid 11950] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11948] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11946] getsockname(4, [pid 11944] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11938] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11951] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11946] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11944, nl_groups=00000000}, [116 => 12]) = 0 [pid 11950] <... bpf resumed>) = 6 [pid 11948] <... mprotect resumed>) = 0 [pid 11946] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11948] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11946] <... futex resumed>) = 1 [pid 11944] <... futex resumed>) = 0 [pid 11950] <... futex resumed>) = 1 [pid 11948] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11946] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11944] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... futex resumed>) = 0 [pid 11950] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11944] <... futex resumed>) = 0 [pid 11938] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] <... write resumed>) = 131072 ./strace-static-x86_64: Process 11952 attached [pid 11950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11946] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa8\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11944] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11938] <... futex resumed>) = 0 [pid 11951] munmap(0x7fb91de38000, 138412032 [pid 11950] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11948] <... clone3 resumed> => {parent_tid=[11952]}, 88) = 11952 [pid 11938] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11951] <... munmap resumed>) = 0 [pid 11950] <... bpf resumed>) = 7 [pid 11948] rt_sigprocmask(SIG_SETMASK, [], [pid 11950] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11950] <... futex resumed>) = 1 [pid 11948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... futex resumed>) = 0 [pid 11950] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] <... futex resumed>) = 0 [pid 11938] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11938] <... futex resumed>) = 0 [pid 11950] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11938] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11952] set_robust_list(0x7fb9262589a0, 24 [pid 11951] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11950] <... bpf resumed>) = 8 [pid 11952] <... set_robust_list resumed>) = 0 [pid 11951] <... openat resumed>) = 4 [pid 11952] rt_sigprocmask(SIG_SETMASK, [], [pid 11951] ioctl(4, LOOP_SET_FD, 3 [pid 11952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11950] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11938] <... futex resumed>) = 0 [pid 11950] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11938] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11938] <... futex resumed>) = 0 [pid 11950] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11938] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11950] <... bpf resumed>) = 9 [pid 11950] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11938] <... futex resumed>) = 0 [pid 11950] <... futex resumed>) = 1 [pid 11950] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11952] memfd_create("syzkaller", 0 [pid 11951] <... ioctl resumed>) = 0 [pid 11951] close(3) = 0 [pid 11951] close(4 [pid 11952] <... memfd_create resumed>) = 3 [pid 11951] <... close resumed>) = 0 [pid 11952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11951] mkdir("./file0", 0777 [pid 11952] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11951] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11952] <... write resumed>) = 131072 [pid 11951] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11952] munmap(0x7fb91de38000, 138412032) = 0 [pid 11952] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11952] ioctl(4, LOOP_SET_FD, 3 [pid 11951] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11951] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11951] ioctl(3, LOOP_CLR_FD [pid 11952] <... ioctl resumed>) = 0 [pid 11952] close(3) = 0 [pid 11952] close(4) = 0 [pid 11952] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11952] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11951] <... ioctl resumed>) = 0 [pid 11942] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11951] close(3) = 0 [pid 11942] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11947] <... futex resumed>) = 0 [pid 11942] <... futex resumed>) = 0 [pid 11951] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11947] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11947] <... futex resumed>) = 0 [pid 11951] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11947] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11952] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11951] <... socket resumed>) = 3 [pid 11942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11951] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11947] <... futex resumed>) = 0 [pid 11951] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11947] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] <... socket resumed>) = 4 [pid 11947] <... futex resumed>) = 0 [pid 11942] <... mmap resumed>) = 0x7fb926217000 [pid 11952] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 11951] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11942] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11951] <... futex resumed>) = 0 [pid 11947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11942] <... mprotect resumed>) = 0 [pid 11947] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11947] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11951] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11952] <... openat resumed>) = 3 [pid 11942] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11952] ioctl(3, LOOP_CLR_FD [pid 11951] <... sendto resumed>) = 32 [pid 11942] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11951] recvfrom(4, [pid 11942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11951] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11947}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 ./strace-static-x86_64: Process 11954 attached [pid 11951] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] <... clone3 resumed> => {parent_tid=[11954]}, 88) = 11954 [pid 11951] <... futex resumed>) = 1 [pid 11942] rt_sigprocmask(SIG_SETMASK, [], [pid 11951] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11947] <... futex resumed>) = 0 [pid 11942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11954] set_robust_list(0x7fb9262379a0, 24 [pid 11947] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11942] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11951] <... futex resumed>) = 0 [pid 11947] <... futex resumed>) = 1 [pid 11951] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11947, nl_groups=00000000}, [116 => 12]) = 0 [pid 11951] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11951] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11954] <... set_robust_list resumed>) = 0 [pid 11947] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11954] rt_sigprocmask(SIG_SETMASK, [], [pid 11947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11954] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11947] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11954] <... bpf resumed>) = 5 [pid 11951] <... futex resumed>) = 0 [pid 11947] <... futex resumed>) = 1 [pid 11954] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] <... futex resumed>) = 0 [pid 11947] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11942] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11951] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xab\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11942] <... futex resumed>) = 0 [pid 11942] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11954] <... futex resumed>) = 1 [pid 11954] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11954] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] <... futex resumed>) = 0 [pid 11942] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11942] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11954] <... futex resumed>) = 1 [pid 11954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11954] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] <... futex resumed>) = 0 [pid 11942] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11942] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11954] <... futex resumed>) = 1 [pid 11954] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11954] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] <... futex resumed>) = 0 [pid 11942] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11942] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11954] <... futex resumed>) = 1 [pid 11954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11954] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] <... futex resumed>) = 0 [pid 11942] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11942] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11954] <... futex resumed>) = 1 [pid 11954] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11944] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11944] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11944] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11944] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11944] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11956]}, 88) = 11956 [pid 11944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11944] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11954] <... bpf resumed>) = 9 [pid 11954] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11942] <... futex resumed>) = 0 [pid 11954] <... futex resumed>) = 1 [pid 11954] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11956 attached [pid 11956] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11956] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11944] <... futex resumed>) = 0 [pid 11944] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11956] <... futex resumed>) = 1 [pid 11956] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11956] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11944] <... futex resumed>) = 0 [pid 11944] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11956] <... futex resumed>) = 1 [pid 11956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11956] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11944] <... futex resumed>) = 0 [pid 11956] <... futex resumed>) = 1 [pid 11944] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11956] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11944] <... futex resumed>) = 0 [pid 11956] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11944] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11956] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11944] <... futex resumed>) = 0 [pid 11944] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11944] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11956] <... futex resumed>) = 1 [pid 11956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11956] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11944] <... futex resumed>) = 0 [pid 11956] <... futex resumed>) = 1 [ 167.501394][T11951] loop1: detected capacity change from 0 to 256 [ 167.513737][T11951] exfat: Bad value for 'uid' [ 167.514760][T11952] loop3: detected capacity change from 0 to 256 [ 167.526792][T11952] exfat: Bad value for 'uid' [pid 11956] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11952] <... ioctl resumed>) = 0 [pid 11952] close(3) = 0 [pid 11947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11947] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11952] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11952] <... futex resumed>) = 1 [pid 11948] <... futex resumed>) = 0 [pid 11947] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11952] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] <... futex resumed>) = 0 [pid 11952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11948] <... futex resumed>) = 0 [pid 11947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11947] <... mmap resumed>) = 0x7fb926217000 [pid 11952] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11947] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11952] <... socket resumed>) = 3 [pid 11947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11957]}, 88) = 11957 [pid 11952] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] rt_sigprocmask(SIG_SETMASK, [], [pid 11952] <... futex resumed>) = 1 [pid 11948] <... futex resumed>) = 0 [pid 11947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11952] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11952] <... socket resumed>) = 4 [pid 11948] <... futex resumed>) = 0 [pid 11947] <... futex resumed>) = 0 [pid 11952] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11947] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11952] <... futex resumed>) = 0 [pid 11948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11940] <... sendmsg resumed>) = 64 ./strace-static-x86_64: Process 11957 attached [pid 11952] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11940] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11952] <... sendto resumed>) = 32 [pid 11948] <... futex resumed>) = 0 [pid 11940] <... futex resumed>) = 0 [pid 11938] exit_group(0 [pid 11952] recvfrom(4, [pid 11950] <... futex resumed>) = ? [pid 11948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11938] <... exit_group resumed>) = ? [pid 11952] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11948}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11950] +++ exited with 0 +++ [pid 11940] +++ exited with 0 +++ [pid 11938] +++ exited with 0 +++ [pid 11952] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11938, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 11952] <... futex resumed>) = 1 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11952] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] <... futex resumed>) = 0 [pid 11948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11957] set_robust_list(0x7fb9262379a0, 24 [pid 11952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11948] <... futex resumed>) = 0 [pid 11957] <... set_robust_list resumed>) = 0 [pid 11948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11952] getsockname(4, [pid 11957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11952] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11948, nl_groups=00000000}, [116 => 12]) = 0 [pid 11957] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11952] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... restart_syscall resumed>) = 0 [pid 11952] <... futex resumed>) = 1 [pid 11948] <... futex resumed>) = 0 [pid 11952] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11948] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 11948] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11952] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xac\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11958 [pid 11957] <... bpf resumed>) = 5 [pid 11957] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] <... futex resumed>) = 0 [pid 11947] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11947] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11957] <... futex resumed>) = 1 [pid 11957] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11957] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] <... futex resumed>) = 0 [pid 11947] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11957] <... futex resumed>) = 1 [pid 11947] <... futex resumed>) = 0 [pid 11957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11947] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11957] <... bpf resumed>) = 6 [pid 11957] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11947] <... futex resumed>) = 0 [pid 11957] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11947] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11957] <... bpf resumed>) = 7 [pid 11947] <... futex resumed>) = 0 [pid 11957] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11947] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11957] <... futex resumed>) = 0 [pid 11947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11957] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11947] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11947] <... futex resumed>) = 0 [pid 11957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11947] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11957] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 11958 attached [pid 11958] set_robust_list(0x5555555916a0, 24) = 0 [pid 11958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11958] setpgid(0, 0) = 0 [pid 11957] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11957] <... futex resumed>) = 1 [pid 11947] <... futex resumed>) = 0 [pid 11957] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11947] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] <... openat resumed>) = 3 [pid 11957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11947] <... futex resumed>) = 0 [pid 11958] write(3, "1000", 4 [pid 11957] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11947] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11958] <... write resumed>) = 4 [pid 11957] <... bpf resumed>) = 9 [pid 11958] close(3 [pid 11957] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] <... close resumed>) = 0 [pid 11957] <... futex resumed>) = 1 [pid 11947] <... futex resumed>) = 0 [pid 11958] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11957] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11958] <... futex resumed>) = 0 [pid 11958] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11958] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11960]}, 88) = 11960 [pid 11958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11958] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11958] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11960 attached [pid 11960] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11960] memfd_create("syzkaller", 0) = 3 [pid 11960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11946] <... sendmsg resumed>) = 64 [pid 11943] <... sendmsg resumed>) = 64 [pid 11946] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11943] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11946] <... futex resumed>) = 0 [pid 11946] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11943] <... futex resumed>) = 0 [pid 11960] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11943] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11944] exit_group(0 [pid 11942] exit_group(0 [pid 11956] <... futex resumed>) = ? [pid 11946] <... futex resumed>) = ? [pid 11954] <... futex resumed>) = ? [pid 11944] <... exit_group resumed>) = ? [pid 11943] <... futex resumed>) = ? [pid 11942] <... exit_group resumed>) = ? [pid 11956] +++ exited with 0 +++ [pid 11946] +++ exited with 0 +++ [pid 11954] +++ exited with 0 +++ [pid 11960] <... write resumed>) = 131072 [pid 11960] munmap(0x7fb91de38000, 138412032) = 0 [pid 11960] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11944] +++ exited with 0 +++ [pid 11943] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11944, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 11960] <... openat resumed>) = 4 [pid 11960] ioctl(4, LOOP_SET_FD, 3 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11962 ./strace-static-x86_64: Process 11962 attached [pid 11962] set_robust_list(0x5555555916a0, 24) = 0 [pid 11962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11962] setpgid(0, 0) = 0 [pid 11962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11962] write(3, "1000", 4) = 4 [pid 11962] close(3) = 0 [pid 11960] <... ioctl resumed>) = 0 [pid 11962] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11960] close(3 [pid 11962] <... futex resumed>) = 0 [pid 11960] <... close resumed>) = 0 [pid 11960] close(4 [pid 11962] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11960] <... close resumed>) = 0 [pid 11962] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11960] mkdir("./file0", 0777 [pid 11962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11960] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11960] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11962] <... mmap resumed>) = 0x7fb926238000 [pid 11962] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11960] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11960] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11960] ioctl(3, LOOP_CLR_FD [pid 11962] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11963]}, 88) = 11963 [pid 11962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11962] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11962] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11963 attached [pid 11963] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11963] memfd_create("syzkaller", 0) = 3 [pid 11963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11963] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11963] munmap(0x7fb91de38000, 138412032 [pid 11948] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11963] <... munmap resumed>) = 0 [pid 11948] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11963] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11948] <... futex resumed>) = 0 [pid 11948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11948] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11948] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11964]}, 88) = 11964 [pid 11948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11963] <... openat resumed>) = 4 [pid 11963] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 11964 attached [pid 11964] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11948] <... futex resumed>) = 0 [pid 11948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11951] <... sendmsg resumed>) = 64 [pid 11964] <... futex resumed>) = 1 [pid 11963] <... ioctl resumed>) = 0 [pid 11951] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11947] exit_group(0 [pid 11957] <... futex resumed>) = ? [pid 11947] <... exit_group resumed>) = ? [pid 11964] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11963] close(3 [pid 11957] +++ exited with 0 +++ [pid 11951] +++ exited with 0 +++ [pid 11963] <... close resumed>) = 0 [pid 11963] close(4 [pid 11964] <... bpf resumed>) = 0 [pid 11964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11963] <... close resumed>) = 0 [pid 11963] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11963] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11964] <... futex resumed>) = 1 [pid 11948] <... futex resumed>) = 0 [pid 11948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11963] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11964] <... bpf resumed>) = 6 [pid 11963] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11948] <... futex resumed>) = 0 [pid 11948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11964] <... futex resumed>) = 1 [pid 11948] <... futex resumed>) = 0 [pid 11964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11963] <... openat resumed>) = 3 [pid 11947] +++ exited with 0 +++ [pid 11942] +++ exited with 0 +++ [pid 11963] ioctl(3, LOOP_CLR_FD [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11942, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11947, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 11965 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11965 attached [pid 11965] set_robust_list(0x5555555916a0, 24 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11966 [pid 11965] <... set_robust_list resumed>) = 0 [pid 11965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11965] setpgid(0, 0) = 0 [pid 11965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11965] write(3, "1000", 4) = 4 [pid 11965] close(3) = 0 [pid 11965] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11965] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11960] <... ioctl resumed>) = 0 [pid 11960] close(3) = 0 [pid 11960] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11958] <... futex resumed>) = 0 [pid 11960] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11958] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11960] <... socket resumed>) = 3 [pid 11958] <... futex resumed>) = 0 [pid 11960] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11960] <... futex resumed>) = 0 [pid 11958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11960] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11958] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11960] <... socket resumed>) = 4 [pid 11958] <... futex resumed>) = 0 [pid 11960] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11960] <... futex resumed>) = 0 [pid 11958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11960] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11958] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11960] <... sendto resumed>) = 32 [pid 11958] <... futex resumed>) = 0 [pid 11960] recvfrom(4, [pid 11958] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11960] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11958}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11960] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11958] <... futex resumed>) = 0 [pid 11960] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11958] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11958] <... futex resumed>) = 0 [pid 11960] getsockname(4, [pid 11958] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11960] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11958, nl_groups=00000000}, [116 => 12]) = 0 [pid 11960] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11958] <... futex resumed>) = 0 [pid 11960] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11958] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11958] <... futex resumed>) = 0 [pid 11960] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb6\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11958] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11965] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 11966 attached [pid 11965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11966] set_robust_list(0x5555555916a0, 24 [pid 11964] <... bpf resumed>) = 7 [pid 11964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11948] <... futex resumed>) = 0 [pid 11964] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11948] <... futex resumed>) = 0 [pid 11964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11966] <... set_robust_list resumed>) = 0 [pid 11965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11964] <... bpf resumed>) = 8 [pid 11964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11948] <... futex resumed>) = 0 [pid 11965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11964] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11948] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11948] <... futex resumed>) = 0 [pid 11964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11948] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11966] <... prctl resumed>) = 0 [pid 11965] <... mmap resumed>) = 0x7fb926238000 [pid 11964] <... bpf resumed>) = 9 [pid 11966] setpgid(0, 0 [pid 11965] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11964] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11964] <... futex resumed>) = 1 [pid 11948] <... futex resumed>) = 0 [pid 11966] <... setpgid resumed>) = 0 [pid 11966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11964] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11966] <... openat resumed>) = 3 [pid 11965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11968 attached [pid 11966] write(3, "1000", 4 [pid 11968] set_robust_list(0x7fb9262589a0, 24 [pid 11966] <... write resumed>) = 4 [pid 11965] <... clone3 resumed> => {parent_tid=[11968]}, 88) = 11968 [pid 11968] <... set_robust_list resumed>) = 0 [pid 11966] close(3 [pid 11965] rt_sigprocmask(SIG_SETMASK, [], [pid 11968] rt_sigprocmask(SIG_SETMASK, [], [pid 11966] <... close resumed>) = 0 [pid 11965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11966] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11968] memfd_create("syzkaller", 0 [pid 11966] <... futex resumed>) = 0 [pid 11965] <... futex resumed>) = 0 [pid 11968] <... memfd_create resumed>) = 3 [pid 11966] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11965] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11966] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11968] <... mmap resumed>) = 0x7fb91de38000 [pid 11966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11952] <... sendmsg resumed>) = 64 [pid 11966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11952] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11952] <... futex resumed>) = 0 [pid 11966] <... mmap resumed>) = 0x7fb926238000 [pid 11952] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11966] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11966] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11948] exit_group(0 [pid 11966] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11948] <... exit_group resumed>) = ? [pid 11966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11952] <... futex resumed>) = ? [pid 11964] <... futex resumed>) = ? [pid 11952] +++ exited with 0 +++ [pid 11966] <... clone3 resumed> => {parent_tid=[11969]}, 88) = 11969 [pid 11966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11968] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11964] +++ exited with 0 +++ [pid 11948] +++ exited with 0 +++ [pid 11968] munmap(0x7fb91de38000, 138412032 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11948, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 11969 attached [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 11968] <... munmap resumed>) = 0 [pid 11969] set_robust_list(0x7fb9262589a0, 24 [pid 11968] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 11968] ioctl(4, LOOP_SET_FD, 3 [pid 11969] <... set_robust_list resumed>) = 0 [ 167.633328][T11960] loop0: detected capacity change from 0 to 256 [ 167.642257][T11960] exfat: Bad value for 'uid' [ 167.653675][T11963] loop4: detected capacity change from 0 to 256 [ 167.663461][T11963] exfat: Bad value for 'uid' [pid 299] <... restart_syscall resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 11969] rt_sigprocmask(SIG_SETMASK, [], [pid 11968] <... ioctl resumed>) = 0 [pid 11963] <... ioctl resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 11963] close(3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11963] <... close resumed>) = 0 [pid 11969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11968] close(3 [pid 11969] memfd_create("syzkaller", 0 [pid 11968] <... close resumed>) = 0 [pid 11969] <... memfd_create resumed>) = 3 [pid 11968] close(4 [pid 11963] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 11970 [pid 11963] <... futex resumed>) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11962] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11963] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11962] <... futex resumed>) = 0 [pid 11962] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11968] <... close resumed>) = 0 [pid 11963] <... socket resumed>) = 3 [pid 11969] <... mmap resumed>) = 0x7fb91de38000 [pid 11968] mkdir("./file0", 0777 [pid 11969] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11968] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11963] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11962] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11963] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11962] <... futex resumed>) = 0 [pid 11963] <... socket resumed>) = 4 [pid 11963] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11963] <... futex resumed>) = 0 [pid 11962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11963] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11962] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11962] <... futex resumed>) = 0 [pid 11963] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11962] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11970 attached [pid 11969] <... write resumed>) = 131072 [pid 11968] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11963] <... sendto resumed>) = 32 [pid 11963] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11962}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11963] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11963] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11962] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11962] <... futex resumed>) = 0 [pid 11963] getsockname(4, [pid 11962] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11963] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11962, nl_groups=00000000}, [116 => 12]) = 0 [pid 11970] set_robust_list(0x5555555916a0, 24 [pid 11969] munmap(0x7fb91de38000, 138412032 [pid 11963] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11970] <... set_robust_list resumed>) = 0 [pid 11969] <... munmap resumed>) = 0 [pid 11963] <... futex resumed>) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11969] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11963] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11962] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11970] <... prctl resumed>) = 0 [pid 11969] <... openat resumed>) = 4 [pid 11963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11962] <... futex resumed>) = 0 [pid 11970] setpgid(0, 0 [pid 11969] ioctl(4, LOOP_SET_FD, 3 [pid 11963] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xba\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11962] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11968] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11968] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 11968] ioctl(3, LOOP_CLR_FD [pid 11970] <... setpgid resumed>) = 0 [pid 11970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11970] write(3, "1000", 4) = 4 [pid 11970] close(3) = 0 [pid 11970] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11970] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11970] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11970] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11972]}, 88) = 11972 [pid 11970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11970] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11970] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11972 attached [pid 11972] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11972] memfd_create("syzkaller", 0) = 3 [pid 11972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11972] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11972] munmap(0x7fb91de38000, 138412032) = 0 [pid 11972] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11972] ioctl(4, LOOP_SET_FD, 3 [pid 11969] <... ioctl resumed>) = 0 [pid 11969] close(3) = 0 [pid 11969] close(4 [pid 11958] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11958] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11958] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11973]}, 88) = 11973 [pid 11958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11958] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11958] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11972] <... ioctl resumed>) = 0 [pid 11972] close(3) = 0 [pid 11972] close(4) = 0 [pid 11972] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11972] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11972] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11972] ioctl(3, LOOP_CLR_FD [pid 11969] <... close resumed>) = 0 [pid 11969] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11969] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 11973 attached [pid 11973] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11973] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11973] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] <... futex resumed>) = 0 [pid 11958] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11958] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11973] <... futex resumed>) = 1 [pid 11973] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11973] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] <... futex resumed>) = 0 [pid 11958] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11958] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11973] <... futex resumed>) = 1 [pid 11973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11973] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] <... futex resumed>) = 0 [pid 11958] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11958] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11973] <... futex resumed>) = 1 [pid 11973] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11969] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11969] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 11973] <... bpf resumed>) = 7 [pid 11973] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] <... openat resumed>) = 3 [pid 11973] <... futex resumed>) = 1 [pid 11969] ioctl(3, LOOP_CLR_FD [pid 11958] <... futex resumed>) = 0 [pid 11958] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11958] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11973] <... bpf resumed>) = 8 [pid 11973] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11973] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11958] <... futex resumed>) = 0 [pid 11973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11958] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11973] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11958] <... futex resumed>) = 0 [pid 11958] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11973] <... bpf resumed>) = 9 [pid 11973] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11973] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11958] <... futex resumed>) = 0 [ 167.711443][T11968] loop1: detected capacity change from 0 to 256 [ 167.722887][T11968] exfat: Bad value for 'uid' [ 167.730071][T11969] loop2: detected capacity change from 0 to 256 [ 167.734572][T11972] loop3: detected capacity change from 0 to 256 [ 167.749968][T11972] exfat: Bad value for 'uid' [ 167.756532][T11969] exfat: Bad value for 'uid' [pid 11969] <... ioctl resumed>) = 0 [pid 11968] <... ioctl resumed>) = 0 [pid 11960] <... sendmsg resumed>) = 64 [pid 11968] close(3 [pid 11960] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11958] exit_group(0 [pid 11968] <... close resumed>) = 0 [pid 11960] <... futex resumed>) = ? [pid 11958] <... exit_group resumed>) = ? [pid 11968] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11960] +++ exited with 0 +++ [pid 11968] <... futex resumed>) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11968] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11965] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11968] <... socket resumed>) = 3 [pid 11965] <... futex resumed>) = 0 [pid 11968] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11968] <... futex resumed>) = 0 [pid 11965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11968] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11965] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11965] <... futex resumed>) = 0 [pid 11968] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11965] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11968] <... socket resumed>) = 4 [pid 11968] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11968] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11965] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11965] <... futex resumed>) = 0 [pid 11968] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11965] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11968] <... sendto resumed>) = 32 [pid 11968] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11965}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11968] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11968] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11965] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11965] <... futex resumed>) = 0 [pid 11968] getsockname(4, [pid 11965] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11968] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11965, nl_groups=00000000}, [116 => 12]) = 0 [pid 11968] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11968] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11965] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11965] <... futex resumed>) = 0 [pid 11968] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xbd\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11965] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11973] <... futex resumed>) = ? [pid 11973] +++ exited with 0 +++ [pid 11958] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11958, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 11972] <... ioctl resumed>) = 0 [pid 11969] close(3 [pid 11972] close(3 [pid 11969] <... close resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 11972] <... close resumed>) = 0 [pid 11972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11970] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11970] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11972] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 294] <... openat resumed>) = 3 [pid 11970] <... futex resumed>) = 0 [pid 11970] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] ioctl(3, LOOP_CLR_FD [pid 11972] <... socket resumed>) = 3 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 11972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 11972] <... futex resumed>) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11969] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11972] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11970] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] <... futex resumed>) = 1 [pid 11966] <... futex resumed>) = 0 [pid 11970] <... futex resumed>) = 0 [pid 11972] <... socket resumed>) = 4 [pid 11970] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11969] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11962] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] <... futex resumed>) = 0 [pid 11962] <... futex resumed>) = 0 [pid 11966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11975 [pid 11972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] <... socket resumed>) = 3 ./strace-static-x86_64: Process 11975 attached [pid 11962] <... mmap resumed>) = 0x7fb926217000 [pid 11962] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11972] <... futex resumed>) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11969] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] <... mprotect resumed>) = 0 [pid 11972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11970] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11970] <... futex resumed>) = 0 [pid 11972] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11970] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11969] <... futex resumed>) = 1 [pid 11966] <... futex resumed>) = 0 [pid 11962] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11972] <... sendto resumed>) = 32 [pid 11969] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11972] recvfrom(4, [pid 11966] <... futex resumed>) = 0 [pid 11969] <... socket resumed>) = 4 [pid 11966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11972] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11970}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11969] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11962] <... clone3 resumed> => {parent_tid=[11976]}, 88) = 11976 [pid 11972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] <... futex resumed>) = 0 [pid 11966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] rt_sigprocmask(SIG_SETMASK, [], [pid 11972] <... futex resumed>) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11969] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11966] <... futex resumed>) = 0 [pid 11962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11970] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11970] <... futex resumed>) = 0 [pid 11969] <... sendto resumed>) = 32 [pid 11962] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11972] getsockname(4, [pid 11970] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11969] recvfrom(4, [pid 11962] <... futex resumed>) = 0 [pid 11972] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11970, nl_groups=00000000}, [116 => 12]) = 0 [pid 11962] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11966}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11972] <... futex resumed>) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11969] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11972] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11970] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11970] <... futex resumed>) = 0 [pid 11969] <... futex resumed>) = 1 [pid 11966] <... futex resumed>) = 0 [pid 11972] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc2\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11970] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11969] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11975] set_robust_list(0x5555555916a0, 24 [pid 11969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11966] <... futex resumed>) = 0 [pid 11966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11975] <... set_robust_list resumed>) = 0 [pid 11969] getsockname(4, ./strace-static-x86_64: Process 11976 attached {sa_family=AF_NETLINK, nl_pid=11966, nl_groups=00000000}, [116 => 12]) = 0 [pid 11969] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11976] set_robust_list(0x7fb9262379a0, 24 [pid 11969] <... futex resumed>) = 1 [pid 11966] <... futex resumed>) = 0 [pid 11969] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11966] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11966] <... futex resumed>) = 0 [pid 11969] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xbe\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11966] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11976] <... set_robust_list resumed>) = 0 [pid 11976] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11976] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11976] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11976] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11962] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11976] <... bpf resumed>) = 0 [pid 11976] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11976] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11962] <... futex resumed>) = 0 [pid 11962] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11975] <... prctl resumed>) = 0 [pid 11975] setpgid(0, 0) = 0 [pid 11975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11975] write(3, "1000", 4 [pid 11962] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11962] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11975] <... write resumed>) = 4 [pid 11975] close(3) = 0 [pid 11975] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11975] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11976] <... futex resumed>) = 0 [pid 11975] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11976] <... bpf resumed>) = 6 [pid 11975] <... clone3 resumed> => {parent_tid=[11979]}, 88) = 11979 [pid 11975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11976] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11962] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11976] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11962] <... futex resumed>) = 0 [pid 11962] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11976] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 11979 attached [pid 11979] set_robust_list(0x7fb9262589a0, 24 [pid 11976] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11962] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11962] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11979] <... set_robust_list resumed>) = 0 [pid 11979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11979] memfd_create("syzkaller", 0 [pid 11976] <... bpf resumed>) = 8 [pid 11979] <... memfd_create resumed>) = 3 [pid 11976] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11962] <... futex resumed>) = 0 [pid 11962] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11976] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11962] <... futex resumed>) = 0 [pid 11962] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11979] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11976] <... bpf resumed>) = 9 [pid 11979] <... mmap resumed>) = 0x7fb91de38000 [pid 11976] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11962] <... futex resumed>) = 0 [pid 11976] <... futex resumed>) = 1 [pid 11976] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11979] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11979] munmap(0x7fb91de38000, 138412032) = 0 [pid 11979] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 167.773630][ T318] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 11979] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11979] close(3) = 0 [pid 11979] close(4) = 0 [pid 11965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11965] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11979] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11979] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11965] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11965] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11980]}, 88) = 11980 [pid 11965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11965] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 11980 attached [pid 11965] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11979] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11979] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 11980] set_robust_list(0x7fb9262379a0, 24 [pid 11979] ioctl(3, LOOP_CLR_FD [pid 11980] <... set_robust_list resumed>) = 0 [pid 11980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11980] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11980] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] <... futex resumed>) = 0 [pid 11980] <... futex resumed>) = 1 [pid 11965] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11965] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11980] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11980] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11965] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11980] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11965] <... futex resumed>) = 0 [pid 11965] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11980] <... bpf resumed>) = 6 [pid 11980] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] <... futex resumed>) = 0 [pid 11980] <... futex resumed>) = 1 [pid 11965] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11980] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11965] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11980] <... bpf resumed>) = 7 [pid 11980] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11965] <... futex resumed>) = 0 [pid 11965] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11965] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11980] <... futex resumed>) = 1 [pid 11980] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11980] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11965] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11980] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11965] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11980] <... bpf resumed>) = 9 [pid 11980] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11965] <... futex resumed>) = 0 [pid 11980] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11970] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11970] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11970] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11970] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11970] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 11981 attached [pid 11966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11970] <... clone3 resumed> => {parent_tid=[11981]}, 88) = 11981 [pid 11966] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11970] rt_sigprocmask(SIG_SETMASK, [], [pid 11966] <... futex resumed>) = 0 [pid 11970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11981] set_robust_list(0x7fb9262379a0, 24 [pid 11970] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] <... mmap resumed>) = 0x7fb926217000 [pid 11970] <... futex resumed>) = 0 [pid 11966] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11970] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11966] <... mprotect resumed>) = 0 [pid 11981] <... set_robust_list resumed>) = 0 [pid 11966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11966] <... clone3 resumed> => {parent_tid=[11982]}, 88) = 11982 [pid 11981] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11982 attached [pid 11982] set_robust_list(0x7fb9262379a0, 24 [pid 11981] <... bpf resumed>) = 5 [pid 11981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11982] <... set_robust_list resumed>) = 0 [pid 11982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11982] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11970] <... futex resumed>) = 0 [pid 11970] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] <... futex resumed>) = 0 [pid 11970] <... futex resumed>) = 0 [pid 11966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11981] <... futex resumed>) = 1 [pid 11970] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11966] <... futex resumed>) = 0 [pid 11966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11981] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11982] <... futex resumed>) = 1 [pid 11981] <... bpf resumed>) = 0 [pid 11982] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] <... futex resumed>) = 0 [pid 11966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11981] <... futex resumed>) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11970] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11982] <... futex resumed>) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11970] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11982] <... bpf resumed>) = 6 [pid 11981] <... bpf resumed>) = 6 [pid 11982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11966] <... futex resumed>) = 0 [pid 11982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11982] <... bpf resumed>) = 7 [pid 11966] <... futex resumed>) = 0 [pid 11982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11982] <... futex resumed>) = 0 [pid 11966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11982] <... bpf resumed>) = 8 [pid 11981] <... futex resumed>) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11966] <... futex resumed>) = 0 [pid 11970] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11970] <... futex resumed>) = 0 [pid 11982] <... futex resumed>) = 1 [pid 11981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11970] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11966] <... futex resumed>) = 0 [pid 11982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11966] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11982] <... bpf resumed>) = 9 [pid 11966] <... futex resumed>) = 0 [pid 11982] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11966] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11982] <... futex resumed>) = 0 [pid 11966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11982] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11981] <... bpf resumed>) = 7 [pid 11981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11970] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11970] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11981] <... bpf resumed>) = 8 [pid 11981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11970] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11970] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11981] <... bpf resumed>) = 9 [pid 11981] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11970] <... futex resumed>) = 0 [pid 11981] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11979] <... ioctl resumed>) = 0 [pid 11979] close(3) = 0 [pid 11979] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11979] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11975] <... futex resumed>) = 0 [pid 11975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11979] <... futex resumed>) = 0 [pid 11975] <... futex resumed>) = 1 [pid 11979] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11979] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11979] <... futex resumed>) = 0 [pid 11975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11979] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11975] <... futex resumed>) = 0 [pid 11979] <... socket resumed>) = 4 [pid 11975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11979] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11979] <... futex resumed>) = 0 [pid 11975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11979] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11975] <... futex resumed>) = 0 [pid 11975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11979] <... sendto resumed>) = 32 [pid 11979] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11975}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11979] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11975] <... futex resumed>) = 0 [pid 11979] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 167.820180][T11979] loop0: detected capacity change from 0 to 256 [ 167.828960][T11979] exfat: Bad value for 'uid' [pid 11975] <... futex resumed>) = 0 [pid 11979] getsockname(4, {sa_family=AF_NETLINK, nl_pid=11975, nl_groups=00000000}, [116 => 12]) = 0 [pid 11975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11979] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11975] <... futex resumed>) = 0 [pid 11979] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc7\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11975] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11975] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11968] <... sendmsg resumed>) = 64 [pid 11963] <... sendmsg resumed>) = 64 [pid 11968] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11963] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11968] <... futex resumed>) = 0 [pid 11963] <... futex resumed>) = 0 [pid 11968] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11963] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11965] exit_group(0 [pid 11962] exit_group(0 [pid 11980] <... futex resumed>) = ? [pid 11976] <... futex resumed>) = ? [pid 11968] <... futex resumed>) = ? [pid 11965] <... exit_group resumed>) = ? [pid 11963] <... futex resumed>) = ? [pid 11962] <... exit_group resumed>) = ? [pid 11980] +++ exited with 0 +++ [pid 11976] +++ exited with 0 +++ [pid 11968] +++ exited with 0 +++ [pid 11965] +++ exited with 0 +++ [pid 11963] +++ exited with 0 +++ [pid 11962] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11962, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11965, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 297] ioctl(3, LOOP_CLR_FD [pid 300] <... openat resumed>) = 3 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] ioctl(3, LOOP_CLR_FD [pid 297] close(3 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] <... close resumed>) = 0 [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11984 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11984 attached , child_tidptr=0x555555591690) = 11985 [pid 11984] set_robust_list(0x5555555916a0, 24) = 0 [pid 11984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11984] setpgid(0, 0) = 0 [pid 11984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11984] write(3, "1000", 4) = 4 [pid 11984] close(3) = 0 [pid 11984] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11984] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, ./strace-static-x86_64: Process 11985 attached NULL, 8) = 0 [pid 11985] set_robust_list(0x5555555916a0, 24) = 0 [pid 11985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11985] <... prctl resumed>) = 0 [pid 11985] setpgid(0, 0) = 0 [pid 11985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11985] write(3, "1000", 4) = 4 [pid 11985] close(3) = 0 [pid 11985] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11985] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11985] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11985] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[11986]}, 88) = 11986 [pid 11985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 11986 attached [pid 11986] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 11986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11984] <... mmap resumed>) = 0x7fb926238000 [pid 11986] memfd_create("syzkaller", 0 [pid 11984] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11986] <... memfd_create resumed>) = 3 [pid 11986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11984] <... mprotect resumed>) = 0 [pid 11986] <... mmap resumed>) = 0x7fb91de38000 [pid 11984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11986] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11984] <... clone3 resumed> => {parent_tid=[11987]}, 88) = 11987 [pid 11986] <... write resumed>) = 131072 [pid 11984] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 11987 attached [pid 11986] munmap(0x7fb91de38000, 138412032 [pid 11984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11987] set_robust_list(0x7fb9262589a0, 24 [pid 11986] <... munmap resumed>) = 0 [pid 11984] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11986] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11984] <... futex resumed>) = 0 [pid 11986] <... openat resumed>) = 4 [pid 11984] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11986] ioctl(4, LOOP_SET_FD, 3 [pid 11987] <... set_robust_list resumed>) = 0 [pid 11987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11987] memfd_create("syzkaller", 0) = 3 [pid 11987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11987] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 11986] <... ioctl resumed>) = 0 [pid 11987] <... write resumed>) = 131072 [pid 11986] close(3) = 0 [pid 11986] close(4 [pid 11987] munmap(0x7fb91de38000, 138412032 [pid 11986] <... close resumed>) = 0 [pid 11986] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11987] <... munmap resumed>) = 0 [pid 11986] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11987] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11975] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11972] <... sendmsg resumed>) = 64 [pid 11986] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11975] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11972] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11970] exit_group(0 [pid 11987] <... openat resumed>) = 4 [pid 11986] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 11981] <... futex resumed>) = ? [pid 11975] <... futex resumed>) = 0 [pid 11972] <... futex resumed>) = ? [pid 11970] <... exit_group resumed>) = ? [pid 11987] ioctl(4, LOOP_SET_FD, 3 [pid 11986] <... openat resumed>) = 3 [pid 11981] +++ exited with 0 +++ [pid 11975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11972] +++ exited with 0 +++ [pid 11986] ioctl(3, LOOP_CLR_FD [pid 11975] <... mmap resumed>) = 0x7fb926217000 [pid 11970] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11970, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 11988 [pid 11975] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[11989]}, 88) = 11989 [pid 11975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11989 attached ./strace-static-x86_64: Process 11988 attached [pid 11987] <... ioctl resumed>) = 0 [pid 11989] set_robust_list(0x7fb9262379a0, 24 [pid 11988] set_robust_list(0x5555555916a0, 24 [pid 11989] <... set_robust_list resumed>) = 0 [pid 11988] <... set_robust_list resumed>) = 0 [pid 11987] close(3 [pid 11989] rt_sigprocmask(SIG_SETMASK, [], [pid 11988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 11989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11988] <... prctl resumed>) = 0 [pid 11987] <... close resumed>) = 0 [pid 11989] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 11988] setpgid(0, 0 [pid 11989] <... bpf resumed>) = 5 [pid 11988] <... setpgid resumed>) = 0 [pid 11987] close(4 [pid 11989] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 11989] <... futex resumed>) = 1 [pid 11988] <... openat resumed>) = 3 [pid 11987] <... close resumed>) = 0 [pid 11975] <... futex resumed>) = 0 [pid 11989] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] write(3, "1000", 4 [pid 11987] mkdir("./file0", 0777 [pid 11975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... write resumed>) = 4 [pid 11987] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 11975] <... futex resumed>) = 0 [pid 11989] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11988] close(3 [pid 11987] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11989] <... bpf resumed>) = 0 [pid 11988] <... close resumed>) = 0 [pid 11989] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11989] <... futex resumed>) = 1 [pid 11988] <... futex resumed>) = 0 [pid 11975] <... futex resumed>) = 0 [pid 11989] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 11975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 11975] <... futex resumed>) = 0 [pid 11989] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 11975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11989] <... bpf resumed>) = 6 [pid 11988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11987] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11989] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11989] <... futex resumed>) = 1 [pid 11988] <... mmap resumed>) = 0x7fb926238000 [pid 11987] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 11975] <... futex resumed>) = 0 [pid 11989] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 11975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... mprotect resumed>) = 0 [pid 11975] <... futex resumed>) = 0 [pid 11989] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11987] <... openat resumed>) = 3 [pid 11975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11989] <... bpf resumed>) = 7 [pid 11988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11989] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11989] <... futex resumed>) = 1 [pid 11987] ioctl(3, LOOP_CLR_FD [pid 11975] <... futex resumed>) = 0 ./strace-static-x86_64: Process 11990 attached [pid 11989] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] set_robust_list(0x7fb9262589a0, 24 [pid 11989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... clone3 resumed> => {parent_tid=[11990]}, 88) = 11990 [pid 11975] <... futex resumed>) = 0 [pid 11990] <... set_robust_list resumed>) = 0 [pid 11989] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11988] rt_sigprocmask(SIG_SETMASK, [], [pid 11975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11989] <... bpf resumed>) = 8 [pid 11988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11990] rt_sigprocmask(SIG_SETMASK, [], [pid 11989] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11989] <... futex resumed>) = 1 [pid 11988] <... futex resumed>) = 0 [pid 11975] <... futex resumed>) = 0 [pid 11990] memfd_create("syzkaller", 0 [pid 11989] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11975] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] <... memfd_create resumed>) = 3 [pid 11989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11975] <... futex resumed>) = 0 [pid 11990] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 11989] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11975] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11990] <... mmap resumed>) = 0x7fb91de38000 [pid 11989] <... bpf resumed>) = 9 [pid 11989] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11975] <... futex resumed>) = 0 [pid 11989] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11990] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11990] munmap(0x7fb91de38000, 138412032) = 0 [pid 11990] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 11990] ioctl(4, LOOP_SET_FD, 3 [pid 11969] <... sendmsg resumed>) = 64 [pid 11990] <... ioctl resumed>) = 0 [pid 11969] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] close(3 [pid 11969] <... futex resumed>) = 0 [pid 11990] <... close resumed>) = 0 [ 167.918169][T11986] loop1: detected capacity change from 0 to 256 [ 167.928942][T11986] exfat: Bad value for 'uid' [ 167.936644][T11987] loop4: detected capacity change from 0 to 256 [ 167.945635][T11987] exfat: Bad value for 'uid' [ 167.962156][T11990] loop3: detected capacity change from 0 to 256 [pid 11969] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11966] exit_group(0 [pid 11990] close(4 [pid 11966] <... exit_group resumed>) = ? [pid 11982] <... futex resumed>) = ? [pid 11969] <... futex resumed>) = ? [pid 11982] +++ exited with 0 +++ [pid 11990] <... close resumed>) = 0 [pid 11969] +++ exited with 0 +++ [pid 11990] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11990] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 11990] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 11990] ioctl(3, LOOP_CLR_FD [pid 11986] <... ioctl resumed>) = 0 [pid 11986] close(3 [pid 11987] <... ioctl resumed>) = 0 [pid 11987] close(3) = 0 [pid 11987] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11987] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11986] <... close resumed>) = 0 [pid 11984] <... futex resumed>) = 0 [pid 11986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11986] <... futex resumed>) = 1 [pid 11985] <... futex resumed>) = 0 [pid 11984] <... futex resumed>) = 1 [pid 11986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11985] <... futex resumed>) = 0 [pid 11987] <... futex resumed>) = 0 [pid 11986] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11987] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11986] <... socket resumed>) = 3 [pid 11986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] <... socket resumed>) = 3 [pid 11986] <... futex resumed>) = 1 [pid 11985] <... futex resumed>) = 0 [pid 11986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11987] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11985] <... futex resumed>) = 0 [pid 11987] <... futex resumed>) = 1 [pid 11986] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11984] <... futex resumed>) = 0 [pid 11987] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11986] <... socket resumed>) = 4 [pid 11984] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] <... futex resumed>) = 0 [pid 11987] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11986] <... futex resumed>) = 1 [pid 11985] <... futex resumed>) = 0 [pid 11984] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11987] <... socket resumed>) = 4 [pid 11986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11985] <... futex resumed>) = 0 [pid 11987] <... futex resumed>) = 1 [pid 11986] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11984] <... futex resumed>) = 0 [pid 11987] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11986] <... sendto resumed>) = 32 [pid 11984] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11986] recvfrom(4, [pid 11984] <... futex resumed>) = 0 [pid 11987] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11986] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11985}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11984] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11987] <... sendto resumed>) = 32 [pid 11986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] recvfrom(4, [pid 11986] <... futex resumed>) = 1 [pid 11985] <... futex resumed>) = 0 [pid 11987] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11984}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11985] <... futex resumed>) = 0 [pid 11987] <... futex resumed>) = 1 [pid 11986] getsockname(4, [pid 11985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11984] <... futex resumed>) = 0 [pid 11987] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11986] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11985, nl_groups=00000000}, [116 => 12]) = 0 [pid 11984] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] <... futex resumed>) = 0 [pid 11987] getsockname(4, [pid 11986] <... futex resumed>) = 1 [pid 11985] <... futex resumed>) = 0 [pid 11984] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11987] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11984, nl_groups=00000000}, [116 => 12]) = 0 [pid 11986] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11985] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11985] <... futex resumed>) = 0 [pid 11984] <... futex resumed>) = 0 [pid 11986] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd1\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11985] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11987] <... futex resumed>) = 1 [pid 11984] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd0\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11984] <... futex resumed>) = 0 [pid 11984] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11966] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11966, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [ 167.970604][T11990] exfat: Bad value for 'uid' [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11992 attached [pid 11992] set_robust_list(0x5555555916a0, 24 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 11992 [pid 11992] <... set_robust_list resumed>) = 0 [pid 11992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11992] setpgid(0, 0) = 0 [pid 11992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 11992] write(3, "1000", 4) = 4 [pid 11992] close(3) = 0 [pid 11992] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11992] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11992] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 11993 attached => {parent_tid=[11993]}, 88) = 11993 [pid 11992] rt_sigprocmask(SIG_SETMASK, [], [pid 11993] set_robust_list(0x7fb9262589a0, 24 [pid 11992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11992] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11992] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11993] <... set_robust_list resumed>) = 0 [pid 11993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11993] memfd_create("syzkaller", 0) = 3 [pid 11993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 11993] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 11993] munmap(0x7fb91de38000, 138412032) = 0 [pid 11993] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 11993] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 11990] <... ioctl resumed>) = 0 [pid 11993] close(3 [pid 11979] <... sendmsg resumed>) = 64 [pid 11993] <... close resumed>) = 0 [pid 11993] close(4) = 0 [pid 11993] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 11993] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 11990] close(3 [pid 11979] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] <... close resumed>) = 0 [pid 11979] <... futex resumed>) = 0 [pid 11975] exit_group(0 [pid 11993] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 11993] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 11993] ioctl(3, LOOP_CLR_FD) = 0 [pid 11993] close(3) = 0 [pid 11993] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11992] <... futex resumed>) = 0 [pid 11992] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11992] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11993] <... futex resumed>) = 1 [pid 11990] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11975] <... exit_group resumed>) = ? [pid 11989] <... futex resumed>) = ? [pid 11990] <... futex resumed>) = 1 [pid 11989] +++ exited with 0 +++ [pid 11988] <... futex resumed>) = 0 [pid 11990] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11988] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11993] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 11993] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11992] <... futex resumed>) = 0 [pid 11992] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11992] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11993] <... futex resumed>) = 1 [pid 11993] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 11993] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11992] <... futex resumed>) = 0 [pid 11992] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11992] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11988] <... futex resumed>) = 0 [pid 11990] <... socket resumed>) = 3 [pid 11993] <... futex resumed>) = 1 [pid 11993] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11990] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11985] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11979] +++ exited with 0 +++ [pid 11975] +++ exited with 0 +++ [pid 11984] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11985] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11975, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 11985] <... futex resumed>) = 0 [pid 11984] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 11984] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 11990] <... futex resumed>) = 0 [pid 11988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11985] <... mmap resumed>) = 0x7fb926217000 [pid 11984] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 11985] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11984] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 11990] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11988] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] <... mprotect resumed>) = 0 [pid 11984] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 11990] <... socket resumed>) = 4 [pid 11988] <... futex resumed>) = 0 [pid 11985] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11990] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11985] <... rt_sigprocmask resumed>[], 8) = 0 [pid 11984] <... mmap resumed>) = 0x7fb926217000 [pid 294] close(3 [pid 11990] <... futex resumed>) = 0 [pid 11988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11984] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 294] <... close resumed>) = 0 [pid 11990] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] <... mprotect resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... futex resumed>) = 0 [pid 11985] <... clone3 resumed> => {parent_tid=[11994]}, 88) = 11994 [pid 11984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 11990] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11988] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11985] rt_sigprocmask(SIG_SETMASK, [], [pid 11984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 11996 [pid 11985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11984] <... clone3 resumed> => {parent_tid=[11997]}, 88) = 11997 [pid 11985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11984] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11984] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 11994 attached [pid 11994] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11994] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] <... futex resumed>) = 0 [pid 11985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11994] <... futex resumed>) = 1 [pid 11994] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] <... futex resumed>) = 0 [pid 11985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11994] <... futex resumed>) = 1 [pid 11994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 11994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] <... futex resumed>) = 0 [pid 11985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11994] <... futex resumed>) = 1 [pid 11994] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] <... futex resumed>) = 0 [pid 11985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11994] <... futex resumed>) = 1 [pid 11994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 11994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] <... futex resumed>) = 0 [pid 11985] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11985] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11994] <... futex resumed>) = 1 [pid 11994] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11994] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11985] <... futex resumed>) = 0 [pid 11994] <... futex resumed>) = 1 [pid 11994] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 11996 attached [pid 11996] set_robust_list(0x5555555916a0, 24) = 0 [pid 11996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 11996] setpgid(0, 0) = 0 [pid 11996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 11997 attached [pid 11997] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 11997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11997] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 11997] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] <... futex resumed>) = 0 [pid 11984] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11984] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11997] <... futex resumed>) = 1 [pid 11997] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 11997] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] <... futex resumed>) = 0 [pid 11984] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11984] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11997] <... futex resumed>) = 1 [pid 11997] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11993] <... sendto resumed>) = 32 [pid 11990] <... sendto resumed>) = 32 [pid 11993] recvfrom(4, [pid 11990] recvfrom(4, [pid 11993] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11992}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11990] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11988}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 11993] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11993] <... futex resumed>) = 1 [pid 11992] <... futex resumed>) = 0 [pid 11990] <... futex resumed>) = 1 [pid 11993] getsockname(4, [pid 11992] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] <... futex resumed>) = 0 [pid 11996] <... openat resumed>) = 3 [pid 11993] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11992, nl_groups=00000000}, [116 => 12]) = 0 [pid 11992] <... futex resumed>) = 0 [pid 11988] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11993] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11992] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11990] <... futex resumed>) = 0 [pid 11988] <... futex resumed>) = 1 [pid 11993] <... futex resumed>) = 0 [pid 11992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11990] getsockname(4, [pid 11988] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11993] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11992] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11988, nl_groups=00000000}, [116 => 12]) = 0 [pid 11993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11992] <... futex resumed>) = 0 [pid 11993] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd8\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11992] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11990] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11997] <... bpf resumed>) = 6 [pid 11996] write(3, "1000", 4 [pid 11990] <... futex resumed>) = 1 [pid 11988] <... futex resumed>) = 0 [pid 11990] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... futex resumed>) = 0 [pid 11990] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd4\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11988] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11996] <... write resumed>) = 4 [pid 11996] close(3) = 0 [pid 11996] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11996] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 11996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 11996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 11996] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11996] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 11997] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] <... futex resumed>) = 0 [pid 11984] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11984] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11997] <... futex resumed>) = 1 [pid 11997] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 11997] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11996] <... clone3 resumed> => {parent_tid=[12000]}, 88) = 12000 [pid 11984] <... futex resumed>) = 0 [pid 11984] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11984] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11996] rt_sigprocmask(SIG_SETMASK, [], [pid 11997] <... futex resumed>) = 1 [pid 11996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11997] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11996] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 168.020080][T11993] loop2: detected capacity change from 0 to 256 [ 168.032403][T11993] exfat: Bad value for 'uid' [pid 11996] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11997] <... bpf resumed>) = 8 [pid 11997] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] <... futex resumed>) = 0 [pid 11984] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11984] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11997] <... futex resumed>) = 1 [pid 11997] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11997] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11984] <... futex resumed>) = 0 [pid 11997] <... futex resumed>) = 1 [pid 11997] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12000 attached [pid 12000] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12000] memfd_create("syzkaller", 0) = 3 [pid 12000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12000] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12000] munmap(0x7fb91de38000, 138412032) = 0 [pid 12000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12000] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12000] close(3) = 0 [pid 12000] close(4) = 0 [pid 12000] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12000] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12000] ioctl(3, LOOP_CLR_FD [pid 11992] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 11992] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11992] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 11992] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 11992] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 11992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12001 attached [pid 12001] set_robust_list(0x7fb9262379a0, 24 [pid 11992] <... clone3 resumed> => {parent_tid=[12001]}, 88) = 12001 [pid 12001] <... set_robust_list resumed>) = 0 [pid 11992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11992] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12001] rt_sigprocmask(SIG_SETMASK, [], [pid 11992] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11992] <... futex resumed>) = 0 [pid 12001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11992] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12001] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11992] <... futex resumed>) = 0 [pid 12001] <... bpf resumed>) = 0 [pid 11992] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11992] <... futex resumed>) = 0 [pid 12001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11992] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12001] <... bpf resumed>) = 6 [pid 11992] <... futex resumed>) = 0 [pid 11988] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11992] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11988] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12001] <... futex resumed>) = 0 [pid 11992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... futex resumed>) = 0 [pid 12001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11992] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12001] <... bpf resumed>) = 7 [pid 11992] <... futex resumed>) = 0 [pid 11988] <... mmap resumed>) = 0x7fb926217000 [pid 12001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11992] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 11988] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 11992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12001] <... futex resumed>) = 0 [pid 12001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] <... mprotect resumed>) = 0 [pid 11988] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11992] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 11992] <... futex resumed>) = 1 [pid 12001] <... futex resumed>) = 0 [pid 11992] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11988] <... clone3 resumed> => {parent_tid=[12002]}, 88) = 12002 [pid 12001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46./strace-static-x86_64: Process 12002 attached [pid 11988] rt_sigprocmask(SIG_SETMASK, [], [pid 12002] set_robust_list(0x7fb9262379a0, 24 [pid 12001] <... bpf resumed>) = 8 [pid 11988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12001] <... futex resumed>) = 1 [pid 11992] <... futex resumed>) = 0 [pid 11988] <... futex resumed>) = 0 [pid 12001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11992] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11988] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 11992] <... futex resumed>) = 0 [pid 12001] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11992] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12001] <... futex resumed>) = 0 [pid 11992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12001] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12002] <... set_robust_list resumed>) = 0 [pid 12002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12002] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12002] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12002] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] <... futex resumed>) = 0 [pid 11988] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12002] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 11988] <... futex resumed>) = 0 [pid 12002] <... bpf resumed>) = 0 [pid 11988] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12002] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12002] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] <... futex resumed>) = 0 [pid 11988] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 11987] <... sendmsg resumed>) = 64 [pid 11986] <... sendmsg resumed>) = 64 [pid 12002] <... futex resumed>) = 0 [pid 11988] <... futex resumed>) = 1 [pid 11987] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11986] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 11988] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11987] <... futex resumed>) = 0 [pid 12002] <... bpf resumed>) = 6 [pid 11987] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11986] <... futex resumed>) = 0 [pid 11985] exit_group(0 [pid 11984] exit_group(0 [pid 12002] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11997] <... futex resumed>) = ? [pid 11994] <... futex resumed>) = ? [pid 11987] <... futex resumed>) = ? [pid 11985] <... exit_group resumed>) = ? [pid 11984] <... exit_group resumed>) = ? [pid 12002] <... futex resumed>) = 1 [pid 11997] +++ exited with 0 +++ [pid 11994] +++ exited with 0 +++ [pid 11988] <... futex resumed>) = 0 [pid 11987] +++ exited with 0 +++ [pid 11986] +++ exited with 0 +++ [pid 12002] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 11988] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11988] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12000] <... ioctl resumed>) = 0 [pid 12000] close(3) = 0 [pid 12000] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11996] <... futex resumed>) = 0 [pid 12000] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11996] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11996] <... futex resumed>) = 0 [pid 12000] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 11996] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12000] <... socket resumed>) = 3 [pid 12000] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11996] <... futex resumed>) = 0 [pid 12000] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11996] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11996] <... futex resumed>) = 0 [pid 12000] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 11996] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12000] <... socket resumed>) = 4 [pid 12000] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11996] <... futex resumed>) = 0 [pid 12000] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11996] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11996] <... futex resumed>) = 0 [pid 12000] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 11996] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12000] <... sendto resumed>) = 32 [pid 12000] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=11996}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12000] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11996] <... futex resumed>) = 0 [pid 12000] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11996] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11996] <... futex resumed>) = 0 [pid 12000] getsockname(4, [pid 11996] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12000] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=11996, nl_groups=00000000}, [116 => 12]) = 0 [pid 12000] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11996] <... futex resumed>) = 0 [pid 12000] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11996] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11996] <... futex resumed>) = 0 [pid 12000] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xdc\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 11996] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11993] <... sendmsg resumed>) = 64 [pid 11993] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11992] exit_group(0 [pid 11993] <... futex resumed>) = ? [pid 11992] <... exit_group resumed>) = ? [pid 11993] +++ exited with 0 +++ [pid 12001] <... futex resumed>) = ? [pid 11985] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12004 ./strace-static-x86_64: Process 12004 attached [pid 12004] set_robust_list(0x5555555916a0, 24) = 0 [pid 12004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12004] setpgid(0, 0) = 0 [pid 12004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12004] write(3, "1000", 4) = 4 [pid 12004] close(3) = 0 [pid 12004] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12004] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 168.093202][T12000] loop0: detected capacity change from 0 to 256 [ 168.101651][T12000] exfat: Bad value for 'uid' [pid 12004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12004] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12004] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12005]}, 88) = 12005 ./strace-static-x86_64: Process 12005 attached [pid 12005] set_robust_list(0x7fb9262589a0, 24 [pid 12004] rt_sigprocmask(SIG_SETMASK, [], [pid 12005] <... set_robust_list resumed>) = 0 [pid 12004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12005] rt_sigprocmask(SIG_SETMASK, [], [pid 12004] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12004] <... futex resumed>) = 0 [pid 12005] memfd_create("syzkaller", 0) = 3 [pid 12005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12004] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12005] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12005] munmap(0x7fb91de38000, 138412032) = 0 [pid 12005] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12005] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12005] close(3) = 0 [pid 12005] close(4) = 0 [pid 12005] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12002] <... bpf resumed>) = 7 [pid 11984] +++ exited with 0 +++ [pid 12002] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11988] <... futex resumed>) = 0 [pid 12002] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... futex resumed>) = 0 [pid 12002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 11988] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12002] <... bpf resumed>) = 8 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11984, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12002] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 11988] <... futex resumed>) = 0 [pid 12002] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11988] <... futex resumed>) = 0 [pid 12002] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 11988] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12005] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12006 ./strace-static-x86_64: Process 12006 attached [pid 12005] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12006] set_robust_list(0x5555555916a0, 24) = 0 [pid 12006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12006] setpgid(0, 0) = 0 [pid 12006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12006] write(3, "1000", 4) = 4 [pid 12006] close(3) = 0 [pid 12006] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12006] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12006] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12006] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12005] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12005] <... openat resumed>) = 3 [pid 12005] ioctl(3, LOOP_CLR_FD [pid 12006] <... clone3 resumed> => {parent_tid=[12007]}, 88) = 12007 [pid 12006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12007 attached [pid 12007] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12007] memfd_create("syzkaller", 0) = 3 [pid 12007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12007] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12007] munmap(0x7fb91de38000, 138412032) = 0 [pid 12007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 12007] ioctl(4, LOOP_SET_FD, 3 [pid 11990] <... sendmsg resumed>) = 64 [pid 12001] +++ exited with 0 +++ [pid 11992] +++ exited with 0 +++ [pid 12002] <... bpf resumed>) = 9 [pid 12007] <... ioctl resumed>) = 0 [pid 12002] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11990] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11992, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12002] <... futex resumed>) = 1 [pid 11990] <... futex resumed>) = 0 [pid 11988] <... futex resumed>) = 0 [pid 12002] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11990] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 11988] exit_group(0 [pid 12002] <... futex resumed>) = ? [pid 11990] <... futex resumed>) = ? [pid 11988] <... exit_group resumed>) = ? [pid 12007] close(3 [pid 11990] +++ exited with 0 +++ [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 12002] +++ exited with 0 +++ [pid 11988] +++ exited with 0 +++ [pid 12007] <... close resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12007] close(4 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 12007] <... close resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 298] <... close resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 11996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] ioctl(3, LOOP_CLR_FD [pid 11996] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 11996] <... futex resumed>) = 0 [pid 299] close(3 [pid 11996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... close resumed>) = 0 [pid 11996] <... mmap resumed>) = 0x7fb926217000 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 11996] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12008 [pid 11996] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 11996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12009]}, 88) = 12009 [pid 11996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 11996] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 11996] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12007] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12007] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12007] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12010 [pid 12007] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12007] ioctl(3, LOOP_CLR_FD) = 0 [pid 12007] close(3) = 0 [pid 12007] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12006] <... futex resumed>) = 0 [pid 12006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12007] <... futex resumed>) = 1 [pid 12007] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12007] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12006] <... futex resumed>) = 0 [pid 12006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12007] <... futex resumed>) = 1 [pid 12007] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12007] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12006] <... futex resumed>) = 0 [pid 12006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12007] <... futex resumed>) = 1 ./strace-static-x86_64: Process 12009 attached ./strace-static-x86_64: Process 12008 attached [pid 12009] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12008] set_robust_list(0x5555555916a0, 24 [pid 12009] rt_sigprocmask(SIG_SETMASK, [], [pid 12008] <... set_robust_list resumed>) = 0 [pid 12005] <... ioctl resumed>) = 0 [pid 12005] close(3) = 0 [pid 12005] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12004] <... futex resumed>) = 0 [pid 12005] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12004] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12004] <... futex resumed>) = 0 [pid 12005] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12004] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12005] <... socket resumed>) = 3 [pid 12005] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12004] <... futex resumed>) = 0 [pid 12005] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12004] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12004] <... futex resumed>) = 0 [pid 12005] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12004] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12005] <... socket resumed>) = 4 [pid 12005] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12009] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12008] <... prctl resumed>) = 0 [pid 12005] <... futex resumed>) = 1 [pid 12004] <... futex resumed>) = 0 [pid 12005] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12004] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12004] <... futex resumed>) = 0 [pid 12005] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12004] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12005] <... sendto resumed>) = 32 [pid 12005] recvfrom(4, [pid 12009] <... bpf resumed>) = 5 [pid 12008] setpgid(0, 0 [pid 12005] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12004}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12009] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] <... setpgid resumed>) = 0 [pid 12005] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12009] <... futex resumed>) = 1 [pid 12005] <... futex resumed>) = 1 [pid 12004] <... futex resumed>) = 0 [pid 11996] <... futex resumed>) = 0 [pid 12009] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12005] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12004] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11996] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12008] <... openat resumed>) = 3 [pid 12005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12004] <... futex resumed>) = 0 [pid 11996] <... futex resumed>) = 0 [pid 12009] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12008] write(3, "1000", 4 [pid 12005] getsockname(4, [pid 12004] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11996] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12009] <... bpf resumed>) = 0 [pid 12008] <... write resumed>) = 4 [pid 12005] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12004, nl_groups=00000000}, [116 => 12]) = 0 [pid 12009] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] close(3 [pid 12005] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12009] <... futex resumed>) = 1 [pid 12008] <... close resumed>) = 0 [pid 12005] <... futex resumed>) = 1 [pid 11996] <... futex resumed>) = 0 [pid 12009] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12008] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12005] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12004] <... futex resumed>) = 0 [pid 11996] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12008] <... futex resumed>) = 0 [pid 12004] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11996] <... futex resumed>) = 0 [pid 12009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12008] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12007] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12005] <... futex resumed>) = 0 [pid 12004] <... futex resumed>) = 1 [pid 11996] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12009] <... bpf resumed>) = 6 [pid 12008] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12007] <... sendto resumed>) = 32 [pid 12005] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe4\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12004] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12009] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12007] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12006}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 ./strace-static-x86_64: Process 12010 attached [pid 12009] <... futex resumed>) = 1 [pid 12008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12007] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11996] <... futex resumed>) = 0 [pid 12010] set_robust_list(0x5555555916a0, 24 [pid 12009] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12007] <... futex resumed>) = 1 [pid 12006] <... futex resumed>) = 0 [pid 11996] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] <... set_robust_list resumed>) = 0 [pid 12007] getsockname(4, [pid 12006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11996] <... futex resumed>) = 0 [pid 12010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12009] <... bpf resumed>) = 7 [pid 12008] <... mmap resumed>) = 0x7fb926238000 [pid 12007] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12006, nl_groups=00000000}, [116 => 12]) = 0 [pid 12006] <... futex resumed>) = 0 [pid 11996] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12010] <... prctl resumed>) = 0 [pid 12009] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12007] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 11996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12010] setpgid(0, 0 [pid 12009] <... futex resumed>) = 0 [pid 12008] <... mprotect resumed>) = 0 [pid 12007] <... futex resumed>) = 0 [pid 12006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 11996] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] <... setpgid resumed>) = 0 [pid 12009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12007] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12006] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11996] <... futex resumed>) = 0 [pid 12010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12006] <... futex resumed>) = 0 [pid 11996] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12010] <... openat resumed>) = 3 [pid 12008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12007] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe6\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12006] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12010] write(3, "1000", 4 [pid 12009] <... bpf resumed>) = 8 [pid 12008] <... clone3 resumed> => {parent_tid=[12012]}, 88) = 12012 [pid 12010] <... write resumed>) = 4 [pid 12009] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] rt_sigprocmask(SIG_SETMASK, [], [pid 12010] close(3 [pid 12009] <... futex resumed>) = 1 [pid 12008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 11996] <... futex resumed>) = 0 [pid 12009] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12008] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 11996] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] <... close resumed>) = 0 [pid 12009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12008] <... futex resumed>) = 0 [pid 11996] <... futex resumed>) = 0 [pid 12010] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12009] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12008] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 11996] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12010] <... futex resumed>) = 0 [pid 12010] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12009] <... bpf resumed>) = 9 [pid 12010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12009] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12009] <... futex resumed>) = 1 [pid 11996] <... futex resumed>) = 0 [pid 12010] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12009] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12013]}, 88) = 12013 [pid 12010] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12012 attached NULL, 8) = 0 [pid 12012] set_robust_list(0x7fb9262589a0, 24 [pid 12010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12012] <... set_robust_list resumed>) = 0 [pid 12010] <... futex resumed>) = 0 [pid 12012] rt_sigprocmask(SIG_SETMASK, [], [pid 12010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12012] memfd_create("syzkaller", 0) = 3 [pid 12012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 ./strace-static-x86_64: Process 12013 attached [pid 12013] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12012] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12013] memfd_create("syzkaller", 0) = 3 [pid 12013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12012] <... write resumed>) = 131072 [pid 12012] munmap(0x7fb91de38000, 138412032) = 0 [pid 12012] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12012] ioctl(4, LOOP_SET_FD, 3 [ 168.158715][T12005] loop1: detected capacity change from 0 to 256 [ 168.169472][T12005] exfat: Bad value for 'uid' [ 168.180815][T12007] loop4: detected capacity change from 0 to 256 [ 168.195523][T12007] exfat: Bad value for 'uid' [pid 12013] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12013] munmap(0x7fb91de38000, 138412032) = 0 [pid 12013] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 12013] ioctl(4, LOOP_SET_FD, 3 [pid 12012] <... ioctl resumed>) = 0 [pid 12012] close(3) = 0 [pid 12012] close(4) = 0 [pid 12012] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12012] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12013] <... ioctl resumed>) = 0 [pid 12000] <... sendmsg resumed>) = 64 [pid 12000] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 11996] exit_group(0 [pid 12009] <... futex resumed>) = ? [pid 12000] <... futex resumed>) = ? [pid 11996] <... exit_group resumed>) = ? [pid 12009] +++ exited with 0 +++ [pid 12000] +++ exited with 0 +++ [pid 11996] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11996, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12013] close(3 [pid 12012] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... openat resumed>) = 3 [pid 12013] <... close resumed>) = 0 [pid 12012] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12013] close(4 [pid 12012] <... openat resumed>) = 3 [pid 12013] <... close resumed>) = 0 [pid 12012] ioctl(3, LOOP_CLR_FD [pid 294] ioctl(3, LOOP_CLR_FD [pid 12013] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12013] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3 [pid 12013] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12013] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12013] ioctl(3, LOOP_CLR_FD [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12015 ./strace-static-x86_64: Process 12015 attached [pid 12004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12004] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12015] set_robust_list(0x5555555916a0, 24 [pid 12004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12004] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12004] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12016]}, 88) = 12016 [pid 12004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12004] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12004] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12015] <... set_robust_list resumed>) = 0 [pid 12015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12015] setpgid(0, 0) = 0 [pid 12015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12015] write(3, "1000", 4) = 4 [pid 12015] close(3) = 0 [pid 12015] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12015] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12015] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12017]}, 88) = 12017 [pid 12015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 12017 attached ./strace-static-x86_64: Process 12016 attached [pid 12015] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12015] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12017] set_robust_list(0x7fb9262589a0, 24 [pid 12016] set_robust_list(0x7fb9262379a0, 24 [pid 12017] <... set_robust_list resumed>) = 0 [pid 12017] rt_sigprocmask(SIG_SETMASK, [], [pid 12016] <... set_robust_list resumed>) = 0 [pid 12017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12017] memfd_create("syzkaller", 0 [pid 12016] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12017] <... memfd_create resumed>) = 3 [pid 12006] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12006] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12016] <... bpf resumed>) = 5 [pid 12006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12016] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12006] <... mmap resumed>) = 0x7fb926217000 [pid 12004] <... futex resumed>) = 0 [pid 12016] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12006] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12004] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12006] <... mprotect resumed>) = 0 [pid 12004] <... futex resumed>) = 0 [pid 12017] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12016] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12004] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12016] <... bpf resumed>) = 0 [pid 12006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12016] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12004] <... futex resumed>) = 0 [pid 12016] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12018 attached ) = -1 EAGAIN (Resource temporarily unavailable) [pid 12004] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12016] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12006] <... clone3 resumed> => {parent_tid=[12018]}, 88) = 12018 [pid 12004] <... futex resumed>) = 0 [pid 12018] set_robust_list(0x7fb9262379a0, 24 [pid 12017] <... write resumed>) = 131072 [pid 12016] <... bpf resumed>) = 6 [pid 12006] rt_sigprocmask(SIG_SETMASK, [], [pid 12004] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12018] <... set_robust_list resumed>) = 0 [pid 12018] rt_sigprocmask(SIG_SETMASK, [], [pid 12017] munmap(0x7fb91de38000, 138412032 [pid 12018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12016] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12017] <... munmap resumed>) = 0 [pid 12017] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12016] <... futex resumed>) = 1 [pid 12004] <... futex resumed>) = 0 [pid 12017] <... openat resumed>) = 4 [pid 12017] ioctl(4, LOOP_SET_FD, 3 [pid 12018] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12016] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12006] <... futex resumed>) = 0 [pid 12004] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12018] <... bpf resumed>) = 5 [pid 12017] <... ioctl resumed>) = 0 [pid 12016] <... bpf resumed>) = 7 [pid 12017] close(3) = 0 [pid 12017] close(4 [pid 12006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12004] <... futex resumed>) = 0 [pid 12017] <... close resumed>) = 0 [pid 12017] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 168.235693][T12012] loop3: detected capacity change from 0 to 256 [ 168.238594][T12013] loop2: detected capacity change from 0 to 256 [ 168.246560][T12012] exfat: Bad value for 'uid' [ 168.260982][T12013] exfat: Bad value for 'uid' [ 168.279117][T12017] loop0: detected capacity change from 0 to 256 [pid 12017] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12018] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12017] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12016] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12004] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 12004] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12004] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12017] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12017] ioctl(3, LOOP_CLR_FD [pid 12018] <... futex resumed>) = 1 [pid 12006] <... futex resumed>) = 0 [pid 12018] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12018] <... bpf resumed>) = 0 [pid 12006] <... futex resumed>) = 0 [pid 12018] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12018] <... futex resumed>) = 0 [pid 12006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12018] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12006] <... futex resumed>) = 0 [pid 12018] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12016] <... futex resumed>) = 1 [pid 12004] <... futex resumed>) = 0 [pid 12004] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 12016] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12018] <... bpf resumed>) = 6 [pid 12018] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12006] <... futex resumed>) = 0 [pid 12018] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12018] <... bpf resumed>) = 7 [pid 12006] <... futex resumed>) = 0 [pid 12006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12018] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12006] <... futex resumed>) = 0 [pid 12018] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12018] <... bpf resumed>) = 8 [pid 12016] <... bpf resumed>) = 8 [pid 12006] <... futex resumed>) = 0 [pid 12006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12018] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12006] <... futex resumed>) = 0 [pid 12018] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12006] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12018] <... bpf resumed>) = 9 [pid 12016] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... ioctl resumed>) = 0 [pid 12012] <... ioctl resumed>) = 0 [pid 12006] <... futex resumed>) = 0 [pid 12018] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] close(3 [pid 12012] close(3 [pid 12018] <... futex resumed>) = 0 [pid 12013] <... close resumed>) = 0 [pid 12012] <... close resumed>) = 0 [pid 12018] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = 1 [pid 12012] <... futex resumed>) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12012] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12013] <... socket resumed>) = 3 [pid 12012] <... socket resumed>) = 3 [pid 12013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = 1 [pid 12012] <... futex resumed>) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12006] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12013] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12012] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12013] <... socket resumed>) = 4 [pid 12012] <... socket resumed>) = 4 [pid 12013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = 1 [pid 12012] <... futex resumed>) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12012] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12013] <... sendto resumed>) = 32 [pid 12012] <... sendto resumed>) = 32 [pid 12006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12013] recvfrom(4, [pid 12012] recvfrom(4, [pid 12013] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12010}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12012] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12008}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = 1 [pid 12012] <... futex resumed>) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] getsockname(4, [pid 12012] getsockname(4, [pid 12010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12013] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12010, nl_groups=00000000}, [116 => 12]) = 0 [pid 12012] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12008, nl_groups=00000000}, [116 => 12]) = 0 [pid 12013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = 1 [pid 12012] <... futex resumed>) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12012] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 0 [pid 12013] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xea\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12012] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe8\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12010] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12017] <... ioctl resumed>) = 0 [pid 12017] close(3 [pid 12016] <... futex resumed>) = 1 [pid 12004] <... futex resumed>) = 0 [pid 12017] <... close resumed>) = 0 [pid 12004] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12017] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12016] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12004] <... futex resumed>) = 0 [pid 12017] <... futex resumed>) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12017] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12016] <... bpf resumed>) = 9 [pid 12015] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12004] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12016] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12015] <... futex resumed>) = 0 [pid 12017] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12016] <... futex resumed>) = 0 [pid 12015] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12017] <... socket resumed>) = 3 [pid 12016] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12017] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12017] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12015] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12015] <... futex resumed>) = 0 [pid 12017] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12015] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12017] <... socket resumed>) = 4 [pid 12017] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12017] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12015] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12015] <... futex resumed>) = 0 [pid 12017] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12015] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12017] <... sendto resumed>) = 32 [pid 12017] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12015}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12017] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12017] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12015] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12015] <... futex resumed>) = 0 [pid 12017] getsockname(4, [pid 12015] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12017] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12015, nl_groups=00000000}, [116 => 12]) = 0 [pid 12017] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12017] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12015] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12015] <... futex resumed>) = 0 [pid 12017] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xef\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 168.286196][T12017] exfat: Bad value for 'uid' [pid 12015] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12005] <... sendmsg resumed>) = 64 [pid 12005] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12004] exit_group(0 [pid 12016] <... futex resumed>) = ? [pid 12004] <... exit_group resumed>) = ? [pid 12016] +++ exited with 0 +++ [pid 12005] <... futex resumed>) = ? [pid 12010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12010] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] <... futex resumed>) = 0 [pid 12010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12008] <... futex resumed>) = 0 [pid 12010] <... mmap resumed>) = 0x7fb926217000 [pid 12008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12010] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12008] <... mmap resumed>) = 0x7fb926217000 [pid 12010] <... mprotect resumed>) = 0 [pid 12008] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12010] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12008] <... mprotect resumed>) = 0 [pid 12010] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12022 attached [pid 12010] <... clone3 resumed> => {parent_tid=[12022]}, 88) = 12022 [pid 12010] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12023 attached [pid 12022] set_robust_list(0x7fb9262379a0, 24 [pid 12010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] <... clone3 resumed> => {parent_tid=[12023]}, 88) = 12023 [pid 12023] set_robust_list(0x7fb9262379a0, 24 [pid 12022] <... set_robust_list resumed>) = 0 [pid 12008] rt_sigprocmask(SIG_SETMASK, [], [pid 12023] <... set_robust_list resumed>) = 0 [pid 12023] rt_sigprocmask(SIG_SETMASK, [], [pid 12022] rt_sigprocmask(SIG_SETMASK, [], [pid 12008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12008] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12008] <... futex resumed>) = 0 [pid 12022] <... bpf resumed>) = 5 [pid 12022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12023] <... bpf resumed>) = 5 [pid 12022] <... futex resumed>) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12023] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] <... futex resumed>) = 0 [pid 12023] <... futex resumed>) = 1 [pid 12008] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12008] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12022] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12023] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12022] <... bpf resumed>) = 0 [pid 12022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12022] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12010] <... futex resumed>) = 0 [pid 12023] <... bpf resumed>) = 0 [pid 12022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12023] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12022] <... bpf resumed>) = 6 [pid 12008] <... futex resumed>) = 0 [pid 12023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12008] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] <... futex resumed>) = 0 [pid 12010] <... futex resumed>) = 0 [pid 12022] <... futex resumed>) = 1 [pid 12008] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12023] <... bpf resumed>) = 6 [pid 12022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12015] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12005] +++ exited with 0 +++ [pid 12004] +++ exited with 0 +++ [pid 12023] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] <... bpf resumed>) = 7 [pid 12015] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12023] <... futex resumed>) = 1 [pid 12022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12015] <... futex resumed>) = 0 [pid 12010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12008] <... futex resumed>) = 0 [pid 12023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12022] <... futex resumed>) = 0 [pid 12015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12008] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12023] <... bpf resumed>) = 7 [pid 12022] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12015] <... mmap resumed>) = 0x7fb926217000 [pid 12010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12023] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12015] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12010] <... futex resumed>) = 0 [pid 12008] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... openat resumed>) = 3 [pid 12023] <... futex resumed>) = 0 [pid 12022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12015] <... mprotect resumed>) = 0 [pid 12010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] ioctl(3, LOOP_CLR_FD [pid 12023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12008] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12023] <... bpf resumed>) = 8 [pid 12015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12008] <... futex resumed>) = 0 [pid 297] close(3 [pid 12023] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] <... bpf resumed>) = 8 [pid 12015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12008] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... close resumed>) = 0 [pid 12023] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12023] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12024 [pid 12022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12022] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12015] <... clone3 resumed> => {parent_tid=[12025]}, 88) = 12025 [pid 12010] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12022] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12023] <... futex resumed>) = 0 [pid 12022] <... futex resumed>) = 0 [pid 12015] rt_sigprocmask(SIG_SETMASK, [], [pid 12010] <... futex resumed>) = 0 [pid 12008] <... futex resumed>) = 1 ./strace-static-x86_64: Process 12025 attached ./strace-static-x86_64: Process 12024 attached [pid 12023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12022] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12010] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12008] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12025] set_robust_list(0x7fb9262379a0, 24 [pid 12024] set_robust_list(0x5555555916a0, 24 [pid 12023] <... bpf resumed>) = 9 [pid 12015] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12025] <... set_robust_list resumed>) = 0 [pid 12024] <... set_robust_list resumed>) = 0 [pid 12023] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12015] <... futex resumed>) = 0 [pid 12025] rt_sigprocmask(SIG_SETMASK, [], [pid 12024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12023] <... futex resumed>) = 1 [pid 12015] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12008] <... futex resumed>) = 0 [pid 12025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12024] <... prctl resumed>) = 0 [pid 12023] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12025] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12024] setpgid(0, 0 [pid 12025] <... bpf resumed>) = 5 [pid 12024] <... setpgid resumed>) = 0 [pid 12025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12025] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12015] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] <... bpf resumed>) = 0 [pid 12024] <... openat resumed>) = 3 [pid 12015] <... futex resumed>) = 0 [pid 12025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] write(3, "1000", 4 [pid 12015] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12025] <... futex resumed>) = 0 [pid 12024] <... write resumed>) = 4 [pid 12015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] close(3 [pid 12015] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] <... close resumed>) = 0 [pid 12015] <... futex resumed>) = 0 [pid 12025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12024] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12015] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12025] <... bpf resumed>) = 6 [pid 12025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] <... futex resumed>) = 0 [pid 12025] <... futex resumed>) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12015] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12015] <... futex resumed>) = 0 [pid 12025] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12015] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12025] <... bpf resumed>) = 7 [pid 12024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12025] <... futex resumed>) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] <... mmap resumed>) = 0x7fb926238000 [pid 12015] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12015] <... futex resumed>) = 0 [pid 12025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12024] <... mprotect resumed>) = 0 [pid 12015] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12026 attached [pid 12025] <... bpf resumed>) = 8 [pid 12025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] <... clone3 resumed> => {parent_tid=[12026]}, 88) = 12026 [pid 12012] <... sendmsg resumed>) = 64 [pid 12026] set_robust_list(0x7fb9262589a0, 24 [pid 12007] <... sendmsg resumed>) = 64 [pid 12026] <... set_robust_list resumed>) = 0 [pid 12025] <... futex resumed>) = 1 [pid 12024] rt_sigprocmask(SIG_SETMASK, [], [pid 12015] <... futex resumed>) = 0 [pid 12012] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12008] exit_group(0 [pid 12007] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12006] exit_group(0 [pid 12026] rt_sigprocmask(SIG_SETMASK, [], [pid 12025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12023] <... futex resumed>) = ? [pid 12018] <... futex resumed>) = ? [pid 12015] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12012] <... futex resumed>) = ? [pid 12008] <... exit_group resumed>) = ? [pid 12007] <... futex resumed>) = ? [pid 12006] <... exit_group resumed>) = ? [pid 12026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12023] +++ exited with 0 +++ [pid 12018] +++ exited with 0 +++ [pid 12015] <... futex resumed>) = 0 [pid 12012] +++ exited with 0 +++ [pid 12008] +++ exited with 0 +++ [pid 12007] +++ exited with 0 +++ [pid 12026] memfd_create("syzkaller", 0) = 3 [pid 12024] <... futex resumed>) = 0 [pid 12015] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12025] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12024] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12026] <... mmap resumed>) = 0x7fb91de38000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 12026] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 299] close(3 [pid 12026] <... write resumed>) = 131072 [pid 299] <... close resumed>) = 0 [pid 12026] munmap(0x7fb91de38000, 138412032) = 0 [pid 12026] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12026] ioctl(4, LOOP_SET_FD, 3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12027 ./strace-static-x86_64: Process 12027 attached [pid 12027] set_robust_list(0x5555555916a0, 24) = 0 [pid 12027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12027] setpgid(0, 0) = 0 [pid 12027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12027] write(3, "1000", 4) = 4 [pid 12027] close(3) = 0 [pid 12026] <... ioctl resumed>) = 0 [pid 12027] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12026] close(3 [pid 12027] <... futex resumed>) = 0 [pid 12026] <... close resumed>) = 0 [pid 12027] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12026] close(4 [pid 12027] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12027] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12026] <... close resumed>) = 0 [pid 12026] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12026] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12013] <... sendmsg resumed>) = 64 [pid 12026] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12026] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 12006] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12006, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 12025] <... bpf resumed>) = 9 [pid 300] <... restart_syscall resumed>) = 0 [pid 12013] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12013] <... futex resumed>) = 0 [pid 12013] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12025] <... futex resumed>) = 1 [pid 12015] <... futex resumed>) = 0 [pid 12025] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12027] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12026] ioctl(3, LOOP_CLR_FD [pid 12027] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12010] exit_group(0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12022] <... futex resumed>) = ? [pid 12013] <... futex resumed>) = ? [pid 12010] <... exit_group resumed>) = ? [pid 300] <... openat resumed>) = 3 [pid 12022] +++ exited with 0 +++ [pid 12013] +++ exited with 0 +++ [pid 12027] <... clone3 resumed> => {parent_tid=[12028]}, 88) = 12028 [pid 12027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] ioctl(3, LOOP_CLR_FD [pid 12027] <... futex resumed>) = 0 [pid 12027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12028 attached [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12028] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12028] rt_sigprocmask(SIG_SETMASK, [], [pid 300] close(3) = 0 [pid 12028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12029 [pid 12028] memfd_create("syzkaller", 0) = 3 [pid 12028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 ./strace-static-x86_64: Process 12029 attached [pid 12029] set_robust_list(0x5555555916a0, 24) = 0 [pid 12028] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12029] setpgid(0, 0) = 0 [pid 12029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12028] <... write resumed>) = 131072 [pid 12028] munmap(0x7fb91de38000, 138412032) = 0 [pid 12029] <... openat resumed>) = 3 [pid 12028] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12029] write(3, "1000", 4) = 4 [pid 12028] ioctl(4, LOOP_SET_FD, 3 [pid 12029] close(3) = 0 [pid 12029] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12029] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12029] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12030]}, 88) = 12030 [pid 12029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12029] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12029] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12030 attached [pid 12030] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12030] memfd_create("syzkaller", 0) = 3 [pid 12030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12030] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12030] munmap(0x7fb91de38000, 138412032) = 0 [pid 12030] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 12030] ioctl(4, LOOP_SET_FD, 3 [pid 12028] <... ioctl resumed>) = 0 [pid 12028] close(3) = 0 [pid 12028] close(4) = 0 [pid 12028] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12028] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12030] <... ioctl resumed>) = 0 [pid 12028] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12030] close(3 [pid 12028] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12030] <... close resumed>) = 0 [pid 12030] close(4) = 0 [ 168.404437][T12026] loop1: detected capacity change from 0 to 256 [ 168.414221][T12026] exfat: Bad value for 'uid' [ 168.434455][T12028] loop3: detected capacity change from 0 to 256 [ 168.438849][T12030] loop4: detected capacity change from 0 to 256 [ 168.443366][T12028] exfat: Bad value for 'uid' [pid 12030] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12030] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12030] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12030] ioctl(3, LOOP_CLR_FD [pid 12028] <... openat resumed>) = 3 [pid 12028] ioctl(3, LOOP_CLR_FD [pid 12010] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12010, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12031 ./strace-static-x86_64: Process 12031 attached [pid 12031] set_robust_list(0x5555555916a0, 24) = 0 [pid 12031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12031] setpgid(0, 0) = 0 [pid 12031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12031] write(3, "1000", 4) = 4 [pid 12031] close(3) = 0 [pid 12031] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12031] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12031] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12031] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12032 attached => {parent_tid=[12032]}, 88) = 12032 [pid 12031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12031] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12031] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12032] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12032] memfd_create("syzkaller", 0) = 3 [pid 12032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12026] <... ioctl resumed>) = 0 [pid 12026] close(3) = 0 [pid 12026] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12024] <... futex resumed>) = 0 [pid 12026] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] <... futex resumed>) = 0 [pid 12026] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12024] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12026] <... socket resumed>) = 3 [pid 12026] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12024] <... futex resumed>) = 0 [pid 12032] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12026] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12026] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12026] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] <... write resumed>) = 131072 [pid 12026] <... futex resumed>) = 1 [pid 12024] <... futex resumed>) = 0 [pid 12032] munmap(0x7fb91de38000, 138412032 [pid 12026] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12024] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] <... munmap resumed>) = 0 [pid 12026] <... sendto resumed>) = 32 [pid 12024] <... futex resumed>) = 0 [pid 12024] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12026] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12024}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12032] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12026] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] <... openat resumed>) = 4 [pid 12032] ioctl(4, LOOP_SET_FD, 3 [pid 12026] <... futex resumed>) = 1 [pid 12024] <... futex resumed>) = 0 [ 168.452837][T12030] exfat: Bad value for 'uid' [pid 12026] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] <... futex resumed>) = 0 [pid 12026] getsockname(4, [pid 12024] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12026] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12024, nl_groups=00000000}, [116 => 12]) = 0 [pid 12026] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12024] <... futex resumed>) = 0 [pid 12026] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] <... futex resumed>) = 0 [pid 12026] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf8\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12024] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12032] <... ioctl resumed>) = 0 [pid 12032] close(3) = 0 [pid 12032] close(4) = 0 [pid 12032] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12032] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12030] <... ioctl resumed>) = 0 [pid 12028] <... ioctl resumed>) = 0 [pid 12017] <... sendmsg resumed>) = 64 [pid 12017] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12017] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12030] close(3 [pid 12028] close(3 [pid 12030] <... close resumed>) = 0 [pid 12028] <... close resumed>) = 0 [pid 12015] exit_group(0 [pid 12028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12030] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] <... futex resumed>) = 1 [pid 12027] <... futex resumed>) = 0 [pid 12025] <... futex resumed>) = ? [pid 12017] <... futex resumed>) = ? [pid 12015] <... exit_group resumed>) = ? [pid 12030] <... futex resumed>) = 1 [pid 12028] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12032] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12030] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] <... futex resumed>) = 0 [pid 12028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12025] +++ exited with 0 +++ [pid 12017] +++ exited with 0 +++ [pid 12015] +++ exited with 0 +++ [pid 12029] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12027] <... futex resumed>) = 0 [pid 12029] <... futex resumed>) = 0 [pid 12027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12015, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12029] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 12030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12028] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12032] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12032] ioctl(3, LOOP_CLR_FD [pid 12030] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12028] <... socket resumed>) = 3 [pid 12030] <... socket resumed>) = 3 [pid 12028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... restart_syscall resumed>) = 0 [pid 12030] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] <... futex resumed>) = 1 [pid 12027] <... futex resumed>) = 0 [pid 12027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12030] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12028] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12029] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 12029] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 12029] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12030] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12028] <... socket resumed>) = 4 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12034 [pid 12030] <... socket resumed>) = 4 [pid 12030] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12034 attached [pid 12030] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12028] <... futex resumed>) = 1 [pid 12027] <... futex resumed>) = 0 [pid 12030] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12029] <... futex resumed>) = 0 [pid 12028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12027] <... futex resumed>) = 0 [pid 12030] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12029] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12028] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12030] <... sendto resumed>) = 32 [pid 12028] <... sendto resumed>) = 32 [pid 12030] recvfrom(4, [pid 12028] recvfrom(4, [pid 12030] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12029}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12028] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12027}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12034] set_robust_list(0x5555555916a0, 24) = 0 [pid 12030] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12030] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12028] <... futex resumed>) = 1 [pid 12027] <... futex resumed>) = 0 [pid 12034] <... prctl resumed>) = 0 [pid 12030] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] <... futex resumed>) = 0 [pid 12027] <... futex resumed>) = 0 [pid 12029] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12028] getsockname(4, [pid 12030] getsockname(4, [pid 12028] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12027, nl_groups=00000000}, [116 => 12]) = 0 [pid 12030] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12029, nl_groups=00000000}, [116 => 12]) = 0 [pid 12028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12034] setpgid(0, 0 [pid 12030] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] <... futex resumed>) = 1 [pid 12027] <... futex resumed>) = 0 [pid 12034] <... setpgid resumed>) = 0 [pid 12030] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12028] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfb\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12027] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12030] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12027] <... futex resumed>) = 0 [pid 12030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12029] <... futex resumed>) = 0 [pid 12027] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12034] <... openat resumed>) = 3 [pid 12030] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfd\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12029] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12034] write(3, "1000", 4) = 4 [pid 12034] close(3) = 0 [pid 12034] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12034] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12034] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12036]}, 88) = 12036 [pid 12034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12032] <... ioctl resumed>) = 0 [pid 12032] close(3) = 0 [pid 12032] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12036 attached ) = 1 [pid 12031] <... futex resumed>) = 0 [pid 12032] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 12031] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12031] <... futex resumed>) = 0 [pid 12032] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12031] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12032] <... futex resumed>) = 0 [pid 12031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12034] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12031] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] set_robust_list(0x7fb9262589a0, 24 [pid 12032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12036] <... set_robust_list resumed>) = 0 [pid 12032] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12031] <... futex resumed>) = 0 [pid 12036] rt_sigprocmask(SIG_SETMASK, [], [pid 12034] <... futex resumed>) = 0 [pid 12032] <... socket resumed>) = 4 [pid 12031] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12034] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12032] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12036] memfd_create("syzkaller", 0 [pid 12032] <... futex resumed>) = 0 [pid 12031] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] <... memfd_create resumed>) = 3 [pid 12032] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12031] <... futex resumed>) = 0 [pid 12036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12032] <... sendto resumed>) = 32 [pid 12031] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12036] <... mmap resumed>) = 0x7fb91de38000 [pid 12032] recvfrom(4, [pid 12036] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12032] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12031}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12036] <... write resumed>) = 131072 [pid 12032] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] munmap(0x7fb91de38000, 138412032 [pid 12032] <... futex resumed>) = 1 [pid 12031] <... futex resumed>) = 0 [pid 12036] <... munmap resumed>) = 0 [pid 12032] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12031] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12036] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12024] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] <... openat resumed>) = 4 [pid 12032] getsockname(4, [pid 12031] <... futex resumed>) = 0 [pid 12024] <... futex resumed>) = 0 [pid 12036] ioctl(4, LOOP_SET_FD, 3 [pid 12032] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12031, nl_groups=00000000}, [116 => 12]) = 0 [ 168.484078][T12032] loop2: detected capacity change from 0 to 256 [ 168.491714][T12032] exfat: Bad value for 'uid' [pid 12031] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12032] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12031] <... futex resumed>) = 0 [pid 12032] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12031] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12031] <... futex resumed>) = 0 [pid 12032] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xff\x2e\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12031] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12024] <... mmap resumed>) = 0x7fb926217000 [pid 12024] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12036] <... ioctl resumed>) = 0 [pid 12036] close(3) = 0 [pid 12036] close(4) = 0 [pid 12036] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12036] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12024] <... clone3 resumed> => {parent_tid=[12039]}, 88) = 12039 [pid 12036] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12036] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12036] ioctl(3, LOOP_CLR_FD) = 0 [pid 12036] close(3 [pid 12024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12036] <... close resumed>) = 0 [pid 12036] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12034] <... futex resumed>) = 0 [pid 12024] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12034] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] <... socket resumed>) = 3 [pid 12034] <... futex resumed>) = 0 [pid 12024] <... futex resumed>) = 0 [pid 12034] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12024] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12036] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12034] <... futex resumed>) = 0 [pid 12036] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12034] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] <... socket resumed>) = 4 [pid 12034] <... futex resumed>) = 0 [pid 12034] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12036] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12034] <... futex resumed>) = 0 [pid 12036] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12034] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12039 attached [pid 12036] <... sendto resumed>) = 32 [pid 12034] <... futex resumed>) = 0 [pid 12039] set_robust_list(0x7fb9262379a0, 24 [pid 12036] recvfrom(4, [pid 12034] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12039] <... set_robust_list resumed>) = 0 [pid 12036] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12034}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12039] rt_sigprocmask(SIG_SETMASK, [], [pid 12036] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12036] <... futex resumed>) = 0 [pid 12039] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12036] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12039] <... bpf resumed>) = 5 [pid 12034] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12039] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] <... futex resumed>) = 0 [pid 12034] <... futex resumed>) = 1 [pid 12039] <... futex resumed>) = 1 [pid 12036] getsockname(4, [pid 12034] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12024] <... futex resumed>) = 0 [pid 12039] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12036] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12034, nl_groups=00000000}, [116 => 12]) = 0 [pid 12024] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12036] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] <... futex resumed>) = 0 [pid 12039] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12036] <... futex resumed>) = 1 [pid 12034] <... futex resumed>) = 0 [pid 12024] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12039] <... bpf resumed>) = 0 [pid 12036] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12034] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12039] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12034] <... futex resumed>) = 0 [pid 12039] <... futex resumed>) = 1 [pid 12036] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x02\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12034] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12024] <... futex resumed>) = 0 [pid 12039] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12024] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12039] <... futex resumed>) = 0 [pid 12024] <... futex resumed>) = 1 [pid 12039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12024] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12039] <... bpf resumed>) = 6 [pid 12039] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12027] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12027] <... futex resumed>) = 0 [pid 12029] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12039] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12027] <... mmap resumed>) = 0x7fb926217000 [pid 12024] <... futex resumed>) = 0 [pid 12029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12027] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12024] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12039] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12029] <... mmap resumed>) = 0x7fb926217000 [pid 12027] <... mprotect resumed>) = 0 [pid 12024] <... futex resumed>) = 0 [pid 12039] <... bpf resumed>) = 7 [pid 12029] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12027] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12024] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12039] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] <... mprotect resumed>) = 0 [pid 12027] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12039] <... futex resumed>) = 0 [pid 12029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12024] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12029] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12024] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12041 attached [pid 12029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12027] <... clone3 resumed> => {parent_tid=[12041]}, 88) = 12041 ./strace-static-x86_64: Process 12042 attached [pid 12039] <... bpf resumed>) = 8 [pid 12027] rt_sigprocmask(SIG_SETMASK, [], [pid 12024] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12041] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12039] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] <... clone3 resumed> => {parent_tid=[12042]}, 88) = 12042 [pid 12027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12042] set_robust_list(0x7fb9262379a0, 24 [pid 12041] rt_sigprocmask(SIG_SETMASK, [], [pid 12039] <... futex resumed>) = 0 [pid 12029] rt_sigprocmask(SIG_SETMASK, [], [pid 12027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12024] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... set_robust_list resumed>) = 0 [pid 12041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12039] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12024] <... futex resumed>) = 0 [pid 12042] rt_sigprocmask(SIG_SETMASK, [], [pid 12041] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12039] <... bpf resumed>) = 9 [pid 12029] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12027] <... futex resumed>) = 0 [pid 12024] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12041] <... bpf resumed>) = 5 [pid 12039] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] <... futex resumed>) = 0 [pid 12027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12041] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12039] <... futex resumed>) = 0 [pid 12029] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12042] <... bpf resumed>) = 5 [pid 12041] <... futex resumed>) = 0 [pid 12039] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12041] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12027] <... futex resumed>) = 0 [pid 12042] <... futex resumed>) = 1 [pid 12041] <... bpf resumed>) = 0 [pid 12029] <... futex resumed>) = 0 [pid 12027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12041] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12041] <... futex resumed>) = 0 [pid 12029] <... futex resumed>) = 0 [pid 12027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12042] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12041] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... bpf resumed>) = 0 [pid 12041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12027] <... futex resumed>) = 0 [pid 12042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12042] <... futex resumed>) = 1 [pid 12041] <... bpf resumed>) = 6 [pid 12029] <... futex resumed>) = 0 [pid 12042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12041] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12041] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12027] <... futex resumed>) = 0 [pid 12042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12041] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... bpf resumed>) = 6 [pid 12041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12027] <... futex resumed>) = 0 [pid 12042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12042] <... futex resumed>) = 1 [pid 12041] <... bpf resumed>) = 7 [pid 12029] <... futex resumed>) = 0 [pid 12042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12041] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12041] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12027] <... futex resumed>) = 0 [pid 12042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12041] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... bpf resumed>) = 7 [pid 12041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12027] <... futex resumed>) = 0 [pid 12042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12042] <... futex resumed>) = 1 [pid 12041] <... bpf resumed>) = 8 [pid 12029] <... futex resumed>) = 0 [pid 12042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12041] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12041] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12027] <... futex resumed>) = 0 [pid 12042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12041] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12027] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... bpf resumed>) = 8 [pid 12041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12027] <... futex resumed>) = 0 [pid 12042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12027] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12042] <... futex resumed>) = 1 [pid 12041] <... bpf resumed>) = 9 [pid 12029] <... futex resumed>) = 0 [pid 12042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12041] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12029] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12041] <... futex resumed>) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12027] <... futex resumed>) = 0 [pid 12042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12041] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12042] <... bpf resumed>) = 9 [pid 12042] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12029] <... futex resumed>) = 0 [pid 12042] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12026] <... sendmsg resumed>) = 64 [pid 12031] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12031] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12026] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12031] <... futex resumed>) = 0 [pid 12026] <... futex resumed>) = 0 [pid 12031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12026] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12031] <... mmap resumed>) = 0x7fb926217000 [pid 12031] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12024] exit_group(0 [pid 12039] <... futex resumed>) = ? [pid 12031] <... mprotect resumed>) = 0 [pid 12026] <... futex resumed>) = ? [pid 12024] <... exit_group resumed>) = ? [pid 12039] +++ exited with 0 +++ [pid 12031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12026] +++ exited with 0 +++ [pid 12031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12024] +++ exited with 0 +++ ./strace-static-x86_64: Process 12043 attached [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12024, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12031] <... clone3 resumed> => {parent_tid=[12043]}, 88) = 12043 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 12043] set_robust_list(0x7fb9262379a0, 24 [pid 12031] rt_sigprocmask(SIG_SETMASK, [], [pid 12043] <... set_robust_list resumed>) = 0 [pid 12031] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 168.541726][T12036] loop0: detected capacity change from 0 to 256 [ 168.548849][T12036] exfat: Bad value for 'uid' [pid 297] <... restart_syscall resumed>) = 0 [pid 12043] rt_sigprocmask(SIG_SETMASK, [], [pid 12031] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12031] <... futex resumed>) = 0 [pid 12043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12031] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12043] <... bpf resumed>) = 5 [pid 297] <... openat resumed>) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 12043] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 12043] <... futex resumed>) = 1 [pid 12031] <... futex resumed>) = 0 [pid 12043] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12031] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12031] <... futex resumed>) = 0 [pid 12043] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12031] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12043] <... bpf resumed>) = 0 [pid 12043] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12031] <... futex resumed>) = 0 [pid 12043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12031] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12043] <... bpf resumed>) = 6 [pid 12031] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12044 attached [pid 12043] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12031] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12044 [pid 12044] set_robust_list(0x5555555916a0, 24 [pid 12043] <... futex resumed>) = 0 [pid 12031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12044] <... set_robust_list resumed>) = 0 [pid 12031] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12031] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12044] <... prctl resumed>) = 0 [pid 12044] setpgid(0, 0) = 0 [pid 12044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12044] <... openat resumed>) = 3 [pid 12043] <... bpf resumed>) = 7 [pid 12044] write(3, "1000", 4) = 4 [pid 12043] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] close(3 [pid 12031] <... futex resumed>) = 0 [pid 12043] <... futex resumed>) = 1 [pid 12044] <... close resumed>) = 0 [pid 12031] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12031] <... futex resumed>) = 0 [pid 12031] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12044] <... futex resumed>) = 0 [pid 12044] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12044] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12044] <... mprotect resumed>) = 0 [pid 12044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12045]}, 88) = 12045 [pid 12044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12044] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12044] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12045 attached [pid 12045] set_robust_list(0x7fb9262589a0, 24 [pid 12043] <... bpf resumed>) = 8 [pid 12045] <... set_robust_list resumed>) = 0 [pid 12043] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] <... sendmsg resumed>) = 64 [pid 12045] rt_sigprocmask(SIG_SETMASK, [], [pid 12034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12031] <... futex resumed>) = 0 [pid 12028] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12027] exit_group(0 [pid 12045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12043] <... futex resumed>) = 1 [pid 12041] <... futex resumed>) = ? [pid 12034] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12031] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12028] <... futex resumed>) = ? [pid 12027] <... exit_group resumed>) = ? [pid 12043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12041] +++ exited with 0 +++ [pid 12034] <... futex resumed>) = 0 [pid 12031] <... futex resumed>) = 0 [pid 12028] +++ exited with 0 +++ [pid 12034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12031] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12034] <... mmap resumed>) = 0x7fb926217000 [pid 12034] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12045] memfd_create("syzkaller", 0 [pid 12034] <... clone3 resumed> => {parent_tid=[12046]}, 88) = 12046 [pid 12045] <... memfd_create resumed>) = 3 [pid 12045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12034] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12034] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12045] <... mmap resumed>) = 0x7fb91de38000 [pid 12045] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 12046 attached ) = 131072 [pid 12046] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12045] munmap(0x7fb91de38000, 138412032 [pid 12046] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12045] <... munmap resumed>) = 0 [pid 12045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12046] <... bpf resumed>) = 5 [pid 12045] <... openat resumed>) = 4 [pid 12046] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12034] <... futex resumed>) = 0 [pid 12034] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12046] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12034] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12045] ioctl(4, LOOP_SET_FD, 3 [pid 12046] <... bpf resumed>) = 0 [pid 12045] <... ioctl resumed>) = 0 [pid 12046] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12043] <... bpf resumed>) = 9 [pid 12027] +++ exited with 0 +++ [pid 12046] <... futex resumed>) = 1 [pid 12043] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12034] <... futex resumed>) = 0 [pid 12046] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12043] <... futex resumed>) = 1 [pid 12034] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12031] <... futex resumed>) = 0 [pid 12046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12043] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12034] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12027, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12045] close(3 [pid 12034] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12045] <... close resumed>) = 0 [pid 12046] <... bpf resumed>) = 6 [pid 12046] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12034] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12046] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12034] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12034] <... futex resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 12046] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12034] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12046] <... bpf resumed>) = 7 [pid 12045] close(4 [pid 299] ioctl(3, LOOP_CLR_FD [pid 12046] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12045] <... close resumed>) = 0 [pid 12045] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12045] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12046] <... futex resumed>) = 1 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12046] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12045] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12034] <... futex resumed>) = 0 [pid 12046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12034] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] close(3 [pid 12046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12034] <... futex resumed>) = 0 [pid 12034] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... close resumed>) = 0 [pid 12045] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 12045] ioctl(3, LOOP_CLR_FD [pid 12046] <... bpf resumed>) = 8 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12046] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12034] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12048 [pid 12046] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12034] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12034] <... futex resumed>) = 0 [pid 12046] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12034] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12046] <... bpf resumed>) = 9 [pid 12046] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12032] <... sendmsg resumed>) = 64 [pid 12030] <... sendmsg resumed>) = 64 [pid 12046] <... futex resumed>) = 1 [pid 12032] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12030] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12046] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12032] <... futex resumed>) = 0 [pid 12030] <... futex resumed>) = 0 [pid 12032] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12030] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12029] exit_group(0 [pid 12042] <... futex resumed>) = ? [pid 12034] <... futex resumed>) = 0 [pid 12030] <... futex resumed>) = ? [pid 12029] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 12048 attached [pid 12042] +++ exited with 0 +++ [pid 12030] +++ exited with 0 +++ [pid 12031] exit_group(0 [pid 12029] +++ exited with 0 +++ [pid 12048] set_robust_list(0x5555555916a0, 24 [pid 12043] <... futex resumed>) = ? [pid 12032] <... futex resumed>) = ? [pid 12031] <... exit_group resumed>) = ? [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12029, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 12048] <... set_robust_list resumed>) = 0 [pid 12043] +++ exited with 0 +++ [pid 12048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12048] setpgid(0, 0 [pid 300] <... openat resumed>) = 3 [pid 12048] <... setpgid resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 12048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 300] close(3 [pid 12048] <... openat resumed>) = 3 [pid 300] <... close resumed>) = 0 [pid 12048] write(3, "1000", 4 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12048] <... write resumed>) = 4 [pid 12048] close(3 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12049 [pid 12048] <... close resumed>) = 0 [pid 12048] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12048] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12050]}, 88) = 12050 [pid 12048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12050 attached [pid 12050] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12050] memfd_create("syzkaller", 0) = 3 [pid 12050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 ./strace-static-x86_64: Process 12049 attached [pid 12049] set_robust_list(0x5555555916a0, 24) = 0 [pid 12049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12049] setpgid(0, 0) = 0 [pid 12049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12050] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12049] <... openat resumed>) = 3 [pid 12049] write(3, "1000", 4) = 4 [pid 12049] close(3 [pid 12050] <... write resumed>) = 131072 [pid 12049] <... close resumed>) = 0 [pid 12050] munmap(0x7fb91de38000, 138412032 [pid 12049] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12049] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12050] <... munmap resumed>) = 0 [pid 12049] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12050] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12049] <... mmap resumed>) = 0x7fb926238000 [pid 12049] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12050] <... openat resumed>) = 4 [pid 12049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12051]}, 88) = 12051 [pid 12049] rt_sigprocmask(SIG_SETMASK, [], [pid 12050] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 12051 attached [pid 12049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 168.625244][T12045] loop1: detected capacity change from 0 to 256 [ 168.637415][T12045] exfat: Bad value for 'uid' [pid 12049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12051] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12051] memfd_create("syzkaller", 0) = 3 [pid 12051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12051] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12051] munmap(0x7fb91de38000, 138412032 [pid 12045] <... ioctl resumed>) = 0 [pid 12045] close(3 [pid 12051] <... munmap resumed>) = 0 [pid 12050] <... ioctl resumed>) = 0 [pid 12045] <... close resumed>) = 0 [pid 12045] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12044] <... futex resumed>) = 0 [pid 12045] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12044] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12045] <... socket resumed>) = 3 [pid 12044] <... futex resumed>) = 0 [pid 12045] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12045] <... futex resumed>) = 0 [pid 12044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12045] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12044] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12045] <... socket resumed>) = 4 [pid 12044] <... futex resumed>) = 0 [pid 12045] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12045] <... futex resumed>) = 0 [pid 12044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12045] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12044] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12045] <... sendto resumed>) = 32 [pid 12044] <... futex resumed>) = 0 [pid 12045] recvfrom(4, [pid 12044] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12045] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12044}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12045] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12044] <... futex resumed>) = 0 [pid 12045] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12044] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12044] <... futex resumed>) = 0 [pid 12045] getsockname(4, [pid 12044] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12045] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12044, nl_groups=00000000}, [116 => 12]) = 0 [pid 12045] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12044] <... futex resumed>) = 0 [pid 12045] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12044] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12044] <... futex resumed>) = 0 [pid 12045] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0c\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12044] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12051] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12050] close(3 [pid 12032] +++ exited with 0 +++ [pid 12031] +++ exited with 0 +++ [pid 12051] <... openat resumed>) = 4 [pid 12050] <... close resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12051] ioctl(4, LOOP_SET_FD, 3 [pid 12050] close(4) = 0 [pid 12050] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12050] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 12051] <... ioctl resumed>) = 0 [pid 12050] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... close resumed>) = 0 [pid 12050] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12050] ioctl(3, LOOP_CLR_FD) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12050] close(3) = 0 [pid 12050] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12053 attached [pid 12051] close(3 [pid 12050] <... futex resumed>) = 1 [pid 12048] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12053 [pid 12048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12050] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12048] <... futex resumed>) = 0 [pid 12048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12050] <... socket resumed>) = 3 [pid 12050] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12050] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12050] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12050] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12053] set_robust_list(0x5555555916a0, 24) = 0 [pid 12053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12053] setpgid(0, 0) = 0 [pid 12053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12051] <... close resumed>) = 0 [pid 12051] close(4 [pid 12053] <... openat resumed>) = 3 [pid 12053] write(3, "1000", 4) = 4 [pid 12053] close(3) = 0 [pid 12053] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12053] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12053] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12054]}, 88) = 12054 [pid 12053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12054 attached [pid 12054] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12054] memfd_create("syzkaller", 0) = 3 [pid 12054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12054] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12054] munmap(0x7fb91de38000, 138412032) = 0 [pid 12054] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 168.673768][T12050] loop3: detected capacity change from 0 to 256 [ 168.689367][T12051] loop4: detected capacity change from 0 to 256 [ 168.691832][T12050] exfat: Bad value for 'uid' [pid 12054] ioctl(4, LOOP_SET_FD, 3 [pid 12051] <... close resumed>) = 0 [pid 12051] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12051] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12054] <... ioctl resumed>) = 0 [pid 12054] close(3) = 0 [pid 12054] close(4) = 0 [pid 12054] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12054] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12054] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12051] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12051] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12054] <... openat resumed>) = 3 [pid 12051] <... openat resumed>) = 3 [pid 12051] ioctl(3, LOOP_CLR_FD [pid 12054] ioctl(3, LOOP_CLR_FD [pid 12036] <... sendmsg resumed>) = 64 [pid 12036] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12036] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12044] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12044] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12034] exit_group(0 [pid 12046] <... futex resumed>) = ? [pid 12044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12036] <... futex resumed>) = ? [pid 12034] <... exit_group resumed>) = ? [pid 12046] +++ exited with 0 +++ [pid 12044] <... mmap resumed>) = 0x7fb926217000 [pid 12036] +++ exited with 0 +++ [pid 12050] <... sendto resumed>) = 32 [pid 12034] +++ exited with 0 +++ [pid 12050] recvfrom(4, [pid 12044] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12050] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12048}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12044] <... mprotect resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12034, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12050] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 12050] <... futex resumed>) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12044] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 12050] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12048] <... futex resumed>) = 0 [pid 12050] getsockname(4, [pid 12048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12044] <... clone3 resumed> => {parent_tid=[12055]}, 88) = 12055 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12050] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12048, nl_groups=00000000}, [116 => 12]) = 0 [pid 12044] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... openat resumed>) = 3 [pid 12051] <... ioctl resumed>) = 0 [pid 12050] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 12044] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12044] <... futex resumed>) = 0 [pid 294] close(3 [pid 12050] <... futex resumed>) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12044] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... close resumed>) = 0 [pid 12050] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12048] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12048] <... futex resumed>) = 0 [pid 12050] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x10\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12048] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12056 ./strace-static-x86_64: Process 12055 attached [pid 12055] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12055] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12054] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 12056 attached [pid 12055] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12054] close(3 [pid 12051] close(3 [pid 12056] set_robust_list(0x5555555916a0, 24 [pid 12051] <... close resumed>) = 0 [pid 12056] <... set_robust_list resumed>) = 0 [pid 12051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12051] <... futex resumed>) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12056] <... prctl resumed>) = 0 [pid 12051] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] setpgid(0, 0 [pid 12051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12049] <... futex resumed>) = 0 [pid 12056] <... setpgid resumed>) = 0 [pid 12051] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12051] <... socket resumed>) = 3 [pid 12056] <... openat resumed>) = 3 [pid 12051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] write(3, "1000", 4 [pid 12051] <... futex resumed>) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12056] <... write resumed>) = 4 [pid 12051] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] close(3 [pid 12051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12049] <... futex resumed>) = 0 [pid 12056] <... close resumed>) = 0 [pid 12051] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12056] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12051] <... socket resumed>) = 4 [pid 12056] <... futex resumed>) = 0 [pid 12051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12051] <... futex resumed>) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12056] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12051] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12049] <... futex resumed>) = 0 [pid 12056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12051] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12055] <... futex resumed>) = 1 [pid 12054] <... close resumed>) = 0 [pid 12051] <... sendto resumed>) = 32 [pid 12044] <... futex resumed>) = 0 [pid 12056] <... mmap resumed>) = 0x7fb926238000 [pid 12055] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12054] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12051] recvfrom(4, [pid 12044] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12055] <... bpf resumed>) = 0 [pid 12054] <... futex resumed>) = 1 [pid 12053] <... futex resumed>) = 0 [pid 12051] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12049}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12044] <... futex resumed>) = 0 [pid 12056] <... mprotect resumed>) = 0 [pid 12055] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12054] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12051] <... futex resumed>) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12051] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12055] <... futex resumed>) = 0 [pid 12054] <... socket resumed>) = 3 [pid 12053] <... futex resumed>) = 0 [pid 12051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12049] <... futex resumed>) = 0 [pid 12044] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12055] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12054] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12051] getsockname(4, [pid 12044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12054] <... futex resumed>) = 0 [pid 12053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12051] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12049, nl_groups=00000000}, [116 => 12]) = 0 [pid 12044] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] <... clone3 resumed> => {parent_tid=[12058]}, 88) = 12058 [pid 12055] <... futex resumed>) = 0 [pid 12054] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] <... futex resumed>) = 1 [pid 12056] rt_sigprocmask(SIG_SETMASK, [], [pid 12055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12053] <... futex resumed>) = 0 [pid 12051] <... futex resumed>) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12044] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12058 attached [pid 12056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12055] <... bpf resumed>) = 6 [pid 12054] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12051] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12055] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12054] <... socket resumed>) = 4 [pid 12056] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12055] <... futex resumed>) = 1 [pid 12054] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12049] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] <... futex resumed>) = 0 [pid 12056] <... futex resumed>) = 0 [pid 12055] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12054] <... futex resumed>) = 1 [pid 12053] <... futex resumed>) = 0 [pid 12051] <... futex resumed>) = 0 [pid 12049] <... futex resumed>) = 1 [pid 12044] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12054] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12051] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x11\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12049] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12044] <... futex resumed>) = 0 [pid 12055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12053] <... futex resumed>) = 0 [pid 12044] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12055] <... bpf resumed>) = 7 [pid 12054] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12058] set_robust_list(0x7fb9262589a0, 24 [pid 12055] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12044] <... futex resumed>) = 0 [pid 12055] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12044] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12058] <... set_robust_list resumed>) = 0 [pid 12055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12044] <... futex resumed>) = 0 [pid 12058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12058] memfd_create("syzkaller", 0 [pid 12044] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12058] <... memfd_create resumed>) = 3 [pid 12055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12054] <... sendto resumed>) = 32 [pid 12058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 168.719400][T12054] loop2: detected capacity change from 0 to 256 [ 168.723480][T12051] exfat: Bad value for 'uid' [ 168.728858][T12054] exfat: Bad value for 'uid' [pid 12058] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12055] <... bpf resumed>) = 8 [pid 12054] recvfrom(4, [pid 12055] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12054] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12053}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12055] <... futex resumed>) = 1 [pid 12054] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] <... futex resumed>) = 0 [pid 12055] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12054] <... futex resumed>) = 1 [pid 12053] <... futex resumed>) = 0 [pid 12044] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12054] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] <... futex resumed>) = 0 [pid 12055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12053] <... futex resumed>) = 0 [pid 12044] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12058] <... write resumed>) = 131072 [pid 12055] <... bpf resumed>) = 9 [pid 12054] getsockname(4, [pid 12053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12055] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12054] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12053, nl_groups=00000000}, [116 => 12]) = 0 [pid 12055] <... futex resumed>) = 1 [pid 12054] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12044] <... futex resumed>) = 0 [pid 12055] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12054] <... futex resumed>) = 1 [pid 12053] <... futex resumed>) = 0 [pid 12054] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12053] <... futex resumed>) = 0 [pid 12054] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x15\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12053] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12058] munmap(0x7fb91de38000, 138412032) = 0 [pid 12058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12058] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12058] close(3) = 0 [pid 12058] close(4) = 0 [pid 12058] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12058] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12048] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12048] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12061]}, 88) = 12061 [pid 12048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12061 attached [pid 12061] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12061] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12048] <... futex resumed>) = 0 [pid 12048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12061] <... futex resumed>) = 1 [pid 12058] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12061] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12061] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12048] <... futex resumed>) = 0 [pid 12048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12061] <... futex resumed>) = 1 [pid 12061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12058] ioctl(3, LOOP_CLR_FD [pid 12061] <... bpf resumed>) = 6 [pid 12061] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12061] <... bpf resumed>) = 7 [pid 12061] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12061] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12048] <... futex resumed>) = 0 [pid 12048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 12061] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12048] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12048] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12061] <... bpf resumed>) = 9 [pid 12061] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12048] <... futex resumed>) = 0 [pid 12061] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12049] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12049] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12062 attached => {parent_tid=[12062]}, 88) = 12062 [pid 12049] rt_sigprocmask(SIG_SETMASK, [], [pid 12062] set_robust_list(0x7fb9262379a0, 24 [pid 12049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12062] <... set_robust_list resumed>) = 0 [pid 12049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12062] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12062] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12062] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12049] <... futex resumed>) = 0 [pid 12062] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12062] <... bpf resumed>) = 0 [pid 12062] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12062] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12049] <... futex resumed>) = 0 [pid 12062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12049] <... futex resumed>) = 0 [pid 12062] <... bpf resumed>) = 6 [pid 12049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12062] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12062] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12049] <... futex resumed>) = 0 [pid 12049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12062] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12062] <... bpf resumed>) = 8 [pid 12062] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12049] <... futex resumed>) = 0 [pid 12062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12049] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12062] <... bpf resumed>) = 9 [pid 12049] <... futex resumed>) = 0 [pid 12062] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12049] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12062] <... futex resumed>) = 0 [pid 12049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12062] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12053] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12053] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12063]}, 88) = 12063 [pid 12053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12063 attached [pid 12063] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12063] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12063] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12063] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] <... futex resumed>) = 0 [pid 12053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12063] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12063] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12053] <... futex resumed>) = 0 [pid 12053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12063] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12063] <... bpf resumed>) = 6 [pid 12063] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12063] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] <... futex resumed>) = 0 [pid 12053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12053] <... futex resumed>) = 0 [pid 12053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12063] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12063] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12063] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12053] <... futex resumed>) = 0 [pid 12053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12063] <... futex resumed>) = 0 [pid 12053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12063] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 12063] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12053] <... futex resumed>) = 0 [pid 12053] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12053] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12063] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12063] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12053] <... futex resumed>) = 0 [ 168.790718][T12058] loop0: detected capacity change from 0 to 256 [ 168.800699][T12058] exfat: Bad value for 'uid' [pid 12063] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12058] <... ioctl resumed>) = 0 [pid 12045] <... sendmsg resumed>) = 64 [pid 12050] <... sendmsg resumed>) = 64 [pid 12058] close(3) = 0 [pid 12058] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12056] <... futex resumed>) = 0 [pid 12058] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12056] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12056] <... futex resumed>) = 0 [pid 12058] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12056] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12058] <... socket resumed>) = 3 [pid 12050] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12048] exit_group(0 [pid 12045] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12061] <... futex resumed>) = ? [pid 12058] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12048] <... exit_group resumed>) = ? [pid 12061] +++ exited with 0 +++ [pid 12058] <... futex resumed>) = 1 [pid 12056] <... futex resumed>) = 0 [pid 12050] <... futex resumed>) = ? [pid 12045] <... futex resumed>) = 0 [pid 12044] exit_group(0 [pid 12058] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12056] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12056] <... futex resumed>) = 0 [pid 12055] <... futex resumed>) = ? [pid 12050] +++ exited with 0 +++ [pid 12048] +++ exited with 0 +++ [pid 12044] <... exit_group resumed>) = ? [pid 12058] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12056] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12055] +++ exited with 0 +++ [pid 12058] <... socket resumed>) = 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12048, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12058] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12045] +++ exited with 0 +++ [pid 12044] +++ exited with 0 +++ [pid 12058] <... futex resumed>) = 1 [pid 12056] <... futex resumed>) = 0 [pid 12058] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12056] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12044, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12056] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12058] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12056] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... openat resumed>) = 3 [pid 12058] <... sendto resumed>) = 32 [pid 12058] recvfrom(4, [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 297] ioctl(3, LOOP_CLR_FD [pid 12058] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12056}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 299] <... openat resumed>) = 3 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 12058] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] close(3 [pid 12058] <... futex resumed>) = 1 [pid 12056] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 12058] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12056] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12056] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12058] getsockname(4, [pid 12056] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12064 [pid 12058] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12056, nl_groups=00000000}, [116 => 12]) = 0 [pid 12058] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12065 [pid 12058] <... futex resumed>) = 1 [pid 12056] <... futex resumed>) = 0 [pid 12058] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12056] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12056] <... futex resumed>) = 0 [pid 12058] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x18\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12056] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12065 attached ./strace-static-x86_64: Process 12064 attached [pid 12065] set_robust_list(0x5555555916a0, 24 [pid 12064] set_robust_list(0x5555555916a0, 24) = 0 [pid 12064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12064] setpgid(0, 0 [pid 12065] <... set_robust_list resumed>) = 0 [pid 12064] <... setpgid resumed>) = 0 [pid 12064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12064] write(3, "1000", 4 [pid 12065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12064] <... write resumed>) = 4 [pid 12065] <... prctl resumed>) = 0 [pid 12064] close(3 [pid 12065] setpgid(0, 0 [pid 12064] <... close resumed>) = 0 [pid 12065] <... setpgid resumed>) = 0 [pid 12064] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12064] <... futex resumed>) = 0 [pid 12065] <... openat resumed>) = 3 [pid 12064] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12065] write(3, "1000", 4 [pid 12064] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12065] <... write resumed>) = 4 [pid 12064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12065] close(3 [pid 12064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12065] <... close resumed>) = 0 [pid 12064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12065] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12065] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12064] <... mmap resumed>) = 0x7fb926238000 [pid 12065] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12064] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12065] <... mprotect resumed>) = 0 [pid 12064] <... mprotect resumed>) = 0 [pid 12065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12065] <... clone3 resumed> => {parent_tid=[12067]}, 88) = 12067 [pid 12065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12065] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12065] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12064] <... clone3 resumed> => {parent_tid=[12068]}, 88) = 12068 ./strace-static-x86_64: Process 12067 attached [pid 12067] set_robust_list(0x7fb9262589a0, 24 [pid 12064] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12068 attached [pid 12067] <... set_robust_list resumed>) = 0 [pid 12067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12067] memfd_create("syzkaller", 0 [pid 12064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12067] <... memfd_create resumed>) = 3 [pid 12067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12064] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] set_robust_list(0x7fb9262589a0, 24 [pid 12064] <... futex resumed>) = 0 [pid 12068] <... set_robust_list resumed>) = 0 [pid 12067] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12064] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12068] rt_sigprocmask(SIG_SETMASK, [], [pid 12067] <... write resumed>) = 131072 [pid 12068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12067] munmap(0x7fb91de38000, 138412032 [pid 12068] memfd_create("syzkaller", 0 [pid 12067] <... munmap resumed>) = 0 [pid 12067] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12067] ioctl(4, LOOP_SET_FD, 3 [pid 12068] <... memfd_create resumed>) = 3 [pid 12068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12067] <... ioctl resumed>) = 0 [pid 12067] close(3) = 0 [pid 12067] close(4 [pid 12068] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12067] <... close resumed>) = 0 [pid 12068] <... write resumed>) = 131072 [pid 12067] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12067] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12068] munmap(0x7fb91de38000, 138412032) = 0 [pid 12068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12068] ioctl(4, LOOP_SET_FD, 3 [pid 12067] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12067] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12067] ioctl(3, LOOP_CLR_FD [pid 12051] <... sendmsg resumed>) = 64 [pid 12051] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12049] exit_group(0 [pid 12068] <... ioctl resumed>) = 0 [pid 12062] <... futex resumed>) = ? [pid 12049] <... exit_group resumed>) = ? [pid 12068] close(3 [pid 12062] +++ exited with 0 +++ [pid 12051] <... futex resumed>) = ? [pid 12068] <... close resumed>) = 0 [pid 12068] close(4) = 0 [pid 12051] +++ exited with 0 +++ [pid 12068] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12067] <... ioctl resumed>) = 0 [pid 12068] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12067] close(3 [pid 12068] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 12068] ioctl(3, LOOP_CLR_FD [pid 12067] <... close resumed>) = 0 [pid 12056] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12056] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12056] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12067] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12067] <... futex resumed>) = 1 [pid 12065] <... futex resumed>) = 0 [pid 12056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12065] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12065] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12067] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12067] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] <... clone3 resumed> => {parent_tid=[12069]}, 88) = 12069 [pid 12065] <... futex resumed>) = 0 [pid 12056] rt_sigprocmask(SIG_SETMASK, [], [pid 12065] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12065] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12056] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12056] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12067] <... futex resumed>) = 1 [pid 12067] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE./strace-static-x86_64: Process 12069 attached ) = 4 [pid 12067] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] <... futex resumed>) = 0 [pid 12067] <... futex resumed>) = 1 [pid 12065] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12067] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12065] <... futex resumed>) = 0 [pid 12069] set_robust_list(0x7fb9262379a0, 24 [pid 12067] <... sendto resumed>) = 32 [pid 12065] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12067] recvfrom(4, [pid 12069] <... set_robust_list resumed>) = 0 [pid 12067] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12065}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12069] rt_sigprocmask(SIG_SETMASK, [], [pid 12067] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12065] <... futex resumed>) = 0 [pid 12067] getsockname(4, [pid 12065] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12067] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12065, nl_groups=00000000}, [116 => 12]) = 0 [pid 12065] <... futex resumed>) = 0 [pid 12067] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12067] <... futex resumed>) = 0 [pid 12065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12067] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x21\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12065] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12065] <... futex resumed>) = 0 [pid 12065] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12069] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12069] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12056] <... futex resumed>) = 0 [pid 12069] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12056] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12056] <... futex resumed>) = 0 [pid 12069] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12056] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12069] <... bpf resumed>) = 0 [pid 12069] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12056] <... futex resumed>) = 0 [pid 12069] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12056] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12056] <... futex resumed>) = 0 [pid 12069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12056] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12069] <... bpf resumed>) = 6 [pid 12069] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12056] <... futex resumed>) = 0 [pid 12056] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12056] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12049] +++ exited with 0 +++ [pid 12069] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12049, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12069] <... futex resumed>) = 1 [pid 12056] <... futex resumed>) = 0 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 12069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12056] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... restart_syscall resumed>) = 0 [pid 12069] <... bpf resumed>) = 8 [pid 12056] <... futex resumed>) = 0 [pid 12069] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12069] <... futex resumed>) = 0 [pid 12056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12056] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 12069] <... bpf resumed>) = 9 [pid 12056] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 12069] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12056] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12069] <... futex resumed>) = 0 [pid 12056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] close(3 [pid 12069] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12071 ./strace-static-x86_64: Process 12071 attached [pid 12071] set_robust_list(0x5555555916a0, 24) = 0 [pid 12071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12071] setpgid(0, 0) = 0 [pid 12071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12071] write(3, "1000", 4) = 4 [pid 12071] close(3) = 0 [pid 12071] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12071] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12071] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12072]}, 88) = 12072 [pid 12071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12071] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12071] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12072 attached [pid 12072] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12072] memfd_create("syzkaller", 0) = 3 [pid 12072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12072] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12072] munmap(0x7fb91de38000, 138412032) = 0 [pid 12072] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 168.901419][T12067] loop3: detected capacity change from 0 to 256 [ 168.912193][T12067] exfat: Bad value for 'uid' [ 168.914407][T12068] loop1: detected capacity change from 0 to 256 [ 168.928361][T12068] exfat: Bad value for 'uid' [pid 12072] ioctl(4, LOOP_SET_FD, 3 [pid 12054] <... sendmsg resumed>) = 64 [pid 12072] <... ioctl resumed>) = 0 [pid 12072] close(3 [pid 12068] <... ioctl resumed>) = 0 [pid 12072] <... close resumed>) = 0 [pid 12072] close(4) = 0 [pid 12072] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12072] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12068] close(3 [pid 12065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12054] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] <... close resumed>) = 0 [pid 12065] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12054] <... futex resumed>) = 0 [pid 12065] <... futex resumed>) = 0 [pid 12065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12065] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12053] exit_group(0 [pid 12068] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12063] <... futex resumed>) = ? [pid 12053] <... exit_group resumed>) = ? [pid 12072] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12068] <... futex resumed>) = 1 [pid 12064] <... futex resumed>) = 0 [pid 12063] +++ exited with 0 +++ [pid 12065] <... clone3 resumed> => {parent_tid=[12073]}, 88) = 12073 [pid 12065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12065] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12065] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12073 attached [pid 12073] set_robust_list(0x7fb9262379a0, 24 [pid 12064] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12064] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12068] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12073] <... set_robust_list resumed>) = 0 [pid 12073] rt_sigprocmask(SIG_SETMASK, [], [pid 12068] <... socket resumed>) = 3 [pid 12068] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12064] <... futex resumed>) = 0 [pid 12068] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12064] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12064] <... futex resumed>) = 0 [pid 12068] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12064] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12068] <... socket resumed>) = 4 [pid 12068] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12064] <... futex resumed>) = 0 [pid 12073] <... bpf resumed>) = 5 [pid 12064] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12064] <... futex resumed>) = 0 [pid 12073] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12072] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12064] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12068] <... sendto resumed>) = 32 [pid 12073] <... futex resumed>) = 1 [pid 12072] <... openat resumed>) = 3 [pid 12068] recvfrom(4, [pid 12065] <... futex resumed>) = 0 [pid 12068] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12064}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12065] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12073] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12072] ioctl(3, LOOP_CLR_FD [pid 12068] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] <... futex resumed>) = 0 [pid 12068] <... futex resumed>) = 1 [pid 12065] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12064] <... futex resumed>) = 0 [pid 12068] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12073] <... bpf resumed>) = 0 [pid 12073] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] <... futex resumed>) = 0 [pid 12064] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12065] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] <... futex resumed>) = 0 [pid 12068] getsockname(4, [pid 12065] <... futex resumed>) = 0 [pid 12064] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12068] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12064, nl_groups=00000000}, [116 => 12]) = 0 [pid 12065] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12068] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12073] <... futex resumed>) = 1 [pid 12068] <... futex resumed>) = 1 [pid 12064] <... futex resumed>) = 0 [pid 12068] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12064] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12064] <... futex resumed>) = 0 [pid 12068] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x20\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12064] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12073] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12065] <... futex resumed>) = 0 [pid 12065] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12065] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12073] <... futex resumed>) = 1 [pid 12073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12054] +++ exited with 0 +++ [pid 12053] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12073] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... openat resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12075 [pid 12073] <... futex resumed>) = 1 [pid 12065] <... futex resumed>) = 0 [pid 12073] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12065] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12065] <... futex resumed>) = 0 [pid 12073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12065] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12073] <... bpf resumed>) = 8 [pid 12073] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12065] <... futex resumed>) = 0 [pid 12073] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12065] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12065] <... futex resumed>) = 0 [pid 12073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12065] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12073] <... bpf resumed>) = 9 [pid 12073] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12065] <... futex resumed>) = 0 [pid 12073] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12075 attached [pid 12075] set_robust_list(0x5555555916a0, 24) = 0 [pid 12075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12075] setpgid(0, 0) = 0 [pid 12075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12075] write(3, "1000", 4) = 4 [pid 12075] close(3) = 0 [pid 12075] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12075] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12075] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12075] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12072] <... ioctl resumed>) = 0 [pid 12075] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12058] <... sendmsg resumed>) = 64 [pid 12075] <... clone3 resumed> => {parent_tid=[12076]}, 88) = 12076 [pid 12075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12075] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12075] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12058] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12072] close(3./strace-static-x86_64: Process 12076 attached [pid 12076] set_robust_list(0x7fb9262589a0, 24 [pid 12056] exit_group(0 [pid 12072] <... close resumed>) = 0 [pid 12058] <... futex resumed>) = 0 [pid 12076] <... set_robust_list resumed>) = 0 [pid 12076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12058] read(0, [pid 12056] <... exit_group resumed>) = ? [pid 12072] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12069] <... futex resumed>) = ? [ 168.974487][T12072] loop4: detected capacity change from 0 to 256 [ 168.995317][T12072] exfat: Bad value for 'uid' [pid 12058] +++ exited with 0 +++ [pid 12072] <... futex resumed>) = 1 [pid 12071] <... futex resumed>) = 0 [pid 12072] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12071] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12072] <... socket resumed>) = 3 [pid 12071] <... futex resumed>) = 0 [pid 12064] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12072] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12064] <... futex resumed>) = 0 [pid 12072] <... futex resumed>) = 0 [pid 12071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12072] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12071] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12071] <... futex resumed>) = 0 [pid 12064] <... mmap resumed>) = 0x7fb926217000 [pid 12072] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12071] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12064] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12072] <... socket resumed>) = 4 [pid 12064] <... mprotect resumed>) = 0 [pid 12076] memfd_create("syzkaller", 0 [pid 12072] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12072] <... futex resumed>) = 1 [pid 12071] <... futex resumed>) = 0 [pid 12064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12072] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12071] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12077 attached [pid 12076] <... memfd_create resumed>) = 3 [pid 12072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12071] <... futex resumed>) = 0 [pid 12072] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12064] <... clone3 resumed> => {parent_tid=[12077]}, 88) = 12077 [pid 12077] set_robust_list(0x7fb9262379a0, 24 [pid 12076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12072] <... sendto resumed>) = 32 [pid 12071] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12064] rt_sigprocmask(SIG_SETMASK, [], [pid 12072] recvfrom(4, [pid 12064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12072] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12071}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12064] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12077] <... set_robust_list resumed>) = 0 [pid 12076] <... mmap resumed>) = 0x7fb91de38000 [pid 12072] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] <... futex resumed>) = 0 [pid 12072] <... futex resumed>) = 1 [pid 12064] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12077] rt_sigprocmask(SIG_SETMASK, [], [pid 12072] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12071] <... futex resumed>) = 0 [pid 12077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12071] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12072] <... futex resumed>) = 0 [pid 12071] <... futex resumed>) = 1 [pid 12077] <... bpf resumed>) = 5 [pid 12076] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12072] getsockname(4, [pid 12077] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12072] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12071, nl_groups=00000000}, [116 => 12]) = 0 [pid 12071] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12077] <... futex resumed>) = 1 [pid 12076] <... write resumed>) = 131072 [pid 12072] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12064] <... futex resumed>) = 0 [pid 12077] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12076] munmap(0x7fb91de38000, 138412032 [pid 12072] <... futex resumed>) = 0 [pid 12071] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12072] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x27\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12071] <... futex resumed>) = 0 [pid 12064] <... futex resumed>) = 0 [pid 12077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12071] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12064] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12077] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12076] <... munmap resumed>) = 0 [pid 12077] <... bpf resumed>) = 0 [pid 12077] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12064] <... futex resumed>) = 0 [pid 12064] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12064] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12077] <... futex resumed>) = 1 [pid 12077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12077] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12077] <... futex resumed>) = 1 [pid 12076] <... openat resumed>) = 4 [pid 12064] <... futex resumed>) = 0 [pid 12064] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12064] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12076] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12069] +++ exited with 0 +++ [pid 12056] +++ exited with 0 +++ [pid 12077] <... bpf resumed>) = 7 [pid 12076] close(3 [pid 12077] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12056, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12077] <... futex resumed>) = 1 [pid 12076] <... close resumed>) = 0 [pid 12064] <... futex resumed>) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 12077] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12076] close(4 [pid 12064] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12064] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12067] <... sendmsg resumed>) = 64 [pid 12064] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12079 attached [pid 12077] <... bpf resumed>) = 8 [pid 12076] <... close resumed>) = 0 [pid 12067] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] set_robust_list(0x5555555916a0, 24 [pid 12077] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] mkdir("./file0", 0777 [pid 12067] <... futex resumed>) = 0 [pid 12079] <... set_robust_list resumed>) = 0 [pid 12077] <... futex resumed>) = 1 [pid 12076] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12067] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12064] <... futex resumed>) = 0 [pid 12079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12077] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12076] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12064] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] <... prctl resumed>) = 0 [pid 12077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12079 [pid 12065] exit_group(0 [pid 12073] <... futex resumed>) = ? [pid 12065] <... exit_group resumed>) = ? [pid 12073] +++ exited with 0 +++ [pid 12064] <... futex resumed>) = 0 [pid 12064] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12079] setpgid(0, 0 [pid 12077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12079] <... setpgid resumed>) = 0 [pid 12077] <... bpf resumed>) = 9 [pid 12067] <... futex resumed>) = ? [pid 12077] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12077] <... futex resumed>) = 1 [pid 12064] <... futex resumed>) = 0 [pid 12077] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12076] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12076] ioctl(3, LOOP_CLR_FD [pid 12079] <... openat resumed>) = 3 [pid 12079] write(3, "1000", 4) = 4 [pid 12079] close(3) = 0 [pid 12079] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12079] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12079] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12080 attached => {parent_tid=[12080]}, 88) = 12080 [pid 12079] rt_sigprocmask(SIG_SETMASK, [], [pid 12080] set_robust_list(0x7fb9262589a0, 24 [pid 12079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12080] <... set_robust_list resumed>) = 0 [pid 12079] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12080] rt_sigprocmask(SIG_SETMASK, [], [pid 12079] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12080] memfd_create("syzkaller", 0) = 3 [pid 12080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12080] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12080] munmap(0x7fb91de38000, 138412032) = 0 [pid 12080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12080] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12080] close(3) = 0 [pid 12080] close(4) = 0 [pid 12080] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12080] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12071] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12071] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12071] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12081]}, 88) = 12081 [pid 12071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12071] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12071] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12081 attached [pid 12081] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12081] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] <... sendmsg resumed>) = 64 [pid 12071] <... futex resumed>) = 0 [pid 12071] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12068] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] <... futex resumed>) = 0 [pid 12071] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12068] <... futex resumed>) = 0 [pid 12068] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12081] <... futex resumed>) = 1 [pid 12081] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12081] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] <... futex resumed>) = 0 [pid 12071] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12071] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12064] exit_group(0 [pid 12081] <... futex resumed>) = 1 [pid 12081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12077] <... futex resumed>) = ? [pid 12068] <... futex resumed>) = ? [pid 12064] <... exit_group resumed>) = ? [pid 12077] +++ exited with 0 +++ [pid 12068] +++ exited with 0 +++ [pid 12080] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12081] <... bpf resumed>) = 6 [pid 12081] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] <... futex resumed>) = 0 [pid 12071] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12071] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12081] <... futex resumed>) = 1 [pid 12080] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12080] <... openat resumed>) = 3 [pid 12080] ioctl(3, LOOP_CLR_FD [pid 12076] <... ioctl resumed>) = 0 [pid 12076] close(3) = 0 [pid 12076] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12076] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12075] <... futex resumed>) = 0 [pid 12075] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] <... futex resumed>) = 0 [pid 12075] <... futex resumed>) = 1 [pid 12075] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12076] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12076] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12075] <... futex resumed>) = 0 [pid 12076] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 12075] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12075] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12076] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12076] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12075] <... futex resumed>) = 0 [pid 12076] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12075] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12075] <... futex resumed>) = 0 [pid 12076] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12075] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12076] <... sendto resumed>) = 32 [pid 12076] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12075}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12076] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12075] <... futex resumed>) = 0 [pid 12075] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] getsockname(4, [pid 12075] <... futex resumed>) = 0 [pid 12076] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12075, nl_groups=00000000}, [116 => 12]) = 0 [pid 12075] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12076] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12076] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12075] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12075] <... futex resumed>) = 0 [pid 12076] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2b\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12075] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12067] +++ exited with 0 +++ [pid 12065] +++ exited with 0 +++ [pid 12064] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12065, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 297] <... restart_syscall resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 299] close(3 [pid 297] <... openat resumed>) = 3 [pid 299] <... close resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12083 attached [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3 [pid 12083] set_robust_list(0x5555555916a0, 24 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12083 [pid 297] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12083] <... set_robust_list resumed>) = 0 [pid 12083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12083] setpgid(0, 0) = 0 [pid 12083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12084 [pid 12083] <... openat resumed>) = 3 [pid 12083] write(3, "1000", 4) = 4 [pid 12083] close(3) = 0 [pid 12083] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12083] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12083] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12085]}, 88) = 12085 [pid 12083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12084 attached [pid 12084] set_robust_list(0x5555555916a0, 24) = 0 [pid 12084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12084] setpgid(0, 0) = 0 [pid 12084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 12085 attached ) = 3 [pid 12085] set_robust_list(0x7fb9262589a0, 24 [pid 12084] write(3, "1000", 4) = 4 [pid 12085] <... set_robust_list resumed>) = 0 [pid 12084] close(3) = 0 [pid 12084] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12084] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12084] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12085] rt_sigprocmask(SIG_SETMASK, [], [pid 12084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12085] memfd_create("syzkaller", 0) = 3 [pid 12084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12085] <... mmap resumed>) = 0x7fb91de38000 [pid 12084] <... clone3 resumed> => {parent_tid=[12086]}, 88) = 12086 [pid 12084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12084] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12084] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12086 attached [pid 12086] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12086] memfd_create("syzkaller", 0) = 3 [pid 12086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12085] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12085] munmap(0x7fb91de38000, 138412032 [ 169.075588][T12076] loop2: detected capacity change from 0 to 256 [ 169.092041][T12076] exfat: Bad value for 'uid' [ 169.105380][T12080] loop0: detected capacity change from 0 to 256 [ 169.113961][T12080] exfat: Bad value for 'uid' [pid 12086] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12081] <... bpf resumed>) = 7 [pid 12081] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12071] <... futex resumed>) = 0 [pid 12080] <... ioctl resumed>) = 0 [pid 12071] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12071] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 12081] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] <... futex resumed>) = 0 [pid 12071] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12071] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12080] close(3 [pid 12081] <... futex resumed>) = 1 [pid 12081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12081] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] <... futex resumed>) = 0 [pid 12081] <... futex resumed>) = 1 [pid 12081] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12080] <... close resumed>) = 0 [pid 12086] <... write resumed>) = 131072 [pid 12086] munmap(0x7fb91de38000, 138412032) = 0 [pid 12086] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12086] ioctl(4, LOOP_SET_FD, 3 [pid 12085] <... munmap resumed>) = 0 [pid 12080] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12080] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12079] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12080] <... socket resumed>) = 3 [pid 12079] <... futex resumed>) = 0 [pid 12080] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12080] <... futex resumed>) = 0 [pid 12080] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12079] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12080] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12079] <... futex resumed>) = 0 [pid 12080] <... socket resumed>) = 4 [pid 12079] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12080] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12080] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12079] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12080] <... sendto resumed>) = 32 [pid 12079] <... futex resumed>) = 0 [pid 12080] recvfrom(4, [pid 12079] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12080] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12079}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12080] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12080] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12079] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12079] <... futex resumed>) = 0 [pid 12080] getsockname(4, [pid 12079] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12080] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12079, nl_groups=00000000}, [116 => 12]) = 0 [pid 12080] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12080] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12079] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12079] <... futex resumed>) = 0 [pid 12080] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2f\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12079] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12086] <... ioctl resumed>) = 0 [pid 12085] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12086] close(3 [pid 12085] <... openat resumed>) = 4 [pid 12086] <... close resumed>) = 0 [pid 12086] close(4 [pid 12085] ioctl(4, LOOP_SET_FD, 3 [pid 12086] <... close resumed>) = 0 [pid 12072] <... sendmsg resumed>) = 64 [pid 12086] mkdir("./file0", 0777 [pid 12085] <... ioctl resumed>) = 0 [pid 12072] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12071] exit_group(0 [pid 12086] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12085] close(3 [pid 12071] <... exit_group resumed>) = ? [pid 12081] <... futex resumed>) = ? [pid 12072] <... futex resumed>) = ? [pid 12086] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12081] +++ exited with 0 +++ [pid 12085] <... close resumed>) = 0 [pid 12085] close(4) = 0 [pid 12085] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12085] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12075] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12075] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12088]}, 88) = 12088 [pid 12075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12075] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12075] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12086] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 12088 attached [pid 12072] +++ exited with 0 +++ [pid 12086] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12085] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12071] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12071, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 12088] set_robust_list(0x7fb9262379a0, 24 [pid 12086] <... openat resumed>) = 3 [pid 12085] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12086] ioctl(3, LOOP_CLR_FD [pid 300] <... restart_syscall resumed>) = 0 [pid 12085] <... openat resumed>) = 3 [pid 12085] ioctl(3, LOOP_CLR_FD [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12088] <... set_robust_list resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 12088] rt_sigprocmask(SIG_SETMASK, [], [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] close(3 [pid 12088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 300] <... close resumed>) = 0 [pid 12088] <... bpf resumed>) = 5 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12088] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12075] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12089 [pid 12088] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12075] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12088] <... bpf resumed>) = 0 [pid 12075] <... futex resumed>) = 0 [pid 12088] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12075] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12088] <... futex resumed>) = 0 [pid 12075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12075] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12088] <... bpf resumed>) = 6 [pid 12075] <... futex resumed>) = 0 [pid 12088] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12075] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12088] <... futex resumed>) = 0 [pid 12075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12075] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12088] <... bpf resumed>) = 7 [pid 12075] <... futex resumed>) = 0 [pid 12088] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12075] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12088] <... futex resumed>) = 0 [pid 12075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12075] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12088] <... bpf resumed>) = 8 [pid 12075] <... futex resumed>) = 0 [pid 12088] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12075] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12089 attached ) = -1 EAGAIN (Resource temporarily unavailable) [pid 12089] set_robust_list(0x5555555916a0, 24 [pid 12075] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12089] <... set_robust_list resumed>) = 0 [pid 12075] <... futex resumed>) = 0 [pid 12089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12088] <... futex resumed>) = 0 [pid 12075] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12089] <... prctl resumed>) = 0 [pid 12088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12089] setpgid(0, 0 [pid 12088] <... bpf resumed>) = 9 [pid 12089] <... setpgid resumed>) = 0 [pid 12088] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12088] <... futex resumed>) = 1 [pid 12075] <... futex resumed>) = 0 [pid 12089] <... openat resumed>) = 3 [pid 12088] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] write(3, "1000", 4) = 4 [pid 12089] close(3) = 0 [pid 12089] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12089] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12089] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12090 attached [pid 12090] set_robust_list(0x7fb9262589a0, 24 [pid 12089] <... clone3 resumed> => {parent_tid=[12090]}, 88) = 12090 [pid 12090] <... set_robust_list resumed>) = 0 [pid 12090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12090] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12089] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] <... futex resumed>) = 0 [pid 12089] <... futex resumed>) = 1 [pid 12089] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12090] memfd_create("syzkaller", 0) = 3 [pid 12090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12090] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12090] munmap(0x7fb91de38000, 138412032) = 0 [pid 12090] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 169.163111][T12086] loop1: detected capacity change from 0 to 256 [ 169.172028][T12085] loop3: detected capacity change from 0 to 256 [ 169.184147][T12085] exfat: Bad value for 'uid' [ 169.188792][T12086] exfat: Bad value for 'uid' [pid 12090] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12090] close(3) = 0 [pid 12090] close(4) = 0 [pid 12079] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] mkdir("./file0", 0777 [pid 12079] <... futex resumed>) = 0 [pid 12090] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12090] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12079] <... mmap resumed>) = 0x7fb926217000 [pid 12079] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12090] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12090] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12079] <... mprotect resumed>) = 0 [pid 12079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12090] <... openat resumed>) = 3 [pid 12090] ioctl(3, LOOP_CLR_FD [pid 12079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12091 attached => {parent_tid=[12091]}, 88) = 12091 [pid 12091] set_robust_list(0x7fb9262379a0, 24 [pid 12079] rt_sigprocmask(SIG_SETMASK, [], [pid 12091] <... set_robust_list resumed>) = 0 [pid 12079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12079] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12091] rt_sigprocmask(SIG_SETMASK, [], [pid 12079] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12091] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12079] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12091] <... bpf resumed>) = 0 [pid 12079] <... futex resumed>) = 0 [pid 12091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12091] <... futex resumed>) = 0 [pid 12079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12079] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12091] <... bpf resumed>) = 6 [pid 12079] <... futex resumed>) = 0 [pid 12091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12091] <... futex resumed>) = 0 [pid 12079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12079] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12091] <... bpf resumed>) = 7 [pid 12079] <... futex resumed>) = 0 [pid 12091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12091] <... futex resumed>) = 0 [pid 12079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12079] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12079] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12091] <... bpf resumed>) = 8 [pid 12091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12079] <... futex resumed>) = 0 [pid 12079] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12079] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12091] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12079] <... futex resumed>) = 0 [pid 12091] <... futex resumed>) = 1 [pid 12091] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12090] <... ioctl resumed>) = 0 [pid 12086] <... ioctl resumed>) = 0 [pid 12085] <... ioctl resumed>) = 0 [pid 12090] close(3 [pid 12086] close(3 [pid 12085] close(3 [pid 12090] <... close resumed>) = 0 [pid 12086] <... close resumed>) = 0 [pid 12085] <... close resumed>) = 0 [pid 12090] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12085] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12086] <... futex resumed>) = 1 [pid 12085] <... futex resumed>) = 1 [pid 12083] <... futex resumed>) = 0 [pid 12090] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12085] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12084] <... futex resumed>) = 0 [pid 12083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12089] <... futex resumed>) = 0 [pid 12085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12083] <... futex resumed>) = 0 [pid 12090] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12089] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12085] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12090] <... socket resumed>) = 3 [pid 12085] <... socket resumed>) = 3 [pid 12084] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... futex resumed>) = 0 [pid 12085] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] <... futex resumed>) = 1 [pid 12090] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12086] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12085] <... futex resumed>) = 1 [pid 12084] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12083] <... futex resumed>) = 0 [pid 12090] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... socket resumed>) = 3 [pid 12085] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12089] <... futex resumed>) = 0 [pid 12086] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12083] <... futex resumed>) = 0 [pid 12090] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12089] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12086] <... futex resumed>) = 1 [pid 12085] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12084] <... futex resumed>) = 0 [pid 12083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12090] <... socket resumed>) = 4 [pid 12086] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12085] <... socket resumed>) = 4 [pid 12084] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12085] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] <... futex resumed>) = 0 [pid 12090] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12086] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12085] <... futex resumed>) = 1 [pid 12084] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12083] <... futex resumed>) = 0 [pid 12090] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... socket resumed>) = 4 [pid 12085] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12089] <... futex resumed>) = 0 [pid 12086] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12083] <... futex resumed>) = 0 [pid 12090] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12089] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12086] <... futex resumed>) = 1 [pid 12085] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12084] <... futex resumed>) = 0 [pid 12083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12090] <... sendto resumed>) = 32 [pid 12086] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12085] <... sendto resumed>) = 32 [pid 12084] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] recvfrom(4, [pid 12086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12085] recvfrom(4, [pid 12084] <... futex resumed>) = 0 [pid 12090] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12089}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12086] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12085] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12083}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12084] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12090] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... sendto resumed>) = 32 [pid 12085] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12086] recvfrom(4, [pid 12085] <... futex resumed>) = 1 [pid 12083] <... futex resumed>) = 0 [pid 12090] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12084}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12085] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12089] <... futex resumed>) = 0 [pid 12086] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12083] <... futex resumed>) = 0 [pid 12090] getsockname(4, [pid 12089] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12086] <... futex resumed>) = 1 [pid 12085] getsockname(4, [pid 12084] <... futex resumed>) = 0 [pid 12083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12090] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12089, nl_groups=00000000}, [116 => 12]) = 0 [pid 12086] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12085] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12083, nl_groups=00000000}, [116 => 12]) = 0 [pid 12084] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12085] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] <... futex resumed>) = 0 [pid 12090] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12086] getsockname(4, [pid 12085] <... futex resumed>) = 1 [pid 12084] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12083] <... futex resumed>) = 0 [pid 12090] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12084, nl_groups=00000000}, [116 => 12]) = 0 [pid 12085] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12083] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12089] <... futex resumed>) = 0 [pid 12086] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12083] <... futex resumed>) = 0 [pid 12090] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x39\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12089] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12086] <... futex resumed>) = 1 [pid 12085] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x33\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12084] <... futex resumed>) = 0 [pid 12083] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12086] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 12084] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12086] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x34\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12084] <... futex resumed>) = 0 [ 169.215171][T12090] loop4: detected capacity change from 0 to 256 [ 169.222439][T12090] exfat: Bad value for 'uid' [pid 12084] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12076] <... sendmsg resumed>) = 64 [pid 12076] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12075] exit_group(0 [pid 12088] <... futex resumed>) = ? [pid 12076] <... futex resumed>) = ? [pid 12075] <... exit_group resumed>) = ? [pid 12088] +++ exited with 0 +++ [pid 12076] +++ exited with 0 +++ [pid 12089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12089] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12089] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12095 attached => {parent_tid=[12095]}, 88) = 12095 [pid 12083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12095] set_robust_list(0x7fb9262379a0, 24 [pid 12089] rt_sigprocmask(SIG_SETMASK, [], [pid 12083] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12083] <... futex resumed>) = 0 [pid 12095] <... set_robust_list resumed>) = 0 [pid 12089] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12095] rt_sigprocmask(SIG_SETMASK, [], [pid 12089] <... futex resumed>) = 0 [pid 12083] <... mmap resumed>) = 0x7fb926217000 [pid 12095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12089] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12083] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12083] <... mprotect resumed>) = 0 [pid 12095] <... bpf resumed>) = 5 [pid 12095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12096 attached [pid 12095] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12083] <... clone3 resumed> => {parent_tid=[12096]}, 88) = 12096 [pid 12089] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12089] <... futex resumed>) = 0 [pid 12084] <... futex resumed>) = 0 [pid 12095] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12089] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12096] set_robust_list(0x7fb9262379a0, 24 [pid 12095] <... bpf resumed>) = 0 [pid 12084] <... mmap resumed>) = 0x7fb926217000 [pid 12096] <... set_robust_list resumed>) = 0 [pid 12096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12084] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12084] <... mprotect resumed>) = 0 [pid 12096] <... bpf resumed>) = 5 [pid 12096] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12083] <... futex resumed>) = 0 [pid 12096] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12083] <... futex resumed>) = 0 [pid 12096] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12096] <... bpf resumed>) = 0 [pid 12095] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12096] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12089] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12096] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12083] <... futex resumed>) = 0 [pid 12084] <... clone3 resumed> => {parent_tid=[12097]}, 88) = 12097 ./strace-static-x86_64: Process 12097 attached [pid 12096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12095] <... bpf resumed>) = 6 [pid 12089] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] rt_sigprocmask(SIG_SETMASK, [], [pid 12097] set_robust_list(0x7fb9262379a0, 24 [pid 12096] <... bpf resumed>) = 6 [pid 12095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12083] <... futex resumed>) = 0 [pid 12096] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12095] <... futex resumed>) = 0 [pid 12089] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12096] <... futex resumed>) = 0 [pid 12095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12089] <... futex resumed>) = 0 [pid 12084] <... futex resumed>) = 0 [pid 12083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12096] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12084] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] <... set_robust_list resumed>) = 0 [pid 12096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12095] <... bpf resumed>) = 7 [pid 12083] <... futex resumed>) = 0 [pid 12080] <... sendmsg resumed>) = 64 [pid 12075] +++ exited with 0 +++ [pid 12096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12080] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12075, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12097] rt_sigprocmask(SIG_SETMASK, [], [pid 12096] <... bpf resumed>) = 7 [pid 12095] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12080] <... futex resumed>) = 0 [pid 12096] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12095] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12089] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12080] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12096] <... futex resumed>) = 1 [pid 12095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12089] <... futex resumed>) = 0 [pid 12083] <... futex resumed>) = 0 [pid 12096] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12089] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12095] <... bpf resumed>) = 8 [pid 12083] <... futex resumed>) = 0 [pid 12096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12079] exit_group(0 [pid 298] <... openat resumed>) = 3 [pid 12097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] ioctl(3, LOOP_CLR_FD [pid 12097] <... bpf resumed>) = 5 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12096] <... bpf resumed>) = 8 [pid 12095] <... futex resumed>) = 1 [pid 12091] <... futex resumed>) = ? [pid 12089] <... futex resumed>) = 0 [pid 12080] <... futex resumed>) = ? [pid 12079] <... exit_group resumed>) = ? [pid 298] close(3 [pid 12097] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12096] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12095] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12091] +++ exited with 0 +++ [pid 12089] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12080] +++ exited with 0 +++ [pid 12079] +++ exited with 0 +++ [pid 298] <... close resumed>) = 0 [pid 12096] <... futex resumed>) = 1 [pid 12095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12089] <... futex resumed>) = 0 [pid 12083] <... futex resumed>) = 0 [pid 12096] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12089] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12083] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12079, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12083] <... futex resumed>) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 12096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12083] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12097] <... futex resumed>) = 1 [pid 12084] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12084] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 294] <... restart_syscall resumed>) = 0 [pid 12097] <... bpf resumed>) = 0 [pid 12084] <... futex resumed>) = 0 [pid 12097] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12097] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12097] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12099 [pid 12084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12098 [pid 12084] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] <... futex resumed>) = 0 [pid 12084] <... futex resumed>) = 1 [pid 12097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12084] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12099 attached ./strace-static-x86_64: Process 12098 attached [pid 12099] set_robust_list(0x5555555916a0, 24 [pid 12098] set_robust_list(0x5555555916a0, 24 [pid 12099] <... set_robust_list resumed>) = 0 [pid 12098] <... set_robust_list resumed>) = 0 [pid 12099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12099] <... prctl resumed>) = 0 [pid 12098] <... prctl resumed>) = 0 [pid 12099] setpgid(0, 0 [pid 12098] setpgid(0, 0 [pid 12099] <... setpgid resumed>) = 0 [pid 12098] <... setpgid resumed>) = 0 [pid 12099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12099] <... openat resumed>) = 3 [pid 12098] <... openat resumed>) = 3 [pid 12099] write(3, "1000", 4 [pid 12098] write(3, "1000", 4 [pid 12099] <... write resumed>) = 4 [pid 12098] <... write resumed>) = 4 [pid 12099] close(3 [pid 12098] close(3 [pid 12099] <... close resumed>) = 0 [pid 12098] <... close resumed>) = 0 [pid 12099] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 12099] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12098] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12098] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12099] <... mmap resumed>) = 0x7fb926238000 [pid 12098] <... mmap resumed>) = 0x7fb926238000 [pid 12099] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12098] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12099] <... mprotect resumed>) = 0 [pid 12098] <... mprotect resumed>) = 0 [pid 12099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12099] <... clone3 resumed> => {parent_tid=[12101]}, 88) = 12101 [pid 12098] <... clone3 resumed> => {parent_tid=[12100]}, 88) = 12100 [pid 12099] rt_sigprocmask(SIG_SETMASK, [], [pid 12098] rt_sigprocmask(SIG_SETMASK, [], [pid 12099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12099] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 12099] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12098] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12097] <... bpf resumed>) = 6 [pid 12097] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12084] <... futex resumed>) = 0 [pid 12097] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12084] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12100 attached [pid 12097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12084] <... futex resumed>) = 0 [pid 12100] set_robust_list(0x7fb9262589a0, 24 [pid 12097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12084] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12100] <... set_robust_list resumed>) = 0 [pid 12100] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12101 attached NULL, 8) = 0 [pid 12097] <... bpf resumed>) = 7 [pid 12096] <... bpf resumed>) = 9 [pid 12095] <... bpf resumed>) = 9 [pid 12101] set_robust_list(0x7fb9262589a0, 24 [pid 12100] memfd_create("syzkaller", 0 [pid 12097] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12096] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12095] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] <... set_robust_list resumed>) = 0 [pid 12097] <... futex resumed>) = 1 [pid 12096] <... futex resumed>) = 1 [pid 12095] <... futex resumed>) = 1 [pid 12089] <... futex resumed>) = 0 [pid 12084] <... futex resumed>) = 0 [pid 12083] <... futex resumed>) = 0 [pid 12100] <... memfd_create resumed>) = 3 [pid 12101] rt_sigprocmask(SIG_SETMASK, [], [pid 12100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12097] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12096] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12095] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12084] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12100] <... mmap resumed>) = 0x7fb91de38000 [pid 12084] <... futex resumed>) = 0 [pid 12097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12084] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12101] memfd_create("syzkaller", 0 [pid 12100] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12097] <... bpf resumed>) = 8 [pid 12101] <... memfd_create resumed>) = 3 [pid 12097] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12100] <... write resumed>) = 131072 [pid 12097] <... futex resumed>) = 1 [pid 12084] <... futex resumed>) = 0 [pid 12101] <... mmap resumed>) = 0x7fb91de38000 [pid 12100] munmap(0x7fb91de38000, 138412032 [pid 12097] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12084] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] <... munmap resumed>) = 0 [pid 12097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12084] <... futex resumed>) = 0 [pid 12100] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12084] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12100] <... openat resumed>) = 4 [pid 12097] <... bpf resumed>) = 9 [pid 12100] ioctl(4, LOOP_SET_FD, 3 [pid 12097] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12097] <... futex resumed>) = 1 [pid 12084] <... futex resumed>) = 0 [pid 12101] <... write resumed>) = 131072 [pid 12097] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12101] munmap(0x7fb91de38000, 138412032) = 0 [pid 12101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12101] ioctl(4, LOOP_SET_FD, 3 [pid 12100] <... ioctl resumed>) = 0 [pid 12100] close(3) = 0 [pid 12100] close(4) = 0 [pid 12100] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12100] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12090] <... sendmsg resumed>) = 64 [pid 12100] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12101] <... ioctl resumed>) = 0 [pid 12100] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12090] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12090] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12101] close(3 [pid 12089] exit_group(0 [pid 12100] <... openat resumed>) = 3 [pid 12095] <... futex resumed>) = ? [pid 12090] <... futex resumed>) = ? [pid 12089] <... exit_group resumed>) = ? [pid 12101] <... close resumed>) = 0 [pid 12100] ioctl(3, LOOP_CLR_FD [pid 12095] +++ exited with 0 +++ [pid 12090] +++ exited with 0 +++ [pid 12101] close(4) = 0 [pid 12089] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12089, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12101] mkdir("./file0", 0777 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12102 [pid 12101] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12101] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 12102 attached [pid 12102] set_robust_list(0x5555555916a0, 24) = 0 [pid 12102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12102] setpgid(0, 0) = 0 [pid 12102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12102] write(3, "1000", 4) = 4 [pid 12102] close(3) = 0 [pid 12102] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12102] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12102] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12103]}, 88) = 12103 [pid 12102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12103 attached [pid 12103] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12101] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12103] memfd_create("syzkaller", 0 [pid 12101] ioctl(3, LOOP_CLR_FD [pid 12103] <... memfd_create resumed>) = 3 [pid 12103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12103] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12103] munmap(0x7fb91de38000, 138412032) = 0 [pid 12103] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 12103] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12103] close(3) = 0 [pid 12103] close(4) = 0 [pid 12103] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 169.365049][T12100] loop2: detected capacity change from 0 to 256 [ 169.370054][T12101] loop0: detected capacity change from 0 to 256 [ 169.376861][T12100] exfat: Bad value for 'uid' [ 169.392696][T12101] exfat: Bad value for 'uid' [ 169.403210][T12103] loop4: detected capacity change from 0 to 256 [pid 12103] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12103] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12103] ioctl(3, LOOP_CLR_FD [pid 12101] <... ioctl resumed>) = 0 [pid 12100] <... ioctl resumed>) = 0 [pid 12086] <... sendmsg resumed>) = 64 [pid 12101] close(3 [pid 12100] close(3 [pid 12086] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12084] exit_group(0 [pid 12101] <... close resumed>) = 0 [pid 12100] <... close resumed>) = 0 [pid 12086] <... futex resumed>) = 0 [pid 12101] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12097] <... futex resumed>) = ? [pid 12086] +++ exited with 0 +++ [pid 12084] <... exit_group resumed>) = ? [pid 12101] <... futex resumed>) = 1 [pid 12100] <... futex resumed>) = 1 [pid 12099] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 12097] +++ exited with 0 +++ [pid 12100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12099] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12100] <... futex resumed>) = 0 [pid 12099] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 1 [pid 12101] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12099] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12101] <... futex resumed>) = 0 [pid 12100] <... socket resumed>) = 3 [pid 12099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12084] +++ exited with 0 +++ [pid 12101] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12100] <... futex resumed>) = 1 [pid 12099] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12084, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12101] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12099] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 12103] <... ioctl resumed>) = 0 [pid 12101] <... socket resumed>) = 4 [pid 12100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12098] <... futex resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 12103] close(3 [pid 12101] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12098] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12103] <... close resumed>) = 0 [pid 12101] <... futex resumed>) = 1 [pid 12100] <... socket resumed>) = 4 [pid 12099] <... futex resumed>) = 0 [pid 12103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12103] <... futex resumed>) = 1 [pid 12102] <... futex resumed>) = 0 [pid 12101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12100] <... futex resumed>) = 1 [pid 12099] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 12103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12099] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 12103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12102] <... futex resumed>) = 0 [pid 12101] <... sendto resumed>) = 32 [pid 12100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12098] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12103] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12101] recvfrom(4, [pid 12100] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12098] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] close(3 [pid 12103] <... socket resumed>) = 3 [pid 12101] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12099}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12100] <... sendto resumed>) = 32 [pid 297] <... close resumed>) = 0 [pid 12103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] recvfrom(4, [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12103] <... futex resumed>) = 1 [pid 12102] <... futex resumed>) = 0 [pid 12101] <... futex resumed>) = 1 [pid 12100] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12098}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12099] <... futex resumed>) = 0 [pid 12103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [ 169.415456][T12103] exfat: Bad value for 'uid' [pid 12099] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12104 [pid 12103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12102] <... futex resumed>) = 0 [pid 12101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12100] <... futex resumed>) = 1 [pid 12099] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 12103] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12101] getsockname(4, [pid 12100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12099] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12103] <... socket resumed>) = 4 [pid 12101] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12099, nl_groups=00000000}, [116 => 12]) = 0 [pid 12100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12098] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12104 attached [pid 12103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] getsockname(4, [pid 12098] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12103] <... futex resumed>) = 1 [pid 12102] <... futex resumed>) = 0 [pid 12101] <... futex resumed>) = 1 [pid 12100] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12098, nl_groups=00000000}, [116 => 12]) = 0 [pid 12099] <... futex resumed>) = 0 [pid 12104] set_robust_list(0x5555555916a0, 24 [pid 12103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12101] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12102] <... futex resumed>) = 0 [pid 12101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12100] <... futex resumed>) = 1 [pid 12099] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 12104] <... set_robust_list resumed>) = 0 [pid 12103] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12101] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x43\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12100] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12099] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12103] <... sendto resumed>) = 32 [pid 12100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12098] <... futex resumed>) = 0 [pid 12103] recvfrom(4, [pid 12100] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x42\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12098] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12103] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12102}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12104] <... prctl resumed>) = 0 [pid 12103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] setpgid(0, 0 [pid 12103] <... futex resumed>) = 1 [pid 12102] <... futex resumed>) = 0 [pid 12104] <... setpgid resumed>) = 0 [pid 12103] getsockname(4, [pid 12102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12103] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12102, nl_groups=00000000}, [116 => 12]) = 0 [pid 12102] <... futex resumed>) = 0 [pid 12102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12103] <... futex resumed>) = 0 [pid 12104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12103] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x46\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12102] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] write(3, "1000", 4 [pid 12102] <... futex resumed>) = 0 [pid 12104] <... write resumed>) = 4 [pid 12102] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12104] close(3) = 0 [pid 12104] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12104] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12104] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12104] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12085] <... sendmsg resumed>) = 64 ./strace-static-x86_64: Process 12107 attached [pid 12085] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12107] set_robust_list(0x7fb9262589a0, 24 [pid 12104] <... clone3 resumed> => {parent_tid=[12107]}, 88) = 12107 [pid 12085] <... futex resumed>) = 0 [pid 12107] <... set_robust_list resumed>) = 0 [pid 12104] rt_sigprocmask(SIG_SETMASK, [], [pid 12085] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12107] rt_sigprocmask(SIG_SETMASK, [], [pid 12104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12083] exit_group(0 [pid 12107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12104] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12096] <... futex resumed>) = ? [pid 12085] <... futex resumed>) = ? [pid 12083] <... exit_group resumed>) = ? [pid 12107] memfd_create("syzkaller", 0 [pid 12104] <... futex resumed>) = 0 [pid 12096] +++ exited with 0 +++ [pid 12085] +++ exited with 0 +++ [pid 12083] +++ exited with 0 +++ [pid 12107] <... memfd_create resumed>) = 3 [pid 12104] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12083, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 12107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD [pid 12107] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12107] <... write resumed>) = 131072 [pid 12107] munmap(0x7fb91de38000, 138412032) = 0 [pid 299] close(3 [pid 12107] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 299] <... close resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12107] <... openat resumed>) = 4 [pid 12107] ioctl(4, LOOP_SET_FD, 3 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12109 ./strace-static-x86_64: Process 12109 attached [pid 12109] set_robust_list(0x5555555916a0, 24) = 0 [pid 12109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12109] setpgid(0, 0) = 0 [pid 12109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12109] write(3, "1000", 4) = 4 [pid 12109] close(3) = 0 [pid 12109] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12109] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12109] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12110]}, 88) = 12110 [pid 12109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12109] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12109] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12110 attached [pid 12110] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12110] memfd_create("syzkaller", 0) = 3 [pid 12110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12107] <... ioctl resumed>) = 0 [pid 12107] close(3) = 0 [pid 12107] close(4 [pid 12110] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12107] <... close resumed>) = 0 [pid 12107] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12107] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12110] <... write resumed>) = 131072 [pid 12110] munmap(0x7fb91de38000, 138412032) = 0 [pid 12110] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12110] ioctl(4, LOOP_SET_FD, 3 [pid 12107] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12107] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 12107] ioctl(3, LOOP_CLR_FD [pid 12110] <... ioctl resumed>) = 0 [pid 12110] close(3) = 0 [pid 12110] close(4) = 0 [pid 12110] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12110] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12098] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12098] <... futex resumed>) = 0 [pid 12099] <... mmap resumed>) = 0x7fb926217000 [pid 12099] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12111]}, 88) = 12111 [pid 12099] rt_sigprocmask(SIG_SETMASK, [], [pid 12098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12099] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12099] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] <... mmap resumed>) = 0x7fb926217000 [pid 12102] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12102] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12102] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12112]}, 88) = 12112 [pid 12102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12107] <... ioctl resumed>) = 0 [pid 12098] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 12112 attached ./strace-static-x86_64: Process 12111 attached [pid 12110] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12107] close(3) = 0 [pid 12107] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] <... clone3 resumed> => {parent_tid=[12113]}, 88) = 12113 [pid 12107] <... futex resumed>) = 1 [pid 12104] <... futex resumed>) = 0 [pid 12098] rt_sigprocmask(SIG_SETMASK, [], [pid 12104] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12104] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12107] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12098] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12107] <... socket resumed>) = 3 [pid 12098] <... futex resumed>) = 0 [pid 12107] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12107] <... futex resumed>) = 1 [pid 12104] <... futex resumed>) = 0 [pid 12107] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12104] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12107] <... socket resumed>) = 4 [pid 12104] <... futex resumed>) = 0 [pid 12104] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12107] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12107] <... futex resumed>) = 0 [pid 12104] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12104] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12107] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 12107] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12104}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12107] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12104] <... futex resumed>) = 0 [pid 12107] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12111] set_robust_list(0x7fb9262379a0, 24 [pid 12107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12104] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12111] <... set_robust_list resumed>) = 0 [pid 12107] getsockname(4, [pid 12104] <... futex resumed>) = 0 [pid 12111] rt_sigprocmask(SIG_SETMASK, [], [pid 12107] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12104, nl_groups=00000000}, [116 => 12]) = 0 [pid 12104] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12107] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12107] <... futex resumed>) = 0 [pid 12104] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12111] <... bpf resumed>) = 5 [pid 12107] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x48\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12104] <... futex resumed>) = 0 [pid 12111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12104] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12099] <... futex resumed>) = 0 [pid 12111] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12099] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12111] <... bpf resumed>) = 0 [pid 12099] <... futex resumed>) = 0 [pid 12111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12111] <... futex resumed>) = 0 [pid 12099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12099] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12111] <... bpf resumed>) = 6 [pid 12099] <... futex resumed>) = 0 [pid 12111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12110] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12099] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12111] <... futex resumed>) = 0 [pid 12110] <... openat resumed>) = 3 [pid 12099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12110] ioctl(3, LOOP_CLR_FD [pid 12099] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12111] <... bpf resumed>) = 7 [pid 12099] <... futex resumed>) = 0 [pid 12111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12111] <... futex resumed>) = 0 [pid 12099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12099] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12113 attached [pid 12112] set_robust_list(0x7fb9262379a0, 24 [pid 12099] <... futex resumed>) = 0 [pid 12113] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12112] <... set_robust_list resumed>) = 0 [pid 12111] <... bpf resumed>) = 8 [pid 12099] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12113] rt_sigprocmask(SIG_SETMASK, [], [pid 12111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12099] <... futex resumed>) = 0 [pid 12111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12099] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12111] <... bpf resumed>) = 9 [pid 12099] <... futex resumed>) = 0 [pid 12111] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12111] <... futex resumed>) = 0 [pid 12099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12111] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12112] <... bpf resumed>) = 5 [pid 12113] <... bpf resumed>) = 5 [pid 12113] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12098] <... futex resumed>) = 0 [pid 12113] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12098] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12098] <... futex resumed>) = 0 [pid 12113] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12098] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12113] <... bpf resumed>) = 0 [pid 12112] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12113] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12112] <... futex resumed>) = 1 [pid 12102] <... futex resumed>) = 0 [pid 12113] <... futex resumed>) = 1 [pid 12112] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] <... futex resumed>) = 0 [pid 12113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12112] <... bpf resumed>) = 0 [pid 12102] <... futex resumed>) = 0 [pid 12098] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12112] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12098] <... futex resumed>) = 0 [pid 12112] <... futex resumed>) = 0 [pid 12102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12098] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12113] <... bpf resumed>) = 6 [pid 12112] <... bpf resumed>) = 6 [pid 12102] <... futex resumed>) = 0 [pid 12102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12113] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12098] <... futex resumed>) = 0 [pid 12113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12098] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12113] <... bpf resumed>) = 7 [pid 12098] <... futex resumed>) = 0 [pid 12113] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12113] <... futex resumed>) = 0 [pid 12112] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12098] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12112] <... futex resumed>) = 1 [pid 12102] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 12112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12113] <... bpf resumed>) = 8 [pid 12112] <... bpf resumed>) = 7 [pid 12102] <... futex resumed>) = 0 [pid 12113] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12113] <... futex resumed>) = 1 [pid 12098] <... futex resumed>) = 0 [pid 12113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12112] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12112] <... futex resumed>) = 1 [pid 12102] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = 0 [pid 12113] <... bpf resumed>) = 9 [pid 12112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12113] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12102] <... futex resumed>) = 0 [pid 12098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12113] <... futex resumed>) = 0 [pid 12102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12113] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12112] <... bpf resumed>) = 8 [pid 12112] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12102] <... futex resumed>) = 0 [pid 12112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12102] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12112] <... bpf resumed>) = 9 [pid 12102] <... futex resumed>) = 0 [pid 12112] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12102] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12112] <... futex resumed>) = 0 [pid 12102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 169.486386][T12107] loop1: detected capacity change from 0 to 256 [ 169.494774][T12107] exfat: Bad value for 'uid' [ 169.498961][T12110] loop3: detected capacity change from 0 to 256 [ 169.507632][T12110] exfat: Bad value for 'uid' [pid 12112] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12101] <... sendmsg resumed>) = 64 [pid 12110] <... ioctl resumed>) = 0 [pid 12101] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12101] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12099] exit_group(0 [pid 12101] <... futex resumed>) = ? [pid 12099] <... exit_group resumed>) = ? [pid 12111] <... futex resumed>) = ? [pid 12110] close(3 [pid 12101] +++ exited with 0 +++ [pid 12110] <... close resumed>) = 0 [pid 12104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12111] +++ exited with 0 +++ [pid 12110] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12099] +++ exited with 0 +++ [pid 12110] <... futex resumed>) = 1 [pid 12109] <... futex resumed>) = 0 [pid 12104] <... futex resumed>) = 0 [pid 12104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12109] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... mmap resumed>) = 0x7fb926217000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12099, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12110] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12104] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12104] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12109] <... futex resumed>) = 0 [pid 12109] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12104] <... clone3 resumed> => {parent_tid=[12115]}, 88) = 12115 [pid 12110] <... socket resumed>) = 3 [pid 12104] rt_sigprocmask(SIG_SETMASK, [], [pid 12110] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12104] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12110] <... futex resumed>) = 1 [pid 12104] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12109] <... futex resumed>) = 0 [pid 12110] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12109] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 12115 attached [pid 12110] <... socket resumed>) = 4 [pid 12109] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12110] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12110] <... futex resumed>) = 0 [pid 12109] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12110] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12109] <... futex resumed>) = 0 [pid 12115] set_robust_list(0x7fb9262379a0, 24 [pid 12109] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12110] <... sendto resumed>) = 32 [pid 12110] recvfrom(4, [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12115] <... set_robust_list resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 12110] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12109}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12115] rt_sigprocmask(SIG_SETMASK, [], [pid 294] ioctl(3, LOOP_CLR_FD [pid 12110] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12110] <... futex resumed>) = 1 [pid 12109] <... futex resumed>) = 0 [pid 294] close(3 [pid 12109] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] <... close resumed>) = 0 [pid 12109] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12115] <... bpf resumed>) = 5 [pid 12115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... futex resumed>) = 0 [pid 12104] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12104] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12115] <... futex resumed>) = 1 [pid 12115] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... futex resumed>) = 0 [pid 12104] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12104] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12115] <... futex resumed>) = 1 [pid 12115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] <... futex resumed>) = 0 [pid 12104] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12104] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12115] <... futex resumed>) = 1 [pid 12115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12104] <... futex resumed>) = 0 [pid 12115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12104] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12116 attached [pid 12110] getsockname(4, [pid 12104] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12116 [pid 12116] set_robust_list(0x5555555916a0, 24 [pid 12115] <... bpf resumed>) = 8 [pid 12110] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12109, nl_groups=00000000}, [116 => 12]) = 0 [pid 12104] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12116] <... set_robust_list resumed>) = 0 [pid 12115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12110] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12115] <... futex resumed>) = 1 [pid 12110] <... futex resumed>) = 1 [pid 12109] <... futex resumed>) = 0 [pid 12104] <... futex resumed>) = 0 [pid 12115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12110] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4d\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12109] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12104] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12115] <... bpf resumed>) = 9 [pid 12104] <... futex resumed>) = 0 [pid 12115] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12109] <... futex resumed>) = 0 [pid 12104] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12115] <... futex resumed>) = 0 [pid 12109] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12115] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12116] setpgid(0, 0) = 0 [pid 12116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12116] write(3, "1000", 4) = 4 [pid 12116] close(3) = 0 [pid 12116] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12116] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12116] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12116] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12118 attached [pid 12118] set_robust_list(0x7fb9262589a0, 24 [pid 12116] <... clone3 resumed> => {parent_tid=[12118]}, 88) = 12118 [pid 12118] <... set_robust_list resumed>) = 0 [pid 12116] rt_sigprocmask(SIG_SETMASK, [], [pid 12118] rt_sigprocmask(SIG_SETMASK, [], [pid 12116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12116] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] memfd_create("syzkaller", 0 [pid 12116] <... futex resumed>) = 0 [pid 12118] <... memfd_create resumed>) = 3 [pid 12116] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12118] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12100] <... sendmsg resumed>) = 64 [pid 12103] <... sendmsg resumed>) = 64 [pid 12103] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12100] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12098] exit_group(0 [pid 12118] <... write resumed>) = 131072 [pid 12113] <... futex resumed>) = ? [pid 12103] <... futex resumed>) = 0 [pid 12100] <... futex resumed>) = ? [pid 12098] <... exit_group resumed>) = ? [pid 12118] munmap(0x7fb91de38000, 138412032 [pid 12113] +++ exited with 0 +++ [pid 12103] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12100] +++ exited with 0 +++ [pid 12118] <... munmap resumed>) = 0 [pid 12118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12098] +++ exited with 0 +++ [pid 12118] ioctl(4, LOOP_SET_FD, 3 [pid 12102] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12098, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12112] <... futex resumed>) = ? [pid 12103] <... futex resumed>) = ? [pid 12102] <... exit_group resumed>) = ? [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 12112] +++ exited with 0 +++ [pid 12103] +++ exited with 0 +++ [pid 298] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 12118] <... ioctl resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 12118] close(3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12118] <... close resumed>) = 0 [pid 12118] close(4 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12120 ./strace-static-x86_64: Process 12120 attached [pid 12118] <... close resumed>) = 0 [pid 12120] set_robust_list(0x5555555916a0, 24 [pid 12118] mkdir("./file0", 0777 [pid 12120] <... set_robust_list resumed>) = 0 [pid 12118] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12118] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12120] <... prctl resumed>) = 0 [pid 12120] setpgid(0, 0) = 0 [pid 12120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12120] write(3, "1000", 4) = 4 [pid 12118] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12118] ioctl(3, LOOP_CLR_FD) = 0 [pid 12118] close(3) = 0 [pid 12118] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12116] <... futex resumed>) = 0 [pid 12118] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12116] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] <... socket resumed>) = 3 [pid 12116] <... futex resumed>) = 0 [pid 12118] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12118] <... futex resumed>) = 0 [pid 12116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12118] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12116] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] <... socket resumed>) = 4 [pid 12116] <... futex resumed>) = 0 [pid 12118] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12118] <... futex resumed>) = 0 [pid 12116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12118] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12116] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12116] <... futex resumed>) = 0 [pid 12118] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12116] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12118] <... sendto resumed>) = 32 [pid 12118] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12116}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12118] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12116] <... futex resumed>) = 0 [pid 12118] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12116] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12116] <... futex resumed>) = 0 [pid 12118] getsockname(4, [pid 12116] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12118] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12116, nl_groups=00000000}, [116 => 12]) = 0 [pid 12118] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12116] <... futex resumed>) = 0 [pid 12118] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12116] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12116] <... futex resumed>) = 0 [pid 12118] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x54\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12116] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12120] close(3) = 0 [pid 12120] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12120] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12120] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12120] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12122]}, 88) = 12122 [pid 12120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12120] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12120] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12122 attached [pid 12122] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12122] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12122] memfd_create("syzkaller", 0) = 3 [pid 12122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12122] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12109] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12109] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12123]}, 88) = 12123 [pid 12109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12109] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12109] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12122] <... write resumed>) = 131072 [pid 12122] munmap(0x7fb91de38000, 138412032) = 0 [pid 12122] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 12122] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 12123 attached [pid 12123] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12123] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12109] <... futex resumed>) = 0 [pid 12109] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12109] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12123] <... futex resumed>) = 1 [pid 12123] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12123] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12109] <... futex resumed>) = 0 [pid 12109] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12109] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12123] <... futex resumed>) = 1 [pid 12123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12123] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12109] <... futex resumed>) = 0 [pid 12109] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12109] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12123] <... futex resumed>) = 1 [pid 12123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12122] <... ioctl resumed>) = 0 [pid 12102] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12102, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12123] <... bpf resumed>) = 7 [pid 300] <... openat resumed>) = 3 [pid 12123] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12122] close(3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 12109] <... futex resumed>) = 0 [pid 300] close(3 [pid 12109] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] <... close resumed>) = 0 [pid 12109] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12123] <... futex resumed>) = 1 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12124 [pid 12122] <... close resumed>) = 0 [pid 12123] <... bpf resumed>) = 8 [pid 12122] close(4 [pid 12123] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12122] <... close resumed>) = 0 [pid 12109] <... futex resumed>) = 0 [pid 12109] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12122] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12109] <... futex resumed>) = 0 [pid 12122] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12109] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 12124 attached [pid 12124] set_robust_list(0x5555555916a0, 24 [pid 12123] <... futex resumed>) = 1 [pid 12124] <... set_robust_list resumed>) = 0 [pid 12124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12124] setpgid(0, 0) = 0 [pid 12123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12123] <... bpf resumed>) = 9 [pid 12123] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12109] <... futex resumed>) = 0 [pid 12124] write(3, "1000", 4 [pid 12123] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12124] <... write resumed>) = 4 [pid 12124] close(3) = 0 [pid 12124] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12124] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12124] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12124] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12125]}, 88) = 12125 [pid 12124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12124] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12124] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12125 attached [pid 12125] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12107] <... sendmsg resumed>) = 64 [pid 12107] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12107] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12104] exit_group(0 [pid 12115] <... futex resumed>) = ? [pid 12107] <... futex resumed>) = ? [pid 12104] <... exit_group resumed>) = ? [pid 12115] +++ exited with 0 +++ [pid 12107] +++ exited with 0 +++ [pid 12125] memfd_create("syzkaller", 0 [pid 12122] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12122] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12122] ioctl(3, LOOP_CLR_FD) = 0 [pid 12122] close(3 [pid 12125] <... memfd_create resumed>) = 3 [pid 12122] <... close resumed>) = 0 [pid 12125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12122] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12120] <... futex resumed>) = 0 [pid 12125] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12122] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12120] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12122] <... socket resumed>) = 3 [pid 12120] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12122] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12125] <... write resumed>) = 131072 [pid 12122] <... futex resumed>) = 1 [pid 12120] <... futex resumed>) = 0 [pid 12120] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12125] munmap(0x7fb91de38000, 138412032 [pid 12122] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12120] <... futex resumed>) = 0 [pid 12120] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12122] <... socket resumed>) = 4 [pid 12125] <... munmap resumed>) = 0 [pid 12122] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12120] <... futex resumed>) = 0 [pid 12125] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12122] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12120] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12125] <... openat resumed>) = 4 [pid 12122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12120] <... futex resumed>) = 0 [pid 12125] ioctl(4, LOOP_SET_FD, 3 [pid 12122] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [ 169.620233][T12118] loop0: detected capacity change from 0 to 256 [ 169.629278][T12118] exfat: Bad value for 'uid' [ 169.653555][T12122] loop2: detected capacity change from 0 to 256 [ 169.664612][T12122] exfat: Bad value for 'uid' [pid 12120] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12116] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12122] <... sendto resumed>) = 32 [pid 12125] <... ioctl resumed>) = 0 [pid 12122] recvfrom(4, [pid 12116] <... futex resumed>) = 0 [pid 12122] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12120}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12122] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12125] close(3 [pid 12116] <... mmap resumed>) = 0x7fb926217000 [pid 12122] <... futex resumed>) = 1 [pid 12120] <... futex resumed>) = 0 [pid 12116] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12125] <... close resumed>) = 0 [pid 12122] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12120] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] <... mprotect resumed>) = 0 [pid 12122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12120] <... futex resumed>) = 0 [pid 12116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12125] close(4 [pid 12122] getsockname(4, [pid 12120] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12122] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12120, nl_groups=00000000}, [116 => 12]) = 0 [pid 12116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12122] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12126 attached [pid 12125] <... close resumed>) = 0 [pid 12122] <... futex resumed>) = 1 [pid 12120] <... futex resumed>) = 0 [pid 12116] <... clone3 resumed> => {parent_tid=[12126]}, 88) = 12126 [pid 12126] set_robust_list(0x7fb9262379a0, 24 [pid 12125] mkdir("./file0", 0777 [pid 12122] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12120] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] rt_sigprocmask(SIG_SETMASK, [], [pid 12126] <... set_robust_list resumed>) = 0 [pid 12125] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12120] <... futex resumed>) = 0 [pid 12116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12126] rt_sigprocmask(SIG_SETMASK, [], [pid 12125] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12122] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x58\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12120] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12116] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12116] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12125] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12110] <... sendmsg resumed>) = 64 [pid 12126] <... bpf resumed>) = 5 [pid 12125] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12110] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12110] <... futex resumed>) = 0 [pid 12125] <... openat resumed>) = 3 [pid 12109] exit_group(0 [pid 12123] <... futex resumed>) = ? [pid 12109] <... exit_group resumed>) = ? [pid 12123] +++ exited with 0 +++ [pid 12126] <... futex resumed>) = 1 [pid 12125] ioctl(3, LOOP_CLR_FD [pid 12116] <... futex resumed>) = 0 [pid 12116] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12116] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12126] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12126] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] <... futex resumed>) = 0 [pid 12116] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12116] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12126] <... futex resumed>) = 1 [pid 12126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12126] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] <... futex resumed>) = 0 [pid 12116] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12116] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12126] <... futex resumed>) = 1 [pid 12104] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12104, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 12110] +++ exited with 0 +++ [pid 12109] +++ exited with 0 +++ [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] ioctl(3, LOOP_CLR_FD [pid 12126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12128 [pid 299] <... restart_syscall resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12129 ./strace-static-x86_64: Process 12128 attached [pid 12128] set_robust_list(0x5555555916a0, 24) = 0 [pid 12128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12128] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 12129 attached [pid 12129] set_robust_list(0x5555555916a0, 24) = 0 [pid 12129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12129] setpgid(0, 0 [pid 12128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12129] <... setpgid resumed>) = 0 [pid 12129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12128] <... openat resumed>) = 3 [pid 12129] <... openat resumed>) = 3 [pid 12129] write(3, "1000", 4) = 4 [pid 12129] close(3) = 0 [pid 12129] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12129] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12129] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12128] write(3, "1000", 4 [pid 12129] <... mprotect resumed>) = 0 [pid 12128] <... write resumed>) = 4 [pid 12129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12128] close(3 [pid 12129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12128] <... close resumed>) = 0 ./strace-static-x86_64: Process 12130 attached [pid 12128] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] <... clone3 resumed> => {parent_tid=[12130]}, 88) = 12130 [pid 12129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12129] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12129] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12130] set_robust_list(0x7fb9262589a0, 24 [pid 12128] <... futex resumed>) = 0 [pid 12128] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12130] <... set_robust_list resumed>) = 0 [pid 12128] <... mmap resumed>) = 0x7fb926238000 [pid 12128] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12130] rt_sigprocmask(SIG_SETMASK, [], [pid 12128] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12128] <... clone3 resumed> => {parent_tid=[12131]}, 88) = 12131 [pid 12128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12128] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12131 attached [pid 12131] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12130] memfd_create("syzkaller", 0 [pid 12131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12130] <... memfd_create resumed>) = 3 [pid 12130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12131] memfd_create("syzkaller", 0) = 3 [pid 12131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12130] <... mmap resumed>) = 0x7fb91de38000 [pid 12131] <... mmap resumed>) = 0x7fb91de38000 [pid 12130] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12131] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12130] <... write resumed>) = 131072 [pid 12130] munmap(0x7fb91de38000, 138412032) = 0 [pid 12130] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12131] <... write resumed>) = 131072 [pid 12131] munmap(0x7fb91de38000, 138412032 [pid 12130] <... openat resumed>) = 4 [pid 12131] <... munmap resumed>) = 0 [pid 12130] ioctl(4, LOOP_SET_FD, 3 [pid 12131] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 169.689305][T12125] loop4: detected capacity change from 0 to 256 [ 169.704114][T12125] exfat: Bad value for 'uid' [pid 12131] ioctl(4, LOOP_SET_FD, 3 [pid 12130] <... ioctl resumed>) = 0 [pid 12126] <... bpf resumed>) = 7 [pid 12126] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12126] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12130] close(3) = 0 [pid 12130] close(4) = 0 [pid 12130] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12130] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12125] <... ioctl resumed>) = 0 [pid 12118] <... sendmsg resumed>) = 64 [pid 12116] <... futex resumed>) = 0 [pid 12130] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12130] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12130] ioctl(3, LOOP_CLR_FD) = 0 [pid 12130] close(3 [pid 12125] close(3 [pid 12118] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12118] <... futex resumed>) = 0 [pid 12116] <... futex resumed>) = 1 [pid 12126] <... futex resumed>) = 0 [pid 12120] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12125] <... close resumed>) = 0 [pid 12116] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12120] <... futex resumed>) = 0 [pid 12126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12130] <... close resumed>) = 0 [pid 12130] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] <... futex resumed>) = 0 [pid 12129] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12126] <... bpf resumed>) = 8 [pid 12129] <... futex resumed>) = 0 [pid 12129] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12125] <... futex resumed>) = 1 [pid 12124] <... futex resumed>) = 0 [pid 12120] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12130] <... futex resumed>) = 1 [pid 12124] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12130] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12120] <... mprotect resumed>) = 0 [pid 12124] <... futex resumed>) = 0 [pid 12125] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12130] <... socket resumed>) = 3 [pid 12130] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] <... futex resumed>) = 0 [pid 12129] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12129] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12130] <... futex resumed>) = 1 [pid 12130] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12130] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] <... futex resumed>) = 0 [pid 12129] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12129] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12130] <... futex resumed>) = 1 [pid 12130] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12126] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12125] <... socket resumed>) = 3 [pid 12124] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12126] <... futex resumed>) = 1 [pid 12125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12116] <... futex resumed>) = 0 [pid 12120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12125] <... futex resumed>) = 1 [pid 12124] <... futex resumed>) = 0 [pid 12126] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12116] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12125] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12124] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] <... futex resumed>) = 0 [pid 12116] <... futex resumed>) = 1 [pid 12125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12124] <... futex resumed>) = 0 [pid 12118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12116] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12125] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12124] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12120] <... clone3 resumed> => {parent_tid=[12132]}, 88) = 12132 [pid 12130] <... sendto resumed>) = 32 [pid 12130] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12129}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12125] <... socket resumed>) = 4 [pid 12120] rt_sigprocmask(SIG_SETMASK, [], [pid 12118] <... bpf resumed>) = 9 [pid 12120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12120] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12130] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12120] <... futex resumed>) = 0 [pid 12129] <... futex resumed>) = 0 [pid 12120] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12129] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12125] <... futex resumed>) = 1 [pid 12124] <... futex resumed>) = 0 [pid 12118] <... futex resumed>) = 1 [pid 12116] <... futex resumed>) = 0 [pid 12129] <... futex resumed>) = 0 [pid 12125] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12124] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12118] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12116] exit_group(0 [pid 12129] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12126] <... futex resumed>) = ? [pid 12125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12124] <... futex resumed>) = 0 [pid 12118] <... futex resumed>) = ? [pid 12116] <... exit_group resumed>) = ? [pid 12125] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12124] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12118] +++ exited with 0 +++ [pid 12130] <... futex resumed>) = 1 [pid 12130] getsockname(4, {sa_family=AF_NETLINK, nl_pid=12129, nl_groups=00000000}, [116 => 12]) = 0 [pid 12130] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] <... futex resumed>) = 0 [pid 12129] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12129] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12130] <... futex resumed>) = 1 [pid 12130] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x61\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12126] +++ exited with 0 +++ [pid 12116] +++ exited with 0 +++ [pid 12125] <... sendto resumed>) = 32 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12116, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 12125] recvfrom(4, [pid 294] <... restart_syscall resumed>) = 0 [pid 12125] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12124}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12124] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12125] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12124] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 12125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12124] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 12125] getsockname(4, [pid 12124] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12125] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12124, nl_groups=00000000}, [116 => 12]) = 0 [pid 294] close(3 [pid 12125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 12125] <... futex resumed>) = 1 [pid 12124] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12125] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12124] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12124] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12134 [pid 12125] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5c\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12124] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12131] <... ioctl resumed>) = 0 [pid 12131] close(3) = 0 [pid 12131] close(4) = 0 [pid 12131] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12131] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 12132 attached ./strace-static-x86_64: Process 12134 attached [pid 12132] set_robust_list(0x7fb9262379a0, 24 [pid 12131] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12131] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12132] <... set_robust_list resumed>) = 0 [pid 12132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12132] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12120] <... futex resumed>) = 0 [pid 12120] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12120] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12132] <... futex resumed>) = 1 [pid 12132] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12132] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12120] <... futex resumed>) = 0 [pid 12120] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12120] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12132] <... futex resumed>) = 1 [pid 12132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12131] <... openat resumed>) = 3 [pid 12131] ioctl(3, LOOP_CLR_FD [pid 12134] set_robust_list(0x5555555916a0, 24) = 0 [pid 12132] <... bpf resumed>) = 6 [pid 12134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12132] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] <... prctl resumed>) = 0 [pid 12134] setpgid(0, 0) = 0 [pid 12134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12134] write(3, "1000", 4) = 4 [pid 12134] close(3) = 0 [pid 12134] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12134] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12132] <... futex resumed>) = 1 [pid 12120] <... futex resumed>) = 0 [pid 12120] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12120] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12132] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12132] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12120] <... futex resumed>) = 0 [pid 12134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12120] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12120] <... futex resumed>) = 0 [pid 12134] <... mmap resumed>) = 0x7fb926238000 [pid 12120] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12134] <... mprotect resumed>) = 0 [pid 12134] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12136]}, 88) = 12136 [pid 12134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12134] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12134] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12136 attached [pid 12136] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12136] memfd_create("syzkaller", 0) = 3 [pid 12136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12132] <... bpf resumed>) = 8 [pid 12132] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12120] <... futex resumed>) = 0 [pid 12120] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12120] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12136] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12131] <... ioctl resumed>) = 0 [pid 12131] close(3) = 0 [pid 12131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12131] <... futex resumed>) = 1 [pid 12131] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12131] <... futex resumed>) = 1 [pid 12131] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12131] <... futex resumed>) = 1 [pid 12131] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 12131] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12128}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12131] <... futex resumed>) = 1 [pid 12131] getsockname(4, {sa_family=AF_NETLINK, nl_pid=12128, nl_groups=00000000}, [116 => 12]) = 0 [pid 12131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12131] <... futex resumed>) = 1 [pid 12131] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x60\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12136] <... write resumed>) = 131072 [pid 12136] munmap(0x7fb91de38000, 138412032) = 0 [pid 12132] <... bpf resumed>) = 9 [pid 12136] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12132] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] ioctl(4, LOOP_SET_FD, 3 [pid 12132] <... futex resumed>) = 1 [pid 12120] <... futex resumed>) = 0 [ 169.734851][T12130] loop3: detected capacity change from 0 to 256 [ 169.735531][T12131] loop1: detected capacity change from 0 to 256 [ 169.748214][T12130] exfat: Bad value for 'uid' [ 169.770045][T12131] exfat: Bad value for 'uid' [pid 12132] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12129] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12136] <... ioctl resumed>) = 0 [pid 12129] <... mmap resumed>) = 0x7fb926217000 [pid 12124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12129] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12124] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] close(3 [pid 12129] <... mprotect resumed>) = 0 [pid 12124] <... futex resumed>) = 0 [pid 12129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12124] <... mmap resumed>) = 0x7fb926217000 [pid 12124] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12124] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12139]}, 88) = 12139 [pid 12129] <... clone3 resumed> => {parent_tid=[12138]}, 88) = 12138 [pid 12124] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12139 attached [pid 12129] rt_sigprocmask(SIG_SETMASK, [], [pid 12124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12124] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12124] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12138 attached [pid 12139] set_robust_list(0x7fb9262379a0, 24 [pid 12129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12136] <... close resumed>) = 0 [pid 12129] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12139] <... set_robust_list resumed>) = 0 [pid 12139] rt_sigprocmask(SIG_SETMASK, [], [pid 12129] <... futex resumed>) = 0 [pid 12139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12138] set_robust_list(0x7fb9262379a0, 24 [pid 12136] close(4 [pid 12129] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12138] <... set_robust_list resumed>) = 0 [pid 12138] rt_sigprocmask(SIG_SETMASK, [], [pid 12139] <... bpf resumed>) = 5 [pid 12138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12138] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12138] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12136] <... close resumed>) = 0 [pid 12136] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12136] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12129] <... futex resumed>) = 0 [pid 12139] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] <... futex resumed>) = 0 [pid 12129] <... futex resumed>) = 1 [pid 12139] <... futex resumed>) = 1 [pid 12138] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12136] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12129] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12124] <... futex resumed>) = 0 [pid 12124] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12139] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12138] <... bpf resumed>) = 0 [pid 12124] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12136] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12138] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] <... openat resumed>) = 3 [pid 12139] <... bpf resumed>) = 0 [pid 12136] ioctl(3, LOOP_CLR_FD [pid 12139] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] <... futex resumed>) = 1 [pid 12129] <... futex resumed>) = 0 [pid 12138] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 12129] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12139] <... futex resumed>) = 1 [pid 12129] <... futex resumed>) = 0 [pid 12124] <... futex resumed>) = 0 [pid 12139] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12138] <... bpf resumed>) = 6 [pid 12129] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12124] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12124] <... futex resumed>) = 0 [pid 12138] <... futex resumed>) = 0 [pid 12138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12129] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12124] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12138] <... bpf resumed>) = 7 [pid 12129] <... futex resumed>) = 0 [pid 12138] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12138] <... futex resumed>) = 0 [pid 12129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12138] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 12129] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12129] <... futex resumed>) = 0 [pid 12139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12129] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12139] <... bpf resumed>) = 6 [pid 12138] <... bpf resumed>) = 8 [pid 12138] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12138] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12139] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12129] <... futex resumed>) = 0 [pid 12129] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12139] <... futex resumed>) = 1 [pid 12124] <... futex resumed>) = 0 [pid 12138] <... futex resumed>) = 0 [pid 12129] <... futex resumed>) = 1 [pid 12139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12124] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12129] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12124] <... futex resumed>) = 0 [pid 12139] <... bpf resumed>) = 7 [pid 12138] <... bpf resumed>) = 9 [pid 12124] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12139] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12139] <... futex resumed>) = 1 [pid 12124] <... futex resumed>) = 0 [pid 12139] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12129] <... futex resumed>) = 0 [pid 12124] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12138] <... futex resumed>) = 1 [pid 12139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12124] <... futex resumed>) = 0 [pid 12138] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12124] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12139] <... bpf resumed>) = 8 [pid 12139] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12124] <... futex resumed>) = 0 [pid 12139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12124] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12139] <... bpf resumed>) = 9 [pid 12124] <... futex resumed>) = 0 [pid 12139] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12124] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 12139] <... futex resumed>) = 0 [pid 12139] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12130] <... sendmsg resumed>) = 64 [pid 12130] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12129] exit_group(0 [pid 12138] <... futex resumed>) = ? [pid 12129] <... exit_group resumed>) = ? [pid 12138] +++ exited with 0 +++ [pid 12130] +++ exited with 0 +++ [pid 12129] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12129, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 12128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12128] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12128] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... openat resumed>) = 3 [pid 12128] <... futex resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 12128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12128] <... mmap resumed>) = 0x7fb926217000 [pid 12128] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 299] close(3 [pid 12128] <... mprotect resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 12128] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12140]}, 88) = 12140 [pid 12128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12128] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12141 ./strace-static-x86_64: Process 12140 attached [pid 12140] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12140] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12141 attached NULL, 8) = 0 [pid 12141] set_robust_list(0x5555555916a0, 24 [pid 12140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12141] <... set_robust_list resumed>) = 0 [pid 12140] <... bpf resumed>) = 5 [pid 12141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12140] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] setpgid(0, 0) = 0 [pid 12141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12140] <... futex resumed>) = 1 [pid 12140] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12141] <... openat resumed>) = 3 [pid 12140] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] write(3, "1000", 4) = 4 [pid 12141] close(3) = 0 [pid 12140] <... futex resumed>) = 1 [pid 12128] <... futex resumed>) = 0 [pid 12141] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12128] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12141] <... futex resumed>) = 0 [pid 12141] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [ 169.812705][T12136] loop0: detected capacity change from 0 to 256 [ 169.826566][T12136] exfat: Bad value for 'uid' [pid 12141] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12142]}, 88) = 12142 [pid 12141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12141] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12141] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12142 attached [pid 12142] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12142] memfd_create("syzkaller", 0) = 3 [pid 12140] <... bpf resumed>) = 6 [pid 12140] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12140] <... futex resumed>) = 1 [pid 12140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12140] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12128] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12140] <... futex resumed>) = 1 [pid 12140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12142] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12140] <... bpf resumed>) = 8 [pid 12136] <... ioctl resumed>) = 0 [pid 12122] <... sendmsg resumed>) = 64 [pid 12136] close(3 [pid 12122] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12120] exit_group(0 [pid 12136] <... close resumed>) = 0 [pid 12132] <... futex resumed>) = ? [pid 12122] <... futex resumed>) = ? [pid 12120] <... exit_group resumed>) = ? [pid 12136] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12132] +++ exited with 0 +++ [pid 12122] +++ exited with 0 +++ [pid 12136] <... futex resumed>) = 1 [pid 12134] <... futex resumed>) = 0 [pid 12142] munmap(0x7fb91de38000, 138412032 [pid 12140] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12134] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12134] <... futex resumed>) = 0 [pid 12136] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12134] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] <... munmap resumed>) = 0 [pid 12136] <... socket resumed>) = 3 [pid 12140] <... futex resumed>) = 1 [pid 12128] <... futex resumed>) = 0 [pid 12128] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12136] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12128] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12136] <... futex resumed>) = 1 [pid 12134] <... futex resumed>) = 0 [pid 12136] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12134] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12134] <... futex resumed>) = 0 [pid 12136] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12134] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12136] <... socket resumed>) = 4 [pid 12142] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12136] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] <... openat resumed>) = 4 [pid 12140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12142] ioctl(4, LOOP_SET_FD, 3 [pid 12136] <... futex resumed>) = 1 [pid 12134] <... futex resumed>) = 0 [pid 12136] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12134] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12134] <... futex resumed>) = 0 [pid 12136] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12134] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12136] <... sendto resumed>) = 32 [pid 12136] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12134}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12136] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12134] <... futex resumed>) = 0 [pid 12136] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12134] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12134] <... futex resumed>) = 0 [pid 12136] getsockname(4, [pid 12134] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12136] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12134, nl_groups=00000000}, [116 => 12]) = 0 [pid 12136] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12134] <... futex resumed>) = 0 [pid 12136] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12134] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12134] <... futex resumed>) = 0 [pid 12136] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x66\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12134] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] <... ioctl resumed>) = 0 [pid 12142] close(3) = 0 [pid 12142] close(4) = 0 [pid 12140] <... bpf resumed>) = 9 [pid 12120] +++ exited with 0 +++ [pid 12142] mkdir("./file0", 0777 [pid 12140] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12120, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12142] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12140] <... futex resumed>) = 1 [pid 12142] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12140] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12128] <... futex resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12144 attached [pid 12142] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12144 [pid 12142] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12144] set_robust_list(0x5555555916a0, 24 [pid 12142] <... openat resumed>) = 3 [pid 12144] <... set_robust_list resumed>) = 0 [pid 12142] ioctl(3, LOOP_CLR_FD [pid 12144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12144] setpgid(0, 0) = 0 [pid 12144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12144] write(3, "1000", 4) = 4 [pid 12144] close(3) = 0 [pid 12144] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12144] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12144] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12145]}, 88) = 12145 ./strace-static-x86_64: Process 12145 attached [pid 12144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12145] set_robust_list(0x7fb9262589a0, 24 [pid 12144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12145] <... set_robust_list resumed>) = 0 [pid 12144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12145] memfd_create("syzkaller", 0) = 3 [pid 12145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12145] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12125] <... sendmsg resumed>) = 64 [pid 12125] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12124] exit_group(0 [pid 12145] <... write resumed>) = 131072 [pid 12139] <... futex resumed>) = ? [pid 12125] <... futex resumed>) = ? [pid 12124] <... exit_group resumed>) = ? [pid 12145] munmap(0x7fb91de38000, 138412032 [pid 12139] +++ exited with 0 +++ [pid 12125] +++ exited with 0 +++ [pid 12145] <... munmap resumed>) = 0 [pid 12145] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 12145] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12145] close(3) = 0 [pid 12145] close(4) = 0 [pid 12145] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12145] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12145] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12145] ioctl(3, LOOP_CLR_FD) = 0 [pid 12142] <... ioctl resumed>) = 0 [pid 12131] <... sendmsg resumed>) = 64 [pid 12142] close(3) = 0 [pid 12142] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12142] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12145] close(3) = 0 [pid 12145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12145] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12144] <... futex resumed>) = 0 [pid 12141] <... futex resumed>) = 0 [pid 12134] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12131] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12131] <... futex resumed>) = 0 [pid 12128] exit_group(0 [pid 12142] <... futex resumed>) = 0 [pid 12141] <... futex resumed>) = 1 [pid 12140] <... futex resumed>) = ? [pid 12134] <... futex resumed>) = 0 [pid 12128] <... exit_group resumed>) = ? [pid 12142] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12141] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12140] +++ exited with 0 +++ [pid 12134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12142] <... socket resumed>) = 3 [pid 12134] <... mmap resumed>) = 0x7fb926217000 [pid 12142] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] <... futex resumed>) = 1 [pid 12141] <... futex resumed>) = 0 [pid 12134] <... mprotect resumed>) = 0 [pid 12142] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12144] <... futex resumed>) = 1 [pid 12142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12141] <... futex resumed>) = 0 [pid 12134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12142] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12141] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12145] <... futex resumed>) = 0 [pid 12144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] <... socket resumed>) = 4 ./strace-static-x86_64: Process 12146 attached [pid 12142] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] <... clone3 resumed> => {parent_tid=[12146]}, 88) = 12146 [pid 12146] set_robust_list(0x7fb9262379a0, 24 [pid 12142] <... futex resumed>) = 1 [pid 12141] <... futex resumed>) = 0 [pid 12134] rt_sigprocmask(SIG_SETMASK, [], [pid 12146] <... set_robust_list resumed>) = 0 [pid 12142] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12146] rt_sigprocmask(SIG_SETMASK, [], [pid 12145] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12141] <... futex resumed>) = 0 [pid 12134] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12145] <... socket resumed>) = 3 [pid 12142] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12141] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] <... futex resumed>) = 0 [pid 12146] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] <... sendto resumed>) = 32 [pid 12134] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] recvfrom(4, [pid 12146] <... bpf resumed>) = 5 [pid 12145] <... futex resumed>) = 1 [pid 12144] <... futex resumed>) = 0 [pid 12142] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12141}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12146] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12145] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12146] <... futex resumed>) = 1 [pid 12145] <... socket resumed>) = 4 [pid 12144] <... futex resumed>) = 0 [pid 12142] <... futex resumed>) = 1 [pid 12141] <... futex resumed>) = 0 [pid 12134] <... futex resumed>) = 0 [pid 12144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12134] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12141] <... futex resumed>) = 0 [pid 12134] <... futex resumed>) = 0 [pid 12142] getsockname(4, [pid 12141] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12146] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12141, nl_groups=00000000}, [116 => 12]) = 0 [pid 12142] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12146] <... bpf resumed>) = 0 [pid 12145] <... futex resumed>) = 1 [pid 12144] <... futex resumed>) = 0 [pid 12142] <... futex resumed>) = 1 [pid 12141] <... futex resumed>) = 0 [pid 12144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12142] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12146] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12145] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12144] <... futex resumed>) = 0 [pid 12142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12141] <... futex resumed>) = 0 [pid 12146] <... futex resumed>) = 1 [pid 12144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12142] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x6d\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12141] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] <... futex resumed>) = 0 [pid 12146] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12134] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12134] <... futex resumed>) = 0 [pid 12146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12134] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12146] <... bpf resumed>) = 6 [pid 12146] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12134] <... futex resumed>) = 0 [pid 12131] +++ exited with 0 +++ [pid 12128] +++ exited with 0 +++ [pid 12124] +++ exited with 0 +++ [pid 12146] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12134] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12128, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12134] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12134] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... openat resumed>) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 12148 attached [pid 12145] <... sendto resumed>) = 32 [pid 297] close(3 [pid 12145] recvfrom(4, [pid 297] <... close resumed>) = 0 [pid 12145] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12144}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12144] <... futex resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12149 [pid 12145] getsockname(4, [pid 12144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12145] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12144, nl_groups=00000000}, [116 => 12]) = 0 [pid 12144] <... futex resumed>) = 0 [pid 12145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12145] <... futex resumed>) = 0 [pid 12144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12145] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [ 169.894076][T12142] loop3: detected capacity change from 0 to 256 [ 169.911975][T12142] exfat: Bad value for 'uid' [ 169.929834][T12145] loop2: detected capacity change from 0 to 256 [ 169.937588][T12145] exfat: Bad value for 'uid' [pid 12144] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12144] <... futex resumed>) = 0 [pid 12145] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x70\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12144] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12148 [pid 12148] set_robust_list(0x5555555916a0, 24) = 0 ./strace-static-x86_64: Process 12149 attached [pid 12148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12149] set_robust_list(0x5555555916a0, 24 [pid 12148] <... prctl resumed>) = 0 [pid 12149] <... set_robust_list resumed>) = 0 [pid 12148] setpgid(0, 0 [pid 12149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12148] <... setpgid resumed>) = 0 [pid 12149] <... prctl resumed>) = 0 [pid 12148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12149] setpgid(0, 0 [pid 12148] <... openat resumed>) = 3 [pid 12149] <... setpgid resumed>) = 0 [pid 12148] write(3, "1000", 4 [pid 12149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12148] <... write resumed>) = 4 [pid 12149] <... openat resumed>) = 3 [pid 12148] close(3 [pid 12149] write(3, "1000", 4 [pid 12148] <... close resumed>) = 0 [pid 12149] <... write resumed>) = 4 [pid 12149] close(3) = 0 [pid 12149] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12149] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12146] <... bpf resumed>) = 7 [pid 12149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12148] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12148] <... futex resumed>) = 0 [pid 12146] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12149] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12148] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12146] <... futex resumed>) = 1 [pid 12134] <... futex resumed>) = 0 [pid 12149] <... mprotect resumed>) = 0 [pid 12148] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12146] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12134] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12134] <... futex resumed>) = 0 [pid 12149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12134] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12149] <... clone3 resumed> => {parent_tid=[12151]}, 88) = 12151 [pid 12149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12149] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12149] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12151 attached [pid 12151] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12146] <... bpf resumed>) = 8 [pid 12148] <... mmap resumed>) = 0x7fb926238000 [pid 12146] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12146] <... futex resumed>) = 1 [pid 12134] <... futex resumed>) = 0 [pid 12148] <... mprotect resumed>) = 0 [pid 12146] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12134] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12151] memfd_create("syzkaller", 0 [pid 12148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12134] <... futex resumed>) = 0 [pid 12151] <... memfd_create resumed>) = 3 [pid 12151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12146] <... bpf resumed>) = 9 [pid 12134] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12146] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12146] <... futex resumed>) = 0 [pid 12148] <... clone3 resumed> => {parent_tid=[12152]}, 88) = 12152 [pid 12146] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12148] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12148] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12152 attached [pid 12152] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12152] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12151] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12152] memfd_create("syzkaller", 0) = 3 [pid 12152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12151] <... write resumed>) = 131072 [pid 12152] <... mmap resumed>) = 0x7fb91de38000 [pid 12151] munmap(0x7fb91de38000, 138412032) = 0 [pid 12151] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12151] ioctl(4, LOOP_SET_FD, 3 [pid 12152] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12152] munmap(0x7fb91de38000, 138412032) = 0 [pid 12152] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 12152] ioctl(4, LOOP_SET_FD, 3 [pid 12151] <... ioctl resumed>) = 0 [pid 12151] close(3) = 0 [pid 12151] close(4) = 0 [pid 12151] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12151] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12152] <... ioctl resumed>) = 0 [pid 12152] close(3) = 0 [pid 12152] close(4) = 0 [pid 12152] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12152] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12151] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12141] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12151] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12141] <... futex resumed>) = 0 [pid 12136] <... sendmsg resumed>) = 64 [pid 12141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12136] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] <... mmap resumed>) = 0x7fb926217000 [pid 12136] <... futex resumed>) = 0 [pid 12141] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12136] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] <... mprotect resumed>) = 0 [pid 12141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12134] exit_group(0 [pid 12146] <... futex resumed>) = ? [pid 12141] <... clone3 resumed> => {parent_tid=[12153]}, 88) = 12153 [pid 12136] <... futex resumed>) = ? [pid 12134] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 12153 attached [pid 12152] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12151] <... openat resumed>) = 3 [pid 12146] +++ exited with 0 +++ [pid 12141] rt_sigprocmask(SIG_SETMASK, [], [pid 12136] +++ exited with 0 +++ [pid 12141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12141] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12141] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12134] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12134, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12153] set_robust_list(0x7fb9262379a0, 24 [pid 12152] <... openat resumed>) = 3 [pid 12151] ioctl(3, LOOP_CLR_FD [pid 12153] <... set_robust_list resumed>) = 0 [pid 12153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12152] ioctl(3, LOOP_CLR_FD [pid 12153] <... bpf resumed>) = 5 [pid 12153] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] <... futex resumed>) = 0 [pid 12141] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12141] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12153] <... futex resumed>) = 1 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12153] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12153] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] <... futex resumed>) = 0 [pid 12141] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12141] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12153] <... futex resumed>) = 1 [pid 12153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 294] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12154 [pid 12153] <... bpf resumed>) = 6 [pid 12153] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12153] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12154 attached [pid 12144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12144] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12144] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12155]}, 88) = 12155 [pid 12144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12141] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12155 attached [pid 12141] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12155] set_robust_list(0x7fb9262379a0, 24 [pid 12154] set_robust_list(0x5555555916a0, 24 [pid 12153] <... futex resumed>) = 0 [pid 12144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] <... futex resumed>) = 1 [pid 12141] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12155] <... set_robust_list resumed>) = 0 [pid 12144] <... futex resumed>) = 0 [pid 12154] <... set_robust_list resumed>) = 0 [pid 12155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12155] <... bpf resumed>) = 5 [pid 12155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12155] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12154] <... prctl resumed>) = 0 [pid 12144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12155] <... futex resumed>) = 0 [pid 12154] setpgid(0, 0 [pid 12155] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] <... setpgid resumed>) = 0 [pid 12144] <... futex resumed>) = 0 [pid 12144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12155] <... futex resumed>) = 1 [pid 12155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12154] write(3, "1000", 4 [pid 12155] <... bpf resumed>) = 6 [pid 12154] <... write resumed>) = 4 [pid 12154] close(3) = 0 [pid 12154] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12154] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12144] <... futex resumed>) = 0 [pid 12144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12155] <... futex resumed>) = 1 [pid 12155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12154] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12156]}, 88) = 12156 [pid 12154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12154] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12154] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12156 attached [pid 12156] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12156] memfd_create("syzkaller", 0) = 3 [pid 12156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12155] <... bpf resumed>) = 7 [pid 12153] <... bpf resumed>) = 7 [pid 12155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12153] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12155] <... futex resumed>) = 1 [pid 12153] <... futex resumed>) = 1 [pid 12144] <... futex resumed>) = 0 [pid 12141] <... futex resumed>) = 0 [pid 12155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12155] <... bpf resumed>) = 8 [pid 12144] <... futex resumed>) = 0 [pid 12141] <... futex resumed>) = 0 [pid 12153] <... bpf resumed>) = 8 [pid 12153] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12141] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12153] <... futex resumed>) = 0 [pid 12153] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12155] <... futex resumed>) = 1 [pid 12153] <... futex resumed>) = 0 [pid 12144] <... futex resumed>) = 0 [pid 12141] <... futex resumed>) = 1 [pid 12155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12144] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12141] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12156] <... write resumed>) = 131072 [pid 12153] <... bpf resumed>) = 9 [pid 12144] <... futex resumed>) = 0 [pid 12155] <... bpf resumed>) = 9 [pid 12155] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12153] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12144] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12155] <... futex resumed>) = 0 [pid 12153] <... futex resumed>) = 1 [pid 12141] <... futex resumed>) = 0 [pid 12155] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12153] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12156] munmap(0x7fb91de38000, 138412032) = 0 [pid 12156] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 169.995572][T12151] loop1: detected capacity change from 0 to 256 [ 169.998695][T12152] loop4: detected capacity change from 0 to 256 [ 170.007635][T12151] exfat: Bad value for 'uid' [ 170.010614][T12152] exfat: Bad value for 'uid' [pid 12156] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12156] close(3) = 0 [pid 12156] close(4) = 0 [pid 12156] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12156] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12156] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12156] ioctl(3, LOOP_CLR_FD [pid 12152] <... ioctl resumed>) = 0 [pid 12151] <... ioctl resumed>) = 0 [pid 12152] close(3 [pid 12151] close(3 [pid 12152] <... close resumed>) = 0 [pid 12151] <... close resumed>) = 0 [pid 12152] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12151] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = 1 [pid 12151] <... futex resumed>) = 1 [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12152] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12151] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12149] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12152] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12151] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12149] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12148] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12152] <... socket resumed>) = 3 [pid 12151] <... socket resumed>) = 3 [pid 12152] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12151] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = 1 [pid 12151] <... futex resumed>) = 1 [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12152] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12151] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12149] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12152] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12151] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12149] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12148] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12152] <... socket resumed>) = 4 [pid 12151] <... socket resumed>) = 4 [pid 12152] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12151] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = 1 [pid 12151] <... futex resumed>) = 1 [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12152] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12151] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12149] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12152] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12151] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12149] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12152] <... sendto resumed>) = 32 [pid 12151] <... sendto resumed>) = 32 [pid 12148] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12152] recvfrom(4, [pid 12151] recvfrom(4, [pid 12152] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12148}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12151] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12149}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12152] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12151] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = 1 [pid 12151] <... futex resumed>) = 1 [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12152] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12151] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12149] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12156] <... ioctl resumed>) = 0 [pid 12152] getsockname(4, [pid 12151] getsockname(4, [pid 12149] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12148] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] close(3 [pid 12152] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12148, nl_groups=00000000}, [116 => 12]) = 0 [pid 12151] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12149, nl_groups=00000000}, [116 => 12]) = 0 [pid 12156] <... close resumed>) = 0 [pid 12152] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12151] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = 1 [pid 12151] <... futex resumed>) = 1 [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12156] <... futex resumed>) = 1 [pid 12154] <... futex resumed>) = 0 [pid 12152] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12151] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12149] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12154] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12149] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12156] <... socket resumed>) = 3 [pid 12154] <... futex resumed>) = 0 [pid 12152] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x74\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12151] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x75\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12149] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12148] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] <... futex resumed>) = 0 [pid 12154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12156] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12154] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12156] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12154] <... futex resumed>) = 0 [pid 12156] <... socket resumed>) = 4 [pid 12154] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12156] <... futex resumed>) = 0 [pid 12154] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12154] <... futex resumed>) = 0 [ 170.042415][T12156] loop0: detected capacity change from 0 to 256 [ 170.050879][T12156] exfat: Bad value for 'uid' [pid 12156] <... sendto resumed>) = 32 [pid 12154] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12154}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12156] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12154] <... futex resumed>) = 0 [pid 12156] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12154] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12154] <... futex resumed>) = 0 [pid 12156] getsockname(4, [pid 12154] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12156] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12154, nl_groups=00000000}, [116 => 12]) = 0 [pid 12156] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12154] <... futex resumed>) = 0 [pid 12156] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12154] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12154] <... futex resumed>) = 0 [pid 12156] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x7a\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12154] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12145] <... sendmsg resumed>) = 64 [pid 12142] <... sendmsg resumed>) = 64 [pid 12145] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12145] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12142] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12142] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] exit_group(0 [pid 12153] <... futex resumed>) = ? [pid 12142] <... futex resumed>) = ? [pid 12141] <... exit_group resumed>) = ? [pid 12153] +++ exited with 0 +++ [pid 12144] exit_group(0 [pid 12142] +++ exited with 0 +++ [pid 12155] <... futex resumed>) = ? [pid 12145] <... futex resumed>) = ? [pid 12144] <... exit_group resumed>) = ? [pid 12155] +++ exited with 0 +++ [pid 12145] +++ exited with 0 +++ [pid 12149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12149] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12149] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12148] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12160 attached => {parent_tid=[12160]}, 88) = 12160 [pid 12148] <... futex resumed>) = 0 [pid 12149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12149] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12149] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12148] <... mmap resumed>) = 0x7fb926217000 [pid 12160] set_robust_list(0x7fb9262379a0, 24 [pid 12148] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12160] <... set_robust_list resumed>) = 0 [pid 12160] rt_sigprocmask(SIG_SETMASK, [], [pid 12148] <... mprotect resumed>) = 0 [pid 12160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12160] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12160] <... futex resumed>) = 1 [pid 12149] <... futex resumed>) = 0 [pid 12160] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12149] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12160] <... bpf resumed>) = 0 [pid 12149] <... futex resumed>) = 0 [pid 12148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12160] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12149] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12160] <... futex resumed>) = 0 [pid 12149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12149] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12161 attached ) = 0 [pid 12161] set_robust_list(0x7fb9262379a0, 24 [pid 12149] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12148] <... clone3 resumed> => {parent_tid=[12161]}, 88) = 12161 [pid 12161] <... set_robust_list resumed>) = 0 [pid 12160] <... bpf resumed>) = 6 [pid 12161] rt_sigprocmask(SIG_SETMASK, [], [pid 12160] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] rt_sigprocmask(SIG_SETMASK, [], [pid 12161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12160] <... futex resumed>) = 1 [pid 12149] <... futex resumed>) = 0 [pid 12161] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12160] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12149] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12149] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12148] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12161] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 1 [pid 12161] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12148] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12161] <... bpf resumed>) = 5 [pid 12161] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12148] <... futex resumed>) = 0 [pid 12161] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12148] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12148] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12161] <... bpf resumed>) = 0 [pid 12161] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12161] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12148] <... futex resumed>) = 0 [pid 12161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12148] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12148] <... futex resumed>) = 0 [pid 12148] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12161] <... bpf resumed>) = 6 [pid 12161] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12148] <... futex resumed>) = 0 [pid 12161] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12148] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12148] <... futex resumed>) = 0 [pid 12161] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12148] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12154] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12154] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12154] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12162 attached => {parent_tid=[12162]}, 88) = 12162 [pid 12154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12162] set_robust_list(0x7fb9262379a0, 24 [pid 12154] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12154] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12162] <... set_robust_list resumed>) = 0 [pid 12162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12162] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12154] <... futex resumed>) = 0 [pid 12162] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12154] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12162] <... bpf resumed>) = 0 [pid 12154] <... futex resumed>) = 0 [pid 12162] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12162] <... futex resumed>) = 0 [pid 12154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12154] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12162] <... bpf resumed>) = 6 [pid 12154] <... futex resumed>) = 0 [pid 12162] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12162] <... futex resumed>) = 0 [pid 12154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12162] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12154] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12154] <... futex resumed>) = 0 [pid 12162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12154] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12152] <... sendmsg resumed>) = 64 [pid 12152] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12152] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12141] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12141, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 12144] +++ exited with 0 +++ [pid 299] <... restart_syscall resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12163 ./strace-static-x86_64: Process 12163 attached [pid 12163] set_robust_list(0x5555555916a0, 24) = 0 [pid 12163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12163] setpgid(0, 0) = 0 [pid 12163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12163] write(3, "1000", 4) = 4 [pid 12163] close(3) = 0 [pid 12163] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12163] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, ./strace-static-x86_64: Process 12164 attached NULL, 8) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12164 [pid 12163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12163] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12163] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12165 attached [pid 12164] set_robust_list(0x5555555916a0, 24 [pid 12165] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12165] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12164] <... set_robust_list resumed>) = 0 [pid 12164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12164] setpgid(0, 0) = 0 [pid 12164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12163] <... clone3 resumed> => {parent_tid=[12165]}, 88) = 12165 [pid 12164] <... openat resumed>) = 3 [pid 12164] write(3, "1000", 4 [pid 12163] rt_sigprocmask(SIG_SETMASK, [], [pid 12164] <... write resumed>) = 4 [pid 12164] close(3) = 0 [pid 12164] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12164] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12164] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12164] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12163] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12162] <... bpf resumed>) = 7 [pid 12161] <... bpf resumed>) = 7 [pid 12160] <... bpf resumed>) = 7 [pid 12160] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] <... futex resumed>) = 1 [pid 12160] <... futex resumed>) = 1 [pid 12149] <... futex resumed>) = 0 [pid 12162] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12161] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12160] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12149] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12149] <... futex resumed>) = 0 [pid 12160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12149] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12162] <... futex resumed>) = 1 [pid 12161] <... futex resumed>) = 1 [pid 12154] <... futex resumed>) = 0 [pid 12162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12161] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12154] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12162] <... bpf resumed>) = 8 [pid 12160] <... bpf resumed>) = 8 [pid 12154] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 0 [pid 12162] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12148] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12160] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12162] <... futex resumed>) = 0 [pid 12154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12152] <... futex resumed>) = 0 [pid 12148] <... futex resumed>) = 1 [pid 12162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12154] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12162] <... bpf resumed>) = 9 [pid 12160] <... futex resumed>) = 1 [pid 12154] <... futex resumed>) = 0 [pid 12149] <... futex resumed>) = 0 [pid 12148] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12162] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12154] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12162] <... futex resumed>) = 0 [pid 12154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12162] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12165] <... futex resumed>) = 0 [pid 12165] memfd_create("syzkaller", 0) = 3 [pid 12165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12152] <... bpf resumed>) = 8 [pid 12149] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12149] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12152] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12160] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12152] <... futex resumed>) = 1 [pid 12148] <... futex resumed>) = 0 [pid 12160] <... bpf resumed>) = 9 [pid 12152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12148] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12152] <... bpf resumed>) = 9 [pid 12148] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12152] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12160] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12160] <... futex resumed>) = 1 [pid 12152] <... futex resumed>) = 0 [pid 12149] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12166 attached [pid 12164] <... clone3 resumed> => {parent_tid=[12166]}, 88) = 12166 [pid 12160] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12152] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12148] exit_group(0 [pid 12161] <... futex resumed>) = ? [pid 12148] <... exit_group resumed>) = ? [pid 12164] rt_sigprocmask(SIG_SETMASK, [], [pid 12161] +++ exited with 0 +++ [pid 12152] <... futex resumed>) = ? [pid 12164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12165] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12164] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12152] +++ exited with 0 +++ [pid 12166] set_robust_list(0x7fb9262589a0, 24 [pid 12148] +++ exited with 0 +++ [pid 12164] <... futex resumed>) = 0 [pid 12165] munmap(0x7fb91de38000, 138412032 [pid 12164] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12148, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12166] <... set_robust_list resumed>) = 0 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 12165] <... munmap resumed>) = 0 [pid 12166] rt_sigprocmask(SIG_SETMASK, [], [pid 12165] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12151] <... sendmsg resumed>) = 64 [pid 300] <... restart_syscall resumed>) = 0 [pid 12151] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12151] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3 [pid 12166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12165] <... openat resumed>) = 4 [pid 12156] <... sendmsg resumed>) = 64 [pid 300] <... close resumed>) = 0 [pid 12156] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12149] exit_group(0 [pid 12160] <... futex resumed>) = ? [pid 12156] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12149] <... exit_group resumed>) = ? [pid 12160] +++ exited with 0 +++ [pid 12151] <... futex resumed>) = ? [pid 12154] exit_group(0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12166] memfd_create("syzkaller", 0 [pid 12154] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 12167 attached [pid 12166] <... memfd_create resumed>) = 3 [pid 12165] ioctl(4, LOOP_SET_FD, 3 [pid 12162] <... futex resumed>) = ? [pid 12156] <... futex resumed>) = ? [pid 12162] +++ exited with 0 +++ [pid 12167] set_robust_list(0x5555555916a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12167 [pid 12167] <... set_robust_list resumed>) = 0 [pid 12167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12167] setpgid(0, 0) = 0 [pid 12167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12167] write(3, "1000", 4) = 4 [pid 12167] close(3) = 0 [pid 12167] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12167] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12167] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12167] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12165] <... ioctl resumed>) = 0 [pid 12166] <... mmap resumed>) = 0x7fb91de38000 [pid 12165] close(3 [pid 12167] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12168]}, 88) = 12168 [pid 12167] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12168 attached NULL, 8) = 0 [pid 12166] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12165] <... close resumed>) = 0 [pid 12167] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] <... write resumed>) = 131072 [pid 12165] close(4 [pid 12168] set_robust_list(0x7fb9262589a0, 24 [pid 12167] <... futex resumed>) = 0 [pid 12166] munmap(0x7fb91de38000, 138412032 [pid 12165] <... close resumed>) = 0 [pid 12167] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12168] <... set_robust_list resumed>) = 0 [pid 12168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12168] memfd_create("syzkaller", 0) = 3 [pid 12168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12151] +++ exited with 0 +++ [pid 12149] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12149, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 12156] +++ exited with 0 +++ [pid 12165] mkdir("./file0", 0777 [pid 12154] +++ exited with 0 +++ [pid 12168] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12166] <... munmap resumed>) = 0 [pid 12165] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 297] <... restart_syscall resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12166] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12165] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 12166] <... openat resumed>) = 4 [pid 294] <... restart_syscall resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] <... openat resumed>) = 3 [pid 297] close(3 [pid 294] ioctl(3, LOOP_CLR_FD [pid 297] <... close resumed>) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] close(3) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12169 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12170 [pid 12165] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12166] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 12169 attached [pid 12169] set_robust_list(0x5555555916a0, 24) = 0 [pid 12169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12169] setpgid(0, 0) = 0 [pid 12169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12169] write(3, "1000", 4) = 4 [pid 12169] close(3) = 0 [pid 12169] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12169] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12169] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12169] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12171]}, 88) = 12171 [pid 12169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12169] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12165] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12165] ioctl(3, LOOP_CLR_FD [pid 12169] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12171 attached [pid 12171] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12171] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12171] memfd_create("syzkaller", 0) = 3 [pid 12171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12168] <... write resumed>) = 131072 [pid 12168] munmap(0x7fb91de38000, 138412032 [pid 12166] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 12170 attached [pid 12170] set_robust_list(0x5555555916a0, 24 [pid 12168] <... munmap resumed>) = 0 [pid 12166] close(3 [pid 12170] <... set_robust_list resumed>) = 0 [pid 12168] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12166] <... close resumed>) = 0 [pid 12170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12168] <... openat resumed>) = 4 [pid 12166] close(4 [pid 12170] <... prctl resumed>) = 0 [pid 12168] ioctl(4, LOOP_SET_FD, 3 [pid 12166] <... close resumed>) = 0 [pid 12171] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12166] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12171] <... write resumed>) = 131072 [pid 12171] munmap(0x7fb91de38000, 138412032) = 0 [pid 12171] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12171] ioctl(4, LOOP_SET_FD, 3 [pid 12170] setpgid(0, 0 [pid 12168] <... ioctl resumed>) = 0 [pid 12166] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12171] <... ioctl resumed>) = 0 [pid 12170] <... setpgid resumed>) = 0 [pid 12168] close(3 [pid 12170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12170] write(3, "1000", 4) = 4 [pid 12170] close(3) = 0 [pid 12170] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12170] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 170.215397][T12165] loop2: detected capacity change from 0 to 256 [ 170.229576][T12165] exfat: Bad value for 'uid' [ 170.234326][T12166] loop3: detected capacity change from 0 to 256 [ 170.250688][T12168] loop4: detected capacity change from 0 to 256 [ 170.252409][T12171] loop1: detected capacity change from 0 to 256 [pid 12170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12170] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12170] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12165] <... ioctl resumed>) = 0 [pid 12165] close(3 [pid 12170] <... clone3 resumed> => {parent_tid=[12172]}, 88) = 12172 [pid 12170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12170] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12170] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12166] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12165] <... close resumed>) = 0 [pid 12166] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12166] ioctl(3, LOOP_CLR_FD [pid 12168] <... close resumed>) = 0 [pid 12168] close(4) = 0 [pid 12168] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12168] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12165] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12163] <... futex resumed>) = 0 [pid 12165] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] close(3 [pid 12165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12163] <... futex resumed>) = 0 [pid 12171] <... close resumed>) = 0 [pid 12165] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12163] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12171] close(4 [pid 12165] <... socket resumed>) = 3 [pid 12165] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12163] <... futex resumed>) = 0 [pid 12165] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12163] <... futex resumed>) = 0 [pid 12165] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12163] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12165] <... socket resumed>) = 4 [pid 12165] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12163] <... futex resumed>) = 0 [pid 12165] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12163] <... futex resumed>) = 0 [pid 12165] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12163] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12165] <... sendto resumed>) = 32 [pid 12165] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12163}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12171] <... close resumed>) = 0 [pid 12165] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] mkdir("./file0", 0777 [pid 12165] <... futex resumed>) = 1 [pid 12163] <... futex resumed>) = 0 [pid 12171] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12165] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12163] <... futex resumed>) = 0 [pid 12165] getsockname(4, [pid 12163] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12165] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12163, nl_groups=00000000}, [116 => 12]) = 0 [pid 12165] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12168] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12168] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12168] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12172 attached [pid 12172] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12172] memfd_create("syzkaller", 0) = 3 [pid 12172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12172] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12165] <... futex resumed>) = 1 [pid 12163] <... futex resumed>) = 0 [pid 12171] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12165] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12171] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12163] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12171] <... openat resumed>) = 3 [pid 12165] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x83\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12171] ioctl(3, LOOP_CLR_FD [pid 12172] <... write resumed>) = 131072 [pid 12172] munmap(0x7fb91de38000, 138412032) = 0 [pid 12172] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12172] ioctl(4, LOOP_SET_FD, 3 [pid 12171] <... ioctl resumed>) = 0 [pid 12171] close(3) = 0 [pid 12171] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12171] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12169] <... futex resumed>) = 0 [pid 12166] <... ioctl resumed>) = 0 [pid 12169] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12169] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12166] close(3) = 0 [pid 12171] <... futex resumed>) = 0 [pid 12172] <... ioctl resumed>) = 0 [pid 12172] close(3) = 0 [pid 12172] close(4) = 0 [pid 12172] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12172] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12171] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12166] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12172] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12172] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12172] ioctl(3, LOOP_CLR_FD [pid 12171] <... socket resumed>) = 3 [pid 12166] <... futex resumed>) = 1 [pid 12164] <... futex resumed>) = 0 [pid 12171] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12164] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] <... futex resumed>) = 1 [pid 12169] <... futex resumed>) = 0 [pid 12166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12164] <... futex resumed>) = 0 [pid 12171] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12169] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12164] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12169] <... futex resumed>) = 0 [pid 12166] <... socket resumed>) = 3 [pid 12171] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12169] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12166] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] <... socket resumed>) = 4 [pid 12166] <... futex resumed>) = 1 [pid 12164] <... futex resumed>) = 0 [pid 12171] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12164] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] <... futex resumed>) = 1 [pid 12169] <... futex resumed>) = 0 [pid 12166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12164] <... futex resumed>) = 0 [pid 12171] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12169] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12169] <... futex resumed>) = 0 [pid 12164] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12171] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12169] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12166] <... socket resumed>) = 4 [pid 12171] <... sendto resumed>) = 32 [pid 12166] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12169}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12166] <... futex resumed>) = 1 [pid 12164] <... futex resumed>) = 0 [pid 12171] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12164] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] <... futex resumed>) = 1 [pid 12169] <... futex resumed>) = 0 [pid 12166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12164] <... futex resumed>) = 0 [pid 12171] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12169] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12171] getsockname(4, [pid 12166] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12171] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12169, nl_groups=00000000}, [116 => 12]) = 0 [pid 12169] <... futex resumed>) = 0 [pid 12164] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12171] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12171] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12169] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12166] <... sendto resumed>) = 32 [pid 12169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12166] recvfrom(4, [pid 12169] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12164}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12171] <... futex resumed>) = 0 [pid 12169] <... futex resumed>) = 1 [pid 12166] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12171] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x89\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12169] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12166] <... futex resumed>) = 1 [pid 12164] <... futex resumed>) = 0 [pid 12166] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12164] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12164] <... futex resumed>) = 0 [pid 12166] getsockname(4, [pid 12164] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12166] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12164, nl_groups=00000000}, [116 => 12]) = 0 [pid 12166] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12168] <... ioctl resumed>) = 0 [pid 12164] <... futex resumed>) = 0 [pid 12168] close(3 [pid 12166] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12164] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12168] <... close resumed>) = 0 [pid 12166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12164] <... futex resumed>) = 0 [pid 12168] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12166] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x84\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12164] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12168] <... futex resumed>) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12168] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12167] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12167] <... futex resumed>) = 0 [pid 12168] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12167] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12168] <... socket resumed>) = 3 [pid 12168] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12168] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12167] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12167] <... futex resumed>) = 0 [pid 12168] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12167] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12168] <... socket resumed>) = 4 [pid 12168] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12168] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12167] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12167] <... futex resumed>) = 0 [pid 12168] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12167] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12168] <... sendto resumed>) = 32 [pid 12168] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12167}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12168] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12168] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12167] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12167] <... futex resumed>) = 0 [pid 12168] getsockname(4, [pid 12167] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12168] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12167, nl_groups=00000000}, [116 => 12]) = 0 [pid 12168] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12168] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12167] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12167] <... futex resumed>) = 0 [pid 12168] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x87\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12167] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12163] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 170.260605][T12166] exfat: Bad value for 'uid' [ 170.273264][T12168] exfat: Bad value for 'uid' [ 170.281610][T12171] exfat: Bad value for 'uid' [ 170.289995][T12172] loop0: detected capacity change from 0 to 256 [ 170.299675][T12172] exfat: Bad value for 'uid' [pid 12163] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12172] <... ioctl resumed>) = 0 [pid 12172] close(3 [pid 12163] <... futex resumed>) = 0 [pid 12172] <... close resumed>) = 0 [pid 12163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12172] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12170] <... futex resumed>) = 0 [pid 12163] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12172] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12170] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] <... mprotect resumed>) = 0 [pid 12170] <... futex resumed>) = 0 [pid 12163] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12172] <... socket resumed>) = 3 [pid 12172] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12170] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12163] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12172] <... futex resumed>) = 0 [pid 12163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12170] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12172] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE./strace-static-x86_64: Process 12177 attached [pid 12170] <... futex resumed>) = 0 [pid 12172] <... socket resumed>) = 4 [pid 12163] <... clone3 resumed> => {parent_tid=[12177]}, 88) = 12177 [pid 12170] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12163] rt_sigprocmask(SIG_SETMASK, [], [pid 12177] set_robust_list(0x7fb9262379a0, 24 [pid 12172] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12170] <... futex resumed>) = 0 [pid 12177] <... set_robust_list resumed>) = 0 [pid 12177] rt_sigprocmask(SIG_SETMASK, [], [pid 12172] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12170] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12170] <... futex resumed>) = 0 [pid 12163] <... futex resumed>) = 0 [pid 12163] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12170] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12172] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 12172] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12170}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12177] <... bpf resumed>) = 5 [pid 12177] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12177] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12172] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] <... futex resumed>) = 0 [pid 12172] <... futex resumed>) = 1 [pid 12170] <... futex resumed>) = 0 [pid 12163] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12172] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12170] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] <... futex resumed>) = 1 [pid 12172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12170] <... futex resumed>) = 0 [pid 12163] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12172] getsockname(4, [pid 12170] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12177] <... futex resumed>) = 0 [pid 12172] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12170, nl_groups=00000000}, [116 => 12]) = 0 [pid 12177] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12177] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12163] <... futex resumed>) = 0 [pid 12172] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12172] <... futex resumed>) = 1 [pid 12170] <... futex resumed>) = 0 [pid 12163] <... futex resumed>) = 0 [pid 12172] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12170] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12170] <... futex resumed>) = 0 [pid 12172] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x8a\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12170] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12177] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12177] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] <... futex resumed>) = 0 [pid 12163] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12177] <... futex resumed>) = 0 [pid 12163] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12177] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12163] <... futex resumed>) = 0 [pid 12177] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12163] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12163] <... futex resumed>) = 0 [pid 12169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12169] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12169] <... futex resumed>) = 0 [pid 12169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12169] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12169] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12179]}, 88) = 12179 ./strace-static-x86_64: Process 12179 attached [pid 12177] <... bpf resumed>) = 8 [pid 12169] rt_sigprocmask(SIG_SETMASK, [], [pid 12179] set_robust_list(0x7fb9262379a0, 24 [pid 12177] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12179] <... set_robust_list resumed>) = 0 [pid 12177] <... futex resumed>) = 1 [pid 12169] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12164] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] <... futex resumed>) = 0 [pid 12179] rt_sigprocmask(SIG_SETMASK, [], [pid 12177] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12164] <... futex resumed>) = 0 [pid 12179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12164] <... mmap resumed>) = 0x7fb926217000 [pid 12179] <... bpf resumed>) = 5 [pid 12169] <... futex resumed>) = 0 [pid 12164] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12163] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12169] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12164] <... mprotect resumed>) = 0 [pid 12163] <... futex resumed>) = 1 [pid 12177] <... futex resumed>) = 0 [pid 12179] <... futex resumed>) = 0 [pid 12169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12163] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12179] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12169] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12164] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12179] <... bpf resumed>) = 0 [pid 12164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12177] <... bpf resumed>) = 9 [pid 12169] <... futex resumed>) = 0 [pid 12179] <... futex resumed>) = 0 [pid 12177] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12169] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12164] <... clone3 resumed> => {parent_tid=[12180]}, 88) = 12180 ./strace-static-x86_64: Process 12180 attached [pid 12179] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12164] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12164] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12177] <... futex resumed>) = 1 [pid 12169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12163] <... futex resumed>) = 0 [pid 12180] set_robust_list(0x7fb9262379a0, 24 [pid 12177] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12169] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] <... set_robust_list resumed>) = 0 [pid 12179] <... futex resumed>) = 0 [pid 12169] <... futex resumed>) = 1 [pid 12169] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12180] rt_sigprocmask(SIG_SETMASK, [], [pid 12179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12179] <... bpf resumed>) = 6 [pid 12179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] <... futex resumed>) = 1 [pid 12179] <... futex resumed>) = 1 [pid 12169] <... futex resumed>) = 0 [pid 12164] <... futex resumed>) = 0 [pid 12179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12169] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12164] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12179] <... bpf resumed>) = 7 [pid 12169] <... futex resumed>) = 0 [pid 12164] <... futex resumed>) = 0 [pid 12179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12169] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12164] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12179] <... futex resumed>) = 0 [pid 12169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12179] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 12169] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12169] <... futex resumed>) = 0 [pid 12180] <... bpf resumed>) = 0 [pid 12169] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12164] <... futex resumed>) = 0 [pid 12180] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12179] <... bpf resumed>) = 8 [pid 12164] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12164] <... futex resumed>) = 0 [pid 12179] <... futex resumed>) = 1 [pid 12169] <... futex resumed>) = 0 [pid 12164] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12169] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12169] <... futex resumed>) = 0 [pid 12179] <... bpf resumed>) = 9 [pid 12169] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12179] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12169] <... futex resumed>) = 0 [pid 12179] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12180] <... bpf resumed>) = 6 [pid 12180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12164] <... futex resumed>) = 0 [pid 12180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12164] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] <... bpf resumed>) = 7 [pid 12164] <... futex resumed>) = 0 [pid 12180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12167] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12164] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12180] <... futex resumed>) = 0 [pid 12167] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12180] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12167] <... futex resumed>) = 0 [pid 12164] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12164] <... futex resumed>) = 0 [pid 12180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12167] <... mmap resumed>) = 0x7fb926217000 [pid 12164] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12167] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12167] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12181]}, 88) = 12181 [pid 12167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12180] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 12181 attached [pid 12181] set_robust_list(0x7fb9262379a0, 24 [pid 12180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12167] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12181] <... set_robust_list resumed>) = 0 [pid 12180] <... futex resumed>) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12164] <... futex resumed>) = 0 [pid 12181] rt_sigprocmask(SIG_SETMASK, [], [pid 12180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12167] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12164] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12180] <... bpf resumed>) = 9 [pid 12164] <... futex resumed>) = 0 [pid 12181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12180] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12165] <... sendmsg resumed>) = 64 [pid 12164] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12181] <... bpf resumed>) = 5 [pid 12180] <... futex resumed>) = 0 [pid 12165] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12181] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12180] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12165] <... futex resumed>) = 0 [pid 12181] <... futex resumed>) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12165] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12181] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12167] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12181] <... bpf resumed>) = 0 [pid 12167] <... futex resumed>) = 0 [pid 12163] exit_group(0 [pid 12181] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12177] <... futex resumed>) = ? [pid 12167] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12165] <... futex resumed>) = ? [pid 12163] <... exit_group resumed>) = ? [pid 12181] <... futex resumed>) = 0 [pid 12177] +++ exited with 0 +++ [pid 12167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12165] +++ exited with 0 +++ [pid 12181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12167] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12163] +++ exited with 0 +++ [pid 12167] <... futex resumed>) = 0 [pid 12167] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12163, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12181] <... bpf resumed>) = 6 [pid 298] ioctl(3, LOOP_CLR_FD [pid 12181] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12182 ./strace-static-x86_64: Process 12182 attached [pid 12182] set_robust_list(0x5555555916a0, 24) = 0 [pid 12182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12182] setpgid(0, 0) = 0 [pid 12182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12182] write(3, "1000", 4) = 4 [pid 12182] close(3) = 0 [pid 12182] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12182] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12181] <... futex resumed>) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12167] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12167] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12181] <... bpf resumed>) = 7 [pid 12182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12181] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12167] <... futex resumed>) = 0 [pid 12167] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12167] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12181] <... futex resumed>) = 1 [pid 12182] <... mmap resumed>) = 0x7fb926238000 [ 170.338116][ T1850] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 12181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12182] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12182] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12181] <... bpf resumed>) = 8 [pid 12181] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12167] <... futex resumed>) = 0 [pid 12181] <... futex resumed>) = 1 [pid 12167] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12167] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12182] <... clone3 resumed> => {parent_tid=[12183]}, 88) = 12183 [pid 12181] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12182] rt_sigprocmask(SIG_SETMASK, [], [pid 12181] <... futex resumed>) = 1 [pid 12167] <... futex resumed>) = 0 [pid 12182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12181] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12183 attached [pid 12182] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] set_robust_list(0x7fb9262589a0, 24 [pid 12182] <... futex resumed>) = 0 [pid 12183] <... set_robust_list resumed>) = 0 [pid 12183] rt_sigprocmask(SIG_SETMASK, [], [pid 12182] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12183] memfd_create("syzkaller", 0) = 3 [pid 12183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12183] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12170] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12183] munmap(0x7fb91de38000, 138412032 [pid 12170] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12183] <... munmap resumed>) = 0 [pid 12170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12183] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12170] <... mmap resumed>) = 0x7fb926217000 [pid 12183] <... openat resumed>) = 4 [pid 12170] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12183] ioctl(4, LOOP_SET_FD, 3 [pid 12170] <... mprotect resumed>) = 0 [pid 12170] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12184]}, 88) = 12184 [pid 12170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12170] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12170] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12184 attached [pid 12183] <... ioctl resumed>) = 0 [pid 12183] close(3) = 0 [pid 12183] close(4 [pid 12184] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12183] <... close resumed>) = 0 [pid 12184] <... bpf resumed>) = 5 [pid 12183] mkdir("./file0", 0777 [pid 12184] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12184] <... futex resumed>) = 1 [pid 12170] <... futex resumed>) = 0 [pid 12184] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12170] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12184] <... bpf resumed>) = 0 [pid 12170] <... futex resumed>) = 0 [pid 12184] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12170] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 12184] <... futex resumed>) = 0 [pid 12170] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12170] <... futex resumed>) = 0 [pid 12183] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12170] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12184] <... bpf resumed>) = 6 [pid 12184] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12184] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12170] <... futex resumed>) = 0 [pid 12170] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12184] <... futex resumed>) = 0 [pid 12183] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12170] <... futex resumed>) = 1 [pid 12183] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12170] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12183] <... openat resumed>) = 3 [pid 12183] ioctl(3, LOOP_CLR_FD [pid 12184] <... bpf resumed>) = 7 [pid 12184] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12170] <... futex resumed>) = 0 [pid 12170] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12170] <... futex resumed>) = 0 [pid 12170] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12184] <... bpf resumed>) = 8 [pid 12184] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12170] <... futex resumed>) = 0 [pid 12170] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12170] <... futex resumed>) = 0 [pid 12170] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12184] <... bpf resumed>) = 9 [pid 12184] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12170] <... futex resumed>) = 0 [pid 12184] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12168] <... sendmsg resumed>) = 64 [pid 12183] <... ioctl resumed>) = 0 [pid 12171] <... sendmsg resumed>) = 64 [pid 12168] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12167] exit_group(0 [pid 12166] <... sendmsg resumed>) = 64 [pid 12183] close(3 [pid 12181] <... futex resumed>) = ? [pid 12171] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12168] <... futex resumed>) = ? [pid 12167] <... exit_group resumed>) = ? [pid 12166] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12164] exit_group(0 [pid 12183] <... close resumed>) = 0 [pid 12181] +++ exited with 0 +++ [pid 12180] <... futex resumed>) = ? [pid 12164] <... exit_group resumed>) = ? [pid 12180] +++ exited with 0 +++ [pid 12169] exit_group(0 [pid 12179] <... futex resumed>) = ? [pid 12169] <... exit_group resumed>) = ? [pid 12179] +++ exited with 0 +++ [pid 12171] <... futex resumed>) = ? [pid 12171] +++ exited with 0 +++ [pid 12169] +++ exited with 0 +++ [pid 12166] <... futex resumed>) = ? [pid 12183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12182] <... futex resumed>) = 0 [pid 12168] +++ exited with 0 +++ [pid 12167] +++ exited with 0 +++ [pid 12183] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12182] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12169, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12182] <... futex resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12167, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 12183] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12182] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12183] <... socket resumed>) = 3 [pid 297] <... restart_syscall resumed>) = 0 [pid 12183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 12183] <... futex resumed>) = 1 [pid 12182] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 12183] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12182] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12183] <... socket resumed>) = 4 [pid 12182] <... futex resumed>) = 0 [pid 300] close(3 [pid 297] <... openat resumed>) = 3 [pid 12183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12182] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... close resumed>) = 0 [pid 297] ioctl(3, LOOP_CLR_FD [pid 12183] <... futex resumed>) = 0 [pid 12182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12183] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12182] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12182] <... futex resumed>) = 0 [pid 297] close(3 [pid 12183] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12182] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12185 [pid 297] <... close resumed>) = 0 [pid 12183] <... sendto resumed>) = 32 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 170.409746][T12183] loop2: detected capacity change from 0 to 256 [ 170.424146][T12183] exfat: Bad value for 'uid' [pid 12183] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12182}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12182] <... futex resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12186 [pid 12183] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12182] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12182] <... futex resumed>) = 0 [pid 12183] getsockname(4, [pid 12182] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12183] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12182, nl_groups=00000000}, [116 => 12]) = 0 [pid 12183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12182] <... futex resumed>) = 0 [pid 12183] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12182] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12182] <... futex resumed>) = 0 [pid 12183] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x96\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12182] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12186 attached [pid 12186] set_robust_list(0x5555555916a0, 24) = 0 [pid 12186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12186] setpgid(0, 0) = 0 [pid 12186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12186] write(3, "1000", 4) = 4 [pid 12186] close(3) = 0 ./strace-static-x86_64: Process 12185 attached [pid 12186] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12185] set_robust_list(0x5555555916a0, 24 [pid 12186] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12185] <... set_robust_list resumed>) = 0 [pid 12186] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12185] <... prctl resumed>) = 0 [pid 12186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12185] setpgid(0, 0 [pid 12186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12185] <... setpgid resumed>) = 0 [pid 12186] <... mmap resumed>) = 0x7fb926238000 [pid 12185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12186] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12185] <... openat resumed>) = 3 [pid 12186] <... mprotect resumed>) = 0 [pid 12185] write(3, "1000", 4) = 4 [pid 12186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12185] close(3 [pid 12186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12185] <... close resumed>) = 0 [pid 12186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12185] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12186] <... clone3 resumed> => {parent_tid=[12188]}, 88) = 12188 [pid 12186] rt_sigprocmask(SIG_SETMASK, [], [pid 12185] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12185] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12186] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12186] <... futex resumed>) = 0 [pid 12185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12186] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 12188 attached ) = 0x7fb926238000 [pid 12188] set_robust_list(0x7fb9262589a0, 24 [pid 12185] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12166] +++ exited with 0 +++ [pid 12185] <... mprotect resumed>) = 0 [pid 12164] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12164, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12188] <... set_robust_list resumed>) = 0 [pid 12188] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... openat resumed>) = 3 [pid 12185] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] ioctl(3, LOOP_CLR_FD [pid 12185] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 299] close(3 [pid 12188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] <... close resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12188] memfd_create("syzkaller", 0) = 3 [pid 12188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12189 [pid 12172] <... sendmsg resumed>) = 64 [pid 12185] <... clone3 resumed> => {parent_tid=[12190]}, 88) = 12190 [pid 12172] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12190 attached [pid 12185] rt_sigprocmask(SIG_SETMASK, [], [pid 12172] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12189 attached [pid 12190] set_robust_list(0x7fb9262589a0, 24 [pid 12188] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12172] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12185] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12185] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12190] <... set_robust_list resumed>) = 0 [pid 12189] set_robust_list(0x5555555916a0, 24 [pid 12190] rt_sigprocmask(SIG_SETMASK, [], [pid 12189] <... set_robust_list resumed>) = 0 [pid 12188] <... write resumed>) = 131072 [pid 12170] exit_group(0 [pid 12184] <... futex resumed>) = ? [pid 12172] <... futex resumed>) = ? [pid 12170] <... exit_group resumed>) = ? [pid 12184] +++ exited with 0 +++ [pid 12172] +++ exited with 0 +++ [pid 12170] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12190] memfd_create("syzkaller", 0) = 3 [pid 12190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12191 [pid 12189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12189] setpgid(0, 0) = 0 [pid 12189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12189] write(3, "1000", 4) = 4 [pid 12188] munmap(0x7fb91de38000, 138412032 [pid 12190] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12189] close(3 [pid 12188] <... munmap resumed>) = 0 [pid 12189] <... close resumed>) = 0 [pid 12188] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 12191 attached [pid 12189] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] <... openat resumed>) = 4 [pid 12191] set_robust_list(0x5555555916a0, 24) = 0 [pid 12191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12189] <... futex resumed>) = 0 [pid 12188] ioctl(4, LOOP_SET_FD, 3 [pid 12191] <... prctl resumed>) = 0 [pid 12191] setpgid(0, 0) = 0 [pid 12191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12189] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12191] <... openat resumed>) = 3 [pid 12191] write(3, "1000", 4) = 4 [pid 12191] close(3) = 0 [pid 12191] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12191] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12191] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12191] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12192]}, 88) = 12192 [pid 12191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12191] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12191] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12192 attached [pid 12192] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12192] memfd_create("syzkaller", 0) = 3 [pid 12192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12192] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12192] munmap(0x7fb91de38000, 138412032) = 0 [pid 12192] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12192] ioctl(4, LOOP_SET_FD, 3 [pid 12190] <... write resumed>) = 131072 [pid 12189] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12188] <... ioctl resumed>) = 0 [pid 12189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12190] munmap(0x7fb91de38000, 138412032 [pid 12189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12190] <... munmap resumed>) = 0 [pid 12189] <... mmap resumed>) = 0x7fb926238000 [pid 12190] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12189] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12190] <... openat resumed>) = 4 [pid 12189] <... mprotect resumed>) = 0 [pid 12190] ioctl(4, LOOP_SET_FD, 3 [pid 12189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12192] <... ioctl resumed>) = 0 [pid 12189] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12188] close(3 [pid 12182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12182] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12182] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12182] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12193]}, 88) = 12193 [pid 12182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12182] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12182] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12192] close(3) = 0 [pid 12192] close(4 [pid 12188] <... close resumed>) = 0 [pid 12188] close(4 [pid 12192] <... close resumed>) = 0 [pid 12189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12193 attached [pid 12190] <... ioctl resumed>) = 0 [pid 12193] set_robust_list(0x7fb9262379a0, 24 [pid 12190] close(3 [pid 12189] <... clone3 resumed> => {parent_tid=[12194]}, 88) = 12194 [pid 12188] <... close resumed>) = 0 ./strace-static-x86_64: Process 12194 attached [pid 12193] <... set_robust_list resumed>) = 0 [pid 12192] mkdir("./file0", 0777 [pid 12190] <... close resumed>) = 0 [pid 12189] rt_sigprocmask(SIG_SETMASK, [], [pid 12188] mkdir("./file0", 0777 [pid 12189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12193] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12193] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12182] <... futex resumed>) = 0 [pid 12193] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12182] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12193] <... bpf resumed>) = 0 [pid 12193] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12193] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12182] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 12182] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12193] <... futex resumed>) = 0 [pid 12182] <... futex resumed>) = 1 [pid 12193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12182] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12190] close(4 [pid 12193] <... bpf resumed>) = 6 [pid 12190] <... close resumed>) = 0 [pid 12188] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12193] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12194] set_robust_list(0x7fb9262589a0, 24 [pid 12193] <... futex resumed>) = 1 [pid 12192] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12190] mkdir("./file0", 0777 [pid 12182] <... futex resumed>) = 0 [pid 12193] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12182] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12182] <... futex resumed>) = 0 [pid 12193] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12182] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12194] <... set_robust_list resumed>) = 0 [pid 12192] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12190] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12188] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12193] <... bpf resumed>) = 7 [pid 12194] rt_sigprocmask(SIG_SETMASK, [], [pid 12193] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12182] <... futex resumed>) = 0 [pid 12193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12182] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12193] <... bpf resumed>) = 8 [pid 12182] <... futex resumed>) = 0 [pid 12193] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12182] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12193] <... futex resumed>) = 0 [pid 12182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12193] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12182] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12182] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12194] memfd_create("syzkaller", 0) = 3 [pid 12194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12193] <... bpf resumed>) = 9 [pid 12192] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12190] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12188] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12194] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12193] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12192] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12192] ioctl(3, LOOP_CLR_FD [pid 12194] <... write resumed>) = 131072 [pid 12182] <... futex resumed>) = 0 [pid 12193] <... futex resumed>) = 1 [pid 12193] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12194] munmap(0x7fb91de38000, 138412032) = 0 [pid 12194] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12194] ioctl(4, LOOP_SET_FD, 3 [pid 12190] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12188] <... openat resumed>) = 3 [pid 12190] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12188] ioctl(3, LOOP_CLR_FD [pid 12190] <... openat resumed>) = 3 [pid 12190] ioctl(3, LOOP_CLR_FD [pid 12194] <... ioctl resumed>) = 0 [pid 12194] close(3) = 0 [pid 12194] close(4) = 0 [pid 12194] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 170.513747][T12188] loop1: detected capacity change from 0 to 256 [ 170.518029][T12192] loop0: detected capacity change from 0 to 256 [ 170.522118][T12190] loop4: detected capacity change from 0 to 256 [ 170.540555][T12188] exfat: Bad value for 'uid' [ 170.546158][T12192] exfat: Bad value for 'uid' [ 170.552772][T12190] exfat: Bad value for 'uid' [ 170.554196][T12194] loop3: detected capacity change from 0 to 256 [pid 12194] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12194] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12194] ioctl(3, LOOP_CLR_FD [pid 12192] <... ioctl resumed>) = 0 [pid 12192] close(3) = 0 [pid 12192] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12192] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12191] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12192] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12192] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12192] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12192] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12191] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12192] <... socket resumed>) = 4 [pid 12192] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12192] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12192] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12191] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12192] <... sendto resumed>) = 32 [pid 12192] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12191}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12192] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12192] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12192] getsockname(4, [pid 12191] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12192] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12191, nl_groups=00000000}, [116 => 12]) = 0 [pid 12192] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12192] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12192] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9f\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 170.565827][T12194] exfat: Bad value for 'uid' [pid 12191] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12190] <... ioctl resumed>) = 0 [pid 12188] <... ioctl resumed>) = 0 [pid 12183] <... sendmsg resumed>) = 64 [pid 12190] close(3 [pid 12188] close(3 [pid 12190] <... close resumed>) = 0 [pid 12183] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12190] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] <... close resumed>) = 0 [pid 12183] <... futex resumed>) = 0 [pid 12190] <... futex resumed>) = 1 [pid 12188] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12183] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12190] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12188] <... futex resumed>) = 1 [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12182] exit_group(0 [pid 12193] <... futex resumed>) = ? [pid 12190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12188] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12186] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12183] <... futex resumed>) = ? [pid 12182] <... exit_group resumed>) = ? [pid 12193] +++ exited with 0 +++ [pid 12190] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12183] +++ exited with 0 +++ [pid 12190] <... socket resumed>) = 3 [pid 12188] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12186] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12190] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] <... socket resumed>) = 3 [pid 12190] <... futex resumed>) = 1 [pid 12188] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12182] +++ exited with 0 +++ [pid 12190] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12188] <... futex resumed>) = 1 [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12182, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12188] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12186] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12190] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12190] <... socket resumed>) = 4 [pid 12188] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12186] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12190] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] <... socket resumed>) = 4 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12190] <... futex resumed>) = 1 [pid 12188] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12190] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12188] <... futex resumed>) = 1 [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... openat resumed>) = 3 [pid 12190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12188] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12186] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 12190] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12190] <... sendto resumed>) = 32 [pid 12188] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12186] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12190] recvfrom(4, [pid 12188] <... sendto resumed>) = 32 [pid 298] close(3 [pid 12190] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12185}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12188] recvfrom(4, [pid 12190] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12186}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 298] <... close resumed>) = 0 [pid 12190] <... futex resumed>) = 1 [pid 12188] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12194] <... ioctl resumed>) = 0 [pid 12190] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12188] <... futex resumed>) = 1 [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12194] close(3 [pid 12190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12188] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12186] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12196 [pid 12194] <... close resumed>) = 0 [pid 12190] getsockname(4, [pid 12188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12190] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12185, nl_groups=00000000}, [116 => 12]) = 0 [pid 12188] getsockname(4, [pid 12186] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12194] <... futex resumed>) = 1 [pid 12190] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12189] <... futex resumed>) = 0 [pid 12188] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12186, nl_groups=00000000}, [116 => 12]) = 0 [pid 12194] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12190] <... futex resumed>) = 1 [pid 12189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12190] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12189] <... futex resumed>) = 0 [pid 12188] <... futex resumed>) = 1 [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12194] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12188] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12186] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12194] <... socket resumed>) = 3 [pid 12190] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x99\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12186] <... futex resumed>) = 0 [pid 12185] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9a\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12186] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12194] <... futex resumed>) = 1 [pid 12189] <... futex resumed>) = 0 [pid 12194] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12189] <... futex resumed>) = 0 [pid 12194] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12194] <... socket resumed>) = 4 [pid 12194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12194] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 12196 attached [pid 12189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12194] <... futex resumed>) = 0 [pid 12189] <... futex resumed>) = 1 [pid 12194] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12196] set_robust_list(0x5555555916a0, 24) = 0 [pid 12196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12196] setpgid(0, 0) = 0 [pid 12196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12196] write(3, "1000", 4) = 4 [pid 12196] close(3) = 0 [pid 12196] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12196] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12196] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12194] <... sendto resumed>) = 32 [pid 12196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12194] recvfrom(4, [pid 12196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12194] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12189}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12196] <... clone3 resumed> => {parent_tid=[12200]}, 88) = 12200 [pid 12196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12191] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12196] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12194] <... futex resumed>) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12189] <... futex resumed>) = 0 [pid 12196] <... futex resumed>) = 0 [pid 12194] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12200 attached [pid 12196] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... mmap resumed>) = 0x7fb926217000 [pid 12189] <... futex resumed>) = 0 [pid 12200] set_robust_list(0x7fb9262589a0, 24 [pid 12194] getsockname(4, [pid 12191] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12200] <... set_robust_list resumed>) = 0 [pid 12194] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12189, nl_groups=00000000}, [116 => 12]) = 0 [pid 12191] <... mprotect resumed>) = 0 [pid 12200] rt_sigprocmask(SIG_SETMASK, [], [pid 12194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12194] <... futex resumed>) = 0 [pid 12191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12189] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] memfd_create("syzkaller", 0 [pid 12194] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x9d\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12189] <... futex resumed>) = 0 [pid 12200] <... memfd_create resumed>) = 3 [pid 12189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12191] <... clone3 resumed> => {parent_tid=[12202]}, 88) = 12202 [pid 12200] <... mmap resumed>) = 0x7fb91de38000 [pid 12191] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12202 attached [pid 12200] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12202] set_robust_list(0x7fb9262379a0, 24 [pid 12191] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12202] <... set_robust_list resumed>) = 0 [pid 12202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12202] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12191] <... futex resumed>) = 0 [pid 12202] <... bpf resumed>) = 5 [pid 12202] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12202] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12200] <... write resumed>) = 131072 [pid 12191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12200] munmap(0x7fb91de38000, 138412032) = 0 [pid 12200] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12191] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12202] <... futex resumed>) = 0 [pid 12200] <... openat resumed>) = 4 [pid 12191] <... futex resumed>) = 1 [pid 12202] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12191] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12202] <... bpf resumed>) = 0 [pid 12202] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12202] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12191] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12200] ioctl(4, LOOP_SET_FD, 3 [pid 12202] <... bpf resumed>) = 6 [pid 12202] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12202] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12202] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12191] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12202] <... bpf resumed>) = 7 [pid 12202] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12202] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12191] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12202] <... bpf resumed>) = 8 [pid 12202] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12202] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12191] <... futex resumed>) = 0 [pid 12202] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12191] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12200] <... ioctl resumed>) = 0 [pid 12202] <... bpf resumed>) = 9 [pid 12200] close(3 [pid 12202] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... close resumed>) = 0 [pid 12202] <... futex resumed>) = 1 [pid 12191] <... futex resumed>) = 0 [pid 12202] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12200] close(4) = 0 [pid 12200] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12200] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12200] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12200] ioctl(3, LOOP_CLR_FD [pid 12185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12185] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12186] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12186] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... mmap resumed>) = 0x7fb926217000 [pid 12186] <... futex resumed>) = 0 [pid 12185] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12185] <... mprotect resumed>) = 0 [pid 12186] <... mmap resumed>) = 0x7fb926217000 [pid 12185] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12186] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12185] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12203]}, 88) = 12203 [pid 12185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12185] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12186] <... mprotect resumed>) = 0 [pid 12185] <... futex resumed>) = 0 [pid 12185] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12186] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 12203 attached [pid 12203] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12203] rt_sigprocmask(SIG_SETMASK, [], [pid 12186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12203] <... bpf resumed>) = 5 [pid 12203] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12185] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12185] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12203] <... futex resumed>) = 1 [pid 12186] <... clone3 resumed> => {parent_tid=[12204]}, 88) = 12204 [pid 12186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12186] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12203] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12186] <... futex resumed>) = 0 [pid 12186] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12203] <... bpf resumed>) = 0 [pid 12203] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12185] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 12204 attached [pid 12203] <... futex resumed>) = 1 [pid 12185] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12204] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12204] <... bpf resumed>) = 5 [pid 12204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12186] <... futex resumed>) = 0 [pid 12186] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12186] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12204] <... futex resumed>) = 1 [pid 12204] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12186] <... futex resumed>) = 0 [pid 12186] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12186] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12204] <... futex resumed>) = 1 [pid 12204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12203] <... bpf resumed>) = 6 [pid 12204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12186] <... futex resumed>) = 0 [pid 12186] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12186] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12204] <... futex resumed>) = 1 [pid 12203] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12186] <... futex resumed>) = 0 [pid 12204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12186] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12203] <... futex resumed>) = 1 [pid 12186] <... futex resumed>) = 0 [pid 12185] <... futex resumed>) = 0 [pid 12203] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12186] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12185] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12204] <... bpf resumed>) = 8 [pid 12203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12192] <... sendmsg resumed>) = 64 [pid 12185] <... futex resumed>) = 0 [pid 12204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12192] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12204] <... futex resumed>) = 1 [pid 12192] <... futex resumed>) = 0 [pid 12186] <... futex resumed>) = 0 [pid 12204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12192] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12186] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12204] <... bpf resumed>) = 9 [pid 12203] <... bpf resumed>) = 7 [pid 12186] <... futex resumed>) = 0 [pid 12204] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12186] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12204] <... futex resumed>) = 0 [pid 12203] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12204] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12191] exit_group(0 [pid 12202] <... futex resumed>) = ? [pid 12191] <... exit_group resumed>) = ? [pid 12192] <... futex resumed>) = ? [pid 12203] <... futex resumed>) = 1 [pid 12202] +++ exited with 0 +++ [pid 12185] <... futex resumed>) = 0 [pid 12203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12185] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12185] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12203] <... bpf resumed>) = 8 [pid 12203] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12185] <... futex resumed>) = 0 [pid 12185] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12203] <... futex resumed>) = 1 [pid 12185] <... futex resumed>) = 0 [pid 12203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12185] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12189] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 12189] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12189] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12205 attached => {parent_tid=[12205]}, 88) = 12205 [pid 12205] set_robust_list(0x7fb9262379a0, 24 [pid 12189] rt_sigprocmask(SIG_SETMASK, [], [pid 12205] <... set_robust_list resumed>) = 0 [pid 12189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12205] rt_sigprocmask(SIG_SETMASK, [], [pid 12189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12189] <... futex resumed>) = 0 [pid 12205] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12205] <... bpf resumed>) = 5 [pid 12205] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12189] <... futex resumed>) = 0 [pid 12205] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12205] <... bpf resumed>) = 0 [pid 12189] <... futex resumed>) = 0 [pid 12189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12205] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12189] <... futex resumed>) = 0 [pid 12205] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12205] <... bpf resumed>) = 6 [pid 12205] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12189] <... futex resumed>) = 0 [pid 12205] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 170.663187][T12200] loop2: detected capacity change from 0 to 256 [ 170.673009][T12200] exfat: Bad value for 'uid' [pid 12189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12200] <... ioctl resumed>) = 0 [pid 12205] <... bpf resumed>) = 7 [pid 12203] <... bpf resumed>) = 9 [pid 12205] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12203] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12192] +++ exited with 0 +++ [pid 12191] +++ exited with 0 +++ [pid 12205] <... futex resumed>) = 1 [pid 12203] <... futex resumed>) = 1 [pid 12189] <... futex resumed>) = 0 [pid 12185] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12191, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12205] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12203] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 12205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12189] <... futex resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 12205] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12205] <... bpf resumed>) = 8 [pid 12200] close(3 [pid 12205] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... close resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12205] <... futex resumed>) = 1 [pid 12189] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 12205] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12189] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] ioctl(3, LOOP_CLR_FD [pid 12205] <... bpf resumed>) = 9 [pid 12189] <... futex resumed>) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12205] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12189] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] close(3 [pid 12205] <... futex resumed>) = 0 [pid 12200] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 294] <... close resumed>) = 0 [pid 12205] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12200] <... futex resumed>) = 1 [pid 12196] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12200] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12196] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12196] <... futex resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12206 [pid 12200] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12196] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12206 attached [pid 12200] <... socket resumed>) = 3 [pid 12200] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12196] <... futex resumed>) = 0 [pid 12200] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12196] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12200] <... socket resumed>) = 4 [pid 12196] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12200] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12206] set_robust_list(0x5555555916a0, 24 [pid 12200] <... futex resumed>) = 0 [pid 12196] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] <... set_robust_list resumed>) = 0 [pid 12200] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12196] <... futex resumed>) = 0 [pid 12206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12200] <... sendto resumed>) = 32 [pid 12196] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12206] <... prctl resumed>) = 0 [pid 12200] recvfrom(4, [pid 12206] setpgid(0, 0 [pid 12200] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12196}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12206] <... setpgid resumed>) = 0 [pid 12200] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12200] <... futex resumed>) = 1 [pid 12196] <... futex resumed>) = 0 [pid 12206] <... openat resumed>) = 3 [pid 12200] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12196] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] write(3, "1000", 4 [pid 12200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12196] <... futex resumed>) = 0 [pid 12206] <... write resumed>) = 4 [pid 12200] getsockname(4, [pid 12196] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12206] close(3 [pid 12200] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12196, nl_groups=00000000}, [116 => 12]) = 0 [pid 12200] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12196] <... futex resumed>) = 0 [pid 12200] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12196] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12196] <... futex resumed>) = 0 [pid 12200] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xa4\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12196] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12206] <... close resumed>) = 0 [pid 12206] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12190] <... sendmsg resumed>) = 64 [pid 12206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12190] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12190] <... futex resumed>) = 0 [pid 12206] <... mprotect resumed>) = 0 [pid 12190] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12185] exit_group(0 [pid 12206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12203] <... futex resumed>) = ? [pid 12190] <... futex resumed>) = ? [pid 12185] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 12208 attached [pid 12203] +++ exited with 0 +++ [pid 12190] +++ exited with 0 +++ [pid 12208] set_robust_list(0x7fb9262589a0, 24 [pid 12206] <... clone3 resumed> => {parent_tid=[12208]}, 88) = 12208 [pid 12185] +++ exited with 0 +++ [pid 12208] <... set_robust_list resumed>) = 0 [pid 12206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12206] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12185, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12206] <... futex resumed>) = 0 [pid 12208] memfd_create("syzkaller", 0 [pid 12206] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12208] <... memfd_create resumed>) = 3 [pid 300] <... openat resumed>) = 3 [pid 12208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12209 [pid 12208] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12208] munmap(0x7fb91de38000, 138412032) = 0 ./strace-static-x86_64: Process 12209 attached [pid 12208] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12209] set_robust_list(0x5555555916a0, 24) = 0 [pid 12209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12209] setpgid(0, 0) = 0 [pid 12209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12208] <... openat resumed>) = 4 [pid 12208] ioctl(4, LOOP_SET_FD, 3 [pid 12209] <... openat resumed>) = 3 [pid 12209] write(3, "1000", 4) = 4 [pid 12209] close(3) = 0 [pid 12209] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12209] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12209] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12210]}, 88) = 12210 [pid 12209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12209] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12209] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12210 attached [pid 12210] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12210] memfd_create("syzkaller", 0) = 3 [pid 12210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12210] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12210] munmap(0x7fb91de38000, 138412032) = 0 [pid 12210] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 12210] ioctl(4, LOOP_SET_FD, 3 [pid 12208] <... ioctl resumed>) = 0 [pid 12208] close(3) = 0 [pid 12208] close(4) = 0 [pid 12208] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12208] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12208] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12210] <... ioctl resumed>) = 0 [pid 12208] <... openat resumed>) = 3 [pid 12210] close(3 [pid 12208] ioctl(3, LOOP_CLR_FD [pid 12210] <... close resumed>) = 0 [pid 12210] close(4) = 0 [pid 12210] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12210] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12210] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12210] ioctl(3, LOOP_CLR_FD [pid 12196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12196] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12196] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12194] <... sendmsg resumed>) = 64 [pid 12188] <... sendmsg resumed>) = 64 [pid 12196] <... mprotect resumed>) = 0 [pid 12194] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12188] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12186] exit_group(0 [pid 12194] <... futex resumed>) = 0 [pid 12188] <... futex resumed>) = 0 [pid 12204] <... futex resumed>) = ? [pid 12194] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12188] +++ exited with 0 +++ [pid 12196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12186] <... exit_group resumed>) = ? [pid 12208] <... ioctl resumed>) = 0 [pid 12204] +++ exited with 0 +++ [pid 12196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12189] exit_group(0 [pid 12196] <... clone3 resumed> => {parent_tid=[12211]}, 88) = 12211 [pid 12196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12196] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12205] <... futex resumed>) = ? [pid 12196] <... futex resumed>) = 0 [pid 12194] <... futex resumed>) = ? [pid 12189] <... exit_group resumed>) = ? [pid 12205] +++ exited with 0 +++ [pid 12196] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12194] +++ exited with 0 +++ [pid 12208] close(3) = 0 [pid 12208] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] <... futex resumed>) = 0 [pid 12206] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12208] <... futex resumed>) = 1 [pid 12208] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12208] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] <... futex resumed>) = 0 [pid 12206] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12208] <... futex resumed>) = 1 [pid 12208] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE./strace-static-x86_64: Process 12211 attached ) = 4 [pid 12211] set_robust_list(0x7fb9262379a0, 24 [pid 12208] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12211] <... set_robust_list resumed>) = 0 [pid 12208] <... futex resumed>) = 1 [pid 12206] <... futex resumed>) = 0 [pid 12206] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12211] rt_sigprocmask(SIG_SETMASK, [], [pid 12210] <... ioctl resumed>) = 0 [pid 12208] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12210] close(3) = 0 [pid 12208] <... sendto resumed>) = 32 [pid 12210] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12208] recvfrom(4, [pid 12210] <... futex resumed>) = 1 [pid 12209] <... futex resumed>) = 0 [pid 12208] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12206}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12210] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12209] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12210] <... socket resumed>) = 3 [pid 12208] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12210] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12209] <... futex resumed>) = 0 [pid 12208] <... futex resumed>) = 1 [pid 12206] <... futex resumed>) = 0 [pid 12210] <... futex resumed>) = 0 [pid 12209] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12208] getsockname(4, [pid 12206] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12210] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12208] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12206, nl_groups=00000000}, [116 => 12]) = 0 [pid 12206] <... futex resumed>) = 0 [pid 12210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12209] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12208] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12210] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12209] <... futex resumed>) = 0 [pid 12208] <... futex resumed>) = 0 [pid 12206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12210] <... socket resumed>) = 4 [pid 12209] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12208] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12206] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12211] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12210] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12206] <... futex resumed>) = 0 [pid 12210] <... futex resumed>) = 1 [pid 12209] <... futex resumed>) = 0 [pid 12208] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xae\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 170.759150][T12208] loop0: detected capacity change from 0 to 256 [ 170.763404][T12210] loop4: detected capacity change from 0 to 256 [ 170.769784][T12208] exfat: Bad value for 'uid' [ 170.778623][T12210] exfat: Bad value for 'uid' [pid 12206] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12211] <... bpf resumed>) = 5 [pid 12210] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12209] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12211] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] <... futex resumed>) = 0 [pid 12209] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12196] <... futex resumed>) = 0 [pid 12196] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12211] <... futex resumed>) = 0 [pid 12211] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12196] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12211] <... bpf resumed>) = 0 [pid 12211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12211] <... futex resumed>) = 0 [pid 12196] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12196] <... futex resumed>) = 0 [pid 12211] <... bpf resumed>) = 6 [pid 12196] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12196] <... futex resumed>) = 0 [pid 12211] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12196] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12196] <... futex resumed>) = 0 [pid 12211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12196] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12210] <... sendto resumed>) = 32 [pid 12210] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12209}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12210] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12209] <... futex resumed>) = 0 [pid 12210] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12209] <... futex resumed>) = 0 [pid 12210] getsockname(4, [pid 12209] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12210] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12209, nl_groups=00000000}, [116 => 12]) = 0 [pid 12210] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12209] <... futex resumed>) = 0 [pid 12210] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12209] <... futex resumed>) = 0 [pid 12210] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb1\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12209] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12200] <... sendmsg resumed>) = 64 [pid 12200] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12200] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12186] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12186, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 12189] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12189, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 299] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD [pid 297] ioctl(3, LOOP_CLR_FD [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 297] close(3 [pid 299] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12214 ./strace-static-x86_64: Process 12214 attached [pid 12214] set_robust_list(0x5555555916a0, 24) = 0 [pid 12214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12214] setpgid(0, 0) = 0 [pid 12214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12214] write(3, "1000", 4) = 4 [pid 12214] close(3) = 0 [pid 12214] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12214] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12215]}, 88) = 12215 [pid 12214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12214] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12215 attached [pid 12215] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12206] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12206] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12206] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12206] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12216 [pid 12206] <... clone3 resumed> => {parent_tid=[12217]}, 88) = 12217 [pid 12206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12206] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12216 attached [pid 12216] set_robust_list(0x5555555916a0, 24 [pid 12215] rt_sigprocmask(SIG_SETMASK, [], [pid 12216] <... set_robust_list resumed>) = 0 [pid 12215] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12217 attached [pid 12216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12216] setpgid(0, 0) = 0 [pid 12216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12215] memfd_create("syzkaller", 0) = 3 [pid 12217] set_robust_list(0x7fb9262379a0, 24 [pid 12216] <... openat resumed>) = 3 [pid 12216] write(3, "1000", 4) = 4 [pid 12216] close(3) = 0 [pid 12216] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12216] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12216] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12216] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12217] <... set_robust_list resumed>) = 0 [pid 12216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12217] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12215] <... mmap resumed>) = 0x7fb91de38000 [pid 12217] <... bpf resumed>) = 5 [pid 12217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] <... futex resumed>) = 0 [pid 12206] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12217] <... futex resumed>) = 1 [pid 12217] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] <... futex resumed>) = 0 [pid 12206] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12217] <... futex resumed>) = 1 [pid 12217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] <... futex resumed>) = 0 [pid 12206] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12206] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12217] <... futex resumed>) = 1 [pid 12215] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12217] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 12218 attached [pid 12216] <... clone3 resumed> => {parent_tid=[12218]}, 88) = 12218 [pid 12218] set_robust_list(0x7fb9262589a0, 24 [pid 12216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12215] <... write resumed>) = 131072 [pid 12216] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] <... set_robust_list resumed>) = 0 [pid 12215] munmap(0x7fb91de38000, 138412032 [pid 12216] <... futex resumed>) = 0 [pid 12215] <... munmap resumed>) = 0 [pid 12215] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12217] <... bpf resumed>) = 7 [pid 12215] ioctl(4, LOOP_SET_FD, 3 [pid 12211] <... bpf resumed>) = 7 [pid 12218] rt_sigprocmask(SIG_SETMASK, [], [pid 12217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [ 170.804443][T12208] __nla_validate_parse: 88 callbacks suppressed [ 170.804460][T12208] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 170.829374][T12210] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 12216] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12218] memfd_create("syzkaller", 0) = 3 [pid 12218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12218] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12218] munmap(0x7fb91de38000, 138412032) = 0 [pid 12218] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12218] ioctl(4, LOOP_SET_FD, 3 [pid 12217] <... futex resumed>) = 1 [pid 12215] <... ioctl resumed>) = 0 [pid 12211] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] <... futex resumed>) = 0 [pid 12217] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12211] <... futex resumed>) = 1 [pid 12206] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12196] <... futex resumed>) = 0 [pid 12217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12211] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12206] <... futex resumed>) = 0 [pid 12196] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12206] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12200] <... futex resumed>) = 0 [pid 12196] <... futex resumed>) = 1 [pid 12217] <... bpf resumed>) = 8 [pid 12200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12196] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... bpf resumed>) = 8 [pid 12217] <... futex resumed>) = 1 [pid 12206] <... futex resumed>) = 0 [pid 12200] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12217] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12206] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12200] <... futex resumed>) = 1 [pid 12196] <... futex resumed>) = 0 [pid 12218] <... ioctl resumed>) = 0 [pid 12217] <... bpf resumed>) = 9 [pid 12215] close(3 [pid 12206] <... futex resumed>) = 0 [pid 12200] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12196] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12217] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12196] <... futex resumed>) = 0 [pid 12217] <... futex resumed>) = 0 [pid 12206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12196] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12217] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12218] close(3 [pid 12200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12218] <... close resumed>) = 0 [pid 12218] close(4) = 0 [pid 12215] <... close resumed>) = 0 [pid 12200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12218] mkdir("./file0", 0777 [pid 12200] <... bpf resumed>) = 9 [pid 12218] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12200] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12200] <... futex resumed>) = 1 [pid 12196] <... futex resumed>) = 0 [pid 12215] close(4 [pid 12196] exit_group(0 [pid 12200] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12215] <... close resumed>) = 0 [pid 12215] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12215] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12211] <... futex resumed>) = ? [pid 12209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12200] <... futex resumed>) = ? [pid 12196] <... exit_group resumed>) = ? [pid 12215] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12215] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 12215] ioctl(3, LOOP_CLR_FD) = 0 [pid 12215] close(3) = 0 [pid 12215] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12215] <... futex resumed>) = 1 [pid 12215] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12215] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12215] <... futex resumed>) = 1 [pid 12215] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12215] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12211] +++ exited with 0 +++ [pid 12209] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12215] <... futex resumed>) = 1 [pid 12215] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12209] <... futex resumed>) = 0 [pid 12209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12209] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12219]}, 88) = 12219 [pid 12209] rt_sigprocmask(SIG_SETMASK, [], [pid 12215] <... sendto resumed>) = 32 [pid 12209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12215] recvfrom(4, [pid 12209] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12215] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12214}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12209] <... futex resumed>) = 0 [pid 12209] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12215] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12215] <... futex resumed>) = 1 [pid 12215] getsockname(4, {sa_family=AF_NETLINK, nl_pid=12214, nl_groups=00000000}, [116 => 12]) = 0 [pid 12215] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12215] <... futex resumed>) = 1 [pid 12215] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb6\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 12219 attached [pid 12218] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12218] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12218] ioctl(3, LOOP_CLR_FD [pid 12219] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12219] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12219] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12209] <... futex resumed>) = 0 [pid 12209] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12209] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12219] <... futex resumed>) = 1 [pid 12219] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12219] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12209] <... futex resumed>) = 0 [pid 12209] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12209] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12200] +++ exited with 0 +++ [pid 12196] +++ exited with 0 +++ [pid 12219] <... futex resumed>) = 1 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12196, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD [pid 12219] <... bpf resumed>) = 6 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12219] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12209] <... futex resumed>) = 0 [pid 12219] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] close(3 [pid 12219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12209] <... futex resumed>) = 0 [pid 12219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12209] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12219] <... bpf resumed>) = 7 [pid 298] <... close resumed>) = 0 [pid 12219] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12209] <... futex resumed>) = 0 [pid 12219] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12209] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12209] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12219] <... bpf resumed>) = 8 [pid 12219] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12209] <... futex resumed>) = 0 [pid 12219] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12209] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12221 [pid 12219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12209] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12219] <... bpf resumed>) = 9 [pid 12219] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12209] <... futex resumed>) = 0 [pid 12219] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12221 attached [pid 12221] set_robust_list(0x5555555916a0, 24) = 0 [pid 12221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12221] setpgid(0, 0) = 0 [pid 12221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12221] write(3, "1000", 4) = 4 [pid 12221] close(3) = 0 [pid 12221] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12221] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12221] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12221] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12222]}, 88) = 12222 ./strace-static-x86_64: Process 12222 attached [pid 12221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12222] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12222] memfd_create("syzkaller", 0) = 3 [pid 12222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12222] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12222] munmap(0x7fb91de38000, 138412032) = 0 [pid 12222] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 170.866922][T12215] loop1: detected capacity change from 0 to 256 [ 170.872349][T12218] loop3: detected capacity change from 0 to 256 [ 170.885222][T12215] exfat: Bad value for 'uid' [ 170.889298][T12218] exfat: Bad value for 'uid' [ 170.901068][T12215] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 12222] ioctl(4, LOOP_SET_FD, 3 [pid 12208] <... sendmsg resumed>) = 64 [pid 12222] <... ioctl resumed>) = 0 [pid 12218] <... ioctl resumed>) = 0 [pid 12222] close(3 [pid 12218] close(3 [pid 12222] <... close resumed>) = 0 [pid 12218] <... close resumed>) = 0 [pid 12222] close(4 [pid 12218] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... close resumed>) = 0 [pid 12218] <... futex resumed>) = 1 [pid 12216] <... futex resumed>) = 0 [pid 12222] mkdir("./file0", 0777 [pid 12218] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12216] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12216] <... futex resumed>) = 0 [pid 12222] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12218] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12216] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12218] <... socket resumed>) = 3 [pid 12208] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12218] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12208] <... futex resumed>) = 0 [pid 12222] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12218] <... futex resumed>) = 1 [pid 12216] <... futex resumed>) = 0 [pid 12218] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12216] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12208] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12216] <... futex resumed>) = 0 [pid 12218] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12216] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12218] <... socket resumed>) = 4 [pid 12218] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12216] <... futex resumed>) = 0 [pid 12206] exit_group(0 [pid 12218] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12216] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12206] <... exit_group resumed>) = ? [pid 12218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12217] <... futex resumed>) = ? [pid 12216] <... futex resumed>) = 0 [pid 12208] <... futex resumed>) = ? [pid 12218] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12217] +++ exited with 0 +++ [pid 12216] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12218] <... sendto resumed>) = 32 [pid 12218] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12216}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12222] <... openat resumed>) = 3 [pid 12218] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12222] ioctl(3, LOOP_CLR_FD [pid 12218] <... futex resumed>) = 1 [pid 12216] <... futex resumed>) = 0 [pid 12214] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12216] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12216] <... futex resumed>) = 0 [pid 12214] <... futex resumed>) = 0 [pid 12218] getsockname(4, [pid 12216] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12218] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12216, nl_groups=00000000}, [116 => 12]) = 0 [pid 12214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12218] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12216] <... futex resumed>) = 0 [pid 12214] <... mmap resumed>) = 0x7fb926217000 [pid 12218] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12216] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12216] <... futex resumed>) = 0 [pid 12214] <... mprotect resumed>) = 0 [pid 12218] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xb8\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12216] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12223]}, 88) = 12223 [pid 12214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12214] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12223 attached [pid 12223] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12223] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12223] <... futex resumed>) = 1 [pid 12223] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12223] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12214] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12223] <... futex resumed>) = 1 [pid 12223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12223] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12214] <... futex resumed>) = 0 [pid 12214] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12223] <... futex resumed>) = 1 [pid 12214] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12210] <... sendmsg resumed>) = 64 [pid 12210] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... ioctl resumed>) = 0 [pid 12222] close(3 [pid 12210] <... futex resumed>) = 0 [pid 12222] <... close resumed>) = 0 [pid 12210] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12209] exit_group(0 [pid 12221] <... futex resumed>) = 0 [pid 12210] <... futex resumed>) = ? [pid 12209] <... exit_group resumed>) = ? [pid 12221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12219] <... futex resumed>) = ? [pid 12210] +++ exited with 0 +++ [pid 12222] <... futex resumed>) = 0 [pid 12221] <... futex resumed>) = 1 [pid 12222] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12222] <... socket resumed>) = 3 [pid 12222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12221] <... futex resumed>) = 0 [pid 12222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12221] <... futex resumed>) = 0 [pid 12222] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12222] <... socket resumed>) = 4 [pid 12222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12221] <... futex resumed>) = 0 [pid 12222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12221] <... futex resumed>) = 0 [pid 12222] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12222] <... sendto resumed>) = 32 [pid 12222] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12221}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12221] <... futex resumed>) = 0 [pid 12222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12221] <... futex resumed>) = 0 [pid 12222] getsockname(4, [pid 12221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12222] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12221, nl_groups=00000000}, [116 => 12]) = 0 [pid 12222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12221] <... futex resumed>) = 0 [pid 12222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12221] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12221] <... futex resumed>) = 0 [pid 12222] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xbd\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 170.932144][T12222] loop2: detected capacity change from 0 to 256 [ 170.940574][T12222] exfat: Bad value for 'uid' [ 170.952648][T12218] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 12221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12223] <... bpf resumed>) = 7 [pid 12208] +++ exited with 0 +++ [pid 12206] +++ exited with 0 +++ [pid 12223] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12206, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12223] <... futex resumed>) = 1 [pid 12214] <... futex resumed>) = 0 [pid 12223] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12214] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12214] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12214] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... openat resumed>) = 3 [pid 12223] <... bpf resumed>) = 8 [pid 294] ioctl(3, LOOP_CLR_FD [pid 12223] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12223] <... futex resumed>) = 1 [pid 12214] <... futex resumed>) = 0 [pid 294] close(3 [pid 12223] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12214] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... close resumed>) = 0 [pid 12223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12214] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12214] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12226 ./strace-static-x86_64: Process 12226 attached [pid 12226] set_robust_list(0x5555555916a0, 24) = 0 [pid 12226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12226] setpgid(0, 0) = 0 [pid 12226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12226] write(3, "1000", 4) = 4 [pid 12226] close(3) = 0 [pid 12226] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12226] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12226] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12227]}, 88) = 12227 [pid 12226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12227 attached [pid 12227] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12227] memfd_create("syzkaller", 0) = 3 [pid 12227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12227] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12227] munmap(0x7fb91de38000, 138412032) = 0 [pid 12227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 170.977499][T12222] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 12227] ioctl(4, LOOP_SET_FD, 3 [pid 12216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12216] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12215] <... sendmsg resumed>) = 64 [pid 12216] <... futex resumed>) = 0 [pid 12215] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12215] <... futex resumed>) = 0 [pid 12216] <... mmap resumed>) = 0x7fb926217000 [pid 12215] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12227] <... ioctl resumed>) = 0 [pid 12216] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12216] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12228]}, 88) = 12228 [pid 12216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12216] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12216] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12228 attached [pid 12228] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12228] rt_sigprocmask(SIG_SETMASK, [], [pid 12227] close(3 [pid 12228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12228] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12227] <... close resumed>) = 0 [pid 12228] <... bpf resumed>) = 5 [pid 12227] close(4 [pid 12228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12216] <... futex resumed>) = 0 [pid 12216] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12216] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12228] <... futex resumed>) = 1 [pid 12228] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12216] <... futex resumed>) = 0 [pid 12216] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12216] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12228] <... futex resumed>) = 1 [pid 12228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12216] <... futex resumed>) = 0 [pid 12216] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12216] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12228] <... futex resumed>) = 1 [pid 12228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12227] <... close resumed>) = 0 [pid 12227] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12227] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12219] +++ exited with 0 +++ [pid 12209] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12209, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12223] <... bpf resumed>) = 9 [pid 12223] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12223] <... futex resumed>) = 1 [pid 12214] <... futex resumed>) = 0 [pid 12223] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] <... openat resumed>) = 3 [pid 12214] exit_group(0 [pid 12223] <... futex resumed>) = ? [pid 12215] <... futex resumed>) = ? [pid 12214] <... exit_group resumed>) = ? [pid 300] ioctl(3, LOOP_CLR_FD [pid 12223] +++ exited with 0 +++ [pid 12215] +++ exited with 0 +++ [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12229 [pid 12214] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12214, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12227] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12227] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12229 attached [pid 12229] set_robust_list(0x5555555916a0, 24) = 0 [pid 12229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12229] setpgid(0, 0) = 0 [pid 12229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12230 [pid 12229] write(3, "1000", 4) = 4 [pid 12229] close(3) = 0 [pid 12229] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12229] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12229] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12231]}, 88) = 12231 [pid 12229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12231 attached [pid 12231] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12231] memfd_create("syzkaller", 0 [pid 12221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 12221] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 12221] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12221] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12221] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12232]}, 88) = 12232 [pid 12221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12231] <... memfd_create resumed>) = 3 [pid 12231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12231] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12231] munmap(0x7fb91de38000, 138412032) = 0 [pid 12231] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 12232 attached ./strace-static-x86_64: Process 12230 attached ) = 4 [pid 12232] set_robust_list(0x7fb9262379a0, 24 [pid 12230] set_robust_list(0x5555555916a0, 24 [pid 12231] ioctl(4, LOOP_SET_FD, 3 [pid 12232] <... set_robust_list resumed>) = 0 [pid 12230] <... set_robust_list resumed>) = 0 [pid 12230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12230] setpgid(0, 0) = 0 [pid 12230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12230] write(3, "1000", 4) = 4 [pid 12230] close(3) = 0 [pid 12230] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12230] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12230] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12230] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12233]}, 88) = 12233 [pid 12230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12230] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 12233 attached [pid 12232] rt_sigprocmask(SIG_SETMASK, [], [pid 12231] <... ioctl resumed>) = 0 [pid 12230] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12227] <... ioctl resumed>) = 0 [pid 12227] close(3) = 0 [pid 12227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12226] <... futex resumed>) = 0 [pid 12227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12226] <... futex resumed>) = 0 [pid 12227] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12227] <... socket resumed>) = 3 [pid 12231] close(3 [pid 12227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] <... close resumed>) = 0 [pid 12227] <... futex resumed>) = 1 [pid 12226] <... futex resumed>) = 0 [pid 12231] close(4 [pid 12227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] <... close resumed>) = 0 [pid 12227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12226] <... futex resumed>) = 0 [pid 12231] mkdir("./file0", 0777 [pid 12227] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12231] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12227] <... socket resumed>) = 4 [pid 12231] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] set_robust_list(0x7fb9262589a0, 24 [pid 12232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12228] <... bpf resumed>) = 7 [pid 12227] <... futex resumed>) = 1 [pid 12226] <... futex resumed>) = 0 [pid 12233] <... set_robust_list resumed>) = 0 [pid 12233] rt_sigprocmask(SIG_SETMASK, [], [pid 12228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12227] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12226] <... futex resumed>) = 0 [pid 12228] <... futex resumed>) = 1 [pid 12216] <... futex resumed>) = 0 [pid 12227] <... sendto resumed>) = 32 [pid 12216] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12227] recvfrom(4, [pid 12226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12216] <... futex resumed>) = 0 [pid 12231] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12233] memfd_create("syzkaller", 0) = 3 [pid 12233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12232] <... bpf resumed>) = 5 [pid 12231] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12228] <... bpf resumed>) = 8 [pid 12227] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12226}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12216] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12228] <... futex resumed>) = 0 [pid 12227] <... futex resumed>) = 1 [pid 12226] <... futex resumed>) = 0 [pid 12216] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12216] <... futex resumed>) = 0 [pid 12233] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12232] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] <... openat resumed>) = 3 [pid 12228] <... bpf resumed>) = 9 [pid 12227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12226] <... futex resumed>) = 0 [pid 12216] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12228] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12227] getsockname(4, [pid 12226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12228] <... futex resumed>) = 1 [pid 12227] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12226, nl_groups=00000000}, [116 => 12]) = 0 [pid 12216] <... futex resumed>) = 0 [pid 12228] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12226] <... futex resumed>) = 0 [pid 12227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12226] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] <... futex resumed>) = 1 [pid 12227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12226] <... futex resumed>) = 0 [pid 12221] <... futex resumed>) = 0 [pid 12232] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12227] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc2\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12226] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] <... write resumed>) = 131072 [pid 12232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12231] ioctl(3, LOOP_CLR_FD [pid 12233] munmap(0x7fb91de38000, 138412032 [ 171.004135][T12227] loop0: detected capacity change from 0 to 256 [ 171.015457][T12227] exfat: Bad value for 'uid' [ 171.033026][T12231] loop4: detected capacity change from 0 to 256 [ 171.042358][T12231] exfat: Bad value for 'uid' [pid 12232] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12233] <... munmap resumed>) = 0 [pid 12232] <... bpf resumed>) = 0 [pid 12233] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12232] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] <... openat resumed>) = 4 [pid 12232] <... futex resumed>) = 0 [pid 12233] ioctl(4, LOOP_SET_FD, 3 [pid 12232] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 12221] <... futex resumed>) = 1 [pid 12232] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 12221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] <... futex resumed>) = 0 [pid 12221] <... futex resumed>) = 1 [pid 12232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12232] <... bpf resumed>) = 6 [pid 12232] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12221] <... futex resumed>) = 0 [pid 12232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12233] <... ioctl resumed>) = 0 [pid 12232] <... bpf resumed>) = 7 [pid 12232] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12221] <... futex resumed>) = 0 [pid 12221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12233] close(3) = 0 [pid 12233] close(4) = 0 [pid 12232] <... bpf resumed>) = 8 [pid 12232] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12221] <... futex resumed>) = 0 [pid 12232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12221] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12232] <... bpf resumed>) = 9 [pid 12221] <... futex resumed>) = 0 [pid 12232] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12221] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12232] <... futex resumed>) = 0 [pid 12221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12232] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12233] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12233] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12233] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 12233] ioctl(3, LOOP_CLR_FD [pid 12218] <... sendmsg resumed>) = 64 [pid 12231] <... ioctl resumed>) = 0 [pid 12218] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] close(3 [pid 12218] <... futex resumed>) = 0 [pid 12216] exit_group(0 [pid 12228] <... futex resumed>) = ? [pid 12216] <... exit_group resumed>) = ? [pid 12228] +++ exited with 0 +++ [pid 12231] <... close resumed>) = 0 [pid 12231] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12229] <... futex resumed>) = 0 [pid 12231] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12231] <... socket resumed>) = 3 [pid 12229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12231] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12231] <... futex resumed>) = 0 [pid 12229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12229] <... futex resumed>) = 0 [pid 12231] <... socket resumed>) = 4 [pid 12229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12231] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12231] <... futex resumed>) = 0 [pid 12229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12229] <... futex resumed>) = 0 [pid 12229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12231] <... sendto resumed>) = 32 [pid 12233] <... ioctl resumed>) = 0 [pid 12231] recvfrom(4, [pid 12233] close(3 [pid 12231] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12229}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12233] <... close resumed>) = 0 [pid 12231] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] <... futex resumed>) = 1 [pid 12229] <... futex resumed>) = 0 [pid 12233] <... futex resumed>) = 1 [pid 12231] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12230] <... futex resumed>) = 0 [pid 12229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12230] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = 0 [pid 12233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12231] getsockname(4, [pid 12230] <... futex resumed>) = 0 [pid 12229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12233] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12231] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12229, nl_groups=00000000}, [116 => 12]) = 0 [pid 12230] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12233] <... socket resumed>) = 3 [pid 12231] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12231] <... futex resumed>) = 1 [pid 12229] <... futex resumed>) = 0 [pid 12233] <... futex resumed>) = 1 [pid 12231] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12230] <... futex resumed>) = 0 [pid 12229] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12230] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = 0 [pid 12233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12231] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc5\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12230] <... futex resumed>) = 0 [pid 12229] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12233] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12233] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12233] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [ 171.053553][T12227] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 171.056145][T12233] loop1: detected capacity change from 0 to 256 [ 171.079016][T12233] exfat: Bad value for 'uid' [pid 12230] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 12230] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] <... futex resumed>) = 0 [pid 12230] <... futex resumed>) = 1 [pid 12222] <... sendmsg resumed>) = 64 [pid 12233] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12230] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12222] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12222] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12221] exit_group(0 [pid 12232] <... futex resumed>) = ? [pid 12222] <... futex resumed>) = ? [pid 12221] <... exit_group resumed>) = ? [pid 12232] +++ exited with 0 +++ [pid 12222] +++ exited with 0 +++ [pid 12226] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12226] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12226] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12236]}, 88) = 12236 [pid 12226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 12236 attached [pid 12226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12236] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12236] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12226] <... futex resumed>) = 0 [pid 12236] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12236] <... bpf resumed>) = 0 [pid 12226] <... futex resumed>) = 0 [pid 12236] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12236] <... futex resumed>) = 0 [pid 12226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12236] <... bpf resumed>) = 6 [pid 12226] <... futex resumed>) = 0 [pid 12236] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] <... sendto resumed>) = 32 [pid 12226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12236] <... futex resumed>) = 0 [pid 12226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12233] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12230}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12233] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12230] <... futex resumed>) = 0 [pid 12233] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12230] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12230] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12233] getsockname(4, {sa_family=AF_NETLINK, nl_pid=12230, nl_groups=00000000}, [116 => 12]) = 0 [pid 12233] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12230] <... futex resumed>) = 0 [pid 12233] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12230] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12230] <... futex resumed>) = 0 [pid 12233] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xc6\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12230] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12218] +++ exited with 0 +++ [pid 12216] +++ exited with 0 +++ [pid 12221] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12216, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12221, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12238 ./strace-static-x86_64: Process 12238 attached [pid 12238] set_robust_list(0x5555555916a0, 24) = 0 [pid 12238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12238] setpgid(0, 0) = 0 [pid 12238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12238] write(3, "1000", 4) = 4 [pid 12238] close(3) = 0 [pid 12238] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12238] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12238] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12239]}, 88) = 12239 [pid 12238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12238] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12238] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12239 attached [pid 12239] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12239] memfd_create("syzkaller", 0 [pid 298] <... openat resumed>) = 3 [pid 12239] <... memfd_create resumed>) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 12239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12240 [pid 12239] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 ./strace-static-x86_64: Process 12240 attached [pid 12239] munmap(0x7fb91de38000, 138412032) = 0 [pid 12240] set_robust_list(0x5555555916a0, 24 [pid 12239] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12240] <... set_robust_list resumed>) = 0 [pid 12239] <... openat resumed>) = 4 [pid 12236] <... bpf resumed>) = 7 [pid 12239] ioctl(4, LOOP_SET_FD, 3 [pid 12236] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12226] <... futex resumed>) = 0 [pid 12236] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12226] <... futex resumed>) = 0 [ 171.100678][T12231] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 171.122595][T12233] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 12236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12236] <... bpf resumed>) = 8 [pid 12236] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12226] <... futex resumed>) = 0 [pid 12236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12226] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12239] <... ioctl resumed>) = 0 [pid 12236] <... bpf resumed>) = 9 [pid 12229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12226] <... futex resumed>) = 0 [pid 12229] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12226] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12229] <... futex resumed>) = 0 [pid 12229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12229] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12239] close(3 [pid 12229] <... mprotect resumed>) = 0 [pid 12229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12239] <... close resumed>) = 0 [pid 12229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12239] close(4 [pid 12229] <... clone3 resumed> => {parent_tid=[12241]}, 88) = 12241 [pid 12229] rt_sigprocmask(SIG_SETMASK, [], [pid 12239] <... close resumed>) = 0 [pid 12229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12240] <... prctl resumed>) = 0 [pid 12239] mkdir("./file0", 0777 [pid 12229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12236] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12226] <... futex resumed>) = 0 [pid 12236] <... futex resumed>) = 1 [pid 12236] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12241 attached [pid 12241] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12241] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12241] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = 0 [pid 12229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12241] <... futex resumed>) = 1 [pid 12241] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12241] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = 0 [pid 12229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12239] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12229] <... futex resumed>) = 0 [pid 12229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12239] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12240] setpgid(0, 0 [pid 12241] <... futex resumed>) = 1 [pid 12241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12241] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = 0 [pid 12229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12241] <... futex resumed>) = 1 [pid 12241] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12230] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12230] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12240] <... setpgid resumed>) = 0 [pid 12240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12230] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12239] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12230] <... clone3 resumed> => {parent_tid=[12242]}, 88) = 12242 [pid 12240] <... openat resumed>) = 3 [pid 12230] rt_sigprocmask(SIG_SETMASK, [], [pid 12239] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12240] write(3, "1000", 4) = 4 [pid 12240] close(3 [pid 12230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12239] <... openat resumed>) = 3 [pid 12240] <... close resumed>) = 0 [pid 12230] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12239] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12242 attached [pid 12241] <... bpf resumed>) = 7 [pid 12230] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12240] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12240] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12242] set_robust_list(0x7fb9262379a0, 24 [pid 12241] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12240] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12241] <... futex resumed>) = 1 [pid 12229] <... futex resumed>) = 0 [pid 12240] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12240] <... mprotect resumed>) = 0 [pid 12229] <... futex resumed>) = 0 [pid 12242] <... set_robust_list resumed>) = 0 [pid 12241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12242] rt_sigprocmask(SIG_SETMASK, [], [pid 12240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12242] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12241] <... bpf resumed>) = 8 [pid 12240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12242] <... bpf resumed>) = 5 [pid 12241] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12243 attached [pid 12242] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12241] <... futex resumed>) = 1 [pid 12229] <... futex resumed>) = 0 [pid 12242] <... futex resumed>) = 1 [pid 12241] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12240] <... clone3 resumed> => {parent_tid=[12243]}, 88) = 12243 [pid 12230] <... futex resumed>) = 0 [pid 12229] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12230] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = 0 [pid 12230] <... futex resumed>) = 0 [pid 12229] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12230] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12243] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12243] rt_sigprocmask(SIG_SETMASK, [], [pid 12240] rt_sigprocmask(SIG_SETMASK, [], [pid 12243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12243] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12242] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12240] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12242] <... bpf resumed>) = 0 [pid 12243] <... futex resumed>) = 0 [pid 12240] <... futex resumed>) = 1 [pid 12243] memfd_create("syzkaller", 0 [pid 12240] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12243] <... memfd_create resumed>) = 3 [pid 12242] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12242] <... futex resumed>) = 1 [pid 12241] <... bpf resumed>) = 9 [pid 12230] <... futex resumed>) = 0 [pid 12242] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12241] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12241] <... futex resumed>) = 1 [pid 12230] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12229] <... futex resumed>) = 0 [pid 12243] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12242] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12241] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12230] <... futex resumed>) = 0 [pid 12230] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12242] <... bpf resumed>) = 6 [pid 12243] <... write resumed>) = 131072 [pid 12242] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] munmap(0x7fb91de38000, 138412032 [pid 12242] <... futex resumed>) = 1 [pid 12230] <... futex resumed>) = 0 [pid 12242] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12230] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] <... munmap resumed>) = 0 [pid 12242] <... bpf resumed>) = 7 [pid 12230] <... futex resumed>) = 0 [pid 12243] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12242] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12230] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12243] <... openat resumed>) = 4 [pid 12242] <... futex resumed>) = 0 [pid 12230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12243] ioctl(4, LOOP_SET_FD, 3 [pid 12242] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12230] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12242] <... bpf resumed>) = 8 [pid 12242] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12242] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 12230] <... futex resumed>) = 1 [pid 12242] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12230] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 12230] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12242] <... futex resumed>) = 0 [pid 12230] <... futex resumed>) = 1 [pid 12242] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12230] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12242] <... bpf resumed>) = 9 [pid 12242] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12230] <... futex resumed>) = 0 [pid 12242] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12227] <... sendmsg resumed>) = 64 [pid 12243] <... ioctl resumed>) = 0 [pid 12227] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] close(3 [pid 12227] <... futex resumed>) = 0 [pid 12243] <... close resumed>) = 0 [pid 12227] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12243] close(4 [pid 12226] exit_group(0 [pid 12243] <... close resumed>) = 0 [pid 12236] <... futex resumed>) = ? [pid 12227] <... futex resumed>) = ? [pid 12226] <... exit_group resumed>) = ? [pid 12243] mkdir("./file0", 0777 [pid 12236] +++ exited with 0 +++ [pid 12227] +++ exited with 0 +++ [pid 12226] +++ exited with 0 +++ [pid 12243] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12226, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12243] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 171.157463][T12239] loop3: detected capacity change from 0 to 256 [ 171.172788][T12239] exfat: Bad value for 'uid' [ 171.193515][T12243] loop2: detected capacity change from 0 to 256 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 12243] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 294] close(3) = 0 [pid 12243] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12243] ioctl(3, LOOP_CLR_FD [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12244 ./strace-static-x86_64: Process 12244 attached [pid 12244] set_robust_list(0x5555555916a0, 24) = 0 [pid 12244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12244] setpgid(0, 0) = 0 [pid 12244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12244] write(3, "1000", 4) = 4 [pid 12244] close(3) = 0 [pid 12244] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12244] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12244] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12245 attached => {parent_tid=[12245]}, 88) = 12245 [pid 12244] rt_sigprocmask(SIG_SETMASK, [], [pid 12245] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12245] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12244] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12244] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12245] memfd_create("syzkaller", 0) = 3 [pid 12245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12245] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12245] munmap(0x7fb91de38000, 138412032) = 0 [pid 12245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12245] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12239] <... ioctl resumed>) = 0 [pid 12239] close(3) = 0 [pid 12239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12238] <... futex resumed>) = 0 [pid 12239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12238] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12238] <... futex resumed>) = 0 [pid 12239] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12238] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12239] <... socket resumed>) = 3 [pid 12239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12238] <... futex resumed>) = 0 [pid 12239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12238] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12238] <... futex resumed>) = 0 [pid 12239] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12238] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12239] <... socket resumed>) = 4 [pid 12239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12238] <... futex resumed>) = 0 [pid 12239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12238] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12238] <... futex resumed>) = 0 [pid 12239] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12238] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12239] <... sendto resumed>) = 32 [pid 12239] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12238}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12245] close(3) = 0 [pid 12239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] close(4 [pid 12239] <... futex resumed>) = 1 [pid 12238] <... futex resumed>) = 0 [pid 12245] <... close resumed>) = 0 [pid 12245] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12245] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12239] getsockname(4, [pid 12238] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12239] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12238, nl_groups=00000000}, [116 => 12]) = 0 [pid 12238] <... futex resumed>) = 0 [pid 12239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12238] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12239] <... futex resumed>) = 0 [pid 12238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12238] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12238] <... futex resumed>) = 0 [pid 12239] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xce\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12238] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12245] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12245] ioctl(3, LOOP_CLR_FD) = 0 [pid 12245] close(3) = 0 [pid 12245] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12245] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12231] <... sendmsg resumed>) = 64 [pid 12244] <... futex resumed>) = 0 [pid 12231] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12244] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] <... ioctl resumed>) = 0 [pid 12231] <... futex resumed>) = 0 [pid 12229] exit_group(0 [pid 12244] <... futex resumed>) = 1 [pid 12243] close(3 [pid 12241] <... futex resumed>) = ? [pid 12229] <... exit_group resumed>) = ? [pid 12244] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12243] <... close resumed>) = 0 [pid 12241] +++ exited with 0 +++ [pid 12231] +++ exited with 0 +++ [pid 12243] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] <... futex resumed>) = 0 [pid 12243] <... futex resumed>) = 1 [pid 12240] <... futex resumed>) = 0 [pid 12245] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12243] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12240] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] <... socket resumed>) = 3 [pid 12243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12240] <... futex resumed>) = 0 [pid 12245] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12240] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12245] <... futex resumed>) = 1 [pid 12244] <... futex resumed>) = 0 [pid 12243] <... socket resumed>) = 3 [pid 12245] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12244] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] <... socket resumed>) = 4 [pid 12244] <... futex resumed>) = 0 [pid 12243] <... futex resumed>) = 1 [pid 12240] <... futex resumed>) = 0 [pid 12245] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12244] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12243] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12240] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] <... futex resumed>) = 0 [pid 12244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12240] <... futex resumed>) = 0 [pid 12245] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12244] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12240] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12244] <... futex resumed>) = 0 [pid 12243] <... socket resumed>) = 4 [pid 12245] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12244] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12243] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12240] <... futex resumed>) = 0 [pid 12243] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12240] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12240] <... futex resumed>) = 0 [pid 12243] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12240] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12245] <... sendto resumed>) = 32 [pid 12243] <... sendto resumed>) = 32 [pid 12245] recvfrom(4, [pid 12243] recvfrom(4, [pid 12233] <... sendmsg resumed>) = 64 [pid 12245] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12244}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12243] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12240}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12233] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12233] <... futex resumed>) = 0 [pid 12230] exit_group(0 [pid 12245] <... futex resumed>) = 1 [pid 12244] <... futex resumed>) = 0 [pid 12243] <... futex resumed>) = 1 [pid 12240] <... futex resumed>) = 0 [pid 12233] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12245] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12244] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12240] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12244] <... futex resumed>) = 0 [pid 12243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12240] <... futex resumed>) = 0 [pid 12245] getsockname(4, [pid 12244] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12243] getsockname(4, [pid 12240] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12245] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12244, nl_groups=00000000}, [116 => 12]) = 0 [pid 12243] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12240, nl_groups=00000000}, [116 => 12]) = 0 [pid 12245] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] <... futex resumed>) = 1 [pid 12244] <... futex resumed>) = 0 [pid 12243] <... futex resumed>) = 1 [pid 12240] <... futex resumed>) = 0 [pid 12245] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12244] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12240] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12244] <... futex resumed>) = 0 [pid 12243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12240] <... futex resumed>) = 0 [pid 12245] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd4\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12244] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 171.204464][T12243] exfat: Bad value for 'uid' [ 171.224902][T12245] loop0: detected capacity change from 0 to 256 [ 171.239870][T12245] exfat: Bad value for 'uid' [ 171.243296][T12239] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [pid 12243] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd0\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12240] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12242] <... futex resumed>) = ? [pid 12230] <... exit_group resumed>) = ? [pid 12242] +++ exited with 0 +++ [pid 12233] <... futex resumed>) = ? [pid 12233] +++ exited with 0 +++ [pid 12230] +++ exited with 0 +++ [pid 12229] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12229, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12230, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 300] <... restart_syscall resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 300] ioctl(3, LOOP_CLR_FD [pid 297] <... openat resumed>) = 3 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] ioctl(3, LOOP_CLR_FD [pid 300] close(3 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 300] <... close resumed>) = 0 [pid 297] close(3 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... close resumed>) = 0 [pid 12238] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12238] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12249 [pid 12238] <... futex resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12250 [pid 12238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12238] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12251]}, 88) = 12251 [pid 12238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12238] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12238] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12251 attached [pid 12251] set_robust_list(0x7fb9262379a0, 24) = 0 ./strace-static-x86_64: Process 12249 attached ./strace-static-x86_64: Process 12250 attached [pid 12251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12250] set_robust_list(0x5555555916a0, 24 [pid 12249] set_robust_list(0x5555555916a0, 24) = 0 [pid 12249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12249] setpgid(0, 0) = 0 [pid 12249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12251] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12250] <... set_robust_list resumed>) = 0 [pid 12249] <... openat resumed>) = 3 [pid 12249] write(3, "1000", 4) = 4 [pid 12249] close(3) = 0 [pid 12249] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12249] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12249] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12249] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12252]}, 88) = 12252 [pid 12249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12249] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12249] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12252 attached [pid 12252] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12252] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12252] memfd_create("syzkaller", 0) = 3 [pid 12252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12251] <... bpf resumed>) = 5 [pid 12250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12251] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12238] <... futex resumed>) = 0 [pid 12250] <... prctl resumed>) = 0 [pid 12238] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12238] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12251] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12250] setpgid(0, 0 [pid 12251] <... bpf resumed>) = 0 [pid 12250] <... setpgid resumed>) = 0 [pid 12251] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12251] <... futex resumed>) = 1 [pid 12238] <... futex resumed>) = 0 [pid 12250] write(3, "1000", 4 [pid 12238] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] <... write resumed>) = 4 [pid 12238] <... futex resumed>) = 0 [pid 12238] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12250] close(3) = 0 [pid 12252] <... write resumed>) = 131072 [pid 12250] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] munmap(0x7fb91de38000, 138412032 [pid 12251] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12250] <... futex resumed>) = 0 [pid 12252] <... munmap resumed>) = 0 [pid 12250] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12252] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12251] <... bpf resumed>) = 6 [pid 12252] <... openat resumed>) = 4 [pid 12251] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12252] ioctl(4, LOOP_SET_FD, 3 [pid 12251] <... futex resumed>) = 1 [pid 12250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12238] <... futex resumed>) = 0 [pid 12238] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12238] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12250] <... mmap resumed>) = 0x7fb926238000 [pid 12250] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12253]}, 88) = 12253 [pid 12250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12250] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12250] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12251] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 12253 attached [pid 12253] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12253] memfd_create("syzkaller", 0) = 3 [pid 12253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12252] <... ioctl resumed>) = 0 [pid 12253] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12252] close(3) = 0 [pid 12252] close(4 [pid 12253] <... write resumed>) = 131072 [pid 12252] <... close resumed>) = 0 [pid 12253] munmap(0x7fb91de38000, 138412032 [pid 12252] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 171.280877][T12245] netlink: 4 bytes leftover after parsing attributes in process `syz-executor204'. [ 171.318604][T12252] loop4: detected capacity change from 0 to 256 [pid 12252] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12253] <... munmap resumed>) = 0 [pid 12251] <... bpf resumed>) = 7 [pid 12252] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12251] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12251] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12253] ioctl(4, LOOP_SET_FD, 3 [pid 12252] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12238] <... futex resumed>) = 0 [pid 12238] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12238] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12251] <... futex resumed>) = 0 [pid 12244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12244] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12244] <... futex resumed>) = 0 [pid 12240] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12240] <... futex resumed>) = 0 [pid 12244] <... mmap resumed>) = 0x7fb926217000 [pid 12240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12244] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12240] <... mmap resumed>) = 0x7fb926217000 [pid 12244] <... mprotect resumed>) = 0 [pid 12240] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12240] <... mprotect resumed>) = 0 [pid 12244] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12244] <... clone3 resumed> => {parent_tid=[12254]}, 88) = 12254 [pid 12244] rt_sigprocmask(SIG_SETMASK, [], [pid 12240] <... clone3 resumed> => {parent_tid=[12255]}, 88) = 12255 ./strace-static-x86_64: Process 12254 attached ./strace-static-x86_64: Process 12255 attached [pid 12253] <... ioctl resumed>) = 0 [pid 12252] <... openat resumed>) = 3 [pid 12251] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12240] rt_sigprocmask(SIG_SETMASK, [], [pid 12255] set_robust_list(0x7fb9262379a0, 24 [pid 12254] set_robust_list(0x7fb9262379a0, 24 [pid 12253] close(3 [pid 12252] ioctl(3, LOOP_CLR_FD [pid 12244] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12253] <... close resumed>) = 0 [pid 12244] <... futex resumed>) = 0 [pid 12240] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] <... set_robust_list resumed>) = 0 [pid 12253] close(4 [pid 12244] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12240] <... futex resumed>) = 0 [pid 12254] rt_sigprocmask(SIG_SETMASK, [], [pid 12253] <... close resumed>) = 0 [pid 12240] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12253] mkdir("./file0", 0777 [pid 12254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12253] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12254] <... bpf resumed>) = 5 [pid 12253] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12255] <... set_robust_list resumed>) = 0 [pid 12251] <... bpf resumed>) = 8 [pid 12251] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12251] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12255] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12254] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12254] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12238] <... futex resumed>) = 0 [pid 12238] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12251] <... futex resumed>) = 0 [pid 12238] <... futex resumed>) = 1 [pid 12251] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12238] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12253] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12244] <... futex resumed>) = 0 [pid 12240] <... futex resumed>) = 0 [pid 12244] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12240] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] <... futex resumed>) = 0 [pid 12244] <... futex resumed>) = 1 [pid 12240] <... futex resumed>) = 1 [pid 12254] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12251] <... bpf resumed>) = 9 [pid 12244] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12240] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12254] <... bpf resumed>) = 0 [pid 12251] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] <... futex resumed>) = 0 [pid 12254] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12238] <... futex resumed>) = 0 [pid 12251] <... futex resumed>) = 1 [pid 12255] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12254] <... futex resumed>) = 1 [pid 12244] <... futex resumed>) = 0 [pid 12251] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12255] <... bpf resumed>) = 0 [pid 12254] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] <... openat resumed>) = 3 [pid 12244] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12255] <... futex resumed>) = 1 [pid 12254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12253] ioctl(3, LOOP_CLR_FD [pid 12244] <... futex resumed>) = 0 [pid 12240] <... futex resumed>) = 0 [pid 12255] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12244] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12240] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12240] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12254] <... bpf resumed>) = 6 [pid 12255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12254] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12254] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12244] <... futex resumed>) = 0 [pid 12244] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] <... futex resumed>) = 0 [pid 12244] <... futex resumed>) = 1 [pid 12255] <... bpf resumed>) = 6 [pid 12254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12244] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] <... bpf resumed>) = 7 [pid 12255] <... futex resumed>) = 1 [pid 12254] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12240] <... futex resumed>) = 0 [pid 12255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12254] <... futex resumed>) = 1 [pid 12244] <... futex resumed>) = 0 [pid 12240] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] <... bpf resumed>) = 7 [pid 12254] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12244] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12240] <... futex resumed>) = 0 [pid 12254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12244] <... futex resumed>) = 0 [pid 12255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12244] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12240] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12255] <... futex resumed>) = 0 [pid 12240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12240] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12240] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12254] <... bpf resumed>) = 8 [pid 12254] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12244] <... futex resumed>) = 0 [pid 12254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12244] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12255] <... bpf resumed>) = 8 [pid 12244] <... futex resumed>) = 0 [pid 12254] <... bpf resumed>) = 9 [pid 12255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12254] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12244] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12255] <... futex resumed>) = 1 [pid 12254] <... futex resumed>) = 0 [pid 12244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12240] <... futex resumed>) = 0 [pid 12254] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12240] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12240] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12255] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12240] <... futex resumed>) = 0 [pid 12255] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] <... ioctl resumed>) = 0 [pid 12252] <... ioctl resumed>) = 0 [pid 12253] close(3 [pid 12252] close(3 [pid 12253] <... close resumed>) = 0 [pid 12252] <... close resumed>) = 0 [pid 12253] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... futex resumed>) = 1 [pid 12252] <... futex resumed>) = 1 [pid 12250] <... futex resumed>) = 0 [pid 12253] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12252] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12250] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12250] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = 0 [pid 12253] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12250] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12249] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... socket resumed>) = 3 [pid 12252] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = 1 [pid 12253] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12249] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12253] <... futex resumed>) = 1 [pid 12252] <... socket resumed>) = 3 [pid 12250] <... futex resumed>) = 0 [pid 12253] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12252] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12252] <... futex resumed>) = 1 [pid 12250] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = 0 [pid 12253] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12252] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12250] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12249] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... socket resumed>) = 4 [pid 12252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12249] <... futex resumed>) = 0 [pid 12253] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12249] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12253] <... futex resumed>) = 1 [pid 12252] <... socket resumed>) = 4 [pid 12250] <... futex resumed>) = 0 [pid 12253] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12252] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12252] <... futex resumed>) = 1 [pid 12250] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = 0 [pid 12253] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12252] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12250] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12249] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... sendto resumed>) = 32 [pid 12252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12249] <... futex resumed>) = 0 [pid 12253] recvfrom(4, [pid 12252] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12253] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12250}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12252] <... sendto resumed>) = 32 [pid 12249] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12253] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] recvfrom(4, [pid 12253] <... futex resumed>) = 1 [pid 12252] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12249}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12250] <... futex resumed>) = 0 [pid 12253] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12252] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12252] <... futex resumed>) = 1 [pid 12250] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = 0 [pid 12253] getsockname(4, [pid 12252] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12250] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12249] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12250, nl_groups=00000000}, [116 => 12]) = 0 [pid 12252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12253] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] getsockname(4, [pid 12249] <... futex resumed>) = 0 [pid 12253] <... futex resumed>) = 1 [pid 12252] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12249, nl_groups=00000000}, [116 => 12]) = 0 [pid 12250] <... futex resumed>) = 0 [pid 12249] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12253] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12252] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12252] <... futex resumed>) = 0 [pid 12250] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12253] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xda\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12252] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12250] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12249] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12249] <... futex resumed>) = 0 [pid 12252] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xd9\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 171.328098][T12252] exfat: Bad value for 'uid' [ 171.333199][T12253] loop1: detected capacity change from 0 to 256 [ 171.342560][T12253] exfat: Bad value for 'uid' [pid 12249] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12245] <... sendmsg resumed>) = 64 [pid 12243] <... sendmsg resumed>) = 64 [pid 12239] <... sendmsg resumed>) = 64 [pid 12243] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12245] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12243] <... futex resumed>) = 0 [pid 12245] <... futex resumed>) = 0 [pid 12243] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12245] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12239] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12239] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12244] exit_group(0 [pid 12240] exit_group(0 [pid 12254] <... futex resumed>) = ? [pid 12245] <... futex resumed>) = ? [pid 12244] <... exit_group resumed>) = ? [pid 12240] <... exit_group resumed>) = ? [pid 12238] exit_group(0 [pid 12255] <... futex resumed>) = ? [pid 12254] +++ exited with 0 +++ [pid 12251] <... futex resumed>) = ? [pid 12243] <... futex resumed>) = ? [pid 12239] <... futex resumed>) = ? [pid 12238] <... exit_group resumed>) = ? [pid 12255] +++ exited with 0 +++ [pid 12251] +++ exited with 0 +++ [pid 12245] +++ exited with 0 +++ [pid 12244] +++ exited with 0 +++ [pid 12239] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12244, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12258 ./strace-static-x86_64: Process 12258 attached [pid 12258] set_robust_list(0x5555555916a0, 24) = 0 [pid 12258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12258] setpgid(0, 0) = 0 [pid 12258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12258] write(3, "1000", 4) = 4 [pid 12258] close(3) = 0 [pid 12258] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12258] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12258] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12258] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12259]}, 88) = 12259 [pid 12258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12259 attached [pid 12259] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12259] memfd_create("syzkaller", 0) = 3 [pid 12259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12259] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12259] munmap(0x7fb91de38000, 138412032) = 0 [pid 12259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12250] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12259] ioctl(4, LOOP_SET_FD, 3 [pid 12250] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12250] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12260]}, 88) = 12260 [pid 12250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12250] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12250] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12260 attached [pid 12260] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] <... futex resumed>) = 0 [pid 12250] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12250] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12260] <... futex resumed>) = 1 [pid 12260] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12250] <... futex resumed>) = 0 [pid 12250] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12250] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12260] <... futex resumed>) = 1 [pid 12249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12249] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12259] <... ioctl resumed>) = 0 [pid 12249] <... futex resumed>) = 0 [pid 12249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12259] close(3 [pid 12249] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12259] <... close resumed>) = 0 [pid 12249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12259] close(4 [pid 12249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12260] <... bpf resumed>) = 6 [pid 12260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12249] <... clone3 resumed> => {parent_tid=[12261]}, 88) = 12261 [pid 12250] <... futex resumed>) = 0 [pid 12250] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12261 attached [pid 12260] <... futex resumed>) = 1 [pid 12259] <... close resumed>) = 0 [pid 12250] <... futex resumed>) = 0 [pid 12249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12249] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12249] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12259] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12259] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12250] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12261] set_robust_list(0x7fb9262379a0, 24 [pid 12260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12261] <... set_robust_list resumed>) = 0 [pid 12261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12261] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12261] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12261] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12249] <... futex resumed>) = 0 [pid 12249] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12249] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12261] <... futex resumed>) = 0 [pid 12261] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12261] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12259] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12261] <... futex resumed>) = 1 [pid 12249] <... futex resumed>) = 0 [pid 12259] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12249] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12249] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12259] <... openat resumed>) = 3 [pid 12261] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12259] ioctl(3, LOOP_CLR_FD [pid 12261] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12249] <... futex resumed>) = 0 [pid 12249] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12249] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12261] <... futex resumed>) = 1 [pid 12261] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12260] <... bpf resumed>) = 7 [pid 12253] <... sendmsg resumed>) = 64 [pid 12238] +++ exited with 0 +++ [pid 12253] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12238, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12253] <... futex resumed>) = 0 [pid 12253] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12260] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12262 ./strace-static-x86_64: Process 12262 attached [pid 12262] set_robust_list(0x5555555916a0, 24) = 0 [pid 12262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12262] setpgid(0, 0) = 0 [pid 12262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12262] write(3, "1000", 4) = 4 [pid 12262] close(3) = 0 [pid 12262] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12262] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12260] <... futex resumed>) = 1 [pid 12250] <... futex resumed>) = 0 [pid 12250] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12253] <... futex resumed>) = 0 [pid 12250] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12263]}, 88) = 12263 [pid 12262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12262] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12263 attached [pid 12263] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12253] <... bpf resumed>) = 8 [pid 12253] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12250] <... futex resumed>) = 0 [pid 12253] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12250] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12250] <... futex resumed>) = 0 [pid 12250] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12263] memfd_create("syzkaller", 0) = 3 [pid 12263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12263] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12260] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12259] <... ioctl resumed>) = 0 [pid 12259] close(3) = 0 [pid 12259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12258] <... futex resumed>) = 0 [pid 12259] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12259] <... socket resumed>) = 3 [pid 12258] <... futex resumed>) = 0 [pid 12259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12259] <... futex resumed>) = 0 [pid 12258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12259] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12259] <... socket resumed>) = 4 [pid 12258] <... futex resumed>) = 0 [pid 12259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12259] <... futex resumed>) = 0 [pid 12258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12259] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12259] <... sendto resumed>) = 32 [pid 12258] <... futex resumed>) = 0 [pid 12259] recvfrom(4, [pid 12258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12259] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12258}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12258] <... futex resumed>) = 0 [pid 12259] getsockname(4, [pid 12258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12259] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12258, nl_groups=00000000}, [116 => 12]) = 0 [pid 12258] <... futex resumed>) = 0 [pid 12259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12259] <... futex resumed>) = 0 [pid 12258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12259] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe2\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12258] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12258] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12263] <... write resumed>) = 131072 [pid 12263] munmap(0x7fb91de38000, 138412032) = 0 [pid 12263] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12263] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12263] close(3) = 0 [pid 12263] close(4) = 0 [pid 12263] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12263] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12263] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12263] ioctl(3, LOOP_CLR_FD) = 0 [pid 12263] close(3) = 0 [pid 12263] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12263] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12262] <... futex resumed>) = 0 [pid 12261] <... bpf resumed>) = 7 [pid 12253] <... bpf resumed>) = 9 [pid 12252] <... sendmsg resumed>) = 64 [pid 12243] +++ exited with 0 +++ [pid 12240] +++ exited with 0 +++ [pid 12262] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12261] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12253] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12252] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12262] <... futex resumed>) = 1 [pid 12261] <... futex resumed>) = 1 [pid 12253] <... futex resumed>) = 1 [pid 12252] <... futex resumed>) = 0 [pid 12250] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12240, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 12262] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12261] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12253] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12250] exit_group(0 [pid 12249] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 12260] <... futex resumed>) = ? [pid 12253] <... futex resumed>) = ? [pid 12252] <... bpf resumed>) = 8 [pid 12250] <... exit_group resumed>) = ? [pid 12249] <... futex resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 12263] <... futex resumed>) = 0 [pid 12260] +++ exited with 0 +++ [pid 12252] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12249] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12252] <... futex resumed>) = 0 [pid 12249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12263] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12249] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12263] <... socket resumed>) = 3 [pid 12249] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 298] <... openat resumed>) = 3 [pid 12252] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12263] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12263] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 12262] <... futex resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 12262] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12262] <... futex resumed>) = 1 [pid 12262] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12263] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12265 [pid 12263] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12263] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12262] <... futex resumed>) = 0 [pid 12262] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12263] <... futex resumed>) = 1 [pid 12263] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 12263] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12262}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12263] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12262] <... futex resumed>) = 0 [pid 12262] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12263] <... futex resumed>) = 1 [pid 12263] getsockname(4, {sa_family=AF_NETLINK, nl_pid=12262, nl_groups=00000000}, [116 => 12]) = 0 [pid 12263] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12265 attached [pid 12262] <... futex resumed>) = 0 [pid 12265] set_robust_list(0x5555555916a0, 24 [pid 12263] <... futex resumed>) = 1 [pid 12262] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12265] <... set_robust_list resumed>) = 0 [pid 12262] <... futex resumed>) = 0 [pid 12265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12262] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12263] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe6\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12265] <... prctl resumed>) = 0 [pid 12265] setpgid(0, 0) = 0 [pid 12265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12265] write(3, "1000", 4) = 4 [pid 12265] close(3) = 0 [pid 12265] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12265] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12253] +++ exited with 0 +++ [pid 12265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12252] <... bpf resumed>) = 9 [pid 12250] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12250, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12252] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12249] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12252] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12249] exit_group(0 [pid 297] <... openat resumed>) = 3 [pid 12261] <... futex resumed>) = ? [pid 12252] <... futex resumed>) = ? [pid 12249] <... exit_group resumed>) = ? [pid 297] ioctl(3, LOOP_CLR_FD [pid 12265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12261] +++ exited with 0 +++ [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12252] +++ exited with 0 +++ [pid 12249] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12267 [pid 300] <... restart_syscall resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12268 [pid 12265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12265] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 171.435146][T12259] loop0: detected capacity change from 0 to 256 [ 171.447385][T12259] exfat: Bad value for 'uid' [ 171.471160][T12263] loop3: detected capacity change from 0 to 256 [ 171.478657][T12263] exfat: Bad value for 'uid' [pid 12265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12269]}, 88) = 12269 [pid 12265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12269 attached [pid 12269] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 12267 attached ./strace-static-x86_64: Process 12268 attached [pid 12269] memfd_create("syzkaller", 0 [pid 12268] set_robust_list(0x5555555916a0, 24 [pid 12267] set_robust_list(0x5555555916a0, 24 [pid 12269] <... memfd_create resumed>) = 3 [pid 12268] <... set_robust_list resumed>) = 0 [pid 12267] <... set_robust_list resumed>) = 0 [pid 12268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12268] <... prctl resumed>) = 0 [pid 12267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12267] setpgid(0, 0) = 0 [pid 12268] setpgid(0, 0 [pid 12267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12268] <... setpgid resumed>) = 0 [pid 12267] <... openat resumed>) = 3 [pid 12267] write(3, "1000", 4) = 4 [pid 12267] close(3) = 0 [pid 12268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12267] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12267] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12258] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12267] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12258] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... openat resumed>) = 3 [pid 12267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12258] <... futex resumed>) = 0 [pid 12258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12258] <... mmap resumed>) = 0x7fb926217000 [pid 12258] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12258] <... mprotect resumed>) = 0 [pid 12258] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12267] <... clone3 resumed> => {parent_tid=[12270]}, 88) = 12270 [pid 12267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12267] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12267] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12271 attached [pid 12271] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12271] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12270 attached [pid 12270] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12258] <... clone3 resumed> => {parent_tid=[12271]}, 88) = 12271 [pid 12270] rt_sigprocmask(SIG_SETMASK, [], [pid 12258] rt_sigprocmask(SIG_SETMASK, [], [pid 12270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12271] <... futex resumed>) = 0 [pid 12271] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12268] write(3, "1000", 4 [pid 12271] <... bpf resumed>) = 5 [pid 12271] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12258] <... futex resumed>) = 0 [pid 12268] <... write resumed>) = 4 [pid 12258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12268] close(3 [pid 12271] <... futex resumed>) = 1 [pid 12271] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12271] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12258] <... futex resumed>) = 0 [pid 12258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12271] <... futex resumed>) = 1 [pid 12271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12268] <... close resumed>) = 0 [pid 12271] <... bpf resumed>) = 6 [pid 12268] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12271] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... futex resumed>) = 0 [pid 12258] <... futex resumed>) = 0 [pid 12258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12271] <... futex resumed>) = 1 [pid 12271] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12270] memfd_create("syzkaller", 0 [pid 12269] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12268] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12271] <... bpf resumed>) = 7 [pid 12271] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12271] <... futex resumed>) = 1 [pid 12258] <... futex resumed>) = 0 [pid 12268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12258] <... futex resumed>) = 0 [pid 12268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12268] <... mmap resumed>) = 0x7fb926238000 [pid 12268] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12272]}, 88) = 12272 [pid 12268] rt_sigprocmask(SIG_SETMASK, [], [pid 12271] <... bpf resumed>) = 8 [pid 12268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12268] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12268] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12272 attached [pid 12271] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12270] <... memfd_create resumed>) = 3 [pid 12272] set_robust_list(0x7fb9262589a0, 24 [pid 12269] <... write resumed>) = 131072 [pid 12269] munmap(0x7fb91de38000, 138412032 [pid 12271] <... futex resumed>) = 1 [pid 12270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12258] <... futex resumed>) = 0 [pid 12272] <... set_robust_list resumed>) = 0 [pid 12269] <... munmap resumed>) = 0 [pid 12258] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12271] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12270] <... mmap resumed>) = 0x7fb91de38000 [pid 12258] <... futex resumed>) = 0 [pid 12272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12272] memfd_create("syzkaller", 0 [pid 12271] <... bpf resumed>) = 9 [pid 12258] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12272] <... memfd_create resumed>) = 3 [pid 12272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12271] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12272] <... mmap resumed>) = 0x7fb91de38000 [pid 12271] <... futex resumed>) = 1 [pid 12258] <... futex resumed>) = 0 [pid 12271] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12270] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12269] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12272] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12270] <... write resumed>) = 131072 [pid 12269] <... openat resumed>) = 4 [pid 12270] munmap(0x7fb91de38000, 138412032 [pid 12269] ioctl(4, LOOP_SET_FD, 3 [pid 12272] <... write resumed>) = 131072 [pid 12272] munmap(0x7fb91de38000, 138412032 [pid 12270] <... munmap resumed>) = 0 [pid 12272] <... munmap resumed>) = 0 [pid 12270] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12272] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12270] <... openat resumed>) = 4 [pid 12272] <... openat resumed>) = 4 [pid 12272] ioctl(4, LOOP_SET_FD, 3 [pid 12270] ioctl(4, LOOP_SET_FD, 3 [pid 12269] <... ioctl resumed>) = 0 [pid 12272] <... ioctl resumed>) = 0 [pid 12269] close(3 [pid 12272] close(3) = 0 [pid 12272] close(4) = 0 [pid 12269] <... close resumed>) = 0 [pid 12269] close(4) = 0 [pid 12272] mkdir("./file0", 0777 [pid 12269] mkdir("./file0", 0777 [pid 12272] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12269] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12262] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12262] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12262] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12273]}, 88) = 12273 [pid 12262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12262] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12272] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12269] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12272] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12272] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12272] ioctl(3, LOOP_CLR_FD) = 0 [pid 12272] close(3) = 0 [pid 12272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... futex resumed>) = 0 [pid 12268] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12268] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12272] <... futex resumed>) = 1 [pid 12272] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... futex resumed>) = 0 [pid 12268] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12268] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12272] <... futex resumed>) = 1 [pid 12272] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... futex resumed>) = 0 [pid 12268] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12268] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12272] <... futex resumed>) = 1 [pid 12272] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 12272] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12268}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... futex resumed>) = 0 [pid 12268] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12268] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12272] <... futex resumed>) = 1 [pid 12272] getsockname(4, {sa_family=AF_NETLINK, nl_pid=12268, nl_groups=00000000}, [116 => 12]) = 0 [pid 12272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12268] <... futex resumed>) = 0 [pid 12272] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xec\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12268] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12268] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12269] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12269] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12269] ioctl(3, LOOP_CLR_FD [pid 12270] <... ioctl resumed>) = 0 [pid 12270] close(3) = 0 [pid 12270] close(4) = 0 [pid 12270] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12270] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12270] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 12270] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12273 attached [pid 12273] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12273] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12273] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12262] <... futex resumed>) = 0 [pid 12262] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12273] <... futex resumed>) = 1 [pid 12273] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12273] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12262] <... futex resumed>) = 0 [pid 12262] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12273] <... futex resumed>) = 1 [pid 12273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12273] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12262] <... futex resumed>) = 0 [pid 12262] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12273] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12273] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12273] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12262] <... futex resumed>) = 1 [pid 12262] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 12262] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12262] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12273] <... futex resumed>) = 0 [pid 12273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12259] <... sendmsg resumed>) = 64 [pid 12259] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12259] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12258] exit_group(0 [pid 12271] <... futex resumed>) = ? [pid 12259] <... futex resumed>) = ? [pid 12258] <... exit_group resumed>) = ? [pid 12273] <... bpf resumed>) = 8 [pid 12271] +++ exited with 0 +++ [pid 12259] +++ exited with 0 +++ [pid 12273] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12273] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12262] <... futex resumed>) = 0 [pid 12269] <... ioctl resumed>) = 0 [pid 12262] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12269] close(3 [pid 12262] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12269] <... close resumed>) = 0 [pid 12269] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12265] <... futex resumed>) = 0 [pid 12269] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [ 171.536452][T12269] loop2: detected capacity change from 0 to 256 [ 171.537231][T12272] loop4: detected capacity change from 0 to 256 [ 171.543289][T12270] loop1: detected capacity change from 0 to 256 [ 171.552636][T12272] exfat: Bad value for 'uid' [ 171.553625][T12269] exfat: Bad value for 'uid' [ 171.575609][T12270] exfat: Bad value for 'uid' [pid 12265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12273] <... futex resumed>) = 0 [pid 12273] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12270] <... ioctl resumed>) = 0 [pid 12270] close(3) = 0 [pid 12270] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] <... futex resumed>) = 0 [pid 12263] <... sendmsg resumed>) = 64 [pid 12265] <... futex resumed>) = 0 [pid 12269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12263] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12258] +++ exited with 0 +++ [pid 12265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12269] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12263] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12258, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12267] <... futex resumed>) = 0 [pid 12269] <... socket resumed>) = 3 [pid 12263] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12269] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12267] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12265] <... futex resumed>) = 0 [pid 12269] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12273] <... bpf resumed>) = 9 [pid 12269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12265] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 12269] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12273] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] ioctl(3, LOOP_CLR_FD [pid 12269] <... socket resumed>) = 4 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12269] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12262] <... futex resumed>) = 0 [pid 12269] <... futex resumed>) = 1 [pid 294] close(3 [pid 12273] <... futex resumed>) = 1 [pid 12269] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12265] <... futex resumed>) = 0 [pid 12262] exit_group(0 [pid 294] <... close resumed>) = 0 [pid 12273] ????( [pid 12263] <... futex resumed>) = ? [pid 12262] <... exit_group resumed>) = ? [pid 12265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12263] +++ exited with 0 +++ [pid 12265] <... futex resumed>) = 1 [pid 12265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12269] <... futex resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12273] <... ???? resumed>) = ? [pid 12269] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12275 [pid 12269] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12265}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12269] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12265] <... futex resumed>) = 0 [pid 12269] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12265] <... futex resumed>) = 0 [pid 12269] getsockname(4, [pid 12265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12269] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12265, nl_groups=00000000}, [116 => 12]) = 0 [pid 12269] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12273] +++ exited with 0 +++ [pid 12269] <... futex resumed>) = 1 [pid 12265] <... futex resumed>) = 0 [pid 12262] +++ exited with 0 +++ [pid 12269] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12265] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12265] <... futex resumed>) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 12269] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xe9\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12268] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12265] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... restart_syscall resumed>) = 0 [pid 12268] <... futex resumed>) = 0 [pid 12270] <... futex resumed>) = 1 [pid 12268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12268] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 12275 attached [pid 12270] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12268] <... mprotect resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12270] <... socket resumed>) = 3 [pid 12268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12270] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] <... openat resumed>) = 3 [pid 12270] <... futex resumed>) = 1 [pid 12268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12267] <... futex resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 12270] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12267] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12268] <... clone3 resumed> => {parent_tid=[12277]}, 88) = 12277 [pid 12267] <... futex resumed>) = 0 [pid 12268] rt_sigprocmask(SIG_SETMASK, [], [pid 12267] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] close(3 [pid 12275] set_robust_list(0x5555555916a0, 24 [pid 12270] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12268] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 12270] <... socket resumed>) = 4 [pid 12275] <... set_robust_list resumed>) = 0 [pid 12270] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12270] <... futex resumed>) = 1 [pid 12268] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12267] <... futex resumed>) = 0 [pid 12270] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12267] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] <... prctl resumed>) = 0 [pid 12270] <... sendto resumed>) = 32 [pid 12267] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12278 [pid 12275] setpgid(0, 0 [pid 12270] recvfrom(4, [pid 12267] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12275] <... setpgid resumed>) = 0 [pid 12270] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12267}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12270] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12270] <... futex resumed>) = 1 [pid 12267] <... futex resumed>) = 0 [pid 12275] <... openat resumed>) = 3 [pid 12270] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12267] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] write(3, "1000", 4 [pid 12270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12267] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12278 attached [pid 12275] <... write resumed>) = 4 [pid 12270] getsockname(4, [pid 12267] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] set_robust_list(0x5555555916a0, 24 [pid 12275] close(3 [pid 12270] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12267, nl_groups=00000000}, [116 => 12]) = 0 [pid 12278] <... set_robust_list resumed>) = 0 [pid 12275] <... close resumed>) = 0 [pid 12270] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12270] <... futex resumed>) = 1 [pid 12267] <... futex resumed>) = 0 [pid 12275] <... futex resumed>) = 0 [pid 12270] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12267] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12267] <... futex resumed>) = 0 [pid 12278] <... prctl resumed>) = 0 [pid 12275] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12270] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xeb\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12267] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] setpgid(0, 0 [pid 12275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12278] <... setpgid resumed>) = 0 [pid 12275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12275] <... mmap resumed>) = 0x7fb926238000 ./strace-static-x86_64: Process 12277 attached [pid 12275] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12278] <... openat resumed>) = 3 [pid 12275] <... mprotect resumed>) = 0 [pid 12277] set_robust_list(0x7fb9262379a0, 24 [pid 12278] write(3, "1000", 4 [pid 12277] <... set_robust_list resumed>) = 0 [pid 12275] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12277] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12268] <... futex resumed>) = 0 [pid 12278] <... write resumed>) = 4 [pid 12277] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12275] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12268] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] close(3 [pid 12277] <... bpf resumed>) = 0 [pid 12275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12268] <... futex resumed>) = 0 [pid 12277] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12277] <... futex resumed>) = 0 [pid 12268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12268] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] <... clone3 resumed> => {parent_tid=[12281]}, 88) = 12281 [pid 12278] <... close resumed>) = 0 [pid 12277] <... bpf resumed>) = 6 [pid 12268] <... futex resumed>) = 0 [pid 12277] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12277] <... futex resumed>) = 0 [pid 12268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12268] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12277] <... bpf resumed>) = 7 [pid 12268] <... futex resumed>) = 0 [pid 12277] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12277] <... futex resumed>) = 0 [pid 12268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12275] rt_sigprocmask(SIG_SETMASK, [], [pid 12268] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] <... futex resumed>) = 0 [pid 12277] <... bpf resumed>) = 8 [pid 12275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12268] <... futex resumed>) = 0 [pid 12278] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12277] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12277] <... futex resumed>) = 0 [pid 12275] <... futex resumed>) = 0 [pid 12268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12275] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12268] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12281 attached [pid 12278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12277] <... bpf resumed>) = 9 [pid 12268] <... futex resumed>) = 0 [pid 12281] set_robust_list(0x7fb9262589a0, 24 [pid 12277] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12268] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12281] <... set_robust_list resumed>) = 0 [pid 12278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12277] <... futex resumed>) = 0 [pid 12268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12281] rt_sigprocmask(SIG_SETMASK, [], [pid 12278] <... mmap resumed>) = 0x7fb926238000 [pid 12277] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12278] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12281] memfd_create("syzkaller", 0 [pid 12278] <... mprotect resumed>) = 0 [pid 12281] <... memfd_create resumed>) = 3 [pid 12278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12282 attached [pid 12281] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12278] <... clone3 resumed> => {parent_tid=[12282]}, 88) = 12282 [pid 12282] set_robust_list(0x7fb9262589a0, 24 [pid 12281] <... write resumed>) = 131072 [pid 12278] rt_sigprocmask(SIG_SETMASK, [], [pid 12282] <... set_robust_list resumed>) = 0 [pid 12281] munmap(0x7fb91de38000, 138412032 [pid 12278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12282] rt_sigprocmask(SIG_SETMASK, [], [pid 12281] <... munmap resumed>) = 0 [pid 12282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12281] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12278] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12272] <... sendmsg resumed>) = 64 [pid 12282] memfd_create("syzkaller", 0 [pid 12281] <... openat resumed>) = 4 [pid 12278] <... futex resumed>) = 0 [pid 12272] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... memfd_create resumed>) = 3 [pid 12281] ioctl(4, LOOP_SET_FD, 3 [pid 12278] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12272] <... futex resumed>) = 0 [ 171.607458][ T1850] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 12272] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12282] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12282] munmap(0x7fb91de38000, 138412032) = 0 [pid 12282] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12282] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12282] close(3) = 0 [pid 12282] close(4) = 0 [pid 12282] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12282] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12281] <... ioctl resumed>) = 0 [pid 12268] exit_group(0 [pid 12281] close(3 [pid 12277] <... futex resumed>) = ? [pid 12272] <... futex resumed>) = ? [pid 12268] <... exit_group resumed>) = ? [pid 12281] <... close resumed>) = 0 [pid 12277] +++ exited with 0 +++ [pid 12272] +++ exited with 0 +++ [pid 12268] +++ exited with 0 +++ [pid 12281] close(4) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12268, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12281] mkdir("./file0", 0777 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12281] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 300] <... openat resumed>) = 3 [pid 12281] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 300] ioctl(3, LOOP_CLR_FD [pid 12282] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12282] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12265] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... openat resumed>) = 3 [pid 12281] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12265] <... futex resumed>) = 0 [pid 300] close(3 [pid 12281] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 300] <... close resumed>) = 0 [pid 12281] <... openat resumed>) = 3 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12281] ioctl(3, LOOP_CLR_FD [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12283 [pid 12265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 ./strace-static-x86_64: Process 12283 attached [pid 12283] set_robust_list(0x5555555916a0, 24 [pid 12265] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12283] <... set_robust_list resumed>) = 0 [pid 12265] <... mprotect resumed>) = 0 [pid 12265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12283] setpgid(0, 0 [pid 12265] <... clone3 resumed> => {parent_tid=[12284]}, 88) = 12284 [pid 12265] rt_sigprocmask(SIG_SETMASK, [], [pid 12283] <... setpgid resumed>) = 0 [pid 12265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12283] write(3, "1000", 4) = 4 [pid 12283] close(3) = 0 [pid 12283] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12283] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12283] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12282] ioctl(3, LOOP_CLR_FD [pid 12283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12285]}, 88) = 12285 [pid 12283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12284 attached [pid 12284] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12284] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12284] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12265] <... futex resumed>) = 0 [pid 12284] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12285 attached [pid 12285] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12285] rt_sigprocmask(SIG_SETMASK, [], [pid 12265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12284] <... futex resumed>) = 0 [pid 12265] <... futex resumed>) = 1 [pid 12267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12284] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12267] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 12265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12284] <... bpf resumed>) = 0 [pid 12267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12267] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 12284] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12284] <... futex resumed>) = 1 [pid 12267] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12265] <... futex resumed>) = 0 [pid 12284] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12267] <... futex resumed>) = 0 [pid 12265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12265] <... futex resumed>) = 0 [pid 12267] <... mmap resumed>) = 0x7fb926217000 [pid 12265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12284] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12267] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12285] memfd_create("syzkaller", 0) = 3 [pid 12285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12267] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12284] <... bpf resumed>) = 6 [pid 12267] <... clone3 resumed> => {parent_tid=[12286]}, 88) = 12286 [pid 12267] rt_sigprocmask(SIG_SETMASK, [], [pid 12284] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12267] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12284] <... futex resumed>) = 1 [pid 12267] <... futex resumed>) = 0 [pid 12265] <... futex resumed>) = 0 [pid 12284] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12267] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12265] <... futex resumed>) = 0 [pid 12284] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12284] <... bpf resumed>) = 7 [pid 12284] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12265] <... futex resumed>) = 0 [pid 12284] <... futex resumed>) = 1 [pid 12265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12284] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12265] <... futex resumed>) = 0 [pid 12265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12285] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12285] munmap(0x7fb91de38000, 138412032 [pid 12284] <... bpf resumed>) = 8 [pid 12284] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] <... munmap resumed>) = 0 [pid 12284] <... futex resumed>) = 1 [pid 12265] <... futex resumed>) = 0 [pid 12285] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12284] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12265] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12265] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12285] <... openat resumed>) = 4 [pid 12285] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 12286 attached [pid 12286] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12286] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12285] <... ioctl resumed>) = 0 [pid 12284] <... bpf resumed>) = 9 [pid 12286] <... bpf resumed>) = 5 [pid 12286] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12284] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] close(3 [pid 12286] <... futex resumed>) = 1 [pid 12285] <... close resumed>) = 0 [pid 12284] <... futex resumed>) = 1 [pid 12267] <... futex resumed>) = 0 [pid 12265] <... futex resumed>) = 0 [pid 12284] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12267] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12286] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12286] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] close(4 [pid 12267] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12286] <... futex resumed>) = 0 [pid 12286] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12285] <... close resumed>) = 0 [pid 12285] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12285] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [ 171.658126][T12281] loop0: detected capacity change from 0 to 256 [ 171.664318][T12282] loop3: detected capacity change from 0 to 256 [ 171.672971][T12282] exfat: Bad value for 'uid' [ 171.673907][T12281] exfat: Bad value for 'uid' [ 171.694899][T12285] loop4: detected capacity change from 0 to 256 [pid 12267] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12267] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12281] <... ioctl resumed>) = 0 [pid 12286] <... futex resumed>) = 0 [pid 12285] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12281] close(3 [pid 12286] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12281] <... close resumed>) = 0 [pid 12286] <... bpf resumed>) = 6 [pid 12281] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12281] <... futex resumed>) = 1 [pid 12275] <... futex resumed>) = 0 [pid 12286] <... futex resumed>) = 1 [pid 12285] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12281] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12275] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] <... futex resumed>) = 0 [pid 12286] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12275] <... futex resumed>) = 0 [pid 12267] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12281] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12275] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12267] <... futex resumed>) = 0 [pid 12286] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12281] <... socket resumed>) = 3 [pid 12267] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12286] <... bpf resumed>) = 7 [pid 12281] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12281] <... futex resumed>) = 1 [pid 12275] <... futex resumed>) = 0 [pid 12286] <... futex resumed>) = 1 [pid 12281] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12275] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] <... futex resumed>) = 0 [pid 12286] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12275] <... futex resumed>) = 0 [pid 12267] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12281] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12275] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12267] <... futex resumed>) = 0 [pid 12286] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12281] <... socket resumed>) = 4 [pid 12267] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12285] <... openat resumed>) = 3 [pid 12285] ioctl(3, LOOP_CLR_FD [pid 12286] <... bpf resumed>) = 8 [pid 12281] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12281] <... futex resumed>) = 1 [pid 12275] <... futex resumed>) = 0 [pid 12286] <... futex resumed>) = 1 [pid 12281] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12275] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] <... futex resumed>) = 0 [pid 12286] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12281] <... sendto resumed>) = 32 [pid 12275] <... futex resumed>) = 0 [pid 12267] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12281] recvfrom(4, [pid 12275] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12267] <... futex resumed>) = 0 [pid 12286] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12281] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12275}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12267] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12286] <... bpf resumed>) = 9 [pid 12281] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12286] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12281] <... futex resumed>) = 1 [pid 12275] <... futex resumed>) = 0 [pid 12286] <... futex resumed>) = 1 [pid 12281] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12275] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] <... futex resumed>) = 0 [pid 12286] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12275] <... futex resumed>) = 0 [pid 12281] getsockname(4, [pid 12275] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12281] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12275, nl_groups=00000000}, [116 => 12]) = 0 [pid 12281] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12281] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12275] <... futex resumed>) = 0 [pid 12275] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12281] <... futex resumed>) = 0 [pid 12275] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12281] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf3\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12282] <... ioctl resumed>) = 0 [pid 12269] <... sendmsg resumed>) = 64 [pid 12282] close(3 [pid 12269] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... close resumed>) = 0 [pid 12269] <... futex resumed>) = 0 [pid 12282] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12269] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12265] exit_group(0 [pid 12284] <... futex resumed>) = ? [pid 12282] <... futex resumed>) = 1 [pid 12278] <... futex resumed>) = 0 [pid 12269] <... futex resumed>) = ? [pid 12265] <... exit_group resumed>) = ? [pid 12284] +++ exited with 0 +++ [pid 12282] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12278] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12269] +++ exited with 0 +++ [pid 12282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] <... futex resumed>) = 0 [pid 12282] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12278] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12282] <... socket resumed>) = 3 [pid 12285] <... ioctl resumed>) = 0 [pid 12282] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] close(3 [pid 12282] <... futex resumed>) = 0 [pid 12278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12285] <... close resumed>) = 0 [pid 12282] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12278] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] <... futex resumed>) = 0 [pid 12285] <... futex resumed>) = 1 [pid 12283] <... futex resumed>) = 0 [pid 12282] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12278] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... socket resumed>) = 4 [pid 12285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12283] <... futex resumed>) = 0 [pid 12282] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12282] <... futex resumed>) = 1 [pid 12278] <... futex resumed>) = 0 [pid 12285] <... socket resumed>) = 3 [pid 12282] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12278] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] <... futex resumed>) = 0 [pid 12285] <... futex resumed>) = 1 [pid 12283] <... futex resumed>) = 0 [pid 12282] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12278] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... sendto resumed>) = 32 [pid 12285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12283] <... futex resumed>) = 0 [pid 12282] recvfrom(4, [pid 12285] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12282] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12278}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12285] <... socket resumed>) = 4 [pid 12282] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... futex resumed>) = 1 [pid 12278] <... futex resumed>) = 0 [pid 12285] <... futex resumed>) = 1 [pid 12283] <... futex resumed>) = 0 [pid 12282] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12278] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] <... futex resumed>) = 0 [pid 12285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12283] <... futex resumed>) = 0 [pid 12282] getsockname(4, [pid 12278] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12285] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12282] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12278, nl_groups=00000000}, [116 => 12]) = 0 [pid 12285] <... sendto resumed>) = 32 [pid 12282] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12270] <... sendmsg resumed>) = 64 [pid 12285] recvfrom(4, [pid 12282] <... futex resumed>) = 1 [pid 12278] <... futex resumed>) = 0 [pid 12270] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12267] exit_group(0 [pid 12286] <... futex resumed>) = ? [pid 12285] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12283}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12282] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12278] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12270] <... futex resumed>) = ? [pid 12267] <... exit_group resumed>) = ? [pid 12286] +++ exited with 0 +++ [pid 12285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] <... futex resumed>) = 0 [pid 12270] +++ exited with 0 +++ [ 171.704444][T12285] exfat: Bad value for 'uid' [pid 12282] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xf6\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12285] <... futex resumed>) = 1 [pid 12285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12283] <... futex resumed>) = 0 [pid 12278] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] <... futex resumed>) = 0 [pid 12283] <... futex resumed>) = 1 [pid 12285] getsockname(4, [pid 12283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12285] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12283, nl_groups=00000000}, [116 => 12]) = 0 [pid 12285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12283] <... futex resumed>) = 0 [pid 12285] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12283] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12283] <... futex resumed>) = 0 [pid 12285] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\xfb\x2f\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12283] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12275] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12275] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 12275] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 12275] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12275] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12275] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12290]}, 88) = 12290 [pid 12265] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12265, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 12290 attached [pid 12275] rt_sigprocmask(SIG_SETMASK, [], [pid 12267] +++ exited with 0 +++ [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12290] set_robust_list(0x7fb9262379a0, 24 [pid 12275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12290] <... set_robust_list resumed>) = 0 [pid 12275] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... openat resumed>) = 3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12267, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12290] rt_sigprocmask(SIG_SETMASK, [], [pid 12275] <... futex resumed>) = 0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 12290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12275] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12290] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] close(3 [pid 12290] <... bpf resumed>) = 5 [pid 12290] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 12290] <... futex resumed>) = 1 [pid 12275] <... futex resumed>) = 0 [pid 12290] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12275] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12290] <... bpf resumed>) = 0 [pid 12275] <... futex resumed>) = 0 [pid 12290] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12290] <... futex resumed>) = 0 [pid 12275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12275] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12290] <... bpf resumed>) = 6 [pid 12275] <... futex resumed>) = 0 [pid 12290] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12290] <... futex resumed>) = 0 [pid 12275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12290] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12275] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12275] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12291 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12292 ./strace-static-x86_64: Process 12291 attached [pid 12291] set_robust_list(0x5555555916a0, 24) = 0 [pid 12291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12291] setpgid(0, 0) = 0 [pid 12291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12291] write(3, "1000", 4) = 4 [pid 12291] close(3) = 0 ./strace-static-x86_64: Process 12292 attached [pid 12292] set_robust_list(0x5555555916a0, 24) = 0 [pid 12292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12291] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12292] <... prctl resumed>) = 0 [pid 12292] setpgid(0, 0) = 0 [pid 12292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12292] write(3, "1000", 4) = 4 [pid 12292] close(3) = 0 [pid 12292] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12292] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12292] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12293 attached [pid 12293] set_robust_list(0x7fb9262589a0, 24 [pid 12292] <... clone3 resumed> => {parent_tid=[12293]}, 88) = 12293 [pid 12293] <... set_robust_list resumed>) = 0 [pid 12292] rt_sigprocmask(SIG_SETMASK, [], [pid 12293] rt_sigprocmask(SIG_SETMASK, [], [pid 12292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12292] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] memfd_create("syzkaller", 0 [pid 12292] <... futex resumed>) = 0 [pid 12293] <... memfd_create resumed>) = 3 [pid 12292] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12291] <... futex resumed>) = 0 [pid 12291] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12291] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12293] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12291] <... mprotect resumed>) = 0 [pid 12291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12293] <... write resumed>) = 131072 [pid 12291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12294 attached [pid 12293] munmap(0x7fb91de38000, 138412032 [pid 12291] <... clone3 resumed> => {parent_tid=[12294]}, 88) = 12294 [pid 12294] set_robust_list(0x7fb9262589a0, 24 [pid 12293] <... munmap resumed>) = 0 [pid 12291] rt_sigprocmask(SIG_SETMASK, [], [pid 12294] <... set_robust_list resumed>) = 0 [pid 12293] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12294] rt_sigprocmask(SIG_SETMASK, [], [pid 12293] <... openat resumed>) = 4 [pid 12291] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12293] ioctl(4, LOOP_SET_FD, 3 [pid 12291] <... futex resumed>) = 0 [pid 12291] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12294] memfd_create("syzkaller", 0) = 3 [pid 12294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12290] <... bpf resumed>) = 7 [pid 12278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12294] <... mmap resumed>) = 0x7fb91de38000 [pid 12293] <... ioctl resumed>) = 0 [pid 12290] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12293] close(3 [pid 12290] <... futex resumed>) = 1 [pid 12283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12278] <... futex resumed>) = 0 [pid 12275] <... futex resumed>) = 0 [pid 12293] <... close resumed>) = 0 [pid 12290] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12283] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12275] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] close(4 [pid 12290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12283] <... futex resumed>) = 0 [pid 12278] <... mmap resumed>) = 0x7fb926217000 [pid 12275] <... futex resumed>) = 0 [pid 12290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12278] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12275] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12283] <... mmap resumed>) = 0x7fb926217000 [pid 12293] <... close resumed>) = 0 [pid 12283] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12278] <... mprotect resumed>) = 0 [pid 12293] mkdir("./file0", 0777 [pid 12283] <... mprotect resumed>) = 0 [pid 12278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12283] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12293] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12293] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 12295 attached [pid 12294] <... write resumed>) = 131072 [pid 12290] <... bpf resumed>) = 8 [pid 12283] <... clone3 resumed> => {parent_tid=[12296]}, 88) = 12296 [pid 12278] <... clone3 resumed> => {parent_tid=[12295]}, 88) = 12295 [pid 12295] set_robust_list(0x7fb9262379a0, 24 [pid 12294] munmap(0x7fb91de38000, 138412032 [pid 12290] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] rt_sigprocmask(SIG_SETMASK, [], [pid 12278] rt_sigprocmask(SIG_SETMASK, [], [pid 12295] <... set_robust_list resumed>) = 0 [pid 12294] <... munmap resumed>) = 0 [pid 12290] <... futex resumed>) = 1 [pid 12283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12275] <... futex resumed>) = 0 [pid 12295] rt_sigprocmask(SIG_SETMASK, [], [pid 12294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12290] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12275] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12294] <... openat resumed>) = 4 [pid 12290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12283] <... futex resumed>) = 0 [pid 12278] <... futex resumed>) = 0 [pid 12275] <... futex resumed>) = 0 [pid 12295] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12294] ioctl(4, LOOP_SET_FD, 3 [pid 12290] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12275] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 12296 attached [pid 12293] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12296] set_robust_list(0x7fb9262379a0, 24 [pid 12293] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12296] <... set_robust_list resumed>) = 0 [pid 12296] rt_sigprocmask(SIG_SETMASK, [], [pid 12293] <... openat resumed>) = 3 [pid 12296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12296] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12293] ioctl(3, LOOP_CLR_FD [pid 12296] <... bpf resumed>) = 5 [pid 12296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12296] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12295] <... bpf resumed>) = 5 [pid 12295] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12295] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12290] <... bpf resumed>) = 9 [pid 12283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12294] <... ioctl resumed>) = 0 [pid 12283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12296] <... futex resumed>) = 0 [pid 12295] <... futex resumed>) = 0 [pid 12294] close(3 [pid 12290] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] <... futex resumed>) = 1 [pid 12278] <... futex resumed>) = 1 [pid 12296] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12295] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12294] <... close resumed>) = 0 [pid 12283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12296] <... bpf resumed>) = 0 [pid 12295] <... bpf resumed>) = 0 [pid 12294] close(4 [pid 12290] <... futex resumed>) = 1 [pid 12275] <... futex resumed>) = 0 [pid 12296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] <... close resumed>) = 0 [pid 12290] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12296] <... futex resumed>) = 1 [pid 12295] <... futex resumed>) = 1 [pid 12294] mkdir("./file0", 0777 [pid 12283] <... futex resumed>) = 0 [pid 12278] <... futex resumed>) = 0 [pid 12296] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12295] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12294] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12294] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12283] <... futex resumed>) = 0 [pid 12278] <... futex resumed>) = 0 [pid 12296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12295] <... bpf resumed>) = 6 [pid 12294] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12295] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12295] <... futex resumed>) = 1 [pid 12294] <... openat resumed>) = 3 [pid 12278] <... futex resumed>) = 0 [pid 12295] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12294] ioctl(3, LOOP_CLR_FD [pid 12278] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12294] <... ioctl resumed>) = 0 [pid 12278] <... futex resumed>) = 0 [pid 12295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12294] close(3 [pid 12278] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12296] <... bpf resumed>) = 6 [pid 12295] <... bpf resumed>) = 7 [pid 12295] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] <... close resumed>) = 0 [pid 12295] <... futex resumed>) = 1 [pid 12294] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] <... futex resumed>) = 0 [pid 12295] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12294] <... futex resumed>) = 1 [pid 12291] <... futex resumed>) = 0 [pid 12278] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12294] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12291] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12278] <... futex resumed>) = 0 [pid 12295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12294] <... socket resumed>) = 3 [pid 12291] <... futex resumed>) = 0 [pid 12278] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12296] <... futex resumed>) = 1 [pid 12295] <... bpf resumed>) = 8 [pid 12294] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12283] <... futex resumed>) = 0 [pid 12295] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] <... futex resumed>) = 1 [pid 12294] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12291] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] <... futex resumed>) = 0 [pid 12278] <... futex resumed>) = 0 [pid 12295] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12294] <... socket resumed>) = 4 [pid 12291] <... futex resumed>) = 0 [pid 12283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12278] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12294] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] <... futex resumed>) = 0 [pid 12295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12294] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12278] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12295] <... bpf resumed>) = 9 [pid 12294] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12291] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12296] <... bpf resumed>) = 7 [pid 12295] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] <... sendto resumed>) = 32 [pid 12291] <... futex resumed>) = 0 [pid 12296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12295] <... futex resumed>) = 1 [pid 12294] recvfrom(4, [pid 12291] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12278] <... futex resumed>) = 0 [pid 12295] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12294] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12291}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12296] <... futex resumed>) = 1 [pid 12294] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] <... futex resumed>) = 0 [pid 12294] <... futex resumed>) = 1 [pid 12291] <... futex resumed>) = 0 [pid 12283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12294] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12291] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] <... futex resumed>) = 0 [pid 12296] <... bpf resumed>) = 8 [pid 12294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12293] <... ioctl resumed>) = 0 [pid 12291] <... futex resumed>) = 0 [pid 12283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] getsockname(4, [pid 12293] close(3 [pid 12291] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12296] <... futex resumed>) = 0 [pid 12294] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12291, nl_groups=00000000}, [116 => 12]) = 0 [pid 12293] <... close resumed>) = 0 [pid 12283] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12294] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] <... futex resumed>) = 0 [pid 12296] <... bpf resumed>) = 9 [pid 12294] <... futex resumed>) = 1 [pid 12293] <... futex resumed>) = 1 [pid 12292] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = 0 [pid 12283] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12296] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12294] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12293] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12296] <... futex resumed>) = 0 [pid 12294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12292] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = 0 [pid 12296] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12294] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x03\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12293] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12292] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12291] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12293] <... socket resumed>) = 3 [pid 12293] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12292] <... futex resumed>) = 0 [pid 12293] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12292] <... futex resumed>) = 0 [pid 12293] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12292] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12293] <... socket resumed>) = 4 [pid 12293] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12292] <... futex resumed>) = 0 [pid 12281] <... sendmsg resumed>) = 64 [pid 12293] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12281] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12292] <... futex resumed>) = 0 [pid 12281] <... futex resumed>) = 0 [pid 12293] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12292] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12281] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12275] exit_group(0 [pid 12290] <... futex resumed>) = ? [pid 12281] <... futex resumed>) = ? [pid 12275] <... exit_group resumed>) = ? [pid 12290] +++ exited with 0 +++ [pid 12281] +++ exited with 0 +++ [pid 12275] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12275, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12298 [pid 12293] <... sendto resumed>) = 32 [pid 12293] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12292}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12293] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12292] <... futex resumed>) = 0 [pid 12293] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12292] <... futex resumed>) = 0 [pid 12293] getsockname(4, [pid 12292] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12293] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12292, nl_groups=00000000}, [116 => 12]) = 0 [pid 12293] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12292] <... futex resumed>) = 0 [pid 12293] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12292] <... futex resumed>) = 0 [pid 12293] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x04\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12292] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12298 attached [pid 12298] set_robust_list(0x5555555916a0, 24) = 0 [pid 12298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12298] setpgid(0, 0) = 0 [pid 12298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12298] write(3, "1000", 4) = 4 [pid 12298] close(3) = 0 [pid 12298] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12298] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12298] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12300]}, 88) = 12300 [pid 12298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12298] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12298] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12300 attached [pid 12300] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12300] memfd_create("syzkaller", 0) = 3 [pid 12300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 171.795497][T12293] loop1: detected capacity change from 0 to 256 [ 171.804839][T12293] exfat: Bad value for 'uid' [ 171.813253][T12294] loop2: detected capacity change from 0 to 256 [ 171.823022][T12294] exfat: Bad value for 'uid' [pid 12300] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12300] munmap(0x7fb91de38000, 138412032) = 0 [pid 12300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12300] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12300] close(3) = 0 [pid 12300] close(4) = 0 [pid 12300] mkdir("./file0", 0777 [pid 12285] <... sendmsg resumed>) = 64 [pid 12282] <... sendmsg resumed>) = 64 [pid 12285] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12282] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12300] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12285] <... futex resumed>) = 0 [pid 12282] <... futex resumed>) = 0 [pid 12291] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12283] exit_group(0 [pid 12278] exit_group(0 [pid 12296] <... futex resumed>) = ? [pid 12295] <... futex resumed>) = ? [pid 12291] <... futex resumed>) = 0 [pid 12283] <... exit_group resumed>) = ? [pid 12278] <... exit_group resumed>) = ? [pid 12296] +++ exited with 0 +++ [pid 12295] +++ exited with 0 +++ [pid 12291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12291] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12301]}, 88) = 12301 [pid 12291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12291] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12291] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12285] +++ exited with 0 +++ [pid 12283] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12283, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12282] +++ exited with 0 +++ [pid 12278] +++ exited with 0 +++ [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12302 [pid 12300] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"..../strace-static-x86_64: Process 12302 attached ./strace-static-x86_64: Process 12301 attached [pid 12302] set_robust_list(0x5555555916a0, 24 [pid 12301] set_robust_list(0x7fb9262379a0, 24 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12278, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12302] <... set_robust_list resumed>) = 0 [pid 12301] <... set_robust_list resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12301] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... openat resumed>) = 3 [pid 12302] <... prctl resumed>) = 0 [pid 12301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 12302] setpgid(0, 0 [pid 12301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12302] <... setpgid resumed>) = 0 [pid 12301] <... bpf resumed>) = 5 [pid 12292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] close(3 [pid 12302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12300] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12292] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 12302] <... openat resumed>) = 3 [pid 12301] <... futex resumed>) = 1 [pid 12292] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12302] write(3, "1000", 4 [pid 12301] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12291] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12302] <... write resumed>) = 4 [pid 12301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12292] <... mmap resumed>) = 0x7fb926217000 [pid 12291] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12303 ./strace-static-x86_64: Process 12303 attached [pid 12302] close(3 [pid 12301] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12300] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12292] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12291] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12303] set_robust_list(0x5555555916a0, 24 [pid 12302] <... close resumed>) = 0 [pid 12301] <... bpf resumed>) = 0 [pid 12300] <... openat resumed>) = 3 [pid 12292] <... mprotect resumed>) = 0 [pid 12303] <... set_robust_list resumed>) = 0 [pid 12302] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12300] ioctl(3, LOOP_CLR_FD [pid 12292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12302] <... futex resumed>) = 0 [pid 12292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12303] <... prctl resumed>) = 0 [pid 12302] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12301] <... futex resumed>) = 1 [pid 12292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12291] <... futex resumed>) = 0 [pid 12303] setpgid(0, 0 [pid 12302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12291] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... setpgid resumed>) = 0 [pid 12302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12292] <... clone3 resumed> => {parent_tid=[12304]}, 88) = 12304 [pid 12291] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12304 attached [pid 12303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12301] <... bpf resumed>) = 6 [pid 12292] rt_sigprocmask(SIG_SETMASK, [], [pid 12291] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12303] <... openat resumed>) = 3 [pid 12301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12303] write(3, "1000", 4 [pid 12302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12301] <... futex resumed>) = 0 [pid 12292] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... write resumed>) = 4 [pid 12302] <... mmap resumed>) = 0x7fb926238000 [pid 12301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12292] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = 0 [pid 12304] set_robust_list(0x7fb9262379a0, 24 [pid 12303] close(3 [pid 12302] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12301] <... bpf resumed>) = 7 [pid 12292] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12291] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12303] <... close resumed>) = 0 [pid 12302] <... mprotect resumed>) = 0 [pid 12301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12303] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12301] <... futex resumed>) = 0 [pid 12291] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... futex resumed>) = 0 [pid 12302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12291] <... futex resumed>) = 0 [pid 12304] <... set_robust_list resumed>) = 0 [pid 12302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12304] rt_sigprocmask(SIG_SETMASK, [], [pid 12302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12305 attached [pid 12304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12303] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12301] <... bpf resumed>) = 8 [pid 12291] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12305] set_robust_list(0x7fb9262589a0, 24 [pid 12303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12302] <... clone3 resumed> => {parent_tid=[12305]}, 88) = 12305 [pid 12301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12305] <... set_robust_list resumed>) = 0 [pid 12303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12302] rt_sigprocmask(SIG_SETMASK, [], [pid 12301] <... futex resumed>) = 0 [pid 12291] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12305] rt_sigprocmask(SIG_SETMASK, [], [pid 12303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12291] <... futex resumed>) = 0 [pid 12305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12302] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12301] <... bpf resumed>) = 9 [pid 12291] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12305] memfd_create("syzkaller", 0 [pid 12304] <... bpf resumed>) = 5 [pid 12303] <... mmap resumed>) = 0x7fb926238000 [pid 12302] <... futex resumed>) = 0 [pid 12301] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12304] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12302] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12301] <... futex resumed>) = 0 [pid 12291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12304] <... futex resumed>) = 1 [pid 12303] <... mprotect resumed>) = 0 [pid 12301] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] <... futex resumed>) = 0 [pid 12304] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12292] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12292] <... futex resumed>) = 0 [pid 12304] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12292] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12304] <... bpf resumed>) = 0 [pid 12304] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... clone3 resumed> => {parent_tid=[12306]}, 88) = 12306 [pid 12304] <... futex resumed>) = 1 [pid 12303] rt_sigprocmask(SIG_SETMASK, [], [pid 12292] <... futex resumed>) = 0 [pid 12303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12292] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12292] <... futex resumed>) = 0 [pid 12303] <... futex resumed>) = 0 [pid 12292] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12303] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 12306 attached [pid 12305] <... memfd_create resumed>) = 3 [pid 12306] set_robust_list(0x7fb9262589a0, 24 [pid 12305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12304] <... bpf resumed>) = 6 [pid 12306] <... set_robust_list resumed>) = 0 [pid 12305] <... mmap resumed>) = 0x7fb91de38000 [ 171.878605][T12300] loop0: detected capacity change from 0 to 256 [ 171.902967][T12300] exfat: Bad value for 'uid' [pid 12304] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12292] <... futex resumed>) = 0 [pid 12304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12292] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12304] <... bpf resumed>) = 7 [pid 12304] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12292] <... futex resumed>) = 0 [pid 12304] <... futex resumed>) = 0 [pid 12304] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12292] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12306] memfd_create("syzkaller", 0) = 3 [pid 12306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12306] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12300] <... ioctl resumed>) = 0 [pid 12306] <... write resumed>) = 131072 [pid 12306] munmap(0x7fb91de38000, 138412032) = 0 [pid 12306] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12306] ioctl(4, LOOP_SET_FD, 3 [pid 12292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12305] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12300] close(3 [pid 12292] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] <... ioctl resumed>) = 0 [pid 12304] <... futex resumed>) = 0 [pid 12300] <... close resumed>) = 0 [pid 12292] <... futex resumed>) = 1 [pid 12304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12300] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12292] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12304] <... bpf resumed>) = 8 [pid 12300] <... futex resumed>) = 1 [pid 12298] <... futex resumed>) = 0 [pid 12304] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12300] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12298] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] close(3 [pid 12304] <... futex resumed>) = 1 [pid 12300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12298] <... futex resumed>) = 0 [pid 12292] <... futex resumed>) = 0 [pid 12306] <... close resumed>) = 0 [pid 12305] <... write resumed>) = 131072 [pid 12304] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12300] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12298] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12292] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] close(4 [pid 12304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12300] <... socket resumed>) = 3 [pid 12292] <... futex resumed>) = 0 [pid 12306] <... close resumed>) = 0 [pid 12305] munmap(0x7fb91de38000, 138412032 [pid 12304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12300] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12292] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12306] mkdir("./file0", 0777 [pid 12305] <... munmap resumed>) = 0 [pid 12304] <... bpf resumed>) = 9 [pid 12300] <... futex resumed>) = 1 [pid 12298] <... futex resumed>) = 0 [pid 12306] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12305] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12304] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12300] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12298] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12305] <... openat resumed>) = 4 [pid 12304] <... futex resumed>) = 1 [pid 12300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12298] <... futex resumed>) = 0 [pid 12292] <... futex resumed>) = 0 [pid 12304] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12300] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12300] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12300] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12305] ioctl(4, LOOP_SET_FD, 3 [pid 12306] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12298] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12306] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12306] <... openat resumed>) = 3 [pid 12298] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] ioctl(3, LOOP_CLR_FD [pid 12298] <... futex resumed>) = 1 [pid 12306] <... ioctl resumed>) = 0 [pid 12298] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12306] close(3) = 0 [pid 12306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12305] <... ioctl resumed>) = 0 [pid 12303] <... futex resumed>) = 0 [pid 12300] <... futex resumed>) = 0 [pid 12305] close(3 [pid 12303] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12300] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12306] <... futex resumed>) = 0 [pid 12305] <... close resumed>) = 0 [pid 12303] <... futex resumed>) = 1 [pid 12300] <... sendto resumed>) = 32 [pid 12293] <... sendmsg resumed>) = 64 [pid 12306] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12305] close(4 [pid 12303] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12300] recvfrom(4, [pid 12293] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] <... socket resumed>) = 3 [pid 12300] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12298}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12293] <... futex resumed>) = 0 [pid 12306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12292] exit_group(0 [pid 12306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12305] <... close resumed>) = 0 [pid 12304] <... futex resumed>) = ? [pid 12303] <... futex resumed>) = 0 [pid 12300] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12292] <... exit_group resumed>) = ? [pid 12305] mkdir("./file0", 0777 [pid 12304] +++ exited with 0 +++ [pid 12303] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12300] <... futex resumed>) = 1 [pid 12298] <... futex resumed>) = 0 [pid 12293] +++ exited with 0 +++ [pid 12292] +++ exited with 0 +++ [pid 12306] <... futex resumed>) = 0 [pid 12305] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12303] <... futex resumed>) = 1 [pid 12300] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12298] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12305] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12303] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12298] <... futex resumed>) = 0 [pid 12306] <... socket resumed>) = 4 [pid 12298] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12292, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12306] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 12306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12307 [pid 12303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12300] getsockname(4, ./strace-static-x86_64: Process 12307 attached [pid 12307] set_robust_list(0x5555555916a0, 24) = 0 [pid 12303] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12300] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12298, nl_groups=00000000}, [116 => 12]) = 0 [pid 12306] <... futex resumed>) = 0 [pid 12303] <... futex resumed>) = 1 [pid 12300] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12305] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12303] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12300] <... futex resumed>) = 1 [pid 12298] <... futex resumed>) = 0 [pid 12306] <... sendto resumed>) = 32 [pid 12305] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12300] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12298] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12306] recvfrom(4, [pid 12305] <... openat resumed>) = 3 [pid 12300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12298] <... futex resumed>) = 0 [pid 12306] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12303}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12305] ioctl(3, LOOP_CLR_FD [pid 12300] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0a\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12298] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12307] <... prctl resumed>) = 0 [pid 12306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] setpgid(0, 0 [pid 12306] <... futex resumed>) = 1 [pid 12303] <... futex resumed>) = 0 [pid 12306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12303] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12303] <... futex resumed>) = 0 [pid 12306] getsockname(4, [pid 12303] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12306] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12303, nl_groups=00000000}, [116 => 12]) = 0 [pid 12306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12303] <... futex resumed>) = 0 [pid 12306] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12303] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12303] <... futex resumed>) = 0 [pid 12306] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0f\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12303] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12307] <... setpgid resumed>) = 0 [pid 12307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12307] write(3, "1000", 4) = 4 [pid 12307] close(3) = 0 [pid 12307] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12307] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12307] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12310]}, 88) = 12310 [pid 12307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12307] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12307] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12310 attached [pid 12310] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12310] memfd_create("syzkaller", 0) = 3 [pid 12310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12310] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12310] munmap(0x7fb91de38000, 138412032) = 0 [ 171.930530][T12306] loop3: detected capacity change from 0 to 256 [ 171.944446][T12306] exfat: Bad value for 'uid' [ 171.946146][T12305] loop4: detected capacity change from 0 to 256 [ 171.966079][T12305] exfat: Bad value for 'uid' [pid 12310] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12310] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12310] close(3 [pid 12294] <... sendmsg resumed>) = 64 [pid 12310] <... close resumed>) = 0 [pid 12294] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12310] close(4 [pid 12294] <... futex resumed>) = 0 [pid 12310] <... close resumed>) = 0 [pid 12294] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12310] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12310] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12291] exit_group(0 [pid 12301] <... futex resumed>) = ? [pid 12294] <... futex resumed>) = ? [pid 12291] <... exit_group resumed>) = ? [pid 12301] +++ exited with 0 +++ [pid 12294] +++ exited with 0 +++ [pid 12291] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12291, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 12305] <... ioctl resumed>) = 0 [pid 12305] close(3) = 0 [pid 12305] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12302] <... futex resumed>) = 0 [pid 12302] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12302] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12305] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12305] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12302] <... futex resumed>) = 0 [pid 12305] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12302] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12305] <... socket resumed>) = 4 [pid 12302] <... futex resumed>) = 0 [pid 12305] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12302] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12305] <... futex resumed>) = 0 [pid 12302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12305] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12302] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12305] <... sendto resumed>) = 32 [pid 12302] <... futex resumed>) = 0 [pid 12305] recvfrom(4, [pid 12302] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12305] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12302}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12305] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12302] <... futex resumed>) = 0 [pid 12305] getsockname(4, [pid 12302] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12305] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12302, nl_groups=00000000}, [116 => 12]) = 0 [pid 12302] <... futex resumed>) = 0 [pid 12305] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12302] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12305] <... futex resumed>) = 0 [pid 12302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12305] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x0e\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12302] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12302] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12310] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12310] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 12310] ioctl(3, LOOP_CLR_FD [pid 298] <... restart_syscall resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 298] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12312 attached , child_tidptr=0x555555591690) = 12312 [pid 12312] set_robust_list(0x5555555916a0, 24) = 0 [pid 12312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12312] setpgid(0, 0) = 0 [pid 12312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12312] write(3, "1000", 4) = 4 [pid 12312] close(3) = 0 [pid 12312] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12312] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12312] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12313]}, 88) = 12313 [pid 12312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12312] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12312] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12313 attached [pid 12313] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12313] memfd_create("syzkaller", 0) = 3 [pid 12313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12313] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12298] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12298] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12310] <... ioctl resumed>) = 0 [pid 12303] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12310] close(3 [pid 12303] <... futex resumed>) = 0 [pid 12298] <... clone3 resumed> => {parent_tid=[12314]}, 88) = 12314 [pid 12310] <... close resumed>) = 0 [pid 12303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12298] rt_sigprocmask(SIG_SETMASK, [], [pid 12310] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... mmap resumed>) = 0x7fb926217000 [pid 12298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12303] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12298] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... mprotect resumed>) = 0 [pid 12298] <... futex resumed>) = 0 [pid 12303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12298] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12310] <... futex resumed>) = 1 [pid 12310] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12314 attached [pid 12313] <... write resumed>) = 131072 [pid 12307] <... futex resumed>) = 0 [pid 12303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12313] munmap(0x7fb91de38000, 138412032 [pid 12314] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12313] <... munmap resumed>) = 0 [pid 12307] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12314] rt_sigprocmask(SIG_SETMASK, [], [pid 12313] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12307] <... futex resumed>) = 1 [pid 12313] <... openat resumed>) = 4 [pid 12314] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 12315 attached [pid 12310] <... futex resumed>) = 0 [pid 12307] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12303] <... clone3 resumed> => {parent_tid=[12315]}, 88) = 12315 [pid 12315] set_robust_list(0x7fb9262379a0, 24 [pid 12314] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12313] ioctl(4, LOOP_SET_FD, 3 [pid 12310] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12303] rt_sigprocmask(SIG_SETMASK, [], [pid 12315] <... set_robust_list resumed>) = 0 [pid 12303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12310] <... socket resumed>) = 3 [pid 12303] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12303] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12314] <... bpf resumed>) = 5 [pid 12314] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12298] <... futex resumed>) = 0 [pid 12298] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12298] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12314] <... futex resumed>) = 1 [pid 12314] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12314] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12298] <... futex resumed>) = 0 [pid 12298] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12298] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12314] <... futex resumed>) = 1 [pid 12314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12314] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12298] <... futex resumed>) = 0 [pid 12298] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12314] <... futex resumed>) = 1 [pid 12298] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12314] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12310] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12314] <... bpf resumed>) = 7 [pid 12315] rt_sigprocmask(SIG_SETMASK, [], [pid 12310] <... futex resumed>) = 1 [pid 12307] <... futex resumed>) = 0 [pid 12313] <... ioctl resumed>) = 0 [pid 12307] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12307] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12314] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12298] <... futex resumed>) = 0 [pid 12298] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12298] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12314] <... futex resumed>) = 1 [pid 12314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12310] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12313] close(3 [pid 12310] <... socket resumed>) = 4 [pid 12315] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12313] <... close resumed>) = 0 [pid 12310] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12310] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12307] <... futex resumed>) = 0 [pid 12307] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12310] <... futex resumed>) = 0 [pid 12307] <... futex resumed>) = 1 [pid 12315] <... bpf resumed>) = 5 [pid 12314] <... bpf resumed>) = 8 [pid 12313] close(4 [pid 12310] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12307] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12315] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12314] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12310] <... sendto resumed>) = 32 [pid 12310] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12307}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12310] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12307] <... futex resumed>) = 0 [pid 12310] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12307] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12307] <... futex resumed>) = 0 [pid 12310] getsockname(4, [pid 12307] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12310] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12307, nl_groups=00000000}, [116 => 12]) = 0 [pid 12310] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12307] <... futex resumed>) = 0 [pid 12310] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12307] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12307] <... futex resumed>) = 0 [pid 12310] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x13\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12307] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12313] <... close resumed>) = 0 [pid 12313] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12313] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12303] <... futex resumed>) = 0 [pid 12303] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12303] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12315] <... futex resumed>) = 1 [pid 12315] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12315] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... futex resumed>) = 0 [pid 12303] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12303] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12315] <... futex resumed>) = 1 [pid 12315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12315] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... futex resumed>) = 0 [pid 12303] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12303] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12315] <... futex resumed>) = 1 [pid 12315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12315] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... futex resumed>) = 0 [pid 12303] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12303] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12315] <... futex resumed>) = 1 [pid 12315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 12315] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... futex resumed>) = 0 [pid 12303] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12303] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12315] <... futex resumed>) = 1 [pid 12315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12315] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12303] <... futex resumed>) = 0 [pid 12315] <... futex resumed>) = 1 [pid 12315] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12298] <... futex resumed>) = 0 [pid 12298] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12298] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12314] <... futex resumed>) = 1 [pid 12314] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12314] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12298] <... futex resumed>) = 0 [pid 12314] <... futex resumed>) = 1 [ 171.994029][T12310] loop1: detected capacity change from 0 to 256 [ 172.005027][T12310] exfat: Bad value for 'uid' [ 172.032810][T12313] loop2: detected capacity change from 0 to 256 [pid 12314] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12313] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12300] <... sendmsg resumed>) = 64 [pid 12300] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12298] exit_group(0 [pid 12314] <... futex resumed>) = ? [pid 12300] <... futex resumed>) = ? [pid 12298] <... exit_group resumed>) = ? [pid 12314] +++ exited with 0 +++ [pid 12313] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12300] +++ exited with 0 +++ [pid 12302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12313] <... openat resumed>) = 3 [pid 12302] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12313] ioctl(3, LOOP_CLR_FD [pid 12302] <... mmap resumed>) = 0x7fb926217000 [pid 12302] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12317 attached => {parent_tid=[12317]}, 88) = 12317 [pid 12302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12302] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12317] set_robust_list(0x7fb9262379a0, 24 [pid 12302] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12317] <... set_robust_list resumed>) = 0 [pid 12317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12317] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12302] <... futex resumed>) = 0 [pid 12317] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12302] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12317] <... bpf resumed>) = 0 [pid 12302] <... futex resumed>) = 0 [pid 12317] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12302] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12317] <... futex resumed>) = 0 [pid 12302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12302] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12317] <... bpf resumed>) = 6 [pid 12302] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12317] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12317] <... futex resumed>) = 0 [pid 12302] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12302] <... futex resumed>) = 0 [pid 12302] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12317] <... bpf resumed>) = 7 [pid 12298] +++ exited with 0 +++ [pid 12317] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12302] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12298, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12317] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12302] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12302] <... futex resumed>) = 0 [pid 12317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12302] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12317] <... bpf resumed>) = 8 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12317] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12302] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 12317] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12302] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12302] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 12317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12302] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12317] <... bpf resumed>) = 9 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12317] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12302] <... futex resumed>) = 0 [pid 294] close(3 [pid 12317] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12318 ./strace-static-x86_64: Process 12318 attached [pid 12318] set_robust_list(0x5555555916a0, 24) = 0 [pid 12318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12318] setpgid(0, 0) = 0 [pid 12318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12318] write(3, "1000", 4) = 4 [pid 12318] close(3) = 0 [pid 12318] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12318] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12319]}, 88) = 12319 ./strace-static-x86_64: Process 12319 attached [pid 12318] rt_sigprocmask(SIG_SETMASK, [], [pid 12319] set_robust_list(0x7fb9262589a0, 24 [pid 12318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12319] <... set_robust_list resumed>) = 0 [pid 12318] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12319] rt_sigprocmask(SIG_SETMASK, [], [pid 12318] <... futex resumed>) = 0 [pid 12319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12318] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12319] memfd_create("syzkaller", 0) = 3 [pid 12319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 172.053848][T12313] exfat: Bad value for 'uid' [pid 12319] <... mmap resumed>) = 0x7fb91de38000 [pid 12307] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12319] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12307] <... futex resumed>) = 0 [pid 12307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12313] <... ioctl resumed>) = 0 [pid 12307] <... mmap resumed>) = 0x7fb926217000 [pid 12306] <... sendmsg resumed>) = 64 [pid 12313] close(3 [pid 12307] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12313] <... close resumed>) = 0 [pid 12307] <... mprotect resumed>) = 0 [pid 12313] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12313] <... futex resumed>) = 1 [pid 12312] <... futex resumed>) = 0 [pid 12307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12313] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12312] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12312] <... futex resumed>) = 0 [pid 12313] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12312] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12307] <... clone3 resumed> => {parent_tid=[12320]}, 88) = 12320 [pid 12313] <... socket resumed>) = 3 [pid 12307] rt_sigprocmask(SIG_SETMASK, [], [pid 12313] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12313] <... futex resumed>) = 1 [pid 12312] <... futex resumed>) = 0 [pid 12307] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12306] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12313] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12312] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] <... futex resumed>) = 0 [pid 12313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12312] <... futex resumed>) = 0 [pid 12307] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12306] <... futex resumed>) = 0 [pid 12303] exit_group(0 [pid 12315] <... futex resumed>) = ? [pid 12313] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12312] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12303] <... exit_group resumed>) = ? [pid 12315] +++ exited with 0 +++ [pid 12313] <... socket resumed>) = 4 [pid 12313] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12312] <... futex resumed>) = 0 [pid 12313] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12312] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12312] <... futex resumed>) = 0 [pid 12313] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12312] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12313] <... sendto resumed>) = 32 [pid 12313] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12312}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12313] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12312] <... futex resumed>) = 0 [pid 12313] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12312] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12312] <... futex resumed>) = 0 [pid 12313] getsockname(4, [pid 12312] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12313] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12312, nl_groups=00000000}, [116 => 12]) = 0 [pid 12313] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12312] <... futex resumed>) = 0 [pid 12313] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12312] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12312] <... futex resumed>) = 0 [pid 12313] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x18\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12312] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12320 attached [pid 12319] <... write resumed>) = 131072 [pid 12320] set_robust_list(0x7fb9262379a0, 24 [pid 12319] munmap(0x7fb91de38000, 138412032 [pid 12320] <... set_robust_list resumed>) = 0 [pid 12319] <... munmap resumed>) = 0 [pid 12320] rt_sigprocmask(SIG_SETMASK, [], [pid 12319] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12319] <... openat resumed>) = 4 [pid 12320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12319] ioctl(4, LOOP_SET_FD, 3 [pid 12320] <... bpf resumed>) = 5 [pid 12320] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12307] <... futex resumed>) = 0 [pid 12320] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12307] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12320] <... bpf resumed>) = 0 [pid 12307] <... futex resumed>) = 0 [pid 12320] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12320] <... futex resumed>) = 0 [pid 12307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12307] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12320] <... bpf resumed>) = 6 [pid 12307] <... futex resumed>) = 0 [pid 12320] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12307] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12320] <... futex resumed>) = 0 [pid 12307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12307] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12307] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12319] <... ioctl resumed>) = 0 [pid 12319] close(3) = 0 [pid 12319] close(4) = 0 [pid 12319] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12319] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12319] ioctl(3, LOOP_CLR_FD) = 0 [pid 12319] close(3) = 0 [pid 12319] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12318] <... futex resumed>) = 0 [pid 12318] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12319] <... futex resumed>) = 1 [pid 12319] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12319] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12318] <... futex resumed>) = 0 [pid 12318] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12319] <... futex resumed>) = 1 [pid 12319] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12319] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12318] <... futex resumed>) = 0 [pid 12318] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12319] <... futex resumed>) = 1 [pid 12319] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 12319] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12318}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12319] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12318] <... futex resumed>) = 0 [pid 12319] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12318] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12318] <... futex resumed>) = 0 [pid 12319] getsockname(4, [pid 12318] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12319] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12318, nl_groups=00000000}, [116 => 12]) = 0 [pid 12319] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12318] <... futex resumed>) = 0 [pid 12319] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12318] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12318] <... futex resumed>) = 0 [pid 12319] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x1e\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12318] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12310] <... sendmsg resumed>) = 64 [pid 12310] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12310] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12320] <... bpf resumed>) = 7 [pid 12320] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12307] <... futex resumed>) = 0 [pid 12306] +++ exited with 0 +++ [pid 12303] +++ exited with 0 +++ [pid 12307] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12310] <... futex resumed>) = 0 [pid 12307] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12320] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12303, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12310] <... bpf resumed>) = 8 [pid 12310] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12307] <... futex resumed>) = 0 [pid 12310] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12307] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12307] <... futex resumed>) = 0 [pid 12310] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12307] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12310] <... bpf resumed>) = 9 [pid 299] <... openat resumed>) = 3 [pid 12310] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12307] <... futex resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 12310] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12307] exit_group(0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12320] <... futex resumed>) = ? [pid 12310] <... futex resumed>) = ? [pid 12307] <... exit_group resumed>) = ? [pid 299] close(3 [pid 12320] +++ exited with 0 +++ [pid 12310] +++ exited with 0 +++ [pid 299] <... close resumed>) = 0 [pid 12307] +++ exited with 0 +++ [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12307, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12323 [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 12312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 297] close(3 [pid 12312] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... close resumed>) = 0 [pid 12312] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12324 [pid 12312] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12325 attached ./strace-static-x86_64: Process 12324 attached ./strace-static-x86_64: Process 12323 attached => {parent_tid=[12325]}, 88) = 12325 [pid 12325] set_robust_list(0x7fb9262379a0, 24 [pid 12324] set_robust_list(0x5555555916a0, 24 [pid 12323] set_robust_list(0x5555555916a0, 24 [pid 12325] <... set_robust_list resumed>) = 0 [pid 12324] <... set_robust_list resumed>) = 0 [pid 12323] <... set_robust_list resumed>) = 0 [pid 12312] rt_sigprocmask(SIG_SETMASK, [], [pid 12325] rt_sigprocmask(SIG_SETMASK, [], [pid 12324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12324] <... prctl resumed>) = 0 [pid 12323] <... prctl resumed>) = 0 [pid 12312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12325] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] setpgid(0, 0 [pid 12323] setpgid(0, 0 [pid 12312] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] <... setpgid resumed>) = 0 [pid 12323] <... setpgid resumed>) = 0 [pid 12312] <... futex resumed>) = 0 [pid 12325] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12312] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12325] <... bpf resumed>) = 5 [pid 12324] <... openat resumed>) = 3 [pid 12323] <... openat resumed>) = 3 [pid 12325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] write(3, "1000", 4 [pid 12323] write(3, "1000", 4 [pid 12325] <... futex resumed>) = 1 [pid 12324] <... write resumed>) = 4 [pid 12323] <... write resumed>) = 4 [pid 12312] <... futex resumed>) = 0 [pid 12325] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12324] close(3 [pid 12323] close(3 [pid 12312] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12325] <... bpf resumed>) = 0 [pid 12324] <... close resumed>) = 0 [pid 12323] <... close resumed>) = 0 [pid 12312] <... futex resumed>) = 0 [pid 12325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12312] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12325] <... futex resumed>) = 0 [pid 12324] <... futex resumed>) = 0 [pid 12323] <... futex resumed>) = 0 [pid 12312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12325] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12323] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12312] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12323] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12312] <... futex resumed>) = 0 [pid 12325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12312] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12305] <... sendmsg resumed>) = 64 [pid 12325] <... bpf resumed>) = 6 [pid 12324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12305] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12305] <... futex resumed>) = 0 [pid 12325] <... futex resumed>) = 1 [pid 12324] <... mmap resumed>) = 0x7fb926238000 [pid 12323] <... mmap resumed>) = 0x7fb926238000 [pid 12312] <... futex resumed>) = 0 [pid 12305] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12325] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12323] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12312] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] <... mprotect resumed>) = 0 [pid 12323] <... mprotect resumed>) = 0 [pid 12312] <... futex resumed>) = 0 [pid 12325] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12324] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12323] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12312] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12302] exit_group(0 [pid 12325] <... bpf resumed>) = 7 [pid 12324] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12323] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12317] <... futex resumed>) = ? [pid 12305] <... futex resumed>) = ? [pid 12302] <... exit_group resumed>) = ? [pid 12325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12317] +++ exited with 0 +++ [pid 12305] +++ exited with 0 +++ ./strace-static-x86_64: Process 12327 attached ./strace-static-x86_64: Process 12326 attached [pid 12325] <... futex resumed>) = 1 [pid 12312] <... futex resumed>) = 0 [pid 12327] set_robust_list(0x7fb9262589a0, 24 [pid 12326] set_robust_list(0x7fb9262589a0, 24 [pid 12325] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] <... clone3 resumed> => {parent_tid=[12327]}, 88) = 12327 [pid 12323] <... clone3 resumed> => {parent_tid=[12326]}, 88) = 12326 [pid 12312] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] <... set_robust_list resumed>) = 0 [pid 12326] <... set_robust_list resumed>) = 0 [pid 12325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 172.111251][T12319] loop0: detected capacity change from 0 to 256 [ 172.118632][T12319] exfat: Bad value for 'uid' [pid 12324] rt_sigprocmask(SIG_SETMASK, [], [pid 12323] rt_sigprocmask(SIG_SETMASK, [], [pid 12312] <... futex resumed>) = 0 [pid 12327] rt_sigprocmask(SIG_SETMASK, [], [pid 12326] rt_sigprocmask(SIG_SETMASK, [], [pid 12325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12312] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12324] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12324] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12326] memfd_create("syzkaller", 0 [pid 12325] <... bpf resumed>) = 8 [pid 12323] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] memfd_create("syzkaller", 0 [pid 12326] <... memfd_create resumed>) = 3 [pid 12325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] <... futex resumed>) = 0 [pid 12327] <... memfd_create resumed>) = 3 [pid 12326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12325] <... futex resumed>) = 1 [pid 12323] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12312] <... futex resumed>) = 0 [pid 12327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12326] <... mmap resumed>) = 0x7fb91de38000 [pid 12325] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12312] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12312] <... futex resumed>) = 0 [pid 12325] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12312] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12327] <... mmap resumed>) = 0x7fb91de38000 [pid 12326] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12326] munmap(0x7fb91de38000, 138412032) = 0 [pid 12326] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12302] +++ exited with 0 +++ [pid 12326] ioctl(4, LOOP_SET_FD, 3 [pid 12325] <... bpf resumed>) = 9 [pid 12327] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12325] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] <... write resumed>) = 131072 [pid 12325] <... futex resumed>) = 1 [pid 12312] <... futex resumed>) = 0 [pid 12325] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12327] munmap(0x7fb91de38000, 138412032) = 0 [pid 12327] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12327] ioctl(4, LOOP_SET_FD, 3 [pid 12326] <... ioctl resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12302, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12326] close(3) = 0 [pid 12326] close(4) = 0 [pid 12326] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12326] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12318] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 12318] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12327] <... ioctl resumed>) = 0 [pid 12326] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12318] <... mmap resumed>) = 0x7fb926217000 [pid 12327] close(3 [pid 12326] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12318] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 300] <... openat resumed>) = 3 [pid 12318] <... mprotect resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 12318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12328]}, 88) = 12328 [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12318] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12326] <... openat resumed>) = 3 [pid 12326] ioctl(3, LOOP_CLR_FD [pid 12327] <... close resumed>) = 0 [pid 300] close(3./strace-static-x86_64: Process 12328 attached [pid 12328] set_robust_list(0x7fb9262379a0, 24 [pid 12327] close(4 [pid 300] <... close resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12329 [pid 12327] <... close resumed>) = 0 [pid 12327] mkdir("./file0", 0777 [pid 12328] <... set_robust_list resumed>) = 0 [pid 12328] rt_sigprocmask(SIG_SETMASK, [], [pid 12327] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12328] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12327] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12328] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 12329 attached [pid 12328] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] set_robust_list(0x5555555916a0, 24 [pid 12318] <... futex resumed>) = 0 [pid 12318] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12328] <... futex resumed>) = 1 [pid 12328] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12329] <... set_robust_list resumed>) = 0 [pid 12328] <... bpf resumed>) = 0 [pid 12329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12328] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12318] <... futex resumed>) = 0 [pid 12318] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12328] <... futex resumed>) = 1 [pid 12328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12329] <... prctl resumed>) = 0 [pid 12329] setpgid(0, 0) = 0 [pid 12328] <... bpf resumed>) = 6 [pid 12327] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12328] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12329] <... openat resumed>) = 3 [pid 12327] <... openat resumed>) = 3 [pid 12318] <... futex resumed>) = 0 [pid 12318] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12327] ioctl(3, LOOP_CLR_FD [pid 12328] <... futex resumed>) = 1 [pid 12328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12328] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12318] <... futex resumed>) = 0 [pid 12318] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12329] write(3, "1000", 4 [pid 12328] <... futex resumed>) = 1 [pid 12329] <... write resumed>) = 4 [pid 12329] close(3) = 0 [pid 12329] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12329] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12329] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12329] <... mprotect resumed>) = 0 [pid 12329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12330]}, 88) = 12330 [pid 12329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12330 attached [pid 12330] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12330] memfd_create("syzkaller", 0) = 3 [pid 12330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12313] <... sendmsg resumed>) = 64 [pid 12313] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12313] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12312] exit_group(0) = ? [pid 12313] <... futex resumed>) = ? [pid 12325] <... futex resumed>) = ? [pid 12313] +++ exited with 0 +++ [pid 12328] <... bpf resumed>) = 8 [pid 12328] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12330] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12318] <... futex resumed>) = 0 [pid 12318] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12318] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12328] <... futex resumed>) = 1 [pid 12328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12330] <... write resumed>) = 131072 [pid 12330] munmap(0x7fb91de38000, 138412032) = 0 [pid 12330] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 172.177752][T12326] loop3: detected capacity change from 0 to 256 [ 172.179130][T12327] loop1: detected capacity change from 0 to 256 [ 172.184918][T12326] exfat: Bad value for 'uid' [ 172.213655][T12327] exfat: Bad value for 'uid' [pid 12330] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12330] close(3) = 0 [pid 12330] close(4) = 0 [pid 12330] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12330] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12330] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12330] ioctl(3, LOOP_CLR_FD [pid 12326] <... ioctl resumed>) = 0 [pid 12325] +++ exited with 0 +++ [pid 12312] +++ exited with 0 +++ [pid 12326] close(3 [pid 12328] <... bpf resumed>) = 9 [pid 12326] <... close resumed>) = 0 [pid 12328] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12312, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12328] <... futex resumed>) = 1 [pid 12326] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12318] <... futex resumed>) = 0 [pid 12326] <... futex resumed>) = 1 [pid 12323] <... futex resumed>) = 0 [pid 12326] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12323] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] <... socket resumed>) = 3 [pid 12323] <... futex resumed>) = 0 [pid 12326] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12328] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12326] <... futex resumed>) = 0 [pid 12323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12326] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12323] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] <... socket resumed>) = 4 [pid 12323] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 12326] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12326] <... futex resumed>) = 0 [pid 12323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] ioctl(3, LOOP_CLR_FD [pid 12326] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12323] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] <... sendto resumed>) = 32 [pid 12323] <... futex resumed>) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12326] recvfrom(4, [pid 12323] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12326] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12323}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 298] close(3 [pid 12326] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12323] <... futex resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 12326] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12323] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12323] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12326] getsockname(4, [pid 12323] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12326] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12323, nl_groups=00000000}, [116 => 12]) = 0 [pid 12326] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12323] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12331 [pid 12326] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12323] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12323] <... futex resumed>) = 0 [pid 12326] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x23\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12323] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12331 attached [pid 12331] set_robust_list(0x5555555916a0, 24) = 0 [pid 12331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12331] setpgid(0, 0) = 0 [pid 12331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12331] write(3, "1000", 4) = 4 [pid 12331] close(3) = 0 [pid 12331] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12331] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12331] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12327] <... ioctl resumed>) = 0 [pid 12331] <... mprotect resumed>) = 0 [pid 12319] <... sendmsg resumed>) = 64 [pid 12327] close(3 [pid 12319] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12327] <... close resumed>) = 0 [pid 12319] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12333]}, 88) = 12333 [pid 12331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12331] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12318] exit_group(0) = ? [pid 12328] <... futex resumed>) = ? [pid 12331] <... futex resumed>) = 0 [pid 12328] +++ exited with 0 +++ [pid 12327] <... futex resumed>) = 1 [pid 12324] <... futex resumed>) = 0 [pid 12319] <... futex resumed>) = ? [pid 12327] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12333 attached [pid 12333] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12319] +++ exited with 0 +++ [pid 12324] <... futex resumed>) = 0 [pid 12318] +++ exited with 0 +++ [pid 12327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12318, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12327] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 12327] <... socket resumed>) = 3 [pid 12333] memfd_create("syzkaller", 0) = 3 [pid 12333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... restart_syscall resumed>) = 0 [pid 12327] <... futex resumed>) = 1 [pid 12324] <... futex resumed>) = 0 [pid 12327] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] <... futex resumed>) = 0 [pid 12327] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12324] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12327] <... socket resumed>) = 4 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 12327] <... futex resumed>) = 1 [pid 12324] <... futex resumed>) = 0 [pid 294] ioctl(3, LOOP_CLR_FD [pid 12327] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] <... futex resumed>) = 0 [pid 12327] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12324] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] close(3 [pid 12327] <... sendto resumed>) = 32 [pid 12327] recvfrom(4, [pid 294] <... close resumed>) = 0 [pid 12327] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12324}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] <... mmap resumed>) = 0x7fb91de38000 [pid 12327] <... futex resumed>) = 1 [pid 12324] <... futex resumed>) = 0 [pid 12327] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12334 [pid 12327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] <... futex resumed>) = 0 [pid 12327] getsockname(4, [pid 12324] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12327] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12324, nl_groups=00000000}, [116 => 12]) = 0 [pid 12327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12324] <... futex resumed>) = 0 [pid 12327] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] <... futex resumed>) = 0 [pid 12327] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x24\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12324] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12334 attached [pid 12334] set_robust_list(0x5555555916a0, 24) = 0 [pid 12334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12333] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12334] setpgid(0, 0) = 0 [pid 12334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12334] write(3, "1000", 4) = 4 [pid 12334] close(3) = 0 [pid 12334] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12334] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12333] <... write resumed>) = 131072 [pid 12334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12334] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12336]}, 88) = 12336 [pid 12334] rt_sigprocmask(SIG_SETMASK, [], [pid 12333] munmap(0x7fb91de38000, 138412032 [pid 12334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12333] <... munmap resumed>) = 0 [pid 12334] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12333] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12334] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12336 attached [pid 12336] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12333] <... openat resumed>) = 4 [pid 12336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12333] ioctl(4, LOOP_SET_FD, 3 [pid 12330] <... ioctl resumed>) = 0 [pid 12330] close(3) = 0 [pid 12330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12336] memfd_create("syzkaller", 0) = 3 [ 172.231225][T12330] loop4: detected capacity change from 0 to 256 [ 172.239119][T12330] exfat: Bad value for 'uid' [pid 12336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12336] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12336] munmap(0x7fb91de38000, 138412032) = 0 [pid 12336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12336] ioctl(4, LOOP_SET_FD, 3 [pid 12333] <... ioctl resumed>) = 0 [pid 12330] <... futex resumed>) = 1 [pid 12329] <... futex resumed>) = 0 [pid 12330] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12329] <... futex resumed>) = 0 [pid 12330] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12330] <... socket resumed>) = 3 [pid 12330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12329] <... futex resumed>) = 0 [pid 12330] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12330] <... socket resumed>) = 4 [pid 12329] <... futex resumed>) = 0 [pid 12330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12330] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12330] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12336] <... ioctl resumed>) = 0 [pid 12333] close(3 [pid 12329] <... futex resumed>) = 0 [pid 12330] <... sendto resumed>) = 32 [pid 12330] recvfrom(4, [pid 12336] close(3 [pid 12329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12333] <... close resumed>) = 0 [pid 12336] <... close resumed>) = 0 [pid 12333] close(4 [pid 12330] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12329}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12336] close(4 [pid 12333] <... close resumed>) = 0 [pid 12330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12329] <... futex resumed>) = 0 [pid 12330] getsockname(4, [pid 12329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12330] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12329, nl_groups=00000000}, [116 => 12]) = 0 [pid 12329] <... futex resumed>) = 0 [pid 12330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12330] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12330] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12329] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12329] <... futex resumed>) = 0 [pid 12330] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x29\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12329] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12336] <... close resumed>) = 0 [pid 12336] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12336] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12333] mkdir("./file0", 0777 [pid 12323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12333] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12323] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12323] <... futex resumed>) = 0 [pid 12336] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12336] <... openat resumed>) = 3 [pid 12323] <... mmap resumed>) = 0x7fb926217000 [pid 12323] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12336] ioctl(3, LOOP_CLR_FD [pid 12333] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12323] <... mprotect resumed>) = 0 [pid 12333] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12333] ioctl(3, LOOP_CLR_FD [pid 12323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12338]}, 88) = 12338 ./strace-static-x86_64: Process 12338 attached [pid 12323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12323] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12323] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12338] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12338] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12338] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] <... futex resumed>) = 0 [pid 12323] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12338] <... futex resumed>) = 1 [pid 12323] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12338] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12338] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] <... futex resumed>) = 0 [pid 12323] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12323] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12338] <... futex resumed>) = 1 [pid 12338] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 12338] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] <... futex resumed>) = 0 [pid 12323] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12323] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12338] <... futex resumed>) = 1 [pid 12338] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16) = 7 [pid 12338] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] <... futex resumed>) = 0 [pid 12323] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12323] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12338] <... futex resumed>) = 1 [pid 12338] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 12338] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] <... futex resumed>) = 0 [pid 12323] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12323] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12338] <... futex resumed>) = 1 [pid 12338] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12338] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12323] <... futex resumed>) = 0 [pid 12324] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12324] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12338] <... futex resumed>) = 1 [pid 12324] <... futex resumed>) = 0 [pid 12324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12338] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12324] <... mmap resumed>) = 0x7fb926217000 [pid 12324] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12339 attached [pid 12339] set_robust_list(0x7fb9262379a0, 24 [pid 12324] <... clone3 resumed> => {parent_tid=[12339]}, 88) = 12339 [pid 12339] <... set_robust_list resumed>) = 0 [pid 12324] rt_sigprocmask(SIG_SETMASK, [], [pid 12339] rt_sigprocmask(SIG_SETMASK, [], [pid 12324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12324] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12339] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12324] <... futex resumed>) = 0 [pid 12339] <... bpf resumed>) = 5 [pid 12324] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12339] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12324] <... futex resumed>) = 0 [pid 12339] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12324] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12339] <... bpf resumed>) = 0 [pid 12324] <... futex resumed>) = 0 [pid 12339] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12339] <... futex resumed>) = 0 [pid 12324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12339] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12324] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12339] <... bpf resumed>) = 6 [pid 12324] <... futex resumed>) = 0 [pid 12339] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12339] <... futex resumed>) = 0 [pid 12324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12339] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12324] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12339] <... bpf resumed>) = 7 [pid 12324] <... futex resumed>) = 0 [pid 12339] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12339] <... futex resumed>) = 0 [pid 12324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12339] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12324] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12339] <... bpf resumed>) = 8 [pid 12324] <... futex resumed>) = 0 [pid 12339] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12339] <... futex resumed>) = 0 [pid 12324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12324] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12324] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12339] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16) = 9 [pid 12339] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12324] <... futex resumed>) = 0 [pid 12339] <... futex resumed>) = 1 [pid 12339] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12329] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12329] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12340 attached => {parent_tid=[12340]}, 88) = 12340 [pid 12329] rt_sigprocmask(SIG_SETMASK, [], [pid 12340] set_robust_list(0x7fb9262379a0, 24 [pid 12329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12340] <... set_robust_list resumed>) = 0 [pid 12340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12329] <... futex resumed>) = 0 [pid 12340] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12340] <... bpf resumed>) = 0 [pid 12329] <... futex resumed>) = 0 [pid 12340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12340] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12340] <... bpf resumed>) = 6 [pid 12329] <... futex resumed>) = 0 [pid 12340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12340] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12340] <... bpf resumed>) = 7 [pid 12329] <... futex resumed>) = 0 [pid 12340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12340] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12340] <... bpf resumed>) = 8 [pid 12329] <... futex resumed>) = 0 [pid 12340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12340] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12329] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12340] <... bpf resumed>) = 9 [pid 12329] <... futex resumed>) = 0 [pid 12340] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12329] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12340] <... futex resumed>) = 0 [pid 12329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 172.287710][T12333] loop2: detected capacity change from 0 to 256 [ 172.291899][T12336] loop0: detected capacity change from 0 to 256 [ 172.306125][T12336] exfat: Bad value for 'uid' [ 172.311300][T12333] exfat: Bad value for 'uid' [pid 12340] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12336] <... ioctl resumed>) = 0 [pid 12333] <... ioctl resumed>) = 0 [pid 12326] <... sendmsg resumed>) = 64 [pid 12336] close(3 [pid 12333] close(3 [pid 12326] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12336] <... close resumed>) = 0 [pid 12333] <... close resumed>) = 0 [pid 12326] <... futex resumed>) = 0 [pid 12336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12336] <... futex resumed>) = 1 [pid 12333] <... futex resumed>) = 1 [pid 12336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12333] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] <... futex resumed>) = 0 [pid 12331] <... futex resumed>) = 0 [pid 12323] exit_group(0 [pid 12338] <... futex resumed>) = ? [pid 12334] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12326] <... futex resumed>) = ? [pid 12323] <... exit_group resumed>) = ? [pid 12338] +++ exited with 0 +++ [pid 12336] <... futex resumed>) = 0 [pid 12334] <... futex resumed>) = 1 [pid 12333] <... futex resumed>) = 0 [pid 12331] <... futex resumed>) = 1 [pid 12326] +++ exited with 0 +++ [pid 12323] +++ exited with 0 +++ [pid 12336] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12333] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12323, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 12336] <... socket resumed>) = 3 [pid 12333] <... socket resumed>) = 3 [pid 12336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12336] <... futex resumed>) = 0 [pid 12333] <... futex resumed>) = 0 [pid 12336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12333] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12331] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12334] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12336] <... futex resumed>) = 0 [pid 12334] <... futex resumed>) = 1 [pid 12333] <... futex resumed>) = 0 [pid 12331] <... futex resumed>) = 1 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12336] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12334] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12333] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12331] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12336] <... socket resumed>) = 4 [pid 12333] <... socket resumed>) = 4 [pid 299] <... openat resumed>) = 3 [pid 12336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12336] <... futex resumed>) = 1 [pid 299] ioctl(3, LOOP_CLR_FD [pid 12334] <... futex resumed>) = 0 [pid 12334] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] <... futex resumed>) = 1 [pid 12331] <... futex resumed>) = 0 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12336] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12334] <... futex resumed>) = 0 [pid 12333] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12331] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] close(3 [pid 12336] <... sendto resumed>) = 32 [pid 12334] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12331] <... futex resumed>) = 0 [pid 12336] recvfrom(4, [pid 12333] <... sendto resumed>) = 32 [pid 12331] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... close resumed>) = 0 [pid 12336] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12334}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12333] recvfrom(4, [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12331}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12336] <... futex resumed>) = 1 [pid 12334] <... futex resumed>) = 0 [pid 12333] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12341 ./strace-static-x86_64: Process 12341 attached [pid 12336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] <... futex resumed>) = 1 [pid 12331] <... futex resumed>) = 0 [pid 12341] set_robust_list(0x5555555916a0, 24 [pid 12336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12334] <... futex resumed>) = 0 [pid 12333] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12331] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12341] <... set_robust_list resumed>) = 0 [pid 12336] getsockname(4, [pid 12334] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12331] <... futex resumed>) = 0 [pid 12341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12336] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12334, nl_groups=00000000}, [116 => 12]) = 0 [pid 12333] getsockname(4, [pid 12331] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12341] <... prctl resumed>) = 0 [pid 12336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12331, nl_groups=00000000}, [116 => 12]) = 0 [pid 12341] setpgid(0, 0 [pid 12336] <... futex resumed>) = 1 [pid 12334] <... futex resumed>) = 0 [pid 12333] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] <... futex resumed>) = 1 [pid 12331] <... futex resumed>) = 0 [pid 12341] <... setpgid resumed>) = 0 [pid 12336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12334] <... futex resumed>) = 0 [pid 12333] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12331] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12336] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2e\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12334] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12331] <... futex resumed>) = 0 [pid 12341] <... openat resumed>) = 3 [pid 12333] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x2b\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12331] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12341] write(3, "1000", 4) = 4 [pid 12341] close(3) = 0 [pid 12341] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12341] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12341] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12344 attached => {parent_tid=[12344]}, 88) = 12344 [pid 12344] set_robust_list(0x7fb9262589a0, 24 [pid 12341] rt_sigprocmask(SIG_SETMASK, [], [pid 12344] <... set_robust_list resumed>) = 0 [pid 12341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12344] rt_sigprocmask(SIG_SETMASK, [], [pid 12341] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12341] <... futex resumed>) = 0 [pid 12341] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12344] memfd_create("syzkaller", 0) = 3 [pid 12344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12344] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12344] munmap(0x7fb91de38000, 138412032) = 0 [pid 12344] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12344] ioctl(4, LOOP_SET_FD, 3 [pid 12327] <... sendmsg resumed>) = 64 [pid 12344] <... ioctl resumed>) = 0 [pid 12327] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12327] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12344] close(3) = 0 [pid 12344] close(4 [pid 12324] exit_group(0 [pid 12339] <... futex resumed>) = ? [pid 12327] <... futex resumed>) = ? [pid 12324] <... exit_group resumed>) = ? [pid 12339] +++ exited with 0 +++ [pid 12327] +++ exited with 0 +++ [pid 12344] <... close resumed>) = 0 [pid 12344] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12344] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12344] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12344] ioctl(3, LOOP_CLR_FD [pid 12330] <... sendmsg resumed>) = 64 [pid 12330] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12330] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12329] exit_group(0 [pid 12340] <... futex resumed>) = ? [pid 12330] <... futex resumed>) = ? [pid 12329] <... exit_group resumed>) = ? [pid 12340] +++ exited with 0 +++ [pid 12330] +++ exited with 0 +++ [pid 12334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12334] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12334] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12334] <... mprotect resumed>) = 0 [pid 12331] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12331] <... futex resumed>) = 0 [pid 12334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12331] <... mmap resumed>) = 0x7fb926217000 ./strace-static-x86_64: Process 12345 attached [pid 12331] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12334] <... clone3 resumed> => {parent_tid=[12345]}, 88) = 12345 [pid 12331] <... mprotect resumed>) = 0 [pid 12334] rt_sigprocmask(SIG_SETMASK, [], [pid 12331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12334] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12334] <... futex resumed>) = 0 [pid 12334] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12331] <... clone3 resumed> => {parent_tid=[12346]}, 88) = 12346 [pid 12331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12331] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12331] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12346 attached [pid 12346] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12345] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12346] <... bpf resumed>) = 5 [pid 12345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12345] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12346] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12345] <... bpf resumed>) = 5 [pid 12345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] <... futex resumed>) = 0 [pid 12334] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12346] <... futex resumed>) = 1 [pid 12334] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12331] <... futex resumed>) = 0 [pid 12331] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12331] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12346] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12345] <... futex resumed>) = 1 [pid 12346] <... bpf resumed>) = 0 [pid 12346] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] <... futex resumed>) = 0 [pid 12331] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12331] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12346] <... futex resumed>) = 1 [pid 12345] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12345] <... bpf resumed>) = 0 [pid 12345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] <... futex resumed>) = 0 [pid 12345] <... futex resumed>) = 1 [pid 12334] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12334] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12346] <... bpf resumed>) = 6 [pid 12346] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12346] <... futex resumed>) = 1 [pid 12331] <... futex resumed>) = 0 [pid 12331] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12344] <... ioctl resumed>) = 0 [pid 12331] <... futex resumed>) = 0 [pid 12329] +++ exited with 0 +++ [pid 12324] +++ exited with 0 +++ [pid 12331] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12329, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12324, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12345] <... bpf resumed>) = 6 [pid 12345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12334] <... futex resumed>) = 0 [pid 12334] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12334] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12345] <... futex resumed>) = 1 [pid 12345] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12347 [pid 12344] close(3) = 0 [pid 12344] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12344] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12341] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12341] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12344] <... futex resumed>) = 0 [pid 12341] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... openat resumed>) = 3 [pid 12344] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 297] ioctl(3, LOOP_CLR_FD [pid 12344] <... socket resumed>) = 3 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 12347 attached [pid 12344] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 12344] <... futex resumed>) = 1 [pid 12341] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 12347] set_robust_list(0x5555555916a0, 24) = 0 [pid 12347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12347] setpgid(0, 0) = 0 [pid 12347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12347] write(3, "1000", 4) = 4 [pid 12347] close(3) = 0 [pid 12347] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12347] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12344] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12341] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12344] <... socket resumed>) = 4 [pid 12341] <... futex resumed>) = 0 [pid 12347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12344] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12341] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12344] <... futex resumed>) = 0 [pid 12341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12344] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12341] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555555591690) = 12348 [pid 12344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12341] <... futex resumed>) = 0 [pid 12344] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12347] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12341] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12347] <... mprotect resumed>) = 0 [pid 12344] <... sendto resumed>) = 32 [pid 12347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12344] recvfrom(4, [pid 12347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12344] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12341}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12344] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12349 attached ./strace-static-x86_64: Process 12348 attached ) = 1 [pid 12341] <... futex resumed>) = 0 [pid 12349] set_robust_list(0x7fb9262589a0, 24 [pid 12348] set_robust_list(0x5555555916a0, 24 [pid 12344] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12341] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12347] <... clone3 resumed> => {parent_tid=[12349]}, 88) = 12349 [pid 12349] <... set_robust_list resumed>) = 0 [pid 12348] <... set_robust_list resumed>) = 0 [pid 12344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12341] <... futex resumed>) = 0 [pid 12349] rt_sigprocmask(SIG_SETMASK, [], [pid 12348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12344] getsockname(4, [pid 12341] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12348] <... prctl resumed>) = 0 [pid 12344] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12341, nl_groups=00000000}, [116 => 12]) = 0 [pid 12349] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12348] setpgid(0, 0 [pid 12347] rt_sigprocmask(SIG_SETMASK, [], [pid 12344] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] <... setpgid resumed>) = 0 [pid 12347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12344] <... futex resumed>) = 1 [pid 12341] <... futex resumed>) = 0 [pid 12348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12344] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12341] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] <... futex resumed>) = 0 [pid 12347] <... futex resumed>) = 1 [pid 12344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12341] <... futex resumed>) = 0 [pid 12349] memfd_create("syzkaller", 0 [pid 12348] <... openat resumed>) = 3 [pid 12347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12344] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x35\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12341] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12349] <... memfd_create resumed>) = 3 [pid 12349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [ 172.404636][T12344] loop3: detected capacity change from 0 to 256 [ 172.415455][T12344] exfat: Bad value for 'uid' [pid 12349] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12348] write(3, "1000", 4 [pid 12349] <... write resumed>) = 131072 [pid 12349] munmap(0x7fb91de38000, 138412032) = 0 [pid 12349] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 12349] ioctl(4, LOOP_SET_FD, 3 [pid 12348] <... write resumed>) = 4 [pid 12348] close(3) = 0 [pid 12348] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12348] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12348] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12351]}, 88) = 12351 [pid 12348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12348] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12351 attached [pid 12349] <... ioctl resumed>) = 0 [pid 12348] <... futex resumed>) = 0 [pid 12346] <... bpf resumed>) = 7 [pid 12345] <... bpf resumed>) = 7 [pid 12336] <... sendmsg resumed>) = 64 [pid 12351] set_robust_list(0x7fb9262589a0, 24 [pid 12349] close(3 [pid 12348] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12346] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12346] <... futex resumed>) = 1 [pid 12345] <... futex resumed>) = 1 [pid 12334] <... futex resumed>) = 0 [pid 12331] <... futex resumed>) = 0 [pid 12346] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12345] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12334] <... futex resumed>) = 0 [pid 12331] <... futex resumed>) = 0 [pid 12346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12334] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12331] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12351] <... set_robust_list resumed>) = 0 [pid 12349] <... close resumed>) = 0 [pid 12346] <... bpf resumed>) = 8 [pid 12345] <... bpf resumed>) = 8 [pid 12336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12346] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12345] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] <... sendmsg resumed>) = 64 [pid 12346] <... futex resumed>) = 1 [pid 12345] <... futex resumed>) = 1 [pid 12334] <... futex resumed>) = 0 [pid 12333] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] <... futex resumed>) = 0 [pid 12346] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12345] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12336] <... futex resumed>) = 0 [pid 12334] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12333] <... futex resumed>) = 0 [pid 12331] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] close(4 [pid 12334] <... futex resumed>) = 0 [pid 12333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12331] <... futex resumed>) = 0 [pid 12336] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12334] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12333] <... bpf resumed>) = 9 [pid 12331] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12333] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12333] <... futex resumed>) = 0 [pid 12331] exit_group(0 [pid 12346] <... futex resumed>) = ? [pid 12331] <... exit_group resumed>) = ? [pid 12346] +++ exited with 0 +++ [pid 12333] +++ exited with 0 +++ [pid 12351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12351] memfd_create("syzkaller", 0) = 3 [pid 12351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12351] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12351] munmap(0x7fb91de38000, 138412032) = 0 [pid 12351] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12351] ioctl(4, LOOP_SET_FD, 3 [pid 12349] <... close resumed>) = 0 [pid 12351] <... ioctl resumed>) = 0 [pid 12349] mkdir("./file0", 0777 [pid 12351] close(3) = 0 [pid 12349] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12351] close(4 [pid 12349] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12351] <... close resumed>) = 0 [pid 12351] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12351] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12349] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12351] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12351] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12349] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12331] +++ exited with 0 +++ [pid 12336] <... bpf resumed>) = 9 [pid 12349] <... openat resumed>) = 3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12336] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] ioctl(3, LOOP_CLR_FD [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12336] <... futex resumed>) = 1 [pid 12351] <... openat resumed>) = 3 [pid 12336] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12334] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 12334] exit_group(0 [pid 298] ioctl(3, LOOP_CLR_FD [pid 12351] ioctl(3, LOOP_CLR_FD [pid 12345] <... futex resumed>) = ? [pid 12336] <... futex resumed>) = ? [pid 12334] <... exit_group resumed>) = ? [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12336] +++ exited with 0 +++ [pid 12345] +++ exited with 0 +++ [pid 298] close(3) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12352 [pid 12334] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12334, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 12352 attached [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12353 [pid 12352] set_robust_list(0x5555555916a0, 24) = 0 [pid 12352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12352] setpgid(0, 0) = 0 [pid 12352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12352] write(3, "1000", 4) = 4 [pid 12352] close(3) = 0 [pid 12352] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12352] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12352] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12352] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12354]}, 88) = 12354 [pid 12352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12352] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12352] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12354 attached [pid 12354] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12354] rt_sigprocmask(SIG_SETMASK, [], [pid 12341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12341] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12353 attached [pid 12354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12341] <... futex resumed>) = 0 [pid 12353] set_robust_list(0x5555555916a0, 24) = 0 [pid 12341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12353] setpgid(0, 0) = 0 [pid 12341] <... mmap resumed>) = 0x7fb926217000 [pid 12353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12341] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12353] <... openat resumed>) = 3 [pid 12353] write(3, "1000", 4 [pid 12341] <... mprotect resumed>) = 0 [pid 12353] <... write resumed>) = 4 [pid 12353] close(3) = 0 [pid 12353] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12353] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12353] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12353] <... mprotect resumed>) = 0 [pid 12353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12355]}, 88) = 12355 [pid 12353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12353] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12353] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12341] <... clone3 resumed> => {parent_tid=[12356]}, 88) = 12356 [pid 12341] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 12355 attached NULL, 8) = 0 [pid 12355] set_robust_list(0x7fb9262589a0, 24 [pid 12341] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12341] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12355] <... set_robust_list resumed>) = 0 [pid 12355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12354] memfd_create("syzkaller", 0./strace-static-x86_64: Process 12356 attached [pid 12355] memfd_create("syzkaller", 0) = 3 [pid 12355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12354] <... memfd_create resumed>) = 3 [pid 12356] set_robust_list(0x7fb9262379a0, 24 [pid 12354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12356] <... set_robust_list resumed>) = 0 [pid 12356] rt_sigprocmask(SIG_SETMASK, [], [pid 12354] <... mmap resumed>) = 0x7fb91de38000 [pid 12355] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12354] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12356] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12356] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12356] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12341] <... futex resumed>) = 0 [pid 12341] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12341] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12356] <... futex resumed>) = 0 [pid 12356] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12356] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12356] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12355] <... write resumed>) = 131072 [pid 12355] munmap(0x7fb91de38000, 138412032 [pid 12341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12341] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12355] <... munmap resumed>) = 0 [pid 12355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12355] ioctl(4, LOOP_SET_FD, 3 [pid 12341] <... futex resumed>) = 1 [pid 12341] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12356] <... futex resumed>) = 0 [pid 12356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12354] <... write resumed>) = 131072 [ 172.465217][T12349] loop4: detected capacity change from 0 to 256 [ 172.483733][T12351] loop1: detected capacity change from 0 to 256 [ 172.491182][T12349] exfat: Bad value for 'uid' [ 172.492255][T12351] exfat: Bad value for 'uid' [pid 12354] munmap(0x7fb91de38000, 138412032) = 0 [pid 12354] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 12354] ioctl(4, LOOP_SET_FD, 3 [pid 12356] <... bpf resumed>) = 6 [pid 12356] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12341] <... futex resumed>) = 0 [pid 12341] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12341] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12356] <... futex resumed>) = 1 [pid 12356] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12351] <... ioctl resumed>) = 0 [pid 12349] <... ioctl resumed>) = 0 [pid 12351] close(3) = 0 [pid 12351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12356] <... bpf resumed>) = 7 [pid 12356] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12341] <... futex resumed>) = 0 [pid 12341] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12341] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12356] <... futex resumed>) = 1 [pid 12356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12355] <... ioctl resumed>) = 0 [pid 12355] close(3) = 0 [pid 12355] close(4) = 0 [pid 12355] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12355] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12349] close(3 [pid 12348] <... futex resumed>) = 0 [pid 12348] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] <... close resumed>) = 0 [pid 12348] <... futex resumed>) = 1 [pid 12349] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12356] <... bpf resumed>) = 8 [pid 12351] <... futex resumed>) = 0 [pid 12356] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12351] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12356] <... futex resumed>) = 1 [pid 12351] <... socket resumed>) = 3 [pid 12341] <... futex resumed>) = 0 [pid 12356] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12341] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12356] <... bpf resumed>) = 9 [pid 12351] <... futex resumed>) = 0 [pid 12341] <... futex resumed>) = 0 [pid 12356] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12341] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12356] <... futex resumed>) = 0 [pid 12341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12356] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12355] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12355] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12348] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12349] <... futex resumed>) = 1 [pid 12348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12347] <... futex resumed>) = 0 [pid 12347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12355] <... openat resumed>) = 3 [pid 12355] ioctl(3, LOOP_CLR_FD [pid 12349] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12348] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] <... socket resumed>) = 3 [pid 12348] <... futex resumed>) = 1 [pid 12349] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12349] <... futex resumed>) = 1 [pid 12347] <... futex resumed>) = 0 [pid 12349] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] <... socket resumed>) = 4 [pid 12347] <... futex resumed>) = 0 [pid 12354] <... ioctl resumed>) = 0 [pid 12351] <... futex resumed>) = 0 [pid 12349] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12351] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12349] <... futex resumed>) = 0 [pid 12347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12351] <... socket resumed>) = 4 [pid 12351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12349] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12348] <... futex resumed>) = 0 [pid 12347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] close(3 [pid 12351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12349] <... sendto resumed>) = 32 [pid 12348] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12347] <... futex resumed>) = 0 [pid 12351] <... futex resumed>) = 0 [pid 12349] recvfrom(4, [pid 12348] <... futex resumed>) = 1 [pid 12347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12354] <... close resumed>) = 0 [pid 12351] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12349] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12347}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12348] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12354] close(4 [pid 12351] <... sendto resumed>) = 32 [pid 12349] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12351] recvfrom(4, [pid 12349] <... futex resumed>) = 1 [pid 12347] <... futex resumed>) = 0 [pid 12351] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12348}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12349] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] <... close resumed>) = 0 [pid 12351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12347] <... futex resumed>) = 0 [pid 12351] <... futex resumed>) = 1 [pid 12349] getsockname(4, [pid 12348] <... futex resumed>) = 0 [pid 12347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12354] mkdir("./file0", 0777 [pid 12351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12349] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12347, nl_groups=00000000}, [116 => 12]) = 0 [pid 12348] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12349] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] <... futex resumed>) = 0 [pid 12351] getsockname(4, [pid 12349] <... futex resumed>) = 1 [pid 12348] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12347] <... futex resumed>) = 0 [pid 12351] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12348, nl_groups=00000000}, [116 => 12]) = 0 [pid 12349] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12347] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12347] <... futex resumed>) = 0 [pid 12354] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12351] <... futex resumed>) = 1 [pid 12349] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3b\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12348] <... futex resumed>) = 0 [pid 12347] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12348] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12348] <... futex resumed>) = 0 [pid 12351] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x3c\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12348] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12354] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12354] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12354] ioctl(3, LOOP_CLR_FD [pid 12344] <... sendmsg resumed>) = 64 [ 172.535413][T12355] loop0: detected capacity change from 0 to 256 [ 172.545987][T12355] exfat: Bad value for 'uid' [ 172.553331][T12354] loop2: detected capacity change from 0 to 256 [ 172.565761][T12354] exfat: Bad value for 'uid' [pid 12355] <... ioctl resumed>) = 0 [pid 12344] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12355] close(3 [pid 12344] <... futex resumed>) = 0 [pid 12355] <... close resumed>) = 0 [pid 12344] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12355] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12353] <... futex resumed>) = 0 [pid 12355] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12353] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12353] <... futex resumed>) = 0 [pid 12355] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12353] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12355] <... socket resumed>) = 3 [pid 12355] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12353] <... futex resumed>) = 0 [pid 12355] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12353] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12353] <... futex resumed>) = 0 [pid 12355] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12353] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12355] <... socket resumed>) = 4 [pid 12355] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12353] <... futex resumed>) = 0 [pid 12355] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12353] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12353] <... futex resumed>) = 0 [pid 12355] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12353] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12354] <... ioctl resumed>) = 0 [pid 12354] close(3 [pid 12341] exit_group(0 [pid 12355] <... sendto resumed>) = 32 [pid 12354] <... close resumed>) = 0 [pid 12348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12356] <... futex resumed>) = ? [pid 12344] <... futex resumed>) = ? [pid 12341] <... exit_group resumed>) = ? [pid 12356] +++ exited with 0 +++ [pid 12355] recvfrom(4, [pid 12354] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12347] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] <... futex resumed>) = 0 [pid 12347] <... futex resumed>) = 0 [pid 12348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12348] <... mmap resumed>) = 0x7fb926217000 [pid 12347] <... mmap resumed>) = 0x7fb926217000 [pid 12348] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12347] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12348] <... mprotect resumed>) = 0 [pid 12347] <... mprotect resumed>) = 0 [pid 12348] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12344] +++ exited with 0 +++ [pid 12355] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12353}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12354] <... futex resumed>) = 1 [pid 12341] +++ exited with 0 +++ [pid 12352] <... futex resumed>) = 0 [pid 12355] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12352] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12341, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12355] <... futex resumed>) = 1 [pid 12354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12353] <... futex resumed>) = 0 [pid 12352] <... futex resumed>) = 0 [pid 12348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 12355] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12354] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12353] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... restart_syscall resumed>) = 0 [pid 12355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12354] <... socket resumed>) = 3 [pid 12353] <... futex resumed>) = 0 [pid 12348] <... clone3 resumed> => {parent_tid=[12359]}, 88) = 12359 [pid 12347] <... clone3 resumed> => {parent_tid=[12360]}, 88) = 12360 [pid 12355] getsockname(4, [pid 12354] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12353] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12348] rt_sigprocmask(SIG_SETMASK, [], [pid 12347] rt_sigprocmask(SIG_SETMASK, [], [pid 12355] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12353, nl_groups=00000000}, [116 => 12]) = 0 [pid 12354] <... futex resumed>) = 1 [pid 12352] <... futex resumed>) = 0 [pid 12348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12355] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12352] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... openat resumed>) = 3 [pid 12355] <... futex resumed>) = 1 [pid 12354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12353] <... futex resumed>) = 0 [pid 12352] <... futex resumed>) = 0 [pid 12348] <... futex resumed>) = 0 [pid 12347] <... futex resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 12355] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12354] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12353] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12348] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 12360 attached ./strace-static-x86_64: Process 12359 attached [pid 12355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12354] <... socket resumed>) = 4 [pid 12353] <... futex resumed>) = 0 [pid 12355] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x41\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12354] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12353] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] close(3 [pid 12354] <... futex resumed>) = 1 [pid 12352] <... futex resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 12354] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12352] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12352] <... futex resumed>) = 0 [pid 12354] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12352] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12362 [pid 12359] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12359] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] <... futex resumed>) = 0 [pid 12348] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12348] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12359] <... futex resumed>) = 1 [pid 12359] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12348] <... futex resumed>) = 0 [pid 12359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12348] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12359] <... bpf resumed>) = 6 [pid 12348] <... futex resumed>) = 0 [pid 12348] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12348] <... futex resumed>) = 0 [pid 12359] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12348] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12348] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12360] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12360] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12347] <... futex resumed>) = 0 [pid 12347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12360] <... futex resumed>) = 1 [pid 12360] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12360] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12347] <... futex resumed>) = 0 [pid 12347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12354] <... sendto resumed>) = 32 [pid 12354] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12352}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12359] <... bpf resumed>) = 7 [pid 12354] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] <... futex resumed>) = 1 [pid 12352] <... futex resumed>) = 0 [pid 12354] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12348] <... futex resumed>) = 0 [pid 12359] <... futex resumed>) = 1 [pid 12359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12352] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12348] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] getsockname(4, [pid 12352] <... futex resumed>) = 0 [pid 12348] <... futex resumed>) = 0 [pid 12354] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12352, nl_groups=00000000}, [116 => 12]) = 0 [pid 12352] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12348] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12354] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12354] <... futex resumed>) = 0 [pid 12352] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x40\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12352] <... futex resumed>) = 0 [pid 12360] <... futex resumed>) = 1 [pid 12360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12352] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12359] <... bpf resumed>) = 8 [pid 12359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12348] <... futex resumed>) = 0 [pid 12359] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12348] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12362 attached [pid 12360] <... bpf resumed>) = 6 [pid 12359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12348] <... futex resumed>) = 0 [pid 12360] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12347] <... futex resumed>) = 0 [pid 12360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12360] <... bpf resumed>) = 7 [pid 12347] <... futex resumed>) = 0 [pid 12360] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12359] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12348] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12360] <... futex resumed>) = 0 [pid 12347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12362] set_robust_list(0x5555555916a0, 24 [pid 12359] <... bpf resumed>) = 9 [pid 12347] <... futex resumed>) = 0 [pid 12362] <... set_robust_list resumed>) = 0 [pid 12360] <... bpf resumed>) = 8 [pid 12359] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12359] <... futex resumed>) = 1 [pid 12348] <... futex resumed>) = 0 [pid 12362] <... prctl resumed>) = 0 [pid 12359] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12362] setpgid(0, 0) = 0 [pid 12362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12362] write(3, "1000", 4) = 4 [pid 12362] close(3) = 0 [pid 12362] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12362] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12360] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12360] <... futex resumed>) = 1 [pid 12347] <... futex resumed>) = 0 [pid 12362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12347] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12362] <... mmap resumed>) = 0x7fb926238000 [pid 12362] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12347] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12362] <... mprotect resumed>) = 0 [pid 12362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12360] <... bpf resumed>) = 9 [pid 12362] <... clone3 resumed> => {parent_tid=[12365]}, 88) = 12365 [pid 12362] rt_sigprocmask(SIG_SETMASK, [], [pid 12360] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12362] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12362] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12360] <... futex resumed>) = 1 [pid 12347] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12365 attached [ 172.599051][ T1850] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 12360] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12365] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12365] memfd_create("syzkaller", 0) = 3 [pid 12365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12365] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12365] munmap(0x7fb91de38000, 138412032) = 0 [pid 12365] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 12365] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12365] close(3) = 0 [pid 12365] close(4) = 0 [pid 12365] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12365] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12353] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12353] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12365] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12365] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 12365] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12366 attached [pid 12353] <... clone3 resumed> => {parent_tid=[12366]}, 88) = 12366 [pid 12366] set_robust_list(0x7fb9262379a0, 24 [pid 12353] rt_sigprocmask(SIG_SETMASK, [], [pid 12352] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12349] <... sendmsg resumed>) = 64 [pid 12366] <... set_robust_list resumed>) = 0 [pid 12353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12352] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12349] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12366] rt_sigprocmask(SIG_SETMASK, [], [pid 12353] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] <... futex resumed>) = 0 [pid 12349] <... futex resumed>) = 0 [pid 12352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12349] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12353] <... futex resumed>) = 0 [pid 12366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12353] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12352] <... mmap resumed>) = 0x7fb926217000 [pid 12352] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12347] exit_group(0 [pid 12360] <... futex resumed>) = ? [pid 12352] <... mprotect resumed>) = 0 [pid 12347] <... exit_group resumed>) = ? [pid 12360] +++ exited with 0 +++ [pid 12352] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12349] <... futex resumed>) = ? [pid 12352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12349] +++ exited with 0 +++ [pid 12347] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12347, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12352] <... clone3 resumed> => {parent_tid=[12367]}, 88) = 12367 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 12352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12366] <... bpf resumed>) = 5 [pid 12352] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12366] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] <... futex resumed>) = 0 [pid 12366] <... futex resumed>) = 1 [pid 12353] <... futex resumed>) = 0 [pid 12352] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12367 attached [pid 12366] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] <... restart_syscall resumed>) = 0 [pid 12367] set_robust_list(0x7fb9262379a0, 24 [pid 12353] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12367] <... set_robust_list resumed>) = 0 [pid 12366] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12353] <... futex resumed>) = 0 [pid 12367] rt_sigprocmask(SIG_SETMASK, [], [pid 12366] <... bpf resumed>) = 0 [pid 12353] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12366] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3 [pid 12367] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12366] <... futex resumed>) = 1 [pid 12353] <... futex resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 12367] <... bpf resumed>) = 5 [pid 12366] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12353] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12367] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12353] <... futex resumed>) = 0 [pid 12367] <... futex resumed>) = 1 [pid 12366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12353] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12352] <... futex resumed>) = 0 [pid 12367] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12366] <... bpf resumed>) = 6 [pid 12352] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12366] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] <... futex resumed>) = 0 [pid 12367] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12366] <... futex resumed>) = 1 [pid 12353] <... futex resumed>) = 0 [pid 12352] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12368 attached [pid 12367] <... bpf resumed>) = 0 [pid 12366] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12353] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12368 [pid 12368] set_robust_list(0x5555555916a0, 24 [pid 12367] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12353] <... futex resumed>) = 0 [pid 12368] <... set_robust_list resumed>) = 0 [pid 12367] <... futex resumed>) = 1 [pid 12353] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12352] <... futex resumed>) = 0 [pid 12368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12352] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12368] <... prctl resumed>) = 0 [pid 12352] <... futex resumed>) = 0 [pid 12367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12352] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12366] <... bpf resumed>) = 7 [pid 12368] setpgid(0, 0) = 0 [pid 12368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12368] write(3, "1000", 4 [pid 12367] <... bpf resumed>) = 6 [pid 12366] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12368] <... write resumed>) = 4 [pid 12367] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12368] close(3 [pid 12366] <... futex resumed>) = 1 [pid 12367] <... futex resumed>) = 1 [pid 12353] <... futex resumed>) = 0 [pid 12352] <... futex resumed>) = 0 [pid 12368] <... close resumed>) = 0 [pid 12367] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12353] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12368] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12353] <... futex resumed>) = 0 [pid 12352] <... futex resumed>) = 0 [pid 12367] <... bpf resumed>) = 7 [pid 12353] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12367] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12368] <... futex resumed>) = 0 [pid 12352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12367] <... futex resumed>) = 0 [pid 12352] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12352] <... futex resumed>) = 0 [pid 12368] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, [pid 12352] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12368] <... rt_sigaction resumed>NULL, 8) = 0 [pid 12368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12368] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12369]}, 88) = 12369 [pid 12368] rt_sigprocmask(SIG_SETMASK, [], [pid 12367] <... bpf resumed>) = 8 [pid 12368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12368] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12368] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12367] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12352] <... futex resumed>) = 0 [pid 12367] <... futex resumed>) = 1 [pid 12352] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12369 attached [pid 12367] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12352] <... futex resumed>) = 0 [pid 12369] set_robust_list(0x7fb9262589a0, 24 [pid 12352] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12366] <... bpf resumed>) = 8 [pid 12367] <... bpf resumed>) = 9 [pid 12366] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12369] <... set_robust_list resumed>) = 0 [pid 12353] <... futex resumed>) = 0 [pid 12366] <... futex resumed>) = 1 [pid 12353] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12353] <... futex resumed>) = 0 [pid 12369] rt_sigprocmask(SIG_SETMASK, [], [pid 12367] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12366] <... bpf resumed>) = 9 [pid 12365] <... ioctl resumed>) = 0 [pid 12353] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12366] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12353] <... futex resumed>) = 0 [pid 12366] <... futex resumed>) = 1 [pid 12366] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12352] <... futex resumed>) = 0 [pid 12367] <... futex resumed>) = 1 [pid 12365] close(3 [pid 12367] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12365] <... close resumed>) = 0 [pid 12369] memfd_create("syzkaller", 0) = 3 [pid 12365] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12362] <... futex resumed>) = 0 [pid 12365] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 12362] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12365] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12362] <... futex resumed>) = 0 [pid 12365] <... socket resumed>) = 3 [pid 12362] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12365] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12365] <... futex resumed>) = 0 [pid 12362] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12365] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12362] <... futex resumed>) = 0 [pid 12365] <... socket resumed>) = 4 [pid 12362] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12365] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12365] <... futex resumed>) = 0 [pid 12362] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12365] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12362] <... futex resumed>) = 0 [pid 12365] <... sendto resumed>) = 32 [pid 12362] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12365] recvfrom(4, [pid 12369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12365] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12362}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12369] <... mmap resumed>) = 0x7fb91de38000 [pid 12365] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12362] <... futex resumed>) = 0 [pid 12365] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12362] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12362] <... futex resumed>) = 0 [pid 12365] getsockname(4, [pid 12362] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12365] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12362, nl_groups=00000000}, [116 => 12]) = 0 [pid 12365] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12362] <... futex resumed>) = 0 [pid 12365] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12362] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12362] <... futex resumed>) = 0 [ 172.669978][T12365] loop3: detected capacity change from 0 to 256 [ 172.678288][T12365] exfat: Bad value for 'uid' [pid 12365] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x4a\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12362] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12369] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12369] munmap(0x7fb91de38000, 138412032) = 0 [pid 12369] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12351] <... sendmsg resumed>) = 64 [pid 12369] <... openat resumed>) = 4 [pid 12351] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12369] ioctl(4, LOOP_SET_FD, 3 [pid 12351] <... futex resumed>) = 0 [pid 12351] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12348] exit_group(0 [pid 12351] <... futex resumed>) = ? [pid 12348] <... exit_group resumed>) = ? [pid 12351] +++ exited with 0 +++ [pid 12359] <... futex resumed>) = ? [pid 12359] +++ exited with 0 +++ [pid 12348] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12348, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12371 [pid 12369] <... ioctl resumed>) = 0 [pid 12369] close(3) = 0 [pid 12369] close(4) = 0 [pid 12369] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12369] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12369] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 12369] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 12371 attached [pid 12371] set_robust_list(0x5555555916a0, 24) = 0 [pid 12371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12371] setpgid(0, 0) = 0 [pid 12371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12371] write(3, "1000", 4) = 4 [pid 12371] close(3) = 0 [pid 12371] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12371] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12371] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12372]}, 88) = 12372 ./strace-static-x86_64: Process 12372 attached [pid 12371] rt_sigprocmask(SIG_SETMASK, [], [pid 12372] set_robust_list(0x7fb9262589a0, 24 [pid 12371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12372] <... set_robust_list resumed>) = 0 [pid 12371] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12372] rt_sigprocmask(SIG_SETMASK, [], [pid 12371] <... futex resumed>) = 0 [pid 12372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12371] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12372] memfd_create("syzkaller", 0) = 3 [pid 12372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12372] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12355] <... sendmsg resumed>) = 64 [pid 12354] <... sendmsg resumed>) = 64 [pid 12355] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12354] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12355] <... futex resumed>) = 0 [pid 12354] <... futex resumed>) = 0 [pid 12352] exit_group(0 [pid 12372] <... write resumed>) = 131072 [pid 12355] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12354] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12367] <... futex resumed>) = ? [pid 12354] +++ exited with 0 +++ [pid 12352] <... exit_group resumed>) = ? [pid 12367] +++ exited with 0 +++ [pid 12353] exit_group(0 [pid 12366] <... futex resumed>) = ? [pid 12355] <... futex resumed>) = ? [pid 12353] <... exit_group resumed>) = ? [pid 12372] munmap(0x7fb91de38000, 138412032 [pid 12366] +++ exited with 0 +++ [pid 12355] +++ exited with 0 +++ [pid 12372] <... munmap resumed>) = 0 [pid 12372] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12372] ioctl(4, LOOP_SET_FD, 3 [pid 12369] <... ioctl resumed>) = 0 [pid 12369] close(3) = 0 [pid 12369] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12369] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12368] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12368] <... futex resumed>) = 0 [pid 12369] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12368] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12369] <... socket resumed>) = 3 [pid 12369] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12369] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12368] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12368] <... futex resumed>) = 0 [pid 12369] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12368] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12369] <... socket resumed>) = 4 [pid 12369] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12369] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12368] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12368] <... futex resumed>) = 0 [pid 12369] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12368] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12369] <... sendto resumed>) = 32 [pid 12369] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12368}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12369] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12369] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12368] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12368] <... futex resumed>) = 0 [pid 12362] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12369] getsockname(4, [pid 12368] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12369] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12368, nl_groups=00000000}, [116 => 12]) = 0 [pid 12369] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12369] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12368] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12368] <... futex resumed>) = 0 [pid 12369] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x50\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12368] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12362] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12362] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12353] +++ exited with 0 +++ [pid 12352] +++ exited with 0 +++ [pid 12362] <... clone3 resumed> => {parent_tid=[12374]}, 88) = 12374 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12352, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12353, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- ./strace-static-x86_64: Process 12374 attached [pid 12372] <... ioctl resumed>) = 0 [pid 12362] rt_sigprocmask(SIG_SETMASK, [], [pid 12374] set_robust_list(0x7fb9262379a0, 24 [pid 12372] close(3 [pid 12362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12374] <... set_robust_list resumed>) = 0 [pid 12372] <... close resumed>) = 0 [pid 12362] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12374] rt_sigprocmask(SIG_SETMASK, [], [pid 12372] close(4 [pid 12362] <... futex resumed>) = 0 [pid 298] <... openat resumed>) = 3 [ 172.739915][T12369] loop4: detected capacity change from 0 to 256 [ 172.749524][T12369] exfat: Bad value for 'uid' [ 172.771188][T12372] loop1: detected capacity change from 0 to 256 [pid 12374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12372] <... close resumed>) = 0 [pid 12362] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] ioctl(3, LOOP_CLR_FD [pid 294] <... openat resumed>) = 3 [pid 12374] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12372] mkdir("./file0", 0777 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] ioctl(3, LOOP_CLR_FD [pid 12374] <... bpf resumed>) = 5 [pid 12372] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 298] close(3 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12372] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 298] <... close resumed>) = 0 [pid 294] close(3 [pid 12374] <... futex resumed>) = 1 [pid 12372] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12362] <... futex resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... close resumed>) = 0 [pid 12374] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12372] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12362] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12374] <... bpf resumed>) = 0 [pid 12372] <... openat resumed>) = 3 [pid 12362] <... futex resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12375 [pid 12374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12372] ioctl(3, LOOP_CLR_FD [pid 12362] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... clone resumed>, child_tidptr=0x555555591690) = 12376 [pid 12374] <... futex resumed>) = 0 [pid 12362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12362] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12374] <... bpf resumed>) = 6 [pid 12362] <... futex resumed>) = 0 [pid 12374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12362] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12374] <... futex resumed>) = 0 [pid 12362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12362] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12362] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 12375 attached [pid 12375] set_robust_list(0x5555555916a0, 24) = 0 [pid 12375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12375] setpgid(0, 0) = 0 [pid 12375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12375] write(3, "1000", 4) = 4 [pid 12375] close(3) = 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12375] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12375] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12376 attached ./strace-static-x86_64: Process 12377 attached => {parent_tid=[12377]}, 88) = 12377 [pid 12375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12377] set_robust_list(0x7fb9262589a0, 24 [pid 12376] set_robust_list(0x5555555916a0, 24 [pid 12377] <... set_robust_list resumed>) = 0 [pid 12376] <... set_robust_list resumed>) = 0 [pid 12374] <... bpf resumed>) = 7 [pid 12374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12362] <... futex resumed>) = 0 [pid 12374] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12362] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12362] <... futex resumed>) = 0 [pid 12374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12362] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] rt_sigprocmask(SIG_SETMASK, [], [pid 12376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12374] <... bpf resumed>) = 8 [pid 12376] <... prctl resumed>) = 0 [pid 12374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] memfd_create("syzkaller", 0 [pid 12374] <... futex resumed>) = 1 [pid 12362] <... futex resumed>) = 0 [pid 12374] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12362] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12362] <... futex resumed>) = 0 [pid 12374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12362] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12376] setpgid(0, 0 [pid 12374] <... bpf resumed>) = 9 [pid 12376] <... setpgid resumed>) = 0 [pid 12374] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12362] <... futex resumed>) = 0 [pid 12376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12374] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] <... openat resumed>) = 3 [pid 12377] <... memfd_create resumed>) = 3 [pid 12376] write(3, "1000", 4 [pid 12377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12376] <... write resumed>) = 4 [pid 12376] close(3 [pid 12377] <... mmap resumed>) = 0x7fb91de38000 [pid 12376] <... close resumed>) = 0 [pid 12376] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12376] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12376] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12378 attached [pid 12377] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12376] <... clone3 resumed> => {parent_tid=[12378]}, 88) = 12378 [pid 12376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12376] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12376] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12377] <... write resumed>) = 131072 [pid 12378] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12378] rt_sigprocmask(SIG_SETMASK, [], [pid 12377] munmap(0x7fb91de38000, 138412032 [pid 12378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12378] memfd_create("syzkaller", 0 [pid 12377] <... munmap resumed>) = 0 [pid 12378] <... memfd_create resumed>) = 3 [pid 12378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12377] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12378] <... mmap resumed>) = 0x7fb91de38000 [ 172.793266][T12372] exfat: Bad value for 'uid' [pid 12377] <... openat resumed>) = 4 [pid 12377] ioctl(4, LOOP_SET_FD, 3 [pid 12378] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12365] <... sendmsg resumed>) = 64 [pid 12378] <... write resumed>) = 131072 [pid 12365] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12365] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12378] munmap(0x7fb91de38000, 138412032) = 0 [pid 12378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12378] ioctl(4, LOOP_SET_FD, 3 [pid 12377] <... ioctl resumed>) = 0 [pid 12362] exit_group(0 [pid 12374] <... futex resumed>) = ? [pid 12365] <... futex resumed>) = ? [pid 12362] <... exit_group resumed>) = ? [pid 12378] <... ioctl resumed>) = 0 [pid 12377] close(3 [pid 12374] +++ exited with 0 +++ [pid 12372] <... ioctl resumed>) = 0 [pid 12365] +++ exited with 0 +++ [pid 12362] +++ exited with 0 +++ [pid 12372] close(3) = 0 [pid 12372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12371] <... futex resumed>) = 0 [pid 12372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12371] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12371] <... futex resumed>) = 0 [pid 12372] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12371] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12372] <... socket resumed>) = 3 [pid 12372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12371] <... futex resumed>) = 0 [pid 12372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12371] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12371] <... futex resumed>) = 0 [pid 12372] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12371] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12372] <... socket resumed>) = 4 [pid 12372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12371] <... futex resumed>) = 0 [pid 12372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12371] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12362, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12371] <... futex resumed>) = 0 [pid 12372] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12371] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12372] <... sendto resumed>) = 32 [pid 12372] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12371}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12371] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12371] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12371] <... futex resumed>) = 0 [pid 12372] getsockname(4, [pid 12371] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12372] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12371, nl_groups=00000000}, [116 => 12]) = 0 [pid 299] <... openat resumed>) = 3 [pid 12372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12371] <... futex resumed>) = 0 [pid 12372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12371] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12371] <... futex resumed>) = 0 [pid 12372] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x53\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12371] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12368] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] ioctl(3, LOOP_CLR_FD [pid 12368] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 12378] close(3) = 0 [pid 12377] <... close resumed>) = 0 [pid 12378] close(4 [pid 12377] close(4 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12368] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12378] <... close resumed>) = 0 [pid 12368] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] close(3 [pid 12378] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12377] <... close resumed>) = 0 [pid 12378] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... close resumed>) = 0 [pid 12368] <... mmap resumed>) = 0x7fb926217000 [pid 12368] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12377] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12377] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"...) = -1 EINVAL (Invalid argument) [pid 12368] <... mprotect resumed>) = 0 [pid 12378] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 12378] ioctl(3, LOOP_CLR_FD [pid 12377] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12377] ioctl(3, LOOP_CLR_FD) = 0 [pid 12377] close(3) = 0 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] <... futex resumed>) = 0 [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] <... clone resumed>, child_tidptr=0x555555591690) = 12380 [pid 12368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] <... futex resumed>) = 1 [pid 12377] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] <... futex resumed>) = 0 [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] <... futex resumed>) = 1 [pid 12377] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 12368] <... clone3 resumed> => {parent_tid=[12381]}, 88) = 12381 [pid 12368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12368] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12368] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12375] <... futex resumed>) = 0 [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] <... futex resumed>) = 1 [pid 12377] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12./strace-static-x86_64: Process 12381 attached [pid 12381] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12381] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12381] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12368] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12381] <... bpf resumed>) = 0 [pid 12368] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12368] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12368] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12381] <... futex resumed>) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12368] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12381] <... bpf resumed>) = 6 [pid 12381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12381] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12368] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12368] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12381] <... bpf resumed>) = 7 [pid 12381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12368] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12368] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12381] <... bpf resumed>) = 8 [pid 12381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12368] <... futex resumed>) = 0 [pid 12381] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12368] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12368] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12381] <... bpf resumed>) = 9 [pid 12381] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12368] <... futex resumed>) = 0 [pid 12381] <... futex resumed>) = 1 [pid 12381] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 12380 attached [pid 12380] set_robust_list(0x5555555916a0, 24 [pid 12377] <... sendto resumed>) = 32 [pid 12377] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12375}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12375] <... futex resumed>) = 0 [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] getsockname(4, {sa_family=AF_NETLINK, nl_pid=12375, nl_groups=00000000}, [116 => 12]) = 0 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12380] <... set_robust_list resumed>) = 0 [pid 12377] <... futex resumed>) = 1 [pid 12375] <... futex resumed>) = 0 [pid 12377] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12375] <... futex resumed>) = 0 [pid 12377] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x57\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12380] setpgid(0, 0) = 0 [pid 12380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12380] write(3, "1000", 4) = 4 [pid 12380] close(3) = 0 [pid 12380] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12380] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12380] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0}./strace-static-x86_64: Process 12383 attached => {parent_tid=[12383]}, 88) = 12383 [pid 12380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12380] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12380] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12378] <... ioctl resumed>) = 0 [pid 12369] <... sendmsg resumed>) = 64 [pid 12378] close(3) = 0 [pid 12378] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12376] <... futex resumed>) = 0 [pid 12378] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12376] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12369] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12378] <... socket resumed>) = 3 [pid 12376] <... futex resumed>) = 0 [pid 12378] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12376] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12369] <... futex resumed>) = 0 [pid 12368] exit_group(0 [pid 12378] <... futex resumed>) = 0 [pid 12376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12378] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12376] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12381] <... futex resumed>) = ? [pid 12378] <... socket resumed>) = 4 [pid 12376] <... futex resumed>) = 0 [pid 12368] <... exit_group resumed>) = ? [pid 12383] set_robust_list(0x7fb9262589a0, 24 [pid 12381] +++ exited with 0 +++ [pid 12378] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12376] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12378] <... futex resumed>) = 0 [pid 12376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12378] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12376] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12383] <... set_robust_list resumed>) = 0 [pid 12378] <... sendto resumed>) = 32 [pid 12369] +++ exited with 0 +++ [pid 12376] <... futex resumed>) = 0 [pid 12368] +++ exited with 0 +++ [pid 12378] recvfrom(4, [pid 12376] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 12378] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12376}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12378] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12376] <... futex resumed>) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12378] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... openat resumed>) = 3 [pid 12378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12376] <... futex resumed>) = 0 [pid 300] ioctl(3, LOOP_CLR_FD [pid 12378] getsockname(4, [pid 12376] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12378] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12376, nl_groups=00000000}, [116 => 12]) = 0 [pid 300] close(3 [pid 12378] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... close resumed>) = 0 [pid 12378] <... futex resumed>) = 1 [pid 12376] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 12378] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12376] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555591690) = 12384 [pid 12378] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x58\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12376] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12371] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12371] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12386]}, 88) = 12386 [pid 12371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12371] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12371] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12383] memfd_create("syzkaller", 0) = 3 [pid 12383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12383] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12383] munmap(0x7fb91de38000, 138412032) = 0 [pid 12383] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 172.816567][T12377] loop2: detected capacity change from 0 to 256 [ 172.818951][T12378] loop0: detected capacity change from 0 to 256 [ 172.836057][T12378] exfat: Bad value for 'uid' [ 172.841308][T12377] exfat: Bad value for 'uid' [pid 12383] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 12386 attached ./strace-static-x86_64: Process 12384 attached [pid 12384] set_robust_list(0x5555555916a0, 24) = 0 [pid 12384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12384] setpgid(0, 0) = 0 [pid 12384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12384] write(3, "1000", 4) = 4 [pid 12384] close(3) = 0 [pid 12384] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12384] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12386] set_robust_list(0x7fb9262379a0, 24 [pid 12384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 12386] <... set_robust_list resumed>) = 0 [pid 12384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12386] rt_sigprocmask(SIG_SETMASK, [], [pid 12384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12384] <... mmap resumed>) = 0x7fb926238000 [pid 12386] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12384] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12386] <... bpf resumed>) = 5 [pid 12384] <... mprotect resumed>) = 0 [pid 12386] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12383] <... ioctl resumed>) = 0 [pid 12383] close(3) = 0 [pid 12383] close(4) = 0 [pid 12383] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12383] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12386] <... futex resumed>) = 1 [pid 12384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12371] <... futex resumed>) = 0 [pid 12386] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12371] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12387 attached [pid 12386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12383] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12371] <... futex resumed>) = 0 [pid 12387] set_robust_list(0x7fb9262589a0, 24 [pid 12386] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12384] <... clone3 resumed> => {parent_tid=[12387]}, 88) = 12387 [pid 12383] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 12371] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12384] rt_sigprocmask(SIG_SETMASK, [], [pid 12383] <... openat resumed>) = 3 [pid 12384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12383] ioctl(3, LOOP_CLR_FD [pid 12384] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12387] <... set_robust_list resumed>) = 0 [pid 12384] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12386] <... bpf resumed>) = 0 [pid 12387] memfd_create("syzkaller", 0 [pid 12386] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12371] <... futex resumed>) = 0 [pid 12386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12371] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12387] <... memfd_create resumed>) = 3 [pid 12371] <... futex resumed>) = 0 [pid 12387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12371] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12387] <... mmap resumed>) = 0x7fb91de38000 [pid 12386] <... bpf resumed>) = 6 [pid 12375] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12386] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] <... futex resumed>) = 0 [pid 12386] <... futex resumed>) = 1 [pid 12375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12371] <... futex resumed>) = 0 [pid 12386] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12375] <... mmap resumed>) = 0x7fb926217000 [pid 12371] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12386] <... bpf resumed>) = 7 [pid 12375] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12371] <... futex resumed>) = 0 [pid 12387] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12375] <... mprotect resumed>) = 0 [pid 12371] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12386] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12387] <... write resumed>) = 131072 [pid 12386] <... futex resumed>) = 0 [pid 12375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12371] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12371] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12388 attached [pid 12387] munmap(0x7fb91de38000, 138412032 [pid 12371] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12388] set_robust_list(0x7fb9262379a0, 24 [pid 12387] <... munmap resumed>) = 0 [pid 12375] <... clone3 resumed> => {parent_tid=[12388]}, 88) = 12388 [pid 12388] <... set_robust_list resumed>) = 0 [pid 12387] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12386] <... bpf resumed>) = 8 [pid 12375] rt_sigprocmask(SIG_SETMASK, [], [pid 12388] rt_sigprocmask(SIG_SETMASK, [], [pid 12387] <... openat resumed>) = 4 [pid 12386] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12387] ioctl(4, LOOP_SET_FD, 3 [pid 12386] <... futex resumed>) = 1 [pid 12375] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12371] <... futex resumed>) = 0 [pid 12388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12386] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12383] <... ioctl resumed>) = 0 [pid 12371] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12383] close(3 [pid 12371] <... futex resumed>) = 0 [pid 12388] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12387] <... ioctl resumed>) = 0 [pid 12386] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12383] <... close resumed>) = 0 [pid 12375] <... futex resumed>) = 0 [pid 12371] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12388] <... bpf resumed>) = 5 [pid 12387] close(3 [pid 12383] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12388] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12387] <... close resumed>) = 0 [pid 12383] <... futex resumed>) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12388] <... futex resumed>) = 1 [pid 12387] close(4 [pid 12383] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12380] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] <... futex resumed>) = 0 [pid 12388] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12387] <... close resumed>) = 0 [pid 12383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12380] <... futex resumed>) = 0 [pid 12375] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12387] mkdir("./file0", 0777 [pid 12383] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12380] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12375] <... futex resumed>) = 0 [pid 12388] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12387] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12383] <... socket resumed>) = 3 [pid 12375] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12388] <... bpf resumed>) = 0 [pid 12387] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12383] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12388] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12383] <... futex resumed>) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12377] <... sendmsg resumed>) = 64 [pid 12376] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12375] <... futex resumed>) = 0 [pid 12388] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12387] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12386] <... bpf resumed>) = 9 [pid 12383] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12380] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12376] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12372] <... sendmsg resumed>) = 64 [pid 12387] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12386] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12380] <... futex resumed>) = 0 [pid 12377] <... futex resumed>) = 0 [pid 12376] <... futex resumed>) = 0 [pid 12375] <... futex resumed>) = 0 [pid 12372] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12387] <... openat resumed>) = 3 [pid 12386] <... futex resumed>) = 1 [pid 12383] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12380] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12372] <... futex resumed>) = 0 [pid 12371] <... futex resumed>) = 0 [pid 12387] ioctl(3, LOOP_CLR_FD [pid 12386] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12383] <... socket resumed>) = 4 [pid 12377] <... bpf resumed>) = 6 [pid 12376] <... mmap resumed>) = 0x7fb926217000 [pid 12372] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12371] exit_group(0 [pid 12383] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12376] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE [pid 12386] <... futex resumed>) = ? [pid 12383] <... futex resumed>) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12377] <... futex resumed>) = 1 [pid 12375] <... futex resumed>) = 0 [pid 12372] <... futex resumed>) = ? [pid 12371] <... exit_group resumed>) = ? [pid 12383] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12380] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] <... mprotect resumed>) = 0 [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12383] <... sendto resumed>) = 32 [pid 12380] <... futex resumed>) = 0 [pid 12377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12375] <... futex resumed>) = 0 [pid 12372] +++ exited with 0 +++ [pid 12383] recvfrom(4, [pid 12380] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12383] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12380}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} [pid 12383] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] <... bpf resumed>) = 7 [pid 12383] <... futex resumed>) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12376] <... clone3 resumed> => {parent_tid=[12389]}, 88) = 12389 [pid 12383] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12380] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] <... futex resumed>) = 1 [pid 12375] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12389 attached [pid 12377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12380] <... futex resumed>) = 0 [pid 12376] rt_sigprocmask(SIG_SETMASK, [], [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12389] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12389] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12380] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] <... bpf resumed>) = 8 [pid 12375] <... futex resumed>) = 0 [pid 12383] getsockname(4, [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12383] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12380, nl_groups=00000000}, [116 => 12]) = 0 [pid 12377] <... futex resumed>) = 0 [pid 12376] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12389] <... futex resumed>) = 0 [pid 12383] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] <... futex resumed>) = 1 [pid 12375] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12383] <... futex resumed>) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12376] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12375] <... futex resumed>) = 0 [pid 12389] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 12383] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12380] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12375] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12380] <... futex resumed>) = 0 [pid 12380] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12383] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x5c\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12389] <... bpf resumed>) = 5 [pid 12389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12389] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] <... futex resumed>) = 0 [pid 12376] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12389] <... futex resumed>) = 0 [pid 12376] <... futex resumed>) = 1 [pid 12389] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12376] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12389] <... bpf resumed>) = 0 [pid 12389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12376] <... futex resumed>) = 0 [pid 12389] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12376] <... futex resumed>) = 0 [pid 12389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12376] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12389] <... bpf resumed>) = 6 [pid 12389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12376] <... futex resumed>) = 0 [pid 12389] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12376] <... futex resumed>) = 0 [pid 12389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12376] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12386] +++ exited with 0 +++ [pid 12377] <... bpf resumed>) = 9 [pid 12371] +++ exited with 0 +++ [pid 12389] <... bpf resumed>) = 7 [pid 12389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12377] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12371, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12389] <... futex resumed>) = 1 [pid 12377] <... futex resumed>) = 1 [pid 12376] <... futex resumed>) = 0 [pid 12375] <... futex resumed>) = 0 [pid 12389] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12377] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] exit_group(0 [pid 12389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12388] <... futex resumed>) = ? [pid 12377] <... futex resumed>) = ? [pid 12376] <... futex resumed>) = 0 [pid 12375] <... exit_group resumed>) = ? [pid 12389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12388] +++ exited with 0 +++ [pid 12377] +++ exited with 0 +++ [pid 12376] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12389] <... bpf resumed>) = 8 [pid 297] <... openat resumed>) = 3 [pid 12389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(3, LOOP_CLR_FD [pid 12389] <... futex resumed>) = 1 [pid 12376] <... futex resumed>) = 0 [pid 297] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 12389] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12376] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] close(3 [pid 12389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12376] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 12376] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12391 ./strace-static-x86_64: Process 12391 attached [pid 12391] set_robust_list(0x5555555916a0, 24) = 0 [pid 12391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12391] setpgid(0, 0) = 0 [pid 12391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12391] write(3, "1000", 4) = 4 [pid 12391] close(3) = 0 [pid 12391] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 172.894298][T12383] loop3: detected capacity change from 0 to 256 [ 172.903597][T12383] exfat: Bad value for 'uid' [ 172.926453][T12387] loop4: detected capacity change from 0 to 256 [ 172.934824][T12387] exfat: Bad value for 'uid' [pid 12391] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12391] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12387] <... ioctl resumed>) = 0 [pid 12387] close(3) = 0 [pid 12387] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12387] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12378] <... sendmsg resumed>) = 64 [pid 12384] <... futex resumed>) = 0 [pid 12378] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12384] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12378] <... futex resumed>) = 0 [pid 12387] <... futex resumed>) = 0 [pid 12384] <... futex resumed>) = 1 [pid 12378] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12391] <... clone3 resumed> => {parent_tid=[12392]}, 88) = 12392 [pid 12391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12391] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12391] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12392 attached [pid 12392] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12392] memfd_create("syzkaller", 0) = 3 [pid 12392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12384] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12387] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 12392] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 12392] munmap(0x7fb91de38000, 138412032 [pid 12387] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12384] <... futex resumed>) = 0 [pid 12387] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12384] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12384] <... futex resumed>) = 0 [pid 12387] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12384] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12387] <... socket resumed>) = 4 [pid 12387] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12384] <... futex resumed>) = 0 [pid 12387] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12384] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12384] <... futex resumed>) = 0 [pid 12387] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12384] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12387] <... sendto resumed>) = 32 [pid 12387] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12384}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12387] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12384] <... futex resumed>) = 0 [pid 12387] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12384] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12384] <... futex resumed>) = 0 [pid 12387] getsockname(4, [pid 12384] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12387] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12384, nl_groups=00000000}, [116 => 12]) = 0 [pid 12387] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12384] <... futex resumed>) = 0 [pid 12387] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12384] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12384] <... futex resumed>) = 0 [pid 12387] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x60\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12384] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12392] <... munmap resumed>) = 0 [pid 12392] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 12392] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 12392] close(3) = 0 [pid 12392] close(4) = 0 [pid 12392] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 12392] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 12380] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12375] +++ exited with 0 +++ [pid 12380] <... futex resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12375, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 12389] <... bpf resumed>) = 9 [pid 12389] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12392] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12389] <... futex resumed>) = 1 [pid 12380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 12376] <... futex resumed>) = 0 [pid 12380] <... mmap resumed>) = 0x7fb926217000 [pid 12380] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12380] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12376] exit_group(0 [pid 12389] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12380] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0}./strace-static-x86_64: Process 12394 attached [pid 12392] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 12389] <... futex resumed>) = ? [pid 12378] <... futex resumed>) = ? [pid 12376] <... exit_group resumed>) = ? [pid 12394] set_robust_list(0x7fb9262379a0, 24 [pid 12392] <... openat resumed>) = 3 [pid 12389] +++ exited with 0 +++ [pid 12380] <... clone3 resumed> => {parent_tid=[12394]}, 88) = 12394 [pid 12378] +++ exited with 0 +++ [pid 12392] ioctl(3, LOOP_CLR_FD [pid 12380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12376] +++ exited with 0 +++ [pid 12394] <... set_robust_list resumed>) = 0 [pid 12394] rt_sigprocmask(SIG_SETMASK, [], [pid 12380] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12380] <... futex resumed>) = 0 [pid 12380] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12376, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 298] <... openat resumed>) = 3 [pid 12394] <... bpf resumed>) = 5 [pid 12394] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12380] <... futex resumed>) = 0 [pid 12380] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12380] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12394] <... futex resumed>) = 1 [pid 12394] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4) = 0 [pid 12394] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12380] <... futex resumed>) = 0 [pid 12380] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12380] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12394] <... futex resumed>) = 1 [pid 12394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] ioctl(3, LOOP_CLR_FD [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] close(3 [pid 12394] <... bpf resumed>) = 6 [pid 298] <... close resumed>) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... openat resumed>) = 3 [pid 294] ioctl(3, LOOP_CLR_FD [pid 298] <... clone resumed>, child_tidptr=0x555555591690) = 12395 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12396 [pid 12394] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12380] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12380] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16./strace-static-x86_64: Process 12395 attached [pid 12395] set_robust_list(0x5555555916a0, 24) = 0 [pid 12395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12395] setpgid(0, 0) = 0 [pid 12395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 12396 attached [pid 12396] set_robust_list(0x5555555916a0, 24) = 0 [pid 12395] <... openat resumed>) = 3 [pid 12396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 12395] write(3, "1000", 4) = 4 [pid 12396] <... prctl resumed>) = 0 [pid 12395] close(3) = 0 [pid 12395] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12395] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12396] setpgid(0, 0 [pid 12395] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 12396] <... setpgid resumed>) = 0 [pid 12395] <... mprotect resumed>) = 0 [pid 12396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12396] <... openat resumed>) = 3 [pid 12395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12396] write(3, "1000", 4) = 4 [pid 12396] close(3) = 0 [pid 12396] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12396] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12396] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 12395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12394] <... bpf resumed>) = 7 [pid 12396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 12394] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46 [pid 12380] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 12397 attached [pid 12396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} [pid 12380] <... futex resumed>) = 0 [pid 12395] <... clone3 resumed> => {parent_tid=[12397]}, 88) = 12397 [pid 12380] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12398 attached [pid 12397] set_robust_list(0x7fb9262589a0, 24 [pid 12396] <... clone3 resumed> => {parent_tid=[12398]}, 88) = 12398 [pid 12395] rt_sigprocmask(SIG_SETMASK, [], [pid 12394] <... bpf resumed>) = 8 [pid 12398] set_robust_list(0x7fb9262589a0, 24 [pid 12394] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12394] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12380] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12380] <... futex resumed>) = 0 [pid 12394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12380] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12398] <... set_robust_list resumed>) = 0 [pid 12397] <... set_robust_list resumed>) = 0 [pid 12396] rt_sigprocmask(SIG_SETMASK, [], [pid 12395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12394] <... bpf resumed>) = 9 [pid 12394] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12380] <... futex resumed>) = 0 [pid 12394] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12395] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12398] rt_sigprocmask(SIG_SETMASK, [], [pid 12396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12395] <... futex resumed>) = 0 [pid 12398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12398] memfd_create("syzkaller", 0) = 3 [pid 12398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 12397] rt_sigprocmask(SIG_SETMASK, [], [pid 12396] <... futex resumed>) = 0 [pid 12395] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12398] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 12398] <... write resumed>) = 131072 [pid 12397] memfd_create("syzkaller", 0 [pid 12398] munmap(0x7fb91de38000, 138412032) = 0 [pid 12398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 12397] <... memfd_create resumed>) = 3 [pid 12398] ioctl(4, LOOP_SET_FD, 3 [pid 12392] <... ioctl resumed>) = 0 [pid 12392] close(3 [pid 12384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 172.984406][T12392] loop1: detected capacity change from 0 to 256 [ 172.993666][T12392] exfat: Bad value for 'uid' [pid 12384] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926217000 [pid 12384] mprotect(0x7fb926218000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 12384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926237990, parent_tid=0x7fb926237990, exit_signal=0, stack=0x7fb926217000, stack_size=0x20300, tls=0x7fb9262376c0} => {parent_tid=[12399]}, 88) = 12399 [pid 12384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12384] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12384] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 12399 attached [pid 12399] set_robust_list(0x7fb9262379a0, 24) = 0 [pid 12399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12392] <... close resumed>) = 0 [pid 12399] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 12399] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12384] <... futex resumed>) = 0 [pid 12384] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12384] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12392] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12391] <... futex resumed>) = 0 [pid 12392] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12391] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12391] <... futex resumed>) = 0 [pid 12392] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12391] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12392] <... socket resumed>) = 3 [pid 12392] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12391] <... futex resumed>) = 0 [pid 12399] <... futex resumed>) = 1 [pid 12398] <... ioctl resumed>) = 0 [pid 12397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 12392] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12391] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12397] <... mmap resumed>) = 0x7fb91de38000 [pid 12392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12391] <... futex resumed>) = 0 [pid 12399] bpf(BPF_MAP_FREEZE, {map_fd=5}, 4 [pid 12398] close(3 [pid 12397] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12392] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12399] <... bpf resumed>) = 0 [pid 12391] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12398] <... close resumed>) = 0 [pid 12392] <... socket resumed>) = 4 [pid 12399] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12397] <... write resumed>) = 131072 [pid 12392] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12399] <... futex resumed>) = 1 [pid 12398] close(4 [pid 12397] munmap(0x7fb91de38000, 138412032 [pid 12392] <... futex resumed>) = 1 [pid 12391] <... futex resumed>) = 0 [pid 12384] <... futex resumed>) = 0 [pid 12397] <... munmap resumed>) = 0 [pid 12392] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12391] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12397] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 12392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12391] <... futex resumed>) = 0 [pid 12384] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12397] <... openat resumed>) = 4 [pid 12392] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12391] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 12398] <... close resumed>) = 0 [pid 12397] ioctl(4, LOOP_SET_FD, 3 [pid 12384] <... futex resumed>) = 0 [pid 12399] <... bpf resumed>) = 6 [pid 12398] mkdir("./file0", 0777 [pid 12384] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12399] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12398] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12399] <... futex resumed>) = 1 [pid 12398] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12384] <... futex resumed>) = 0 [pid 12399] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 16 [pid 12392] <... sendto resumed>) = 32 [pid 12384] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12399] <... bpf resumed>) = 7 [pid 12384] <... futex resumed>) = 0 [pid 12384] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12383] <... sendmsg resumed>) = 64 [pid 12397] <... ioctl resumed>) = 0 [pid 12392] recvfrom(4, [pid 12398] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12383] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12399] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12398] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 12397] close(3 [pid 12392] <... recvfrom resumed>[{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12391}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12383] <... futex resumed>) = 0 [pid 12399] <... futex resumed>) = 1 [pid 12398] <... openat resumed>) = 3 [pid 12397] <... close resumed>) = 0 [pid 12392] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12384] <... futex resumed>) = 0 [pid 12383] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12380] exit_group(0 [pid 12384] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12392] <... futex resumed>) = 1 [pid 12391] <... futex resumed>) = 0 [pid 12397] close(4 [pid 12384] <... futex resumed>) = 0 [pid 12392] getsockname(4, [pid 12397] <... close resumed>) = 0 [pid 12391] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000980, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 8 [pid 12399] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12399] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12398] ioctl(3, LOOP_CLR_FD [pid 12397] mkdir("./file0", 0777 [pid 12394] <... futex resumed>) = ? [pid 12392] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12391, nl_groups=00000000}, [116 => 12]) = 0 [pid 12391] <... futex resumed>) = 0 [pid 12384] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12383] <... futex resumed>) = ? [pid 12380] <... exit_group resumed>) = ? [pid 12397] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 12394] +++ exited with 0 +++ [pid 12391] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12383] +++ exited with 0 +++ [pid 12392] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12397] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "iocharset=cp874,discard,fmask=00000000000000000003777,uid=0xffffffffffffffff,dmask=00000000000000000"... [pid 12392] <... futex resumed>) = 1 [pid 12391] <... futex resumed>) = 0 [pid 12384] futex(0x7fb926325738, FUTEX_WAKE_PRIVATE, 1000000 [pid 12392] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12391] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12392] <... futex resumed>) = 0 [pid 12391] <... futex resumed>) = 1 [pid 12392] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x67\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12391] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12399] <... futex resumed>) = 0 [pid 12384] <... futex resumed>) = 1 [pid 12399] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=8}}, 16 [pid 12384] futex(0x7fb92632573c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 12397] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 12397] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 12397] ioctl(3, LOOP_CLR_FD [pid 12387] <... sendmsg resumed>) = 64 [pid 12380] +++ exited with 0 +++ [pid 12387] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000 [pid 12399] <... bpf resumed>) = 9 [pid 12387] <... futex resumed>) = 0 [pid 12387] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12399] futex(0x7fb92632573c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12384] <... futex resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12380, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 12399] futex(0x7fb926325738, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12384] exit_group(0 [pid 12399] <... futex resumed>) = ? [pid 12387] <... futex resumed>) = ? [pid 12384] <... exit_group resumed>) = ? [pid 12399] +++ exited with 0 +++ [pid 12387] +++ exited with 0 +++ [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 12384] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... openat resumed>) = 3 [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12401 ./strace-static-x86_64: Process 12401 attached [pid 12401] set_robust_list(0x5555555916a0, 24) = 0 [pid 12401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12401] setpgid(0, 0) = 0 [pid 12401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 12401] write(3, "1000", 4) = 4 [pid 12401] close(3) = 0 [pid 12401] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12401] rt_sigaction(SIGRT_1, {sa_handler=0x7fb9262c2eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9262b4560}, NULL, 8) = 0 [pid 12401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 12401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb926238000 [pid 12401] mprotect(0x7fb926239000, 131072, PROT_READ|PROT_WRITE [pid 300] <... restart_syscall resumed>) = 0 [pid 12401] <... mprotect resumed>) = 0 [pid 12401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 12401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb926258990, parent_tid=0x7fb926258990, exit_signal=0, stack=0x7fb926238000, stack_size=0x20300, tls=0x7fb9262586c0} => {parent_tid=[12402]}, 88) = 12402 [pid 12401] rt_sigprocmask(SIG_SETMASK, [], [pid 300] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 12401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 12401] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 12401] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 12402 attached [pid 12402] set_robust_list(0x7fb9262589a0, 24) = 0 [pid 12402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 12402] memfd_create("syzkaller", 0) = 3 [pid 12402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb91de38000 [pid 300] <... openat resumed>) = 3 [pid 300] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 300] close(3) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555591690) = 12403 [pid 12402] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 12398] <... ioctl resumed>) = 0 [pid 12398] close(3) = 0 [pid 12398] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12396] <... futex resumed>) = 0 [pid 12398] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12396] <... futex resumed>) = 0 [pid 12398] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12398] <... socket resumed>) = 3 [pid 12398] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12396] <... futex resumed>) = 0 [pid 12398] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12396] <... futex resumed>) = 0 [pid 12398] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12398] <... socket resumed>) = 4 [pid 12398] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12396] <... futex resumed>) = 0 [pid 12398] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12396] <... futex resumed>) = 0 [pid 12398] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12398] <... sendto resumed>) = 32 [pid 12398] recvfrom(4, [{nlmsg_len=52, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=12396}, {error=-ENODEV, msg=[{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"]}], 4096, 0, NULL, NULL) = 52 [pid 12398] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12396] <... futex resumed>) = 0 [pid 12398] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12396] <... futex resumed>) = 0 [pid 12398] getsockname(4, [pid 12396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12398] <... getsockname resumed>{sa_family=AF_NETLINK, nl_pid=12396, nl_groups=00000000}, [116 => 12]) = 0 [pid 12398] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12396] <... futex resumed>) = 0 [pid 12398] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12396] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12396] <... futex resumed>) = 0 [pid 12398] sendmsg(3, {msg_name=NULL, msg_namelen=2560, msg_iov=[{iov_base="\x40\x00\x00\x00\x10\x00\x1f\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x12\x80\x0e\x00\x01\x00\x77\x69\x72\x65\x67\x75\x61\x72\x64\x00\x00\x00\x02\xa5\x02\x80\x08\x00\x0a\x00\x6c\x30\x00\x00", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 12396] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12402] <... write resumed>) = 131072 [pid 12402] munmap(0x7fb91de38000, 138412032) = 0 [pid 12402] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 173.034695][T12398] loop0: detected capacity change from 0 to 256 [ 173.053214][T12398] exfat: Bad value for 'uid' [ 173.054766][T12397] loop2: detected capacity change from 0 to 256 [ 173.071633][T12397] exfat: Bad value for 'uid' [pid 12402] ioctl(4, LOOP_SET_FD, 3 [pid 12397] <... ioctl resumed>) = 0 [pid 12397] close(3) = 0 [pid 12397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12397] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12395] <... futex resumed>) = 0 ./strace-static-x86_64: Process 12403 attached [pid 12395] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12403] set_robust_list(0x5555555916a0, 24) = 0 [pid 12403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 12403] setpgid(0, 0) = 0 [pid 12403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 12397] <... futex resumed>) = 0 [pid 12395] <... futex resumed>) = 1 [pid 12397] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 12395] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12397] <... socket resumed>) = 3 [pid 12397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12395] <... futex resumed>) = 0 [pid 12397] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12395] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12395] <... futex resumed>) = 0 [pid 12397] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 12395] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12397] <... socket resumed>) = 4 [pid 12397] futex(0x7fb92632572c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 12395] <... futex resumed>) = 0 [pid 12397] futex(0x7fb926325728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 12395] futex(0x7fb926325728, FUTEX_WAKE_PRIVATE, 1000000 [pid 12397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 12395] <... futex resumed>) = 0 [pid 12397] sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 12395] futex(0x7fb92632572c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 12397] <... sendto resumed>) = 32