./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor619469666 <...> Warning: Permanently added '10.128.1.82' (ED25519) to the list of known hosts. execve("./syz-executor619469666", ["./syz-executor619469666"], 0x7ffd89e4f920 /* 10 vars */) = 0 brk(NULL) = 0x55557c6d6000 brk(0x55557c6d6e00) = 0x55557c6d6e00 arch_prctl(ARCH_SET_FS, 0x55557c6d6480) = 0 set_tid_address(0x55557c6d6750) = 5820 set_robust_list(0x55557c6d6760, 24) = 0 rseq(0x55557c6d6da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor619469666", 4096) = 27 getrandom("\xfa\x83\x9c\x1f\xe8\xed\x31\x5f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557c6d6e00 brk(0x55557c6f7e00) = 0x55557c6f7e00 brk(0x55557c6f8000) = 0x55557c6f8000 mprotect(0x7f81627b8000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5821 attached , child_tidptr=0x55557c6d6750) = 5821 [pid 5821] set_robust_list(0x55557c6d6760, 24) = 0 [pid 5820] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "10000000000", 11) = 11 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "20", 2) = 2 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "0", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "0", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "100", 3) = 3 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "0", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "0", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "7 4 1 3", 7) = 7 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "0", 1) = 1 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "5821", 4) = 4 [pid 5820] close(3) = 0 [pid 5820] kill(5821, SIGKILL) = 0 [pid 5821] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5821, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=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=864, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5820}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x30\x00\x00\x00\xe8\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) = 864 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5820}, {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 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=5820}, {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=5820}, {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=5820}, {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=5820}, {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=5820}, {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=0x7f81626f6110, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f81626fed40}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f81626f6110, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f81626fed40}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c6d6750) = 5823 ./strace-static-x86_64: Process 5823 attached [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] set_robust_list(0x55557c6d6760, 24) = 0 ./strace-static-x86_64: Process 5825 attached [pid 5823] mkdir("./syzkaller.p0iyQI", 0700 [pid 5820] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5825 [pid 5825] set_robust_list(0x55557c6d6760, 24 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5826 attached [pid 5825] mkdir("./syzkaller.7aW5u8", 0700 [pid 5823] <... mkdir resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5826 [pid 5826] set_robust_list(0x55557c6d6760, 24) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] mkdir("./syzkaller.UxrXfG", 0700 [pid 5825] <... mkdir resumed>) = 0 [pid 5825] chmod("./syzkaller.7aW5u8", 0777 [pid 5823] chmod("./syzkaller.p0iyQI", 0777./strace-static-x86_64: Process 5827 attached [pid 5825] <... chmod resumed>) = 0 [pid 5823] <... chmod resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5827 [pid 5825] chdir("./syzkaller.7aW5u8" [pid 5827] set_robust_list(0x55557c6d6760, 24 [pid 5825] <... chdir resumed>) = 0 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5826] <... mkdir resumed>) = 0 [pid 5825] mkdir("./0", 0777 [pid 5823] chdir("./syzkaller.p0iyQI" [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] mkdir("./syzkaller.euuMPG", 0700 [pid 5823] <... chdir resumed>) = 0 [pid 5826] chmod("./syzkaller.UxrXfG", 0777 [pid 5823] mkdir("./0", 0777./strace-static-x86_64: Process 5828 attached [pid 5826] <... chmod resumed>) = 0 [pid 5825] <... mkdir resumed>) = 0 [pid 5823] <... mkdir resumed>) = 0 [pid 5827] <... mkdir resumed>) = 0 [pid 5826] chdir("./syzkaller.UxrXfG" [pid 5820] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5828 [pid 5828] set_robust_list(0x55557c6d6760, 24 [pid 5825] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5828] <... set_robust_list resumed>) = 0 [pid 5827] chmod("./syzkaller.euuMPG", 0777 [pid 5826] <... chdir resumed>) = 0 [pid 5825] <... openat resumed>) = 3 [pid 5826] mkdir("./0", 0777 [pid 5828] mkdir("./syzkaller.F7Ajqz", 0700 [pid 5827] <... chmod resumed>) = 0 [pid 5826] <... mkdir resumed>) = 0 [pid 5825] ioctl(3, LOOP_CLR_FD [pid 5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5827] chdir("./syzkaller.euuMPG" [pid 5828] <... mkdir resumed>) = 0 [pid 5823] <... openat resumed>) = 3 [pid 5825] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5827] <... chdir resumed>) = 0 [pid 5828] chmod("./syzkaller.F7Ajqz", 0777 [pid 5825] close(3 [pid 5827] mkdir("./0", 0777 [pid 5826] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5823] ioctl(3, LOOP_CLR_FD [pid 5826] <... openat resumed>) = 3 [pid 5823] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5823] close(3 [pid 5825] <... close resumed>) = 0 [pid 5823] <... close resumed>) = 0 [pid 5828] <... chmod resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5823] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] close(3) = 0 ./strace-static-x86_64: Process 5829 attached [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] set_robust_list(0x55557c6d6760, 24) = 0 [pid 5829] chdir("./0") = 0 [pid 5828] chdir("./syzkaller.F7Ajqz"./strace-static-x86_64: Process 5830 attached ./strace-static-x86_64: Process 5831 attached [pid 5830] set_robust_list(0x55557c6d6760, 24 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] <... chdir resumed>) = 0 [pid 5827] <... mkdir resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5831 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] <... prctl resumed>) = 0 [pid 5831] set_robust_list(0x55557c6d6760, 24 [pid 5830] chdir("./0" [pid 5829] setpgid(0, 0 [pid 5828] mkdir("./0", 0777 [pid 5827] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5823] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5829 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... chdir resumed>) = 0 [pid 5829] <... setpgid resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5830 [pid 5831] chdir("./0" [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] <... mkdir resumed>) = 0 [pid 5827] <... openat resumed>) = 3 [pid 5831] <... chdir resumed>) = 0 [pid 5830] <... prctl resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5827] ioctl(3, LOOP_CLR_FD [pid 5830] setpgid(0, 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... setpgid resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5828] <... openat resumed>) = 3 [pid 5827] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] <... prctl resumed>) = 0 [pid 5831] setpgid(0, 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] write(3, "1000", 4 [pid 5828] ioctl(3, LOOP_CLR_FD [pid 5827] close(3 [pid 5831] <... setpgid resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... openat resumed>) = 3 [pid 5829] <... write resumed>) = 4 [pid 5828] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5827] <... close resumed>) = 0 [pid 5830] write(3, "1000", 4 [pid 5829] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... write resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 5828] close(3 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] close(3 [pid 5831] write(3, "1000", 4 [pid 5829] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5832 attached [pid 5831] <... write resumed>) = 4 [pid 5830] <... close resumed>) = 0 [pid 5829] <... symlink resumed>) = 0 [pid 5828] <... close resumed>) = 0 [pid 5830] symlink("/dev/binderfs", "./binderfs" [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5832 [pid 5831] close(3) = 0 [pid 5830] <... symlink resumed>) = 0 [pid 5831] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5829] write(1, "executing program\n", 18 [pid 5832] set_robust_list(0x55557c6d6760, 24executing program executing program [pid 5829] <... write resumed>) = 18 [pid 5831] write(1, "executing program\n", 18 [pid 5829] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... write resumed>) = 18 [pid 5829] <... futex resumed>) = 0 [pid 5831] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, [pid 5831] <... futex resumed>) = 0 [pid 5829] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, [pid 5829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... mmap resumed>) = 0x7f81626c5000 [pid 5829] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... mprotect resumed>) = 0 [pid 5831] <... mmap resumed>) = 0x7f81626c5000 [pid 5829] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE) = 0 executing program ./strace-static-x86_64: Process 5833 attached [pid 5832] <... set_robust_list resumed>) = 0 [pid 5830] write(1, "executing program\n", 18 [pid 5832] chdir("./0" [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] <... write resumed>) = 18 [pid 5829] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5833 [pid 5832] <... chdir resumed>) = 0 [pid 5830] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... futex resumed>) = 0 [pid 5832] <... prctl resumed>) = 0 [pid 5830] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, [pid 5833] set_robust_list(0x55557c6d6760, 24 [pid 5832] setpgid(0, 0 [pid 5831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0} [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] <... setpgid resumed>) = 0 [pid 5831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0} [pid 5830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5835 attached ./strace-static-x86_64: Process 5834 attached [pid 5833] chdir("./0" [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... clone3 resumed> => {parent_tid=[5834]}, 88) = 5834 [pid 5835] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053 [pid 5834] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053 [pid 5833] <... chdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... clone3 resumed> => {parent_tid=[5835]}, 88) = 5835 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] <... rseq resumed>) = 0 [pid 5834] <... rseq resumed>) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... openat resumed>) = 3 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... mmap resumed>) = 0x7f81626c5000 [pid 5829] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] set_robust_list(0x7f81626e59a0, 24 [pid 5834] set_robust_list(0x7f81626e59a0, 24 [pid 5833] <... prctl resumed>) = 0 [pid 5832] write(3, "1000", 4 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] setpgid(0, 0 [pid 5832] <... write resumed>) = 4 [pid 5831] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... mprotect resumed>) = 0 [pid 5829] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... setpgid resumed>) = 0 [pid 5832] close(3 [pid 5831] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... close resumed>) = 0 [pid 5831] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5835] memfd_create("syzkaller", 0) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] write(3, "1000", 4 [pid 5835] <... mmap resumed>) = 0x7f815a200000 [pid 5833] <... write resumed>) = 4 [pid 5834] memfd_create("syzkaller", 0 [pid 5833] close(3 [pid 5832] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5834] <... memfd_create resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5833] symlink("/dev/binderfs", "./binderfs" [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... symlink resumed>) = 0 [pid 5832] <... symlink resumed>) = 0 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0} [pid 5834] <... mmap resumed>) = 0x7f815a200000 [pid 5832] write(1, "executing program\n", 18executing program [pid 5833] write(1, "executing program\n", 18) = 18 [pid 5833] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5833] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, NULL, 8) = 0 [pid 5833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f81626c5000 [pid 5833] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0}./strace-static-x86_64: Process 5836 attached => {parent_tid=[5836]}, 88) = 5836 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5833] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5833] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053) = 0 executing program ./strace-static-x86_64: Process 5837 attached [pid 5836] set_robust_list(0x7f81626e59a0, 24 [pid 5832] <... write resumed>) = 18 [pid 5837] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053 [pid 5832] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... clone3 resumed> => {parent_tid=[5837]}, 88) = 5837 [pid 5837] <... rseq resumed>) = 0 [pid 5832] <... futex resumed>) = 0 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] set_robust_list(0x7f81626e59a0, 24 [pid 5832] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5832] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] <... futex resumed>) = 0 [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] memfd_create("syzkaller", 0 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] <... memfd_create resumed>) = 3 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... mmap resumed>) = 0x7f81626c5000 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... mmap resumed>) = 0x7f815a200000 [pid 5836] memfd_create("syzkaller", 0) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... mprotect resumed>) = 0 [pid 5836] <... mmap resumed>) = 0x7f815a200000 [pid 5832] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0} => {parent_tid=[5838]}, 88) = 5838 ./strace-static-x86_64: Process 5838 attached [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053 [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... rseq resumed>) = 0 [pid 5832] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] set_robust_list(0x7f81626e59a0, 24 [pid 5832] <... futex resumed>) = 0 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5832] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5838] memfd_create("syzkaller", 0) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f815a200000 [pid 5837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5835] <... write resumed>) = 16777216 [pid 5834] <... write resumed>) = 16777216 [pid 5835] munmap(0x7f815a200000, 138412032 [pid 5834] munmap(0x7f815a200000, 138412032 [pid 5837] <... write resumed>) = 16777216 [pid 5837] munmap(0x7f815a200000, 138412032 [pid 5835] <... munmap resumed>) = 0 [pid 5834] <... munmap resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] <... openat resumed>) = 4 [pid 5834] <... openat resumed>) = 4 [pid 5837] <... munmap resumed>) = 0 [pid 5835] ioctl(4, LOOP_SET_FD, 3 [pid 5834] ioctl(4, LOOP_SET_FD, 3 [pid 5837] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] <... ioctl resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5838] <... write resumed>) = 16777216 [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5834] close(3) = 0 [pid 5834] close(4) = 0 [pid 5834] mkdir("./file0", 0777) = 0 [pid 5834] mount("/dev/loop0", "./file0", "jfs", MS_LAZYTIME, "" [pid 5837] <... ioctl resumed>) = 0 [pid 5837] close(3) = 0 [pid 5837] close(4) = 0 [pid 5837] mkdir("./file0", 0777 [pid 5835] <... ioctl resumed>) = 0 [pid 5835] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5837] mount("/dev/loop2", "./file0", "jfs", MS_LAZYTIME, "" [pid 5836] <... write resumed>) = 16777216 [pid 5835] close(4 [pid 5838] munmap(0x7f815a200000, 138412032 [pid 5835] <... close resumed>) = 0 [ 58.724341][ T5834] loop0: detected capacity change from 0 to 32768 [ 58.732426][ T5835] loop1: detected capacity change from 0 to 32768 [ 58.739547][ T5837] loop2: detected capacity change from 0 to 32768 [pid 5835] mkdir("./file0", 0777 [pid 5836] munmap(0x7f815a200000, 138412032 [pid 5835] <... mkdir resumed>) = 0 [pid 5835] mount("/dev/loop1", "./file0", "jfs", MS_LAZYTIME, "" [pid 5837] <... mount resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5837] chdir("./file0") = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5838] <... munmap resumed>) = 0 [pid 5837] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] <... munmap resumed>) = 0 [pid 5837] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... futex resumed>) = 1 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... futex resumed>) = 0 [pid 5837] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] <... openat resumed>) = 4 [pid 5836] <... openat resumed>) = 4 [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5830] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] ioctl(4, LOOP_SET_FD, 3 [ 58.775896][ T5834] [ 58.775896][ T5834] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.775896][ T5834] [ 58.798086][ T5837] [ 58.798086][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.798086][ T5837] [ 58.799963][ T5835] [ 58.799963][ T5835] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.799963][ T5835] [pid 5836] ioctl(4, LOOP_SET_FD, 3 [pid 5834] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... futex resumed>) = 0 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] truncate("./file1", 24066 [pid 5836] <... ioctl resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5834] chdir("./file0" [pid 5835] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] <... chdir resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] chdir("./file0") = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5834] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = 1 [pid 5835] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] <... futex resumed>) = 1 [pid 5834] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [ 58.845383][ T5836] loop4: detected capacity change from 0 to 32768 [ 58.852151][ T5837] [ 58.852151][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.852151][ T5837] [ 58.852575][ T5838] loop3: detected capacity change from 0 to 32768 [ 58.864028][ T5837] [ 58.864028][ T5837] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.864028][ T5837] [ 58.892464][ T115] [pid 5836] close(3 [pid 5838] close(3 [pid 5837] <... truncate resumed>) = 0 [pid 5831] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = 0 [pid 5837] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = 1 [pid 5829] <... futex resumed>) = 1 [pid 5838] close(4 [pid 5837] <... futex resumed>) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5834] truncate("./file1", 24066 [pid 5831] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... close resumed>) = 0 [pid 5837] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] mkdir("./file0", 0777 [pid 5835] truncate("./file1", 24066 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5836] close(4 [pid 5830] exit_group(0 [pid 5836] <... close resumed>) = 0 [pid 5830] <... exit_group resumed>) = ? [pid 5836] mkdir("./file0", 0777) = 0 [pid 5836] mount("/dev/loop4", "./file0", "jfs", MS_LAZYTIME, "" [pid 5837] <... futex resumed>) = ? [pid 5838] mount("/dev/loop3", "./file0", "jfs", MS_LAZYTIME, "" [pid 5837] +++ exited with 0 +++ [pid 5830] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- [ 58.892464][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.892464][ T115] [ 58.905518][ T5834] [ 58.905518][ T5834] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.905518][ T5834] [ 58.905943][ T5835] [ 58.905943][ T5835] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.905943][ T5835] [ 58.917628][ T5834] [ 58.917628][ T5834] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.917628][ T5834] [pid 5838] <... mount resumed>) = 0 [pid 5835] <... truncate resumed>) = 0 [pid 5834] <... truncate resumed>) = 0 [pid 5831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] exit_group(0 [pid 5829] exit_group(0 [pid 5838] <... openat resumed>) = 3 [pid 5835] <... futex resumed>) = ? [pid 5834] <... futex resumed>) = ? [pid 5831] <... exit_group resumed>) = ? [pid 5829] <... exit_group resumed>) = ? [pid 5838] chdir("./file0" [pid 5835] +++ exited with 0 +++ [pid 5834] +++ exited with 0 +++ [pid 5831] +++ exited with 0 +++ [pid 5829] +++ exited with 0 +++ [pid 5826] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... chdir resumed>) = 0 [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=32 /* 0.32 s */} --- [pid 5823] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5838] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = 3 [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5823] restart_syscall(<... resuming interrupted clone ...> [pid 5838] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] newfstatat(3, "", [pid 5838] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 0 [pid 5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 58.946287][ T5838] [ 58.946287][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.946287][ T5838] [ 58.956367][ T5835] [ 58.956367][ T5835] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.956367][ T5835] [ 58.967757][ T115] [ 58.967757][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.967757][ T115] [ 58.980623][ T5836] [ 58.980623][ T5836] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.980623][ T5836] [ 58.993368][ T114] [pid 5826] getdents64(3, [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] <... getdents64 resumed>0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5838] truncate("./file1", 24066 [pid 5826] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... futex resumed>) = 0 [pid 5825] <... restart_syscall resumed>) = 0 [pid 5823] <... restart_syscall resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5832] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5826] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5836] <... openat resumed>) = 3 [pid 5826] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] chdir("./file0" [pid 5826] unlink("./0/binderfs" [pid 5836] <... chdir resumed>) = 0 [pid 5826] <... unlink resumed>) = 0 [pid 5825] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5825] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] <... openat resumed>) = 3 [pid 5823] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5825] newfstatat(3, "", [pid 5823] <... openat resumed>) = 3 [pid 5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5823] newfstatat(3, "", [pid 5825] getdents64(3, [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5825] <... getdents64 resumed>0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5823] getdents64(3, [pid 5825] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... getdents64 resumed>0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5825] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5825] unlink("./0/binderfs" [pid 5823] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5825] <... unlink resumed>) = 0 [pid 5823] unlink("./0/binderfs" [pid 5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... unlink resumed>) = 0 [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 58.993368][ T114] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.993368][ T114] [ 58.995628][ T5838] [ 58.995628][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 58.995628][ T5838] [ 59.023235][ T35] [ 59.023235][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.023235][ T35] [ 59.032261][ T5838] [ 59.032261][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.032261][ T5838] [ 59.043962][ T35] [pid 5836] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... truncate resumed>) = 0 [pid 5836] <... futex resumed>) = 1 [pid 5838] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5833] <... futex resumed>) = 0 [pid 5838] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5833] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] truncate("./file1", 24066 [pid 5832] <... futex resumed>) = 0 [ 59.043962][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.043962][ T35] [ 59.047390][ T12] [ 59.047390][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.047390][ T12] [ 59.055603][ T115] [ 59.055603][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.055603][ T115] [ 59.067817][ T12] [ 59.067817][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.067817][ T12] [ 59.078869][ T114] [ 59.078869][ T114] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.078869][ T114] [ 59.088990][ T5825] [ 59.088990][ T5825] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.088990][ T5825] [ 59.098196][ T5836] [ 59.098196][ T5836] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.098196][ T5836] [ 59.107757][ T12] [ 59.107757][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.107757][ T12] [ 59.119866][ T5836] [ 59.119866][ T5836] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.119866][ T5836] [ 59.128452][ T5826] [ 59.128452][ T5826] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5832] exit_group(0 [pid 5833] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... exit_group resumed>) = ? [pid 5838] <... futex resumed>) = ? [ 59.128452][ T5826] [ 59.151627][ T5826] [ 59.151627][ T5826] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.151627][ T5826] [ 59.152000][ T5825] [ 59.152000][ T5825] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.152000][ T5825] [ 59.164766][ T12] [ 59.164766][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.164766][ T12] [ 59.177142][ T114] [ 59.177142][ T114] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.177142][ T114] [ 59.183786][ T115] [pid 5838] +++ exited with 0 +++ [pid 5832] +++ exited with 0 +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=27 /* 0.27 s */} --- [pid 5827] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5827] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5827] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] getdents64(3, 0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5827] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5827] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] unlink("./0/binderfs") = 0 [pid 5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... truncate resumed>) = 0 [pid 5836] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] exit_group(0 [pid 5836] <... futex resumed>) = 0 [pid 5836] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... exit_group resumed>) = ? [pid 5836] <... futex resumed>) = ? [pid 5836] +++ exited with 0 +++ [pid 5833] +++ exited with 0 +++ [pid 5825] <... umount2 resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} --- [pid 5826] <... umount2 resumed>) = 0 [pid 5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5825] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5825] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5825] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5825] getdents64(4, 0x55557c6df830 /* 2 entries */, 32768) = 48 [pid 5825] getdents64(4, [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] newfstatat(AT_FDCWD, "./0/file0", [pid 5825] <... getdents64 resumed>0x55557c6df830 /* 0 entries */, 32768) = 0 [pid 5825] close(4 [pid 5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] <... close resumed>) = 0 [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] rmdir("./0/file0" [pid 5826] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5826] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 59.183786][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.183786][ T115] [ 59.205447][ T35] [ 59.205447][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.205447][ T35] [ 59.207413][ T5823] [ 59.207413][ T5823] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.207413][ T5823] [ 59.224618][ T35] [ 59.224618][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.224618][ T35] [ 59.231669][ T5823] [ 59.231669][ T5823] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.231669][ T5823] [pid 5826] getdents64(4, 0x55557c6df830 /* 2 entries */, 32768) = 48 [pid 5826] getdents64(4, [pid 5825] <... rmdir resumed>) = 0 [pid 5826] <... getdents64 resumed>0x55557c6df830 /* 0 entries */, 32768) = 0 [pid 5825] getdents64(3, 0x55557c6d77f0 /* 0 entries */, 32768) = 0 [pid 5825] close(3) = 0 [pid 5825] rmdir("./0") = 0 [pid 5825] mkdir("./1", 0777) = 0 [pid 5825] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5825] ioctl(3, LOOP_CLR_FD) = 0 [pid 5826] close(4 [pid 5825] close(3 [pid 5826] <... close resumed>) = 0 [pid 5828] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] rmdir("./0/file0" [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... rmdir resumed>) = 0 [pid 5828] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5826] getdents64(3, 0x55557c6d77f0 /* 0 entries */, 32768) = 0 [pid 5828] <... openat resumed>) = 3 [pid 5826] close(3 [pid 5828] newfstatat(3, "", [pid 5826] <... close resumed>) = 0 [ 59.255258][ T114] [ 59.255258][ T114] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.255258][ T114] [ 59.256805][ T115] [ 59.256805][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.256805][ T115] [ 59.277111][ T5827] [ 59.277111][ T5827] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.277111][ T5827] [pid 5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] rmdir("./0" [pid 5828] getdents64(3, [pid 5826] <... rmdir resumed>) = 0 [pid 5823] <... umount2 resumed>) = 0 [pid 5826] mkdir("./1", 0777 [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5828] <... getdents64 resumed>0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5826] <... mkdir resumed>) = 0 [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5828] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... openat resumed>) = 3 [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] newfstatat(AT_FDCWD, "./0/file0", [pid 5826] ioctl(3, LOOP_CLR_FD [pid 5828] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5826] <... ioctl resumed>) = 0 [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5828] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] close(3 [pid 5828] unlink("./0/binderfs" [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] <... umount2 resumed>) = 0 [pid 5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5827] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5827] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5827] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] getdents64(4, 0x55557c6df830 /* 2 entries */, 32768) = 48 [pid 5827] getdents64(4, 0x55557c6df830 /* 0 entries */, 32768) = 0 [pid 5827] close(4) = 0 [pid 5827] rmdir("./0/file0") = 0 [pid 5827] getdents64(3, 0x55557c6d77f0 /* 0 entries */, 32768) = 0 [pid 5827] close(3) = 0 [pid 5827] rmdir("./0") = 0 [pid 5827] mkdir("./1", 0777) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5827] ioctl(3, LOOP_CLR_FD) = 0 [pid 5827] close(3 [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5828] <... unlink resumed>) = 0 [pid 5823] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5823] newfstatat(4, "", [pid 5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 59.307138][ T5827] [ 59.307138][ T5827] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.307138][ T5827] [pid 5823] getdents64(4, 0x55557c6df830 /* 2 entries */, 32768) = 48 [pid 5823] getdents64(4, 0x55557c6df830 /* 0 entries */, 32768) = 0 [pid 5823] close(4) = 0 [pid 5823] rmdir("./0/file0") = 0 [pid 5823] getdents64(3, 0x55557c6d77f0 /* 0 entries */, 32768) = 0 [pid 5823] close(3) = 0 [pid 5823] rmdir("./0") = 0 [pid 5823] mkdir("./1", 0777) = 0 [pid 5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5823] ioctl(3, LOOP_CLR_FD) = 0 [ 59.371981][ T12] [ 59.371981][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.371981][ T12] [ 59.411008][ T12] [ 59.411008][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.411008][ T12] [pid 5823] close(3 [pid 5825] <... close resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c6d6750) = 5840 ./strace-static-x86_64: Process 5840 attached executing program [pid 5840] set_robust_list(0x55557c6d6760, 24) = 0 [pid 5840] chdir("./1") = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] setpgid(0, 0) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1000", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5840] write(1, "executing program\n", 18) = 18 [pid 5840] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5840] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, NULL, 8) = 0 [pid 5840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f81626c5000 [pid 5840] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0}./strace-static-x86_64: Process 5841 attached => {parent_tid=[5841]}, 88) = 5841 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5840] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5840] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053) = 0 [pid 5841] set_robust_list(0x7f81626e59a0, 24) = 0 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5841] memfd_create("syzkaller", 0) = 3 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f815a200000 [ 59.453365][ T115] [ 59.453365][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.453365][ T115] [ 59.491787][ T5828] [ 59.491787][ T5828] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.491787][ T5828] [pid 5826] <... close resumed>) = 0 [pid 5827] <... close resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached , child_tidptr=0x55557c6d6750) = 5843 [pid 5843] set_robust_list(0x55557c6d6760, 24 [pid 5828] <... umount2 resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... set_robust_list resumed>) = 0 [pid 5843] chdir("./1"./strace-static-x86_64: Process 5844 attached ) = 0 [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] set_robust_list(0x55557c6d6760, 24 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [ 59.523215][ T5828] [ 59.523215][ T5828] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 59.523215][ T5828] [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... prctl resumed>) = 0 [pid 5828] newfstatat(AT_FDCWD, "./0/file0", [pid 5827] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5844 [pid 5844] chdir("./1" [pid 5843] setpgid(0, 0 [pid 5844] <... chdir resumed>) = 0 [pid 5843] <... setpgid resumed>) = 0 [pid 5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... prctl resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] setpgid(0, 0 [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... setpgid resumed>) = 0 [pid 5828] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "1000", 4) = 4 [pid 5843] close(3 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5828] <... openat resumed>) = 4 executing program [pid 5844] write(3, "1000", 4 [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5828] newfstatat(4, "", [pid 5844] <... write resumed>) = 4 [pid 5843] <... symlink resumed>) = 0 [pid 5844] close(3 [pid 5843] write(1, "executing program\n", 18 [pid 5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... close resumed>) = 0 [pid 5843] <... write resumed>) = 18 [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5843] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] getdents64(4, [pid 5843] <... futex resumed>) = 0 executing program [pid 5844] <... symlink resumed>) = 0 [pid 5843] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, [pid 5828] <... getdents64 resumed>0x55557c6df830 /* 2 entries */, 32768) = 48 [pid 5844] write(1, "executing program\n", 18 [pid 5828] getdents64(4, [pid 5844] <... write resumed>) = 18 [pid 5828] <... getdents64 resumed>0x55557c6df830 /* 0 entries */, 32768) = 0 [pid 5844] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5828] close(4 [pid 5844] <... futex resumed>) = 0 [pid 5843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5844] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] <... close resumed>) = 0 [pid 5844] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5843] <... mmap resumed>) = 0x7f81626c5000 [pid 5828] rmdir("./0/file0" [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE [pid 5823] <... close resumed>) = 0 [pid 5844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] <... mprotect resumed>) = 0 [pid 5844] <... mmap resumed>) = 0x7f81626c5000 [pid 5844] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5828] <... rmdir resumed>) = 0 [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5828] getdents64(3, [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5828] <... getdents64 resumed>0x55557c6d77f0 /* 0 entries */, 32768) = 0 [pid 5823] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0} [pid 5843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0} => {parent_tid=[5845]}, 88) = 5845 ./strace-static-x86_64: Process 5846 attached ./strace-static-x86_64: Process 5845 attached [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053 [pid 5845] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053 [pid 5844] <... clone3 resumed> => {parent_tid=[5846]}, 88) = 5846 [pid 5846] <... rseq resumed>) = 0 [pid 5845] <... rseq resumed>) = 0 [pid 5846] set_robust_list(0x7f81626e59a0, 24 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] set_robust_list(0x7f81626e59a0, 24 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5847 attached [pid 5846] memfd_create("syzkaller", 0 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] close(3 [pid 5846] <... memfd_create resumed>) = 3 [pid 5845] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5847] set_robust_list(0x55557c6d6760, 24 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5843] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... close resumed>) = 0 [pid 5823] <... clone resumed>, child_tidptr=0x55557c6d6750) = 5847 [pid 5847] chdir("./1" [pid 5846] <... mmap resumed>) = 0x7f815a200000 [pid 5847] <... chdir resumed>) = 0 [pid 5843] <... futex resumed>) = 1 [pid 5828] rmdir("./0" [pid 5843] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5828] <... rmdir resumed>) = 0 [pid 5828] mkdir("./1", 0777) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] <... prctl resumed>) = 0 [pid 5847] setpgid(0, 0 [pid 5845] memfd_create("syzkaller", 0 [pid 5828] <... openat resumed>) = 3 [pid 5847] <... setpgid resumed>) = 0 [pid 5845] <... memfd_create resumed>) = 3 [pid 5828] ioctl(3, LOOP_CLR_FD [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5828] <... ioctl resumed>) = 0 [pid 5847] <... openat resumed>) = 3 [pid 5828] close(3 [pid 5847] write(3, "1000", 4 [pid 5845] <... mmap resumed>) = 0x7f815a200000 [pid 5847] <... write resumed>) = 4 [pid 5847] close(3) = 0 [pid 5847] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5847] write(1, "executing program\n", 18) = 18 [pid 5847] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, NULL, 8) = 0 [pid 5847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f81626c5000 [pid 5847] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0} => {parent_tid=[5848]}, 88) = 5848 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5848 attached [pid 5848] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053) = 0 [pid 5848] set_robust_list(0x7f81626e59a0, 24) = 0 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5847] <... futex resumed>) = 1 [pid 5848] memfd_create("syzkaller", 0 [pid 5847] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5848] <... memfd_create resumed>) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f815a200000 [pid 5841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5828] <... close resumed>) = 0 [pid 5845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached , child_tidptr=0x55557c6d6750) = 5849 [pid 5849] set_robust_list(0x55557c6d6760, 24) = 0 [pid 5849] chdir("./1") = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] setpgid(0, 0) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1000", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5849] write(1, "executing program\n", 18) = 18 [pid 5849] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5849] rt_sigaction(SIGRT_1, {sa_handler=0x7f816275e670, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f81626fed40}, NULL, 8) = 0 [pid 5849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f81626c5000 [pid 5849] mprotect(0x7f81626c6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f81626e5990, parent_tid=0x7f81626e5990, exit_signal=0, stack=0x7f81626c5000, stack_size=0x20240, tls=0x7f81626e56c0}./strace-static-x86_64: Process 5850 attached [pid 5850] rseq(0x7f81626e5fe0, 0x20, 0, 0x53053053) = 0 [pid 5850] set_robust_list(0x7f81626e59a0, 24) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5850] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] <... clone3 resumed> => {parent_tid=[5850]}, 88) = 5850 [pid 5849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5849] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = 0 [pid 5849] <... futex resumed>) = 1 [pid 5850] memfd_create("syzkaller", 0 [pid 5849] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5850] <... memfd_create resumed>) = 3 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f815a200000 [pid 5848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5846] <... write resumed>) = 16777216 [pid 5841] <... write resumed>) = 16777216 [pid 5846] munmap(0x7f815a200000, 138412032 [pid 5845] <... write resumed>) = 16777216 [pid 5841] munmap(0x7f815a200000, 138412032 [pid 5845] munmap(0x7f815a200000, 138412032 [pid 5841] <... munmap resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5841] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... munmap resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5846] ioctl(4, LOOP_SET_FD, 3 [pid 5845] <... munmap resumed>) = 0 [pid 5841] <... ioctl resumed>) = 0 [pid 5841] close(3) = 0 [pid 5841] close(4 [pid 5845] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5841] <... close resumed>) = 0 [pid 5841] mkdir("./file0", 0777) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5841] mount("/dev/loop1", "./file0", "jfs", MS_LAZYTIME, "" [pid 5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5846] close(3 [pid 5845] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... close resumed>) = 0 [pid 5846] close(4) = 0 [pid 5846] mkdir("./file0", 0777) = 0 [pid 5846] mount("/dev/loop3", "./file0", "jfs", MS_LAZYTIME, "" [pid 5845] <... ioctl resumed>) = 0 [ 60.167352][ T5841] loop1: detected capacity change from 0 to 32768 [ 60.183232][ T5846] loop3: detected capacity change from 0 to 32768 [ 60.199713][ T5841] [ 60.199713][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.199713][ T5841] [ 60.210887][ T5845] loop2: detected capacity change from 0 to 32768 [pid 5841] <... mount resumed>) = 0 [pid 5845] close(3 [pid 5841] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5841] chdir("./file0") = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5840] <... futex resumed>) = 0 [pid 5841] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] <... futex resumed>) = 0 [pid 5841] truncate("./file1", 24066 [pid 5840] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... close resumed>) = 0 [pid 5845] close(4) = 0 [pid 5845] mkdir("./file0", 0777 [pid 5846] <... mount resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5845] <... mkdir resumed>) = 0 [pid 5846] chdir("./file0") = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] mount("/dev/loop2", "./file0", "jfs", MS_LAZYTIME, "" [pid 5846] <... futex resumed>) = 1 [pid 5846] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] <... futex resumed>) = 0 [pid 5844] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5844] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 60.229191][ T5846] [ 60.229191][ T5846] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.229191][ T5846] [ 60.248755][ T5841] [ 60.248755][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.248755][ T5841] [pid 5846] truncate("./file1", 24066 [pid 5840] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5846] <... truncate resumed>) = 0 [pid 5846] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] exit_group(0 [pid 5846] <... futex resumed>) = ? [pid 5844] <... exit_group resumed>) = ? [ 60.304675][ T5846] [ 60.304675][ T5846] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.304675][ T5846] [ 60.309595][ T5841] [ 60.309595][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.309595][ T5841] [ 60.323298][ T5846] [ 60.323298][ T5846] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.323298][ T5846] [pid 5841] <... truncate resumed>) = 0 [pid 5841] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5841] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] exit_group(0 [pid 5841] <... futex resumed>) = ? [pid 5840] <... exit_group resumed>) = ? [pid 5841] +++ exited with 0 +++ [pid 5846] +++ exited with 0 +++ [pid 5844] +++ exited with 0 +++ [pid 5840] +++ exited with 0 +++ [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=24 /* 0.24 s */} --- [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=25 /* 0.25 s */} --- [pid 5825] <... restart_syscall resumed>) = 0 [pid 5827] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5827] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5827] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] getdents64(3, 0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5827] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5827] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] unlink("./1/binderfs") = 0 [ 60.357839][ T114] [ 60.357839][ T114] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.357839][ T114] [ 60.363784][ T115] [ 60.363784][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.363784][ T115] [ 60.372012][ T5845] [ 60.372012][ T5845] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.372012][ T5845] [pid 5827] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... mount resumed>) = 0 [pid 5825] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5825] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... openat resumed>) = 3 [pid 5845] chdir("./file0" [pid 5825] <... openat resumed>) = 3 [pid 5845] <... chdir resumed>) = 0 [pid 5825] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5825] getdents64(3, [pid 5845] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5825] <... getdents64 resumed>0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5845] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5825] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5825] unlink("./1/binderfs" [pid 5843] <... futex resumed>) = 0 [pid 5825] <... unlink resumed>) = 0 [pid 5843] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... futex resumed>) = 0 [pid 5843] <... futex resumed>) = 1 [pid 5845] truncate("./file1", 24066 [pid 5843] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] <... write resumed>) = 16777216 [ 60.406240][ T12] [ 60.406240][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.406240][ T12] [ 60.426804][ T12] [ 60.426804][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.426804][ T12] [ 60.436731][ T5845] [ 60.436731][ T5845] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.436731][ T5845] [ 60.443561][ T5827] [ 60.443561][ T5827] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.443561][ T5827] [ 60.458431][ T3604] [ 60.458431][ T3604] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.458431][ T3604] [ 60.459351][ T5827] [ 60.459351][ T5827] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.459351][ T5827] [ 60.479539][ T5845] [ 60.479539][ T5845] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.479539][ T5845] [ 60.493031][ T3604] [ 60.493031][ T3604] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.493031][ T3604] [ 60.498228][ T114] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI [ 60.504685][ T5848] loop0: detected capacity change from 0 to 32768 [ 60.515995][ T114] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 60.516026][ T114] CPU: 1 UID: 0 PID: 114 Comm: jfsCommit Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0 [ 60.516047][ T114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 60.533061][ T115] [ 60.533061][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.533061][ T115] [ 60.541382][ T114] RIP: 0010:lmLogSync+0x130/0xae0 [ 60.566836][ T114] Code: a0 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 7e 7b d0 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 61 7b d0 fe 48 8b 3b e8 39 e6 a0 [ 60.586434][ T114] RSP: 0018:ffffc90002917c00 EFLAGS: 00010206 [ 60.592494][ T114] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88801e721e00 [ 60.600460][ T114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.608428][ T114] RBP: ffffc90002917d18 R08: ffffffff81d79f7f R09: 0000000000000000 [ 60.616391][ T114] R10: ffffc900029179e8 R11: fffff52000522f6c R12: ffff8880351bc000 [ 60.624358][ T114] R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88802da25a38 [ 60.632322][ T114] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 60.641246][ T114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.647824][ T114] CR2: 00007ffcb9612d08 CR3: 000000003446a000 CR4: 00000000003526f0 [ 60.655787][ T114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.663747][ T114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.671707][ T114] Call Trace: [ 60.674977][ T114] [ 60.677901][ T114] ? __die_body+0x5f/0xb0 [ 60.682223][ T114] ? die_addr+0xb0/0xe0 [ 60.686368][ T114] ? exc_general_protection+0x3dd/0x5d0 [ 60.691920][ T114] ? asm_exc_general_protection+0x26/0x30 [ 60.697633][ T114] ? filemap_fdatawrite+0x19f/0x2a0 [ 60.702826][ T114] ? lmLogSync+0x130/0xae0 [ 60.707243][ T114] ? __pfx_lmLogSync+0x10/0x10 [ 60.711996][ T114] ? do_raw_spin_lock+0x14f/0x370 [ 60.717018][ T114] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.722207][ T114] ? __wake_up_common_lock+0x18c/0x1e0 [ 60.727655][ T114] jfs_syncpt+0x7d/0xa0 [ 60.731804][ T114] txEnd+0x30f/0x560 [ 60.735693][ T114] jfs_lazycommit+0x634/0xb80 [ 60.740364][ T114] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 60.746253][ T114] ? lockdep_hardirqs_on+0x99/0x150 [ 60.751444][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 60.756636][ T114] ? __pfx_default_wake_function+0x10/0x10 [ 60.762437][ T114] ? __kthread_parkme+0x169/0x1d0 [ 60.767453][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 60.772645][ T114] kthread+0x2f0/0x390 [ 60.776703][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 60.781895][ T114] ? __pfx_kthread+0x10/0x10 [ 60.786475][ T114] ret_from_fork+0x4b/0x80 [ 60.790877][ T114] ? __pfx_kthread+0x10/0x10 [ 60.795457][ T114] ret_from_fork_asm+0x1a/0x30 [ 60.800220][ T114] [ 60.803230][ T114] Modules linked in: [pid 5848] munmap(0x7f815a200000, 138412032) = 0 [pid 5843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5848] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5848] close(3) = 0 [pid 5848] close(4) = 0 [pid 5848] mkdir("./file0", 0777) = 0 [pid 5848] mount("/dev/loop0", "./file0", "jfs", MS_LAZYTIME, "" [pid 5845] <... truncate resumed>) = 0 [pid 5850] <... write resumed>) = 16777216 [pid 5845] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... mount resumed>) = 0 [pid 5848] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5848] chdir("./file0") = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5848] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5848] <... futex resumed>) = 0 [ 60.807267][ T114] ---[ end trace 0000000000000000 ]--- [ 60.810961][ T5848] [ 60.810961][ T5848] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.810961][ T5848] [ 60.835845][ T115] [ 60.835845][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.835845][ T115] [ 60.841607][ T5848] [ 60.841607][ T5848] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.841607][ T5848] [ 60.846620][ T5825] [pid 5848] truncate("./file1", 24066 [pid 5845] <... futex resumed>) = 0 [pid 5843] exit_group(0 [pid 5847] futex(0x7f81627be6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] munmap(0x7f815a200000, 138412032 [pid 5843] <... exit_group resumed>) = ? [pid 5850] <... munmap resumed>) = 0 [pid 5845] +++ exited with 0 +++ [pid 5843] +++ exited with 0 +++ [ 60.846620][ T5825] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.846620][ T5825] [ 60.857516][ T114] RIP: 0010:lmLogSync+0x130/0xae0 [ 60.873937][ T5825] [ 60.873937][ T5825] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.873937][ T5825] [ 60.885169][ T5848] [ 60.885169][ T5848] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.885169][ T5848] [ 60.896443][ T5850] loop4: detected capacity change from 0 to 32768 [pid 5850] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} --- [pid 5850] <... openat resumed>) = 4 [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5826] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5826] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5826] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] getdents64(3, 0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5826] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5826] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] unlink("./1/binderfs") = 0 [pid 5826] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5847] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5848] <... truncate resumed>) = 0 [pid 5848] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5848] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] exit_group(0) = ? [pid 5848] <... futex resumed>) = ? [pid 5850] <... ioctl resumed>) = 0 [pid 5848] +++ exited with 0 +++ [pid 5847] +++ exited with 0 +++ [pid 5823] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=24 /* 0.24 s */} --- [pid 5823] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5823] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5823] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5823] getdents64(3, 0x55557c6d77f0 /* 4 entries */, 32768) = 112 [pid 5823] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5823] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] unlink("./1/binderfs") = 0 [ 60.899093][ T114] Code: a0 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 7e 7b d0 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 61 7b d0 fe 48 8b 3b e8 39 e6 a0 [ 60.903064][ T35] [ 60.903064][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.903064][ T35] [ 60.933776][ T115] [ 60.933776][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.933776][ T115] [ 60.933884][ T114] RSP: 0018:ffffc90002917c00 EFLAGS: 00010206 [ 60.945878][ T35] [ 60.945878][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5823] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] close(3) = 0 [ 60.945878][ T35] [ 60.948547][ T114] [ 60.952397][ T5826] [ 60.952397][ T5826] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.952397][ T5826] [ 60.962612][ T12] [ 60.962612][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.962612][ T12] [ 60.965891][ T115] [ 60.965891][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.965891][ T115] [ 60.975419][ T12] [ 60.975419][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.975419][ T12] [ 60.986521][ T5826] [pid 5850] close(4) = 0 [pid 5850] mkdir("./file0", 0777) = 0 [ 60.986521][ T5826] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.986521][ T5826] [ 60.996189][ T114] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88801e721e00 [ 61.028007][ T5823] [ 61.028007][ T5823] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 61.028007][ T5823] [ 61.030601][ T5850] [ 61.030601][ T5850] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 61.030601][ T5850] [ 61.038594][ T5823] [ 61.038594][ T5823] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 61.038594][ T5823] [pid 5850] mount("/dev/loop4", "./file0", "jfs", MS_LAZYTIME, "") = 0 [pid 5850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5850] chdir("./file0") = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] futex(0x7f81627be6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 61.060068][ T114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.068362][ T115] [ 61.068362][ T115] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 61.068362][ T115] [ 61.074498][ T114] RBP: ffffc90002917d18 R08: ffffffff81d79f7f R09: 0000000000000000 [ 61.087404][ T114] R10: ffffc900029179e8 R11: fffff52000522f6c R12: ffff8880351bc000 [ 61.095671][ T114] R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88802da25a38 [pid 5850] futex(0x7f81627be6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] <... futex resumed>) = 0 [pid 5849] futex(0x7f81627be6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = 0 [pid 5849] <... futex resumed>) = 1 [pid 5850] truncate("./file1", 24066 [ 61.103837][ T114] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 61.113132][ T114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.119811][ T114] CR2: 00007ffcb9612d08 CR3: 000000007df12000 CR4: 00000000003526f0 [ 61.124890][ T5850] [ 61.124890][ T5850] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 61.124890][ T5850] [ 61.127914][ T114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.139425][ T5850] [ 61.139425][ T5850] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 61.139425][ T5850] [ 61.146641][ T114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.164897][ T114] Kernel panic - not syncing: Fatal exception [ 61.171206][ T114] Kernel Offset: disabled [ 61.175520][ T114] Rebooting in 86400 seconds..