./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3500027133

<...>
Warning: Permanently added '10.128.1.24' (ED25519) to the list of known hosts.
execve("./syz-executor3500027133", ["./syz-executor3500027133"], 0x7ffe6dcffce0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555792d4000
brk(0x5555792d4d00)                     = 0x5555792d4d00
arch_prctl(ARCH_SET_FS, 0x5555792d4380) = 0
set_tid_address(0x5555792d4650)         = 5824
set_robust_list(0x5555792d4660, 24)     = 0
rseq(0x5555792d4ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3500027133", 4096) = 28
getrandom("\x77\x39\xfd\x6e\xc0\xdf\x43\x4c", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555792d4d00
brk(0x5555792f5d00)                     = 0x5555792f5d00
brk(0x5555792f6000)                     = 0x5555792f6000
mprotect(0x7f79a0ac9000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached
, child_tidptr=0x5555792d4650) = 5825
[pid  5825] set_robust_list(0x5555792d4660, 24) = 0
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5825] mkdir("./syzkaller.OYbrYU", 0700./strace-static-x86_64: Process 5826 attached
) = 0
[pid  5824] <... clone resumed>, child_tidptr=0x5555792d4650) = 5826
[pid  5826] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5825] chmod("./syzkaller.OYbrYU", 0777 <unfinished ...>
[pid  5826] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5827 attached
[pid  5826] mkdir("./syzkaller.8B5rTx", 0700 <unfinished ...>
[pid  5825] <... chmod resumed>)        = 0
[pid  5827] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5825] chdir("./syzkaller.OYbrYU" <unfinished ...>
[pid  5824] <... clone resumed>, child_tidptr=0x5555792d4650) = 5827
[pid  5827] <... set_robust_list resumed>) = 0
[pid  5826] <... mkdir resumed>)        = 0
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5827] mkdir("./syzkaller.iKPUVZ", 0700 <unfinished ...>
[pid  5826] chmod("./syzkaller.8B5rTx", 0777 <unfinished ...>
[pid  5825] <... chdir resumed>)        = 0
[pid  5825] mkdir("./0", 0777 <unfinished ...>
[pid  5827] <... mkdir resumed>)        = 0
[pid  5826] <... chmod resumed>)        = 0
[pid  5825] <... mkdir resumed>)        = 0
[pid  5827] chmod("./syzkaller.iKPUVZ", 0777 <unfinished ...>
[pid  5826] chdir("./syzkaller.8B5rTx" <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5828 attached
 <unfinished ...>
[pid  5827] <... chmod resumed>)        = 0
[pid  5826] <... chdir resumed>)        = 0
[pid  5824] <... clone resumed>, child_tidptr=0x5555792d4650) = 5828
[pid  5828] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5828] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5829 attached
[pid  5827] chdir("./syzkaller.iKPUVZ" <unfinished ...>
[pid  5826] mkdir("./0", 0777 <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[pid  5824] <... clone resumed>, child_tidptr=0x5555792d4650) = 5829
[pid  5829] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5828] mkdir("./syzkaller.9KO8n8", 0700 <unfinished ...>
[pid  5827] <... chdir resumed>)        = 0
[pid  5829] <... set_robust_list resumed>) = 0
[pid  5828] <... mkdir resumed>)        = 0
[pid  5827] mkdir("./0", 0777 <unfinished ...>
[pid  5826] <... mkdir resumed>)        = 0
[pid  5825] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5829] mkdir("./syzkaller.IAepGy", 0700 <unfinished ...>
[pid  5828] chmod("./syzkaller.9KO8n8", 0777 <unfinished ...>
[pid  5827] <... mkdir resumed>)        = 0
[pid  5825] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5826] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5828] <... chmod resumed>)        = 0
[pid  5829] <... mkdir resumed>)        = 0
[pid  5827] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5826] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5825] close(3 <unfinished ...>
[pid  5828] chdir("./syzkaller.9KO8n8" <unfinished ...>
[pid  5826] close(3 <unfinished ...>
[pid  5825] <... close resumed>)        = 0
[pid  5828] <... chdir resumed>)        = 0
[pid  5826] <... close resumed>)        = 0
[pid  5828] mkdir("./0", 0777 <unfinished ...>
[pid  5829] chmod("./syzkaller.IAepGy", 0777 <unfinished ...>
[pid  5827] <... openat resumed>)       = 3
[pid  5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached
 <unfinished ...>
[pid  5829] <... chmod resumed>)        = 0
[pid  5828] <... mkdir resumed>)        = 0
[pid  5827] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5831 attached
 <unfinished ...>
[pid  5829] chdir("./syzkaller.IAepGy" <unfinished ...>
[pid  5827] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5830] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5827] close(3 <unfinished ...>
[pid  5830] <... set_robust_list resumed>) = 0
[pid  5830] chdir("./0" <unfinished ...>
[pid  5829] <... chdir resumed>)        = 0
[pid  5827] <... close resumed>)        = 0
[pid  5831] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5830] <... chdir resumed>)        = 0
[pid  5829] mkdir("./0", 0777 <unfinished ...>
[pid  5828] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5829] <... mkdir resumed>)        = 0
[pid  5828] <... openat resumed>)       = 3
[pid  5828] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x5555792d4650) = 5831
[pid  5828] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5826] <... clone resumed>, child_tidptr=0x5555792d4650) = 5830
[pid  5829] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
./strace-static-x86_64: Process 5832 attached
[pid  5831] <... set_robust_list resumed>) = 0
[pid  5830] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5828] close(3 <unfinished ...>
[pid  5829] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5828] <... close resumed>)        = 0
[pid  5830] <... prctl resumed>)        = 0
[pid  5832] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5831] chdir("./0" <unfinished ...>
[pid  5830] setpgid(0, 0 <unfinished ...>
[pid  5827] <... clone resumed>, child_tidptr=0x5555792d4650) = 5832
[pid  5832] <... set_robust_list resumed>) = 0
[pid  5830] <... setpgid resumed>)      = 0
[pid  5831] <... chdir resumed>)        = 0
[pid  5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached
 <unfinished ...>
[pid  5832] chdir("./0" <unfinished ...>
[pid  5831] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5829] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5832] <... chdir resumed>)        = 0
[pid  5831] <... prctl resumed>)        = 0
[pid  5830] <... openat resumed>)       = 3
[pid  5829] close(3 <unfinished ...>
[pid  5834] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5832] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5831] setpgid(0, 0 <unfinished ...>
[pid  5830] write(3, "1000", 4 <unfinished ...>
[pid  5829] <... close resumed>)        = 0
[pid  5834] <... set_robust_list resumed>) = 0
[pid  5832] <... prctl resumed>)        = 0
[pid  5831] <... setpgid resumed>)      = 0
[pid  5830] <... write resumed>)        = 4
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5834] chdir("./0" <unfinished ...>
[pid  5832] setpgid(0, 0 <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5830] close(3 <unfinished ...>
[pid  5828] <... clone resumed>, child_tidptr=0x5555792d4650) = 5834
./strace-static-x86_64: Process 5835 attached
[pid  5834] <... chdir resumed>)        = 0
[pid  5832] <... setpgid resumed>)      = 0
[pid  5831] <... openat resumed>)       = 3
[pid  5830] <... close resumed>)        = 0
[pid  5835] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5830] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5835] <... set_robust_list resumed>) = 0
[pid  5831] write(3, "1000", 4)         = 4
[pid  5829] <... clone resumed>, child_tidptr=0x5555792d4650) = 5835
[pid  5831] close(3 <unfinished ...>
[pid  5830] <... symlink resumed>)      = 0
[pid  5831] <... close resumed>)        = 0
executing program
[pid  5835] chdir("./0" <unfinished ...>
[pid  5831] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5830] write(1, "executing program\n", 18 <unfinished ...>
[pid  5835] <... chdir resumed>)        = 0
[pid  5834] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5831] <... symlink resumed>)      = 0
[pid  5830] <... write resumed>)        = 18
[pid  5835] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5834] <... prctl resumed>)        = 0
[pid  5830] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5834] setpgid(0, 0 <unfinished ...>
[pid  5835] <... prctl resumed>)        = 0
[pid  5834] <... setpgid resumed>)      = 0
[pid  5835] setpgid(0, 0executing program
)               = 0
[pid  5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5831] write(1, "executing program\n", 18) = 18
[pid  5830] <... memfd_create resumed>) = 3
[pid  5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5832] <... openat resumed>)       = 3
[pid  5831] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5835] <... openat resumed>)       = 3
[pid  5834] <... openat resumed>)       = 3
[pid  5832] write(3, "1000", 4 <unfinished ...>
[pid  5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5831] <... memfd_create resumed>) = 3
[pid  5835] write(3, "1000", 4 <unfinished ...>
[pid  5834] write(3, "1000", 4 <unfinished ...>
[pid  5832] <... write resumed>)        = 4
[pid  5830] <... mmap resumed>)         = 0x7f7998600000
[pid  5835] <... write resumed>)        = 4
[pid  5832] close(3 <unfinished ...>
[pid  5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5835] close(3 <unfinished ...>
[pid  5834] <... write resumed>)        = 4
[pid  5832] <... close resumed>)        = 0
[pid  5831] <... mmap resumed>)         = 0x7f7998600000
[pid  5834] close(3 <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[pid  5834] <... close resumed>)        = 0
[pid  5832] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5835] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5834] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5835] <... symlink resumed>)      = 0
[pid  5832] <... symlink resumed>)      = 0
[pid  5835] write(1, "executing program\n", 18executing program
 <unfinished ...>
executing program
executing program
[pid  5834] write(1, "executing program\n", 18 <unfinished ...>
[pid  5832] write(1, "executing program\n", 18 <unfinished ...>
[pid  5835] <... write resumed>)        = 18
[pid  5834] <... write resumed>)        = 18
[pid  5832] <... write resumed>)        = 18
[pid  5835] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5834] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5832] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5835] <... memfd_create resumed>) = 3
[pid  5834] <... memfd_create resumed>) = 3
[pid  5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5832] <... memfd_create resumed>) = 3
[pid  5834] <... mmap resumed>)         = 0x7f7998600000
[pid  5835] <... mmap resumed>)         = 0x7f7998600000
[pid  5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7998600000
[pid  5831] 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 <unfinished ...>
[pid  5830] 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 <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5832] 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 <unfinished ...>
[pid  5831] <... write resumed>)        = 16777216
[pid  5831] munmap(0x7f7998600000, 138412032) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5831] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5831] close(3)                    = 0
[pid  5831] close(4)                    = 0
[pid  5831] mkdir("./file0", 0777)      = 0
[   72.781379][ T5831] loop0: detected capacity change from 0 to 32768
[pid  5831] mount("/dev/loop0", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota") = 0
[pid  5830] <... write resumed>)        = 16777216
[pid  5831] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5831] chdir("./file0")            = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] exit_group(0)               = ?
[pid  5831] +++ exited with 0 +++
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=18 /* 0.18 s */} ---
[pid  5825] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5825] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5825] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5825] getdents64(3, 0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5825] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5825] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5825] unlink("./0/binderfs")      = 0
[pid  5830] munmap(0x7f7998600000, 138412032 <unfinished ...>
[pid  5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] <... write resumed>)        = 16777216
[pid  5825] <... umount2 resumed>)      = 0
[pid  5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... write resumed>)        = 16777216
[pid  5835] <... write resumed>)        = 16777216
[pid  5832] munmap(0x7f7998600000, 138412032 <unfinished ...>
[pid  5830] <... munmap resumed>)       = 0
[pid  5825] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] munmap(0x7f7998600000, 138412032 <unfinished ...>
[pid  5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5825] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5830] <... openat resumed>)       = 4
[pid  5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] munmap(0x7f7998600000, 138412032 <unfinished ...>
[pid  5825] <... umount2 resumed>)      = -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, 0x5555792dd730 /* 2 entries */, 32768) = 48
[pid  5825] getdents64(4,  <unfinished ...>
[pid  5832] <... munmap resumed>)       = 0
[pid  5825] <... getdents64 resumed>0x5555792dd730 /* 0 entries */, 32768) = 0
[pid  5835] <... munmap resumed>)       = 0
[pid  5834] <... munmap resumed>)       = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5830] <... ioctl resumed>)        = 0
[pid  5825] close(4 <unfinished ...>
[pid  5835] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5832] <... openat resumed>)       = 4
[pid  5830] close(3 <unfinished ...>
[pid  5825] <... close resumed>)        = 0
[pid  5835] <... openat resumed>)       = 4
[pid  5834] <... openat resumed>)       = 4
[pid  5832] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5830] <... close resumed>)        = 0
[pid  5825] rmdir("./0/file0")          = 0
[pid  5835] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5834] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[   72.918511][ T5830] loop1: detected capacity change from 0 to 32768
[   72.947264][ T5832] loop2: detected capacity change from 0 to 32768
[   72.957589][ T5834] loop3: detected capacity change from 0 to 32768
[pid  5825] getdents64(3,  <unfinished ...>
[pid  5832] <... ioctl resumed>)        = 0
[pid  5825] <... getdents64 resumed>0x5555792d56f0 /* 0 entries */, 32768) = 0
[pid  5832] close(3)                    = 0
[pid  5825] close(3 <unfinished ...>
[pid  5832] close(4 <unfinished ...>
[pid  5830] close(4 <unfinished ...>
[pid  5825] <... close resumed>)        = 0
[pid  5830] <... close resumed>)        = 0
[pid  5825] rmdir("./0" <unfinished ...>
[pid  5830] mkdir("./file0", 0777 <unfinished ...>
[pid  5825] <... rmdir resumed>)        = 0
[pid  5832] <... close resumed>)        = 0
[pid  5830] <... mkdir resumed>)        = 0
[pid  5825] mkdir("./1", 0777 <unfinished ...>
[pid  5832] mkdir("./file0", 0777)      = 0
[pid  5825] <... mkdir resumed>)        = 0
[pid  5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5832] mount("/dev/loop2", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota" <unfinished ...>
[pid  5830] mount("/dev/loop1", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota" <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[pid  5825] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5825] close(3 <unfinished ...>
[pid  5835] <... ioctl resumed>)        = 0
[pid  5834] <... ioctl resumed>)        = 0
[pid  5830] <... mount resumed>)        = 0
[pid  5835] close(3 <unfinished ...>
[pid  5834] close(3 <unfinished ...>
[pid  5830] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5830] <... openat resumed>)       = 3
[pid  5834] close(4 <unfinished ...>
[pid  5830] chdir("./file0" <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5830] <... chdir resumed>)        = 0
[pid  5834] mkdir("./file0", 0777 <unfinished ...>
[pid  5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5834] <... mkdir resumed>)        = 0
[pid  5830] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5830] exit_group(0 <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[pid  5834] mount("/dev/loop3", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota" <unfinished ...>
[pid  5830] <... exit_group resumed>)   = ?
[pid  5835] close(4 <unfinished ...>
[pid  5830] +++ exited with 0 +++
[pid  5835] <... close resumed>)        = 0
[pid  5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=22 /* 0.22 s */} ---
[pid  5832] <... mount resumed>)        = 0
[pid  5826] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5835] mkdir("./file0", 0777 <unfinished ...>
[pid  5832] <... openat resumed>)       = 3
[pid  5835] <... mkdir resumed>)        = 0
[pid  5832] chdir("./file0" <unfinished ...>
[pid  5835] mount("/dev/loop4", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota" <unfinished ...>
[pid  5832] <... chdir resumed>)        = 0
[   72.964927][ T5835] loop4: detected capacity change from 0 to 32768
[pid  5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] exit_group(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=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
[pid  5827] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5834] <... mount resumed>)        = 0
[pid  5834] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5834] chdir("./file0")            = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5826] <... restart_syscall resumed>) = 0
[pid  5834] exit_group(0)               = ?
[pid  5826] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5826] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5834] +++ exited with 0 +++
[pid  5826] <... openat resumed>)       = 3
[pid  5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=25 /* 0.25 s */} ---
[pid  5828] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5826] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5826] getdents64(3, 0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5828] <... restart_syscall resumed>) = 0
[pid  5827] <... restart_syscall resumed>) = 0
[pid  5826] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5828] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5828] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5828] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5827] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5826] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5828] <... openat resumed>)       = 3
[pid  5827] <... openat resumed>)       = 3
[pid  5828] newfstatat(3, "",  <unfinished ...>
[pid  5827] newfstatat(3, "",  <unfinished ...>
[pid  5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5828] getdents64(3,  <unfinished ...>
[pid  5827] getdents64(3,  <unfinished ...>
[pid  5828] <... getdents64 resumed>0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5827] <... getdents64 resumed>0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5826] unlink("./0/binderfs" <unfinished ...>
[pid  5828] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5828] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5828] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5827] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5828] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5827] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5826] <... unlink resumed>)       = 0
[pid  5828] unlink("./0/binderfs" <unfinished ...>
[pid  5827] unlink("./0/binderfs" <unfinished ...>
[pid  5828] <... unlink resumed>)       = 0
[pid  5827] <... unlink resumed>)       = 0
[pid  5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] <... mount resumed>)        = 0
[pid  5835] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5835] chdir("./file0")            = 0
[pid  5835] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5835] exit_group(0)               = ?
[pid  5835] +++ exited with 0 +++
[pid  5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} ---
[pid  5829] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5826] <... umount2 resumed>)      = 0
[pid  5829] <... restart_syscall resumed>) = 0
[pid  5829] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5829] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5829] getdents64(3, 0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5829] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5829] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5829] unlink("./0/binderfs" <unfinished ...>
[pid  5828] <... umount2 resumed>)      = 0
[pid  5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5828] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5829] <... unlink resumed>)       = 0
[pid  5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5828] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5828] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5828] getdents64(4, 0x5555792dd730 /* 2 entries */, 32768) = 48
[pid  5828] getdents64(4, 0x5555792dd730 /* 0 entries */, 32768) = 0
[pid  5828] close(4)                    = 0
[pid  5828] rmdir("./0/file0")          = 0
[pid  5828] getdents64(3, 0x5555792d56f0 /* 0 entries */, 32768) = 0
[pid  5828] close(3)                    = 0
[pid  5828] rmdir("./0")                = 0
[pid  5828] mkdir("./1", 0777)          = 0
[pid  5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5828] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  5828] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5828] close(3 <unfinished ...>
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5827] <... umount2 resumed>)      = 0
[pid  5826] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5829] <... umount2 resumed>)      = 0
[pid  5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5829] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5829] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5826] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5826] newfstatat(4, "",  <unfinished ...>
[pid  5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5829] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5829] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5827] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5826] getdents64(4,  <unfinished ...>
[pid  5829] <... openat resumed>)       = 4
[pid  5827] <... openat resumed>)       = 4
[pid  5826] <... getdents64 resumed>0x5555792dd730 /* 2 entries */, 32768) = 48
[pid  5826] getdents64(4, 0x5555792dd730 /* 0 entries */, 32768) = 0
[pid  5827] newfstatat(4, "",  <unfinished ...>
[pid  5826] close(4 <unfinished ...>
[pid  5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5826] <... close resumed>)        = 0
[pid  5827] getdents64(4,  <unfinished ...>
[pid  5826] rmdir("./0/file0" <unfinished ...>
[pid  5829] newfstatat(4, "",  <unfinished ...>
[pid  5827] <... getdents64 resumed>0x5555792dd730 /* 2 entries */, 32768) = 48
[pid  5826] <... rmdir resumed>)        = 0
[pid  5827] getdents64(4,  <unfinished ...>
[pid  5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5827] <... getdents64 resumed>0x5555792dd730 /* 0 entries */, 32768) = 0
[pid  5826] getdents64(3, 0x5555792d56f0 /* 0 entries */, 32768) = 0
[pid  5827] close(4 <unfinished ...>
[pid  5826] close(3 <unfinished ...>
[pid  5827] <... close resumed>)        = 0
[pid  5826] <... close resumed>)        = 0
[pid  5827] rmdir("./0/file0")          = 0
[pid  5826] rmdir("./0")                = 0
[pid  5827] getdents64(3,  <unfinished ...>
[pid  5829] getdents64(4,  <unfinished ...>
[pid  5827] <... getdents64 resumed>0x5555792d56f0 /* 0 entries */, 32768) = 0
[pid  5826] mkdir("./1", 0777 <unfinished ...>
[pid  5827] close(3 <unfinished ...>
[pid  5829] <... getdents64 resumed>0x5555792dd730 /* 2 entries */, 32768) = 48
[pid  5827] <... close resumed>)        = 0
[pid  5826] <... mkdir resumed>)        = 0
[pid  5827] rmdir("./0" <unfinished ...>
[pid  5829] getdents64(4,  <unfinished ...>
[pid  5827] <... rmdir resumed>)        = 0
[pid  5829] <... getdents64 resumed>0x5555792dd730 /* 0 entries */, 32768) = 0
[pid  5829] close(4)                    = 0
[pid  5827] mkdir("./1", 0777 <unfinished ...>
[pid  5829] rmdir("./0/file0" <unfinished ...>
[pid  5827] <... mkdir resumed>)        = 0
[pid  5829] <... rmdir resumed>)        = 0
[pid  5829] getdents64(3,  <unfinished ...>
[pid  5827] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5829] <... getdents64 resumed>0x5555792d56f0 /* 0 entries */, 32768) = 0
[pid  5829] close(3 <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5829] <... close resumed>)        = 0
[pid  5826] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5827] <... openat resumed>)       = 3
[pid  5829] rmdir("./0" <unfinished ...>
[pid  5826] <... ioctl resumed>)        = 0
[pid  5829] <... rmdir resumed>)        = 0
[pid  5827] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5826] close(3 <unfinished ...>
[pid  5827] <... ioctl resumed>)        = 0
[pid  5829] mkdir("./1", 0777)          = 0
[pid  5829] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5827] close(3 <unfinished ...>
[pid  5829] <... openat resumed>)       = 3
[pid  5829] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5829] close(3)                    = 0
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555792d4650) = 5838
./strace-static-x86_64: Process 5838 attached
[pid  5838] set_robust_list(0x5555792d4660, 24) = 0
[pid  5838] chdir("./1")                = 0
[pid  5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5838] setpgid(0, 0)               = 0
[pid  5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5838] write(3, "1000", 4)         = 4
[pid  5838] close(3)                    = 0
[pid  5838] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5838] write(1, "executing program\n", 18) = 18
[pid  5838] memfd_create("syzkaller", 0) = 3
[pid  5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7998600000
[pid  5825] <... close resumed>)        = 0
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached
, child_tidptr=0x5555792d4650) = 5840
[pid  5840] set_robust_list(0x5555792d4660, 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 <unfinished ...>
[pid  5827] <... close resumed>)        = 0
[pid  5840] <... close resumed>)        = 0
[pid  5840] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] write(1, "executing program\n", 18executing program
) = 18
./strace-static-x86_64: Process 5841 attached
[pid  5840] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5828] <... close resumed>)        = 0
[pid  5840] <... memfd_create resumed>) = 3
[pid  5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5841] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5840] <... mmap resumed>)         = 0x7f7998600000
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5827] <... clone resumed>, child_tidptr=0x5555792d4650) = 5841
[pid  5841] chdir("./1"./strace-static-x86_64: Process 5842 attached
)                = 0
[pid  5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid  5841] setpgid(0, 0 <unfinished ...>
[pid  5828] <... clone resumed>, child_tidptr=0x5555792d4650) = 5842
[pid  5842] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5841] <... setpgid resumed>)      = 0
[pid  5842] <... set_robust_list resumed>) = 0
[pid  5842] chdir("./1" <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5842] <... chdir resumed>)        = 0
[pid  5842] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5841] <... openat resumed>)       = 3
[pid  5842] <... prctl resumed>)        = 0
[pid  5841] write(3, "1000", 4 <unfinished ...>
[pid  5842] setpgid(0, 0 <unfinished ...>
[pid  5841] <... write resumed>)        = 4
[pid  5842] <... setpgid resumed>)      = 0
[pid  5841] close(3 <unfinished ...>
[pid  5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "1000", 4)         = 4
[pid  5842] close(3)                    = 0
[pid  5842] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5842] write(1, "executing program\n", 18) = 18
[pid  5842] memfd_create("syzkaller", 0) = 3
[pid  5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7998600000
[pid  5841] <... close resumed>)        = 0
[pid  5841] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5841] write(1, "executing program\n", 18) = 18
[pid  5841] memfd_create("syzkaller", 0) = 3
[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 <unfinished ...>
[pid  5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7998600000
[pid  5826] <... close resumed>)        = 0
[pid  5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555792d4650) = 5843
./strace-static-x86_64: Process 5843 attached
[pid  5843] set_robust_list(0x5555792d4660, 24) = 0
[pid  5843] chdir("./1")                = 0
[pid  5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5843] setpgid(0, 0)               = 0
executing program
[pid  5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5843] write(3, "1000", 4)         = 4
[pid  5843] close(3)                    = 0
[pid  5843] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5843] write(1, "executing program\n", 18) = 18
[pid  5843] memfd_create("syzkaller", 0) = 3
[pid  5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7998600000
[pid  5842] 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 <unfinished ...>
[pid  5840] 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 <unfinished ...>
[pid  5843] 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 <unfinished ...>
[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 <unfinished ...>
[pid  5838] <... write resumed>)        = 16777216
[pid  5838] munmap(0x7f7998600000, 138412032) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  5838] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5838] close(3)                    = 0
[pid  5838] close(4)                    = 0
[pid  5838] mkdir("./file0", 0777)      = 0
[pid  5838] mount("/dev/loop4", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota") = 0
[pid  5838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5838] chdir("./file0")            = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[   73.909469][ T5838] loop4: detected capacity change from 0 to 32768
[pid  5838] exit_group(0)               = ?
[pid  5838] +++ exited with 0 +++
[pid  5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} ---
[pid  5842] <... write resumed>)        = 16777216
[pid  5842] munmap(0x7f7998600000, 138412032 <unfinished ...>
[pid  5829] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5842] <... munmap resumed>)       = 0
[pid  5843] <... write resumed>)        = 16777216
[pid  5842] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5840] <... write resumed>)        = 16777216
[pid  5829] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5843] munmap(0x7f7998600000, 138412032 <unfinished ...>
[pid  5842] <... openat resumed>)       = 4
[pid  5840] munmap(0x7f7998600000, 138412032 <unfinished ...>
[pid  5843] <... munmap resumed>)       = 0
[pid  5842] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5829] <... openat resumed>)       = 3
[pid  5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5842] <... ioctl resumed>)        = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5840] <... munmap resumed>)       = 0
[pid  5829] getdents64(3, 0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5829] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5842] close(3)                    = 0
[pid  5842] close(4 <unfinished ...>
[pid  5843] <... openat resumed>)       = 4
[pid  5842] <... close resumed>)        = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5842] mkdir("./file0", 0777 <unfinished ...>
[pid  5843] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5842] <... mkdir resumed>)        = 0
[pid  5840] <... openat resumed>)       = 4
[pid  5829] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5841] <... write resumed>)        = 16777216
[pid  5829] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5840] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5842] mount("/dev/loop3", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota" <unfinished ...>
[pid  5841] munmap(0x7f7998600000, 138412032 <unfinished ...>
[pid  5829] unlink("./1/binderfs" <unfinished ...>
[pid  5843] <... ioctl resumed>)        = 0
[pid  5829] <... unlink resumed>)       = 0
[pid  5829] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5843] close(3)                    = 0
[pid  5843] close(4)                    = 0
[pid  5843] mkdir("./file0", 0777)      = 0
[pid  5840] <... ioctl resumed>)        = 0
[pid  5840] close(3)                    = 0
[pid  5840] close(4)                    = 0
[pid  5840] mkdir("./file0", 0777 <unfinished ...>
[pid  5843] mount("/dev/loop1", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota" <unfinished ...>
[pid  5840] <... mkdir resumed>)        = 0
[pid  5840] mount("/dev/loop0", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota" <unfinished ...>
[pid  5829] <... umount2 resumed>)      = 0
[pid  5829] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5829] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5829] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5829] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5842] <... mount resumed>)        = 0
[pid  5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5842] chdir("./file0")            = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5842] exit_group(0)               = ?
[pid  5842] +++ exited with 0 +++
[pid  5829] <... openat resumed>)       = 4
[pid  5829] newfstatat(4, "",  <unfinished ...>
[pid  5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} ---
[pid  5828] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5828] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5828] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[   74.085661][ T5842] loop3: detected capacity change from 0 to 32768
[   74.111755][ T5843] loop1: detected capacity change from 0 to 32768
[   74.120426][ T5840] loop0: detected capacity change from 0 to 32768
[pid  5829] getdents64(4,  <unfinished ...>
[pid  5828] newfstatat(3, "",  <unfinished ...>
[pid  5829] <... getdents64 resumed>0x5555792dd730 /* 2 entries */, 32768) = 48
[pid  5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5829] getdents64(4,  <unfinished ...>
[pid  5828] getdents64(3,  <unfinished ...>
[pid  5829] <... getdents64 resumed>0x5555792dd730 /* 0 entries */, 32768) = 0
[pid  5828] <... getdents64 resumed>0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5840] <... mount resumed>)        = 0
[pid  5829] close(4 <unfinished ...>
[pid  5828] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5829] <... close resumed>)        = 0
[pid  5840] <... openat resumed>)       = 3
[pid  5828] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5840] chdir("./file0" <unfinished ...>
[pid  5829] rmdir("./1/file0" <unfinished ...>
[pid  5843] <... mount resumed>)        = 0
[pid  5840] <... chdir resumed>)        = 0
[pid  5828] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5843] <... openat resumed>)       = 3
[pid  5840] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5843] chdir("./file0" <unfinished ...>
[pid  5840] exit_group(0 <unfinished ...>
[pid  5843] <... chdir resumed>)        = 0
[pid  5840] <... exit_group resumed>)   = ?
[pid  5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5829] <... rmdir resumed>)        = 0
[pid  5828] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5843] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5829] getdents64(3,  <unfinished ...>
[pid  5828] unlink("./1/binderfs" <unfinished ...>
[pid  5843] exit_group(0 <unfinished ...>
[pid  5841] <... munmap resumed>)       = 0
[pid  5829] <... getdents64 resumed>0x5555792d56f0 /* 0 entries */, 32768) = 0
[pid  5843] <... exit_group resumed>)   = ?
[pid  5829] close(3 <unfinished ...>
[pid  5828] <... unlink resumed>)       = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5843] +++ exited with 0 +++
[pid  5829] <... close resumed>)        = 0
[pid  5828] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] <... openat resumed>)       = 4
[pid  5840] +++ exited with 0 +++
[pid  5829] rmdir("./1" <unfinished ...>
[pid  5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=20 /* 0.20 s */} ---
[pid  5841] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5826] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
[pid  5825] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5829] <... rmdir resumed>)        = 0
[pid  5829] mkdir("./2", 0777 <unfinished ...>
[pid  5826] <... restart_syscall resumed>) = 0
[pid  5826] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5825] <... restart_syscall resumed>) = 0
[pid  5829] <... mkdir resumed>)        = 0
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5828] <... umount2 resumed>)      = 0
[pid  5826] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5825] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] newfstatat(3, "",  <unfinished ...>
[pid  5825] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5825] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5829] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5826] getdents64(3,  <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[pid  5829] <... openat resumed>)       = 3
[pid  5826] <... getdents64 resumed>0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5825] newfstatat(3, "",  <unfinished ...>
[pid  5829] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5826] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5829] <... ioctl resumed>)        = 0
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5825] getdents64(3,  <unfinished ...>
[pid  5829] close(3 <unfinished ...>
[pid  5826] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5825] <... getdents64 resumed>0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5826] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5825] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] unlink("./1/binderfs" <unfinished ...>
[pid  5841] <... ioctl resumed>)        = 0
[pid  5828] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... unlink resumed>)       = 0
[pid  5825] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5841] close(3 <unfinished ...>
[pid  5828] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5825] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5841] <... close resumed>)        = 0
[pid  5841] close(4 <unfinished ...>
[pid  5828] newfstatat(AT_FDCWD, "./1/file0",  <unfinished ...>
[pid  5825] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5841] <... close resumed>)        = 0
[pid  5841] mkdir("./file0", 0777 <unfinished ...>
[pid  5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5825] unlink("./1/binderfs" <unfinished ...>
[pid  5828] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5825] <... unlink resumed>)       = 0
[pid  5841] <... mkdir resumed>)        = 0
[pid  5828] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5825] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] mount("/dev/loop2", "./file0", "jfs", 0, "quota,errors=remount-ro,integrity,iocharset=cp932,nodiscard,nointegrity,grpquota" <unfinished ...>
[pid  5828] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5828] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5828] getdents64(4, 0x5555792dd730 /* 2 entries */, 32768) = 48
[pid  5828] getdents64(4, 0x5555792dd730 /* 0 entries */, 32768) = 0
[pid  5828] close(4)                    = 0
[pid  5828] rmdir("./1/file0")          = 0
[pid  5828] getdents64(3, 0x5555792d56f0 /* 0 entries */, 32768) = 0
[pid  5828] close(3)                    = 0
[pid  5828] rmdir("./1")                = 0
[pid  5828] mkdir("./2", 0777 <unfinished ...>
[pid  5841] <... mount resumed>)        = 0
[pid  5828] <... mkdir resumed>)        = 0
[pid  5841] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5841] chdir("./file0" <unfinished ...>
[pid  5828] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5841] <... chdir resumed>)        = 0
[pid  5828] <... openat resumed>)       = 3
[pid  5841] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5828] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5828] close(3 <unfinished ...>
[pid  5841] exit_group(0)               = ?
[pid  5841] +++ exited with 0 +++
[   74.199877][ T5841] loop2: detected capacity change from 0 to 32768
[pid  5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=21 /* 0.21 s */} ---
[pid  5827] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[   74.268864][ T5825] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
[   74.280791][ T5825] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   74.289203][ T5825] CPU: 1 UID: 0 PID: 5825 Comm: syz-executor350 Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 PREEMPT(full) 
[   74.301601][ T5825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   74.311650][ T5825] RIP: 0010:lmLogSync+0x1ee/0xaf0
[   74.316687][ T5825] Code: 00 00 49 8d 5f d8 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 70 3c cc 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 53 3c cc fe 48 8b 3b e8 1b 65 9e
[   74.336281][ T5825] RSP: 0018:ffffc90003e6fa20 EFLAGS: 00010206
[   74.342334][ T5825] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88807d629e00
[   74.350286][ T5825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   74.358241][ T5825] RBP: ffffc90003e6fb28 R08: ffffffff81fc8f8e R09: 0000000000000000
[   74.366196][ T5825] R10: ffffc90003e6f808 R11: fffff520007cdf30 R12: ffff8880359d4000
[   74.374151][ T5825] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802a219c38
[   74.382103][ T5825] FS:  00005555792d4380(0000) GS:ffff8881250cf000(0000) knlGS:0000000000000000
[   74.391013][ T5825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.397584][ T5825] CR2: 00005555792e5738 CR3: 000000007fa24000 CR4: 00000000003526f0
[   74.405542][ T5825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   74.413496][ T5825] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   74.421450][ T5825] Call Trace:
[   74.424713][ T5825]  <TASK>
[   74.427628][ T5825]  ? jfs_syncpt+0x26/0xa0
[   74.431946][ T5825]  ? __pfx_lmLogSync+0x10/0x10
[   74.436695][ T5825]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[   74.442580][ T5825]  jfs_syncpt+0x7d/0xa0
[   74.446727][ T5825]  jfs_sync_fs+0x8a/0xa0
[   74.450957][ T5825]  sync_filesystem+0xed/0x230
[   74.455618][ T5825]  generic_shutdown_super+0x72/0x2d0
[   74.460892][ T5825]  kill_block_super+0x44/0x90
[   74.465555][ T5825]  deactivate_locked_super+0xc4/0x130
[   74.470918][ T5825]  cleanup_mnt+0x422/0x4c0
[   74.475320][ T5825]  ? lockdep_hardirqs_on+0x9d/0x150
[   74.480507][ T5825]  task_work_run+0x251/0x310
[   74.485082][ T5825]  ? __pfx_task_work_run+0x10/0x10
[   74.490175][ T5825]  ? path_umount+0x251/0xfb0
[   74.494755][ T5825]  ptrace_notify+0x2dc/0x390
[   74.499330][ T5825]  ? __x64_sys_umount+0x122/0x170
[   74.504336][ T5825]  ? user_path_at+0x44/0x60
[   74.508826][ T5825]  ? __pfx_ptrace_notify+0x10/0x10
[   74.513922][ T5825]  ? kmem_cache_free+0x197/0x410
[   74.518847][ T5825]  ? __x64_sys_umount+0x122/0x170
[   74.523854][ T5825]  syscall_exit_work+0xc7/0x1d0
[   74.528697][ T5825]  syscall_exit_to_user_mode+0x24a/0x340
[   74.534315][ T5825]  do_syscall_64+0x100/0x210
[   74.538890][ T5825]  ? clear_bhb_loop+0x45/0xa0
[   74.543549][ T5825]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   74.549428][ T5825] RIP: 0033:0x7f79a0a50477
[   74.553836][ T5825] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   74.573421][ T5825] RSP: 002b:00007ffea2c02828 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   74.581820][ T5825] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f79a0a50477
[   74.589774][ T5825] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffea2c028e0
[   74.597728][ T5825] RBP: 00007ffea2c028e0 R08: 0000000000000000 R09: 0000000000000000
[   74.605680][ T5825] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffea2c03950
[pid  5827] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[   74.613634][ T5825] R13: 00005555792d56c0 R14: 0000000000000002 R15: 431bde82d7b634db
[   74.621592][ T5825]  </TASK>
[   74.624593][ T5825] Modules linked in:
[   74.628633][ T5825] ---[ end trace 0000000000000000 ]---
[pid  5829] <... close resumed>)        = 0
[pid  5828] <... close resumed>)        = 0
[pid  5827] newfstatat(3, "",  <unfinished ...>
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5829] <... clone resumed>, child_tidptr=0x5555792d4650) = 5846
[pid  5828] <... clone resumed>, child_tidptr=0x5555792d4650) = 5845
./strace-static-x86_64: Process 5846 attached
./strace-static-x86_64: Process 5845 attached
[pid  5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[   74.699430][ T5825] RIP: 0010:lmLogSync+0x1ee/0xaf0
[   74.706619][ T5825] Code: 00 00 49 8d 5f d8 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 70 3c cc 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 53 3c cc fe 48 8b 3b e8 1b 65 9e
[   74.726823][ T5825] RSP: 0018:ffffc90003e6fa20 EFLAGS: 00010206
[   74.732913][ T5825] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88807d629e00
[pid  5846] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5845] set_robust_list(0x5555792d4660, 24 <unfinished ...>
[pid  5827] getdents64(3,  <unfinished ...>
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5846] chdir("./2" <unfinished ...>
[pid  5845] <... set_robust_list resumed>) = 0
[pid  5827] <... getdents64 resumed>0x5555792d56f0 /* 4 entries */, 32768) = 112
[pid  5846] <... chdir resumed>)        = 0
[pid  5845] chdir("./2" <unfinished ...>
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] <... chdir resumed>)        = 0
[pid  5845] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5827] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5846] <... prctl resumed>)        = 0
[pid  5845] <... prctl resumed>)        = 0
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5846] setpgid(0, 0 <unfinished ...>
[pid  5845] setpgid(0, 0 <unfinished ...>
[pid  5827] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5846] <... setpgid resumed>)      = 0
[pid  5845] <... setpgid resumed>)      = 0
[pid  5827] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5827] unlink("./1/binderfs")      = 0
[pid  5846] <... openat resumed>)       = 3
[pid  5845] <... openat resumed>)       = 3
[pid  5827] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5846] write(3, "1000", 4 <unfinished ...>
[pid  5845] write(3, "1000", 4 <unfinished ...>
[pid  5846] <... write resumed>)        = 4
[pid  5845] <... write resumed>)        = 4
[pid  5846] close(3 <unfinished ...>
[pid  5845] close(3 <unfinished ...>
[pid  5846] <... close resumed>)        = 0
[pid  5845] <... close resumed>)        = 0
[pid  5846] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5845] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5846] write(1, "executing program\n", 18executing program
executing program
) = 18
[pid  5845] write(1, "executing program\n", 18 <unfinished ...>
[pid  5846] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5845] <... write resumed>)        = 18
[pid  5845] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5846] <... memfd_create resumed>) = 3
[pid  5845] <... memfd_create resumed>) = 3
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5846] <... mmap resumed>)         = 0x7f7998600000
[pid  5845] <... mmap resumed>)         = 0x7f7998600000
[   74.743518][ T5825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   74.752052][ T5825] RBP: ffffc90003e6fb28 R08: ffffffff81fc8f8e R09: 0000000000000000
[   74.760497][ T5825] R10: ffffc90003e6f808 R11: fffff520007cdf30 R12: ffff8880359d4000
[   74.768503][ T5825] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802a219c38
[   74.776882][ T5825] FS:  00005555792d4380(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000
[   74.786219][ T5825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.793188][ T5825] CR2: 00005555792d4650 CR3: 000000007fa24000 CR4: 00000000003526f0
[   74.801554][ T5825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   74.809718][ T5825] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   74.817883][ T5825] Kernel panic - not syncing: Fatal exception
[   74.824187][ T5825] Kernel Offset: disabled
[   74.828497][ T5825] Rebooting in 86400 seconds..