./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1360665242 <...> Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts. execve("./syz-executor1360665242", ["./syz-executor1360665242"], 0x7ffc707f1130 /* 10 vars */) = 0 brk(NULL) = 0x5555570c8000 brk(0x5555570c8d40) = 0x5555570c8d40 arch_prctl(ARCH_SET_FS, 0x5555570c8400) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555570c86d0) = 5067 set_robust_list(0x5555570c86e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fde77510ea0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fde775103f0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fde77510f40, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fde775103f0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1360665242", 4096) = 28 brk(0x5555570e9d40) = 0x5555570e9d40 brk(0x5555570ea000) = 0x5555570ea000 mprotect(0x7fde775d3000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 getpid() = 5067 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "5067", 4) = 4 close(3) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=704, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5067}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x26\x00\x00\x00\x48\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 704 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5067}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 access("/proc/net", R_OK) = 0 access("/proc/net/unix", R_OK) = 0 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5067}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5067}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5067}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5067}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5067}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fde7750aa20, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fde775103f0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fde7750aa20, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fde775103f0}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570c86d0) = 5069 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570c86d0) = 5070 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570c86d0) = 5071 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570c86d0) = 5072 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570c86d0) = 5073 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached [pid 5069] set_robust_list(0x5555570c86e0, 24) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] <... clone resumed>, child_tidptr=0x5555570c86d0) = 5074 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x5555570c86e0, 24./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x5555570c86e0, 24 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] close(3./strace-static-x86_64: Process 5070 attached [pid 5072] <... set_robust_list resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5074 attached [pid 5072] close(3 [pid 5074] set_robust_list(0x5555570c86e0, 24 [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x5555570c86d0) = 5075 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5071] <... clone resumed>, child_tidptr=0x5555570c86d0) = 5076 [pid 5072] <... clone resumed>, child_tidptr=0x5555570c86d0) = 5077 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] set_robust_list(0x5555570c86e0, 24./strace-static-x86_64: Process 5077 attached [pid 5077] set_robust_list(0x5555570c86e0, 24./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x5555570c86e0, 24 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5073 attached [pid 5076] <... set_robust_list resumed>) = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5073] set_robust_list(0x5555570c86e0, 24 [pid 5077] <... prctl resumed>) = 0 [pid 5076] <... prctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555570c86d0) = 5079 [pid 5077] setpgid(0, 0 [pid 5076] setpgid(0, 0 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5077] <... setpgid resumed>) = 0 [pid 5076] <... setpgid resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... openat resumed>) = 3 [pid 5076] <... openat resumed>) = 3 [pid 5077] write(3, "1000", 4 [pid 5076] write(3, "1000", 4./strace-static-x86_64: Process 5079 attached [pid 5077] <... write resumed>) = 4 [pid 5076] <... write resumed>) = 4 [pid 5079] set_robust_list(0x5555570c86e0, 24 [pid 5077] close(3 [pid 5076] close(3 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... prctl resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5075 attached [pid 5079] setpgid(0, 0 [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... setpgid resumed>) = 0 [pid 5077] <... mmap resumed>) = 0x7fde774df000 [pid 5076] <... mmap resumed>) = 0x7fde774df000 [pid 5073] <... openat resumed>) = 3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] mprotect(0x7fde774e0000, 131072, PROT_READ|PROT_WRITE [pid 5076] mprotect(0x7fde774e0000, 131072, PROT_READ|PROT_WRITE [pid 5075] set_robust_list(0x5555570c86e0, 24 [pid 5079] <... openat resumed>) = 3 [pid 5077] <... mprotect resumed>) = 0 [pid 5076] <... mprotect resumed>) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] close(3 [pid 5079] write(3, "1000", 4 [pid 5077] clone(child_stack=0x7fde774ff2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5076] clone(child_stack=0x7fde774ff2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] <... write resumed>) = 4 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... close resumed>) = 0 [pid 5079] close(3 [pid 5077] <... clone resumed>, parent_tid=[5080], tls=0x7fde774ff700, child_tidptr=0x7fde774ff9d0) = 5080 [pid 5076] <... clone resumed>, parent_tid=[5081], tls=0x7fde774ff700, child_tidptr=0x7fde774ff9d0) = 5081 [pid 5073] close(3 [pid 5079] <... close resumed>) = 0 [pid 5077] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5075] <... prctl resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... futex resumed>) = 0 [pid 5077] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fde774df000 [pid 5079] mprotect(0x7fde774e0000, 131072, PROT_READ|PROT_WRITE [pid 5075] setpgid(0, 0 [pid 5073] <... clone resumed>, child_tidptr=0x5555570c86d0) = 5083 [pid 5070] <... clone resumed>, child_tidptr=0x5555570c86d0) = 5082 ./strace-static-x86_64: Process 5081 attached [pid 5079] <... mprotect resumed>) = 0 [pid 5075] <... setpgid resumed>) = 0 [pid 5081] set_robust_list(0x7fde774ff9e0, 24 [pid 5079] clone(child_stack=0x7fde774ff2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5080 attached [pid 5081] <... set_robust_list resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] memfd_create("syzkaller", 0 [pid 5080] set_robust_list(0x7fde774ff9e0, 24 [pid 5079] <... clone resumed>, parent_tid=[5084], tls=0x7fde774ff700, child_tidptr=0x7fde774ff9d0) = 5084 [pid 5081] <... memfd_create resumed>) = 3 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... openat resumed>) = 3 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] memfd_create("syzkaller", 0 [pid 5079] <... futex resumed>) = 0 [pid 5075] write(3, "1000", 4./strace-static-x86_64: Process 5084 attached [pid 5081] <... mmap resumed>) = 0x7fde6f0df000 [pid 5080] <... memfd_create resumed>) = 3 [pid 5079] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... write resumed>) = 4 [pid 5084] set_robust_list(0x7fde774ff9e0, 24 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] close(3./strace-static-x86_64: Process 5083 attached [pid 5084] <... set_robust_list resumed>) = 0 [pid 5080] <... mmap resumed>) = 0x7fde6f0df000 [pid 5075] <... close resumed>) = 0 ./strace-static-x86_64: Process 5082 attached [pid 5084] memfd_create("syzkaller", 0 [pid 5075] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... memfd_create resumed>) = 3 [pid 5083] set_robust_list(0x5555570c86e0, 24 [pid 5082] set_robust_list(0x5555570c86e0, 24 [pid 5075] <... futex resumed>) = 0 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5084] <... mmap resumed>) = 0x7fde6f0df000 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... mmap resumed>) = 0x7fde774df000 [pid 5083] <... prctl resumed>) = 0 [pid 5082] <... prctl resumed>) = 0 [pid 5075] mprotect(0x7fde774e0000, 131072, PROT_READ|PROT_WRITE [pid 5082] setpgid(0, 0 [pid 5075] <... mprotect resumed>) = 0 [pid 5083] setpgid(0, 0 [pid 5082] <... setpgid resumed>) = 0 [pid 5083] <... setpgid resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] clone(child_stack=0x7fde774ff2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] <... openat resumed>) = 3 [pid 5083] write(3, "1000", 4 [pid 5082] write(3, "1000", 4./strace-static-x86_64: Process 5085 attached [pid 5075] <... clone resumed>, parent_tid=[5085], tls=0x7fde774ff700, child_tidptr=0x7fde774ff9d0) = 5085 [pid 5075] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... write resumed>) = 4 [pid 5085] set_robust_list(0x7fde774ff9e0, 24 [pid 5082] <... write resumed>) = 4 [pid 5075] <... futex resumed>) = 0 [pid 5083] close(3 [pid 5082] close(3 [pid 5075] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5082] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... mmap resumed>) = 0x7fde774df000 [pid 5082] <... mmap resumed>) = 0x7fde774df000 [pid 5083] mprotect(0x7fde774e0000, 131072, PROT_READ|PROT_WRITE [pid 5082] mprotect(0x7fde774e0000, 131072, PROT_READ|PROT_WRITE [pid 5085] memfd_create("syzkaller", 0 [pid 5083] <... mprotect resumed>) = 0 [pid 5082] <... mprotect resumed>) = 0 [pid 5081] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x04\x70\x05\x00\x04\xf8\x20\x00\x20\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x56\xd7\xe1\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x36\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd\x19\xeb\xfe\xab\x00\x69\x73\x20\x69\x73\x20\x6e"..., 4194304 [pid 5085] <... memfd_create resumed>) = 3 [pid 5083] clone(child_stack=0x7fde774ff2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] clone(child_stack=0x7fde774ff2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde6f0df000 [pid 5083] <... clone resumed>, parent_tid=[5088], tls=0x7fde774ff700, child_tidptr=0x7fde774ff9d0) = 5088 [pid 5082] <... clone resumed>, parent_tid=[5087], tls=0x7fde774ff700, child_tidptr=0x7fde774ff9d0) = 5087 ./strace-static-x86_64: Process 5087 attached [pid 5087] set_robust_list(0x7fde774ff9e0, 24) = 0 [pid 5087] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 1 [pid 5087] memfd_create("syzkaller", 0 [pid 5083] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5087] <... memfd_create resumed>) = 3 [pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde6f0df000 ./strace-static-x86_64: Process 5088 attached [pid 5088] set_robust_list(0x7fde774ff9e0, 24) = 0 [pid 5088] memfd_create("syzkaller", 0) = 3 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde6f0df000 [pid 5080] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x04\x70\x05\x00\x04\xf8\x20\x00\x20\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x56\xd7\xe1\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x36\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd\x19\xeb\xfe\xab\x00\x69\x73\x20\x69\x73\x20\x6e"..., 4194304 [pid 5084] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x04\x70\x05\x00\x04\xf8\x20\x00\x20\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x56\xd7\xe1\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x36\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd\x19\xeb\xfe\xab\x00\x69\x73\x20\x69\x73\x20\x6e"..., 4194304 [pid 5085] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x04\x70\x05\x00\x04\xf8\x20\x00\x20\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x56\xd7\xe1\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x36\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd\x19\xeb\xfe\xab\x00\x69\x73\x20\x69\x73\x20\x6e"..., 4194304 [pid 5087] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x04\x70\x05\x00\x04\xf8\x20\x00\x20\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x56\xd7\xe1\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x36\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd\x19\xeb\xfe\xab\x00\x69\x73\x20\x69\x73\x20\x6e"..., 4194304 [pid 5088] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x04\x70\x05\x00\x04\xf8\x20\x00\x20\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x56\xd7\xe1\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x36\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd\x19\xeb\xfe\xab\x00\x69\x73\x20\x69\x73\x20\x6e"..., 4194304 [pid 5085] <... write resumed>) = 4194304 [pid 5085] munmap(0x7fde6f0df000, 4194304) = 0 [pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5085] ioctl(4, LOOP_SET_FD, 3 [pid 5088] <... write resumed>) = 4194304 [pid 5087] <... write resumed>) = 4194304 [pid 5084] <... write resumed>) = 4194304 [pid 5081] <... write resumed>) = 4194304 [pid 5080] <... write resumed>) = 4194304 [pid 5087] munmap(0x7fde6f0df000, 4194304 [pid 5081] munmap(0x7fde6f0df000, 4194304 [pid 5080] munmap(0x7fde6f0df000, 4194304 [pid 5087] <... munmap resumed>) = 0 [pid 5081] <... munmap resumed>) = 0 [pid 5080] <... munmap resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5081] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5080] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5087] <... openat resumed>) = 4 [pid 5081] <... openat resumed>) = 4 [pid 5080] <... openat resumed>) = 4 [pid 5087] ioctl(4, LOOP_SET_FD, 3 [pid 5081] ioctl(4, LOOP_SET_FD, 3 [pid 5080] ioctl(4, LOOP_SET_FD, 3 [pid 5088] munmap(0x7fde6f0df000, 4194304 [pid 5085] <... ioctl resumed>) = 0 [pid 5084] munmap(0x7fde6f0df000, 4194304 [pid 5080] <... ioctl resumed>) = 0 [pid 5081] <... ioctl resumed>) = 0 [pid 5081] close(3) = 0 [pid 5080] close(3 [pid 5081] mkdir("./bus", 0777 [pid 5080] <... close resumed>) = 0 [pid 5088] <... munmap resumed>) = 0 [pid 5085] close(3 [pid 5081] <... mkdir resumed>) = 0 [pid 5080] mkdir("./bus", 0777 [pid 5084] <... munmap resumed>) = 0 [pid 5080] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5080] mount("/dev/loop3", "./bus", "vfat", MS_NOATIME|MS_RELATIME|MS_I_VERSION, "" [pid 5088] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5085] <... close resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5088] <... openat resumed>) = 4 [pid 5085] mkdir("./bus", 0777 [pid 5084] <... openat resumed>) = 4 [pid 5081] mount("/dev/loop2", "./bus", "vfat", MS_NOATIME|MS_RELATIME|MS_I_VERSION, "" [pid 5088] ioctl(4, LOOP_SET_FD, 3 [pid 5085] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5084] ioctl(4, LOOP_SET_FD, 3 [pid 5085] mount("/dev/loop0", "./bus", "vfat", MS_NOATIME|MS_RELATIME|MS_I_VERSION, "" [pid 5087] <... ioctl resumed>) = 0 [pid 5087] close(3) = 0 [pid 5087] mkdir("./bus", 0777) = -1 EEXIST (File exists) syzkaller login: [ 51.760953][ T5085] loop0: detected capacity change from 0 to 8192 [ 51.767810][ T5081] loop2: detected capacity change from 0 to 8192 [ 51.775023][ T5087] loop1: detected capacity change from 0 to 8192 [ 51.782000][ T5080] loop3: detected capacity change from 0 to 8192 [pid 5087] mount("/dev/loop1", "./bus", "vfat", MS_NOATIME|MS_RELATIME|MS_I_VERSION, "" [pid 5080] <... mount resumed>) = 0 [pid 5088] <... ioctl resumed>) = 0 [pid 5084] <... ioctl resumed>) = 0 [pid 5081] <... mount resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5081] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5080] <... openat resumed>) = 3 [pid 5081] <... openat resumed>) = 3 [pid 5080] chdir("./bus" [pid 5081] chdir("./bus" [pid 5080] <... chdir resumed>) = 0 [pid 5081] <... chdir resumed>) = 0 [pid 5080] ioctl(4, LOOP_CLR_FD [pid 5081] ioctl(4, LOOP_CLR_FD [pid 5080] <... ioctl resumed>) = 0 [pid 5081] <... ioctl resumed>) = 0 [pid 5080] close(4 [pid 5088] close(3 [pid 5084] close(3 [pid 5081] close(4 [pid 5080] <... close resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5085] <... mount resumed>) = 0 [pid 5084] <... close resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5080] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] mkdir("./bus", 0777 [pid 5087] <... mount resumed>) = 0 [pid 5085] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5084] mkdir("./bus", 0777 [pid 5081] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5080] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 [pid 5081] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5076] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] openat(AT_FDCWD, ".", O_RDONLY [pid 5077] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, ".", O_RDONLY [pid 5080] <... openat resumed>) = 4 [pid 5076] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... openat resumed>) = 4 [pid 5080] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5080] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 [pid 5081] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5076] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5087] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5085] <... openat resumed>) = 3 [pid 5084] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] mkdirat(4, "./bus", 000 [pid 5077] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... futex resumed>) = 0 [ 51.818117][ T5088] loop4: detected capacity change from 0 to 8192 [ 51.829154][ T5084] loop5: detected capacity change from 0 to 8192 [pid 5088] mount("/dev/loop4", "./bus", "vfat", MS_NOATIME|MS_RELATIME|MS_I_VERSION, "" [pid 5087] <... openat resumed>) = 3 [pid 5085] chdir("./bus" [pid 5084] mount("/dev/loop5", "./bus", "vfat", MS_NOATIME|MS_RELATIME|MS_I_VERSION, "" [pid 5081] mkdirat(4, "./bus", 000 [pid 5080] <... mkdirat resumed>) = 0 [pid 5076] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] chdir("./bus" [pid 5085] <... chdir resumed>) = 0 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... chdir resumed>) = 0 [pid 5085] ioctl(4, LOOP_CLR_FD [pid 5081] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5087] ioctl(4, LOOP_CLR_FD [pid 5085] <... ioctl resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5080] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 [pid 5087] <... ioctl resumed>) = 0 [pid 5085] close(4 [pid 5081] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5076] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] close(4 [pid 5085] <... close resumed>) = 0 [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5077] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... futex resumed>) = 0 [pid 5088] <... mount resumed>) = 0 [pid 5087] <... close resumed>) = 0 [pid 5085] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... mount resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = 0 [pid 5076] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5087] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = 1 [pid 5084] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5075] <... futex resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5085] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] <... futex resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5075] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... openat resumed>) = 3 [pid 5087] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] <... openat resumed>) = 3 [pid 5082] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5075] <... futex resumed>) = 0 [pid 5088] chdir("./bus" [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] openat(AT_FDCWD, ".", O_RDONLY [pid 5082] <... futex resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5075] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... chdir resumed>) = 0 [pid 5087] openat(AT_FDCWD, ".", O_RDONLY [pid 5085] <... openat resumed>) = 4 [pid 5084] chdir("./bus" [pid 5082] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5088] ioctl(4, LOOP_CLR_FD [pid 5087] <... openat resumed>) = 4 [pid 5085] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... chdir resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5088] <... ioctl resumed>) = 0 [pid 5087] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = 1 [pid 5084] ioctl(4, LOOP_CLR_FD [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5075] <... futex resumed>) = 0 [pid 5088] close(4 [pid 5087] <... futex resumed>) = 1 [pid 5085] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... ioctl resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5075] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... close resumed>) = 0 [pid 5087] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] close(4 [pid 5082] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5075] <... futex resumed>) = 0 [pid 5088] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] mkdirat(4, "./bus", 000 [pid 5084] <... close resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5075] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... futex resumed>) = 1 [pid 5087] mkdirat(4, "./bus", 000 [pid 5085] <... mkdirat resumed>) = 0 [pid 5084] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... futex resumed>) = 0 [pid 5082] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5088] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 1 [pid 5083] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5079] <... futex resumed>) = 0 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = 1 [pid 5084] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = 0 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5079] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] <... futex resumed>) = 0 [pid 5088] openat(AT_FDCWD, ".", O_RDONLY [pid 5087] <... futex resumed>) = 1 [pid 5085] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5079] <... futex resumed>) = 0 [pid 5077] futex(0x7fde775d96dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... openat resumed>) = 4 [pid 5087] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] openat(AT_FDCWD, ".", O_RDONLY [pid 5082] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5079] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5088] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... openat resumed>) = 4 [pid 5082] <... futex resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... futex resumed>) = 1 [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = 0 [pid 5084] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... futex resumed>) = 0 [pid 5082] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5077] <... mmap resumed>) = 0x7fde6f4be000 [pid 5076] futex(0x7fde775d96dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... futex resumed>) = 1 [pid 5083] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5079] <... futex resumed>) = 0 [pid 5077] mprotect(0x7fde6f4bf000, 131072, PROT_READ|PROT_WRITE [pid 5076] <... futex resumed>) = 0 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = 0 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5079] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... mprotect resumed>) = 0 [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] mkdirat(4, "./bus", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./bus", 000 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5079] <... futex resumed>) = 0 [pid 5077] clone(child_stack=0x7fde6f4de2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5076] <... mmap resumed>) = 0x7fde6f4be000 [pid 5088] <... mkdirat resumed>) = 0 [pid 5088] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5079] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] mprotect(0x7fde6f4bf000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5089 attached [pid 5088] <... futex resumed>) = 1 [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] futex(0x7fde775d96cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... futex resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... clone resumed>, parent_tid=[5089], tls=0x7fde6f4de700, child_tidptr=0x7fde6f4de9d0) = 5089 [pid 5076] <... mprotect resumed>) = 0 [pid 5089] set_robust_list(0x7fde6f4de9e0, 24 [pid 5088] futex(0x7fde775d96c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... futex resumed>) = 0 [pid 5083] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5079] futex(0x7fde775d96c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7fde775d96d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] clone(child_stack=0x7fde6f4de2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5083] <... futex resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5079] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5089] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = 0 [pid 5083] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5079] futex(0x7fde775d96cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] futex(0x7fde775d96dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... clone resumed>, parent_tid=[5090], tls=0x7fde6f4de700, child_tidptr=0x7fde6f4de9d0) = 5090 [pid 5089] <... unlinkat resumed>) = 0 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = 0 [pid 5076] futex(0x7fde775d96d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5076] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5090 attached [pid 5089] <... unlinkat resumed>) = 0 [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5080] <... mkdirat resumed>) = 0 [pid 5076] futex(0x7fde775d96dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5080] mkdirat(4, "./file0/file0", 000 [pid 5090] set_robust_list(0x7fde6f4de9e0, 24 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] mkdirat(4, "./file0/file0", 000 [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5090] <... set_robust_list resumed>) = 0 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5082] futex(0x7fde775d96dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7fde775d96dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5082] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5082] <... mmap resumed>) = 0x7fde6f4be000 [pid 5075] <... mmap resumed>) = 0x7fde6f4be000 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5082] mprotect(0x7fde6f4bf000, 131072, PROT_READ|PROT_WRITE [pid 5075] mprotect(0x7fde6f4bf000, 131072, PROT_READ|PROT_WRITE [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5082] <... mprotect resumed>) = 0 [pid 5075] <... mprotect resumed>) = 0 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5082] clone(child_stack=0x7fde6f4de2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5075] clone(child_stack=0x7fde6f4de2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 5092 attached [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] <... clone resumed>, parent_tid=[5091], tls=0x7fde6f4de700, child_tidptr=0x7fde6f4de9d0) = 5091 [pid 5075] <... clone resumed>, parent_tid=[5092], tls=0x7fde6f4de700, child_tidptr=0x7fde6f4de9d0) = 5092 [pid 5079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5083] futex(0x7fde775d96dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fde775d96d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7fde775d96d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] futex(0x7fde775d96dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] futex(0x7fde775d96dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5083] <... mmap resumed>) = 0x7fde6f4be000 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5083] mprotect(0x7fde6f4bf000, 131072, PROT_READ|PROT_WRITE [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [ 52.027686][ T5089] ------------[ cut here ]------------ [ 52.034202][ T5089] WARNING: CPU: 0 PID: 5089 at fs/inode.c:330 drop_nlink+0xb9/0x100 [ 52.043068][ T5089] Modules linked in: [ 52.047586][ T5089] CPU: 0 PID: 5089 Comm: syz-executor136 Not tainted 6.2.0-rc1-syzkaller #0 [ 52.056654][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.067426][ T5089] RIP: 0010:drop_nlink+0xb9/0x100 [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5083] <... mprotect resumed>) = 0 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5083] clone(child_stack=0x7fde6f4de2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5083] <... clone resumed>, parent_tid=[5093], tls=0x7fde6f4de700, child_tidptr=0x7fde6f4de9d0) = 5093 ./strace-static-x86_64: Process 5091 attached [pid 5092] set_robust_list(0x7fde6f4de9e0, 24 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5083] futex(0x7fde775d96d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] futex(0x7fde775d96dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5083] <... futex resumed>) = 0 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5083] futex(0x7fde775d96dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5093 attached [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] set_robust_list(0x7fde6f4de9e0, 24 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5079] <... futex resumed>) = 0 [pid 5093] set_robust_list(0x7fde6f4de9e0, 24 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5093] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5093] <... unlinkat resumed>) = 0 [pid 5092] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5091] <... set_robust_list resumed>) = 0 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = 0 [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5093] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5093] <... unlinkat resumed>) = 0 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5084] <... mkdirat resumed>) = 0 [pid 5093] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5092] <... unlinkat resumed>) = 0 [pid 5091] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = 0 [pid 5084] mkdirat(4, "./file0/file0", 000 [pid 5079] <... mmap resumed>) = 0x7fde6f4be000 [pid 5088] mkdirat(4, "./file0/file0", 000 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 52.072924][ T5089] Code: 49 8b 1e 48 8d bb c0 07 00 00 be 08 00 00 00 e8 1d 66 e9 ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 77 bc 93 ff <0f> 0b eb 8a 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 63 ff ff ff 4c [ 52.093629][ T5089] RSP: 0018:ffffc90003dbfc30 EFLAGS: 00010293 [ 52.100347][ T5089] RAX: ffffffff81f81ef9 RBX: 1ffff1100e8a374b RCX: ffff888021f20000 [ 52.108847][ T5089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.117884][ T5089] RBP: 0000000000000000 R08: ffffffff81f81e7e R09: fffffbfff1d2ccee [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5091] <... unlinkat resumed>) = 0 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5079] mprotect(0x7fde6f4bf000, 131072, PROT_READ|PROT_WRITE [pid 5092] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = 0 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5091] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5085] mkdirat(4, "./file0/file0", 000 [pid 5079] <... mprotect resumed>) = 0 [pid 5087] mkdirat(4, "./file0/file0", 000 [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] clone(child_stack=0x7fde6f4de2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5094], tls=0x7fde6f4de700, child_tidptr=0x7fde6f4de9d0) = 5094 [ 52.120218][ T5093] ------------[ cut here ]------------ [ 52.126030][ T5089] R10: fffffbfff1d2ccee R11: 1ffffffff1d2cced R12: ffff88807451ba58 [ 52.140263][ T5089] R13: dffffc0000000000 R14: ffff88807451ba10 R15: dffffc0000000000 [ 52.149255][ T5092] ------------[ cut here ]------------ [ 52.153001][ T5093] WARNING: CPU: 1 PID: 5093 at fs/inode.c:330 drop_nlink+0xb9/0x100 [ 52.155163][ T5092] WARNING: CPU: 0 PID: 5092 at fs/inode.c:330 drop_nlink+0xb9/0x100 [ 52.165713][ T5093] Modules linked in: [pid 5079] futex(0x7fde775d96d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5094 attached [pid 5094] set_robust_list(0x7fde6f4de9e0, 24) = 0 [pid 5094] unlinkat(4, "./bus/file0", AT_REMOVEDIR [pid 5079] <... futex resumed>) = 0 [ 52.171555][ T5089] FS: 00007fde6f4de700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 52.173248][ T5093] [ 52.175757][ T5089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.193084][ T5093] CPU: 1 PID: 5093 Comm: syz-executor136 Not tainted 6.2.0-rc1-syzkaller #0 [ 52.193941][ T5092] Modules linked in: [ 52.204715][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.206913][ T5092] CPU: 0 PID: 5092 Comm: syz-executor136 Not tainted 6.2.0-rc1-syzkaller #0 [ 52.219102][ T5093] RIP: 0010:drop_nlink+0xb9/0x100 [ 52.231601][ T5089] CR2: 00007fde6f4de718 CR3: 000000007b70b000 CR4: 00000000003506f0 [ 52.232896][ T5093] Code: 49 8b 1e 48 8d bb c0 07 00 00 be 08 00 00 00 e8 1d 66 e9 ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 77 bc 93 ff <0f> 0b eb 8a 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 63 ff ff ff 4c [ 52.259700][ T5089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.261580][ T5093] RSP: 0018:ffffc90003dffc30 EFLAGS: 00010293 [pid 5079] futex(0x7fde775d96dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 52.267879][ T5089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.269335][ T5093] [ 52.274552][ T5089] Call Trace: [ 52.283735][ T5093] RAX: ffffffff81f81ef9 RBX: 1ffff1100ef919a9 RCX: ffff88801dbb3a80 [ 52.285187][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.290349][ T5093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.307456][ T5089] [ 52.316991][ T5093] RBP: 0000000000000000 R08: ffffffff81f81e7e R09: fffffbfff1d2ccee [ 52.319166][ T5092] RIP: 0010:drop_nlink+0xb9/0x100 [ 52.328280][ T5093] R10: fffffbfff1d2ccee R11: 1ffffffff1d2cced R12: ffff888077c8cd48 [ 52.332366][ T5089] vfat_rmdir+0x2e8/0x490 [ 52.341530][ T5093] R13: dffffc0000000000 R14: ffff888077c8cd00 R15: dffffc0000000000 [ 52.344980][ T5092] Code: 49 8b 1e 48 8d bb c0 07 00 00 be 08 00 00 00 e8 1d 66 e9 ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 77 bc 93 ff <0f> 0b eb 8a 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 63 ff ff ff 4c [ 52.354109][ T5093] FS: 00007fde6f4de700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 52.373130][ T5089] ? vfat_mkdir+0x340/0x340 [ 52.382938][ T5093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.386730][ T5089] ? down_write+0x1a5/0x270 [ 52.394496][ T5093] CR2: 00007fde6f4de718 CR3: 000000002bb56000 CR4: 00000000003506e0 [ 52.397889][ T5089] ? down_read_killable+0x80/0x80 [ 52.407104][ T5093] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.418890][ T5092] RSP: 0018:ffffc90003defc30 EFLAGS: 00010293 [ 52.418918][ T5092] RAX: ffffffff81f81ef9 RBX: 1ffff1100ef9174b RCX: ffff88807e398000 [ 52.426583][ T5093] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.441144][ T5089] ? do_raw_spin_unlock+0x134/0x8a0 [ 52.442865][ T5093] Call Trace: [ 52.446563][ T5089] ? bpf_lsm_inode_rmdir+0x5/0x10 [ 52.450929][ T5093] [ 52.458134][ T5089] ? security_inode_rmdir+0xfa/0x130 [ 52.459857][ T5093] vfat_rmdir+0x2e8/0x490 [ 52.463957][ T5089] vfs_rmdir+0x358/0x4b0 [ 52.469433][ T5093] ? vfat_mkdir+0x340/0x340 [ 52.472511][ T5092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.478053][ T5093] ? down_write+0x1a5/0x270 [ 52.485311][ T5089] do_rmdir+0x37f/0x5f0 [ 52.491173][ T5093] ? down_read_killable+0x80/0x80 [ 52.494547][ T5089] ? d_delete_notify+0x150/0x150 [ 52.500881][ T5093] ? do_raw_spin_unlock+0x134/0x8a0 [ 52.504570][ T5092] RBP: 0000000000000000 R08: ffffffff81f81e7e R09: fffffbfff1d2ccee [ 52.511332][ T5093] ? bpf_lsm_inode_rmdir+0x5/0x10 [ 52.518102][ T5089] ? strncpy_from_user+0x1d6/0x330 [ 52.524456][ T5093] ? security_inode_rmdir+0xfa/0x130 [ 52.528401][ T5089] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 52.534875][ T5093] vfs_rmdir+0x358/0x4b0 [ 52.539822][ T5092] R10: fffffbfff1d2ccee R11: 1ffffffff1d2cced R12: ffff888077c8ba58 [ 52.545290][ T5093] do_rmdir+0x37f/0x5f0 [ 52.552192][ T5089] __x64_sys_unlinkat+0xdc/0xf0 [ 52.557570][ T5093] ? d_delete_notify+0x150/0x150 [ 52.567054][ T5092] R13: dffffc0000000000 R14: ffff888077c8ba10 R15: dffffc0000000000 [ 52.568744][ T5093] ? strncpy_from_user+0x1d6/0x330 [ 52.580407][ T5089] do_syscall_64+0x3d/0xb0 [ 52.582049][ T5093] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 52.585201][ T5089] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.592882][ T5093] __x64_sys_unlinkat+0xdc/0xf0 [ 52.597898][ T5089] RIP: 0033:0x7fde7755b4a9 [ 52.603868][ T5093] do_syscall_64+0x3d/0xb0 [ 52.607098][ T5092] FS: 00007fde6f4de700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 52.612830][ T5093] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.620673][ T5089] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.628020][ T5093] RIP: 0033:0x7fde7755b4a9 [ 52.646421][ T5092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.652362][ T5093] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.657597][ T5092] CR2: 000055e24d80b078 CR3: 0000000029de5000 CR4: 00000000003506f0 [ 52.679379][ T5093] RSP: 002b:00007fde6f4de208 EFLAGS: 00000246 [ 52.686514][ T5089] RSP: 002b:00007fde6f4de208 EFLAGS: 00000246 [ 52.687848][ T5093] ORIG_RAX: 0000000000000107 [ 52.703770][ T5089] ORIG_RAX: 0000000000000107 [ 52.705338][ T5093] RAX: ffffffffffffffda RBX: 000000000000003f RCX: 00007fde7755b4a9 [ 52.708735][ T5089] RAX: ffffffffffffffda RBX: 000000000000003f RCX: 00007fde7755b4a9 [ 52.718697][ T5093] RDX: 0000000000000200 RSI: 00000000200001c0 RDI: 0000000000000004 [ 52.733570][ T5092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.734908][ T5093] RBP: 00007fde775d96d0 R08: 00007fde775d96d8 R09: 00007fde775d96d8 [ 52.741884][ T5089] RDX: 0000000000000200 RSI: 00000000200001c0 RDI: 0000000000000004 [ 52.751845][ T5093] R10: 00007fde775d96d8 R11: 0000000000000246 R12: 00007fde775d96dc [ 52.758572][ T5092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.767946][ T5093] R13: 00007fffba5443af R14: 00007fde6f4de300 R15: 0000000000022000 [ 52.774772][ T5089] RBP: 00007fde775d96d0 R08: 00007fde775d96d8 R09: 00007fde775d96d8 [ 52.785739][ T5093] [ 52.791806][ T5092] Call Trace: [ 52.796586][ T5093] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 52.796598][ T5093] CPU: 1 PID: 5093 Comm: syz-executor136 Not tainted 6.2.0-rc1-syzkaller #0 [ 52.796617][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.796627][ T5093] Call Trace: [ 52.796633][ T5093] [ 52.796640][ T5093] dump_stack_lvl+0x1b1/0x290 [ 52.796673][ T5093] ? nf_tcp_handle_invalid+0x630/0x630 [ 52.796696][ T5093] ? panic+0x710/0x710 [ 52.796722][ T5093] ? vscnprintf+0x59/0x80 [ 52.796740][ T5093] ? __destroy_inode+0x5a0/0x5e0 [ 52.796758][ T5093] panic+0x2d6/0x710 [ 52.796778][ T5093] ? __warn+0x16d/0x2d0 [ 52.796799][ T5093] ? memcpy_page_flushcache+0x100/0x100 [ 52.796833][ T5093] ? drop_nlink+0xb9/0x100 [ 52.796850][ T5093] __warn+0x284/0x2d0 [ 52.796870][ T5093] ? drop_nlink+0xb9/0x100 [ 52.796888][ T5093] report_bug+0x1b3/0x2d0 [ 52.796919][ T5093] handle_bug+0x3d/0x70 [ 52.796940][ T5093] exc_invalid_op+0x16/0x40 [ 52.796966][ T5093] asm_exc_invalid_op+0x16/0x20 [ 52.796993][ T5093] RIP: 0010:drop_nlink+0xb9/0x100 [ 52.797011][ T5093] Code: 49 8b 1e 48 8d bb c0 07 00 00 be 08 00 00 00 e8 1d 66 e9 ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 77 bc 93 ff <0f> 0b eb 8a 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 63 ff ff ff 4c [ 52.797024][ T5093] RSP: 0018:ffffc90003dffc30 EFLAGS: 00010293 [ 52.797041][ T5093] RAX: ffffffff81f81ef9 RBX: 1ffff1100ef919a9 RCX: ffff88801dbb3a80 [ 52.797054][ T5093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.797064][ T5093] RBP: 0000000000000000 R08: ffffffff81f81e7e R09: fffffbfff1d2ccee [ 52.797075][ T5093] R10: fffffbfff1d2ccee R11: 1ffffffff1d2cced R12: ffff888077c8cd48 [ 52.797087][ T5093] R13: dffffc0000000000 R14: ffff888077c8cd00 R15: dffffc0000000000 [ 52.797108][ T5093] ? drop_nlink+0x3e/0x100 [ 52.797122][ T5093] ? drop_nlink+0xb9/0x100 [ 52.797150][ T5093] vfat_rmdir+0x2e8/0x490 [ 52.797178][ T5093] ? vfat_mkdir+0x340/0x340 [ 52.797200][ T5093] ? down_write+0x1a5/0x270 [ 52.797224][ T5093] ? down_read_killable+0x80/0x80 [ 52.797246][ T5093] ? do_raw_spin_unlock+0x134/0x8a0 [ 52.797271][ T5093] ? bpf_lsm_inode_rmdir+0x5/0x10 [ 52.797293][ T5093] ? security_inode_rmdir+0xfa/0x130 [ 52.797321][ T5093] vfs_rmdir+0x358/0x4b0 [ 52.797351][ T5093] do_rmdir+0x37f/0x5f0 [ 52.797378][ T5093] ? d_delete_notify+0x150/0x150 [ 52.797403][ T5093] ? strncpy_from_user+0x1d6/0x330 [ 52.797430][ T5093] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 52.797452][ T5093] __x64_sys_unlinkat+0xdc/0xf0 [ 52.797471][ T5093] do_syscall_64+0x3d/0xb0 [ 52.797494][ T5093] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.797514][ T5093] RIP: 0033:0x7fde7755b4a9 [ 52.797528][ T5093] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.797541][ T5093] RSP: 002b:00007fde6f4de208 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 [ 52.797558][ T5093] RAX: ffffffffffffffda RBX: 000000000000003f RCX: 00007fde7755b4a9 [ 52.797570][ T5093] RDX: 0000000000000200 RSI: 00000000200001c0 RDI: 0000000000000004 [ 52.797581][ T5093] RBP: 00007fde775d96d0 R08: 00007fde775d96d8 R09: 00007fde775d96d8 [ 52.797592][ T5093] R10: 00007fde775d96d8 R11: 0000000000000246 R12: 00007fde775d96dc [ 52.797604][ T5093] R13: 00007fffba5443af R14: 00007fde6f4de300 R15: 0000000000022000 [ 52.797634][ T5093] [ 52.798250][ T5093] Kernel Offset: disabled [ 53.133439][ T5093] Rebooting in 86400 seconds..