./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2183918868

<...>
Warning: Permanently added '10.128.1.191' (ED25519) to the list of known hosts.
execve("./syz-executor2183918868", ["./syz-executor2183918868"], 0x7ffedd9e68e0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555837f4000
brk(0x5555837f4d00)                     = 0x5555837f4d00
arch_prctl(ARCH_SET_FS, 0x5555837f4380) = 0
set_tid_address(0x5555837f4650)         = 5818
set_robust_list(0x5555837f4660, 24)     = 0
rseq(0x5555837f4ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2183918868", 4096) = 28
getrandom("\x3d\x7d\xea\x56\x71\x06\x91\x62", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555837f4d00
brk(0x555583815d00)                     = 0x555583815d00
brk(0x555583816000)                     = 0x555583816000
mprotect(0x7fd50dcf4000, 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 5819 attached
, child_tidptr=0x5555837f4650) = 5819
[pid  5819] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] <... set_robust_list resumed>) = 0
[pid  5819] mkdir("./syzkaller.6LqfXC", 0700./strace-static-x86_64: Process 5820 attached
 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x5555837f4650) = 5820
[pid  5820] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5820] <... set_robust_list resumed>) = 0
[pid  5819] <... mkdir resumed>)        = 0
[pid  5819] chmod("./syzkaller.6LqfXC", 0777./strace-static-x86_64: Process 5821 attached
 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x5555837f4650) = 5821
[pid  5820] mkdir("./syzkaller.a50zMZ", 0700 <unfinished ...>
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] set_robust_list(0x5555837f4660, 24) = 0
[pid  5819] <... chmod resumed>)        = 0
./strace-static-x86_64: Process 5822 attached
[pid  5821] mkdir("./syzkaller.B4DL58", 0700 <unfinished ...>
[pid  5820] <... mkdir resumed>)        = 0
[pid  5818] <... clone resumed>, child_tidptr=0x5555837f4650) = 5822
[pid  5822] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5820] chmod("./syzkaller.a50zMZ", 0777 <unfinished ...>
[pid  5819] chdir("./syzkaller.6LqfXC" <unfinished ...>
[pid  5822] <... set_robust_list resumed>) = 0
[pid  5821] <... mkdir resumed>)        = 0
[pid  5820] <... chmod resumed>)        = 0
[pid  5819] <... chdir resumed>)        = 0
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] mkdir("./syzkaller.RcZBth", 0700 <unfinished ...>
[pid  5821] chmod("./syzkaller.B4DL58", 0777 <unfinished ...>
[pid  5820] chdir("./syzkaller.a50zMZ" <unfinished ...>
[pid  5819] mkdir("./0", 0777./strace-static-x86_64: Process 5823 attached
 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x5555837f4650) = 5823
[pid  5820] <... chdir resumed>)        = 0
[pid  5819] <... mkdir resumed>)        = 0
[pid  5820] mkdir("./0", 0777 <unfinished ...>
[pid  5823] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5822] <... mkdir resumed>)        = 0
[pid  5821] <... chmod resumed>)        = 0
[pid  5820] <... mkdir resumed>)        = 0
[pid  5823] <... set_robust_list resumed>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5823] mkdir("./syzkaller.1PvUyw", 0700 <unfinished ...>
[pid  5822] chmod("./syzkaller.RcZBth", 0777 <unfinished ...>
[pid  5821] chdir("./syzkaller.B4DL58" <unfinished ...>
[pid  5820] <... openat resumed>)       = 3
[pid  5823] <... mkdir resumed>)        = 0
[pid  5822] <... chmod resumed>)        = 0
[pid  5821] <... chdir resumed>)        = 0
[pid  5819] <... openat resumed>)       = 3
[pid  5823] chmod("./syzkaller.1PvUyw", 0777 <unfinished ...>
[pid  5820] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5823] <... chmod resumed>)        = 0
[pid  5822] chdir("./syzkaller.RcZBth" <unfinished ...>
[pid  5821] mkdir("./0", 0777 <unfinished ...>
[pid  5819] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5823] chdir("./syzkaller.1PvUyw" <unfinished ...>
[pid  5822] <... chdir resumed>)        = 0
[pid  5820] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5819] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5823] <... chdir resumed>)        = 0
[pid  5822] mkdir("./0", 0777 <unfinished ...>
[pid  5820] close(3 <unfinished ...>
[pid  5823] mkdir("./0", 0777 <unfinished ...>
[pid  5822] <... mkdir resumed>)        = 0
[pid  5821] <... mkdir resumed>)        = 0
[pid  5820] <... close resumed>)        = 0
[pid  5819] close(3 <unfinished ...>
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5819] <... close resumed>)        = 0
[pid  5822] <... openat resumed>)       = 3
[pid  5821] <... openat resumed>)       = 3
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5824 attached
 <unfinished ...>
[pid  5823] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5825 attached
[pid  5824] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5823] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5822] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5821] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555837f4650) = 5825
[pid  5824] <... set_robust_list resumed>) = 0
[pid  5822] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5820] <... clone resumed>, child_tidptr=0x5555837f4650) = 5824
[pid  5825] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5824] chdir("./0" <unfinished ...>
[pid  5823] <... openat resumed>)       = 3
[pid  5821] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5825] <... set_robust_list resumed>) = 0
[pid  5822] close(3 <unfinished ...>
[pid  5825] chdir("./0" <unfinished ...>
[pid  5822] <... close resumed>)        = 0
[pid  5821] close(3 <unfinished ...>
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] <... close resumed>)        = 0
./strace-static-x86_64: Process 5827 attached
[pid  5823] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5827] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5823] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5822] <... clone resumed>, child_tidptr=0x5555837f4650) = 5827
[pid  5827] <... set_robust_list resumed>) = 0
[pid  5824] <... chdir resumed>)        = 0
[pid  5827] chdir("./0" <unfinished ...>
[pid  5823] close(3 <unfinished ...>
[pid  5827] <... chdir resumed>)        = 0
[pid  5823] <... close resumed>)        = 0
[pid  5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5827] setpgid(0, 0 <unfinished ...>
[pid  5823] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached
 <unfinished ...>
[pid  5827] <... setpgid resumed>)      = 0
[pid  5821] <... clone resumed>, child_tidptr=0x5555837f4650) = 5828
./strace-static-x86_64: Process 5828 attached
[pid  5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5825] <... chdir resumed>)        = 0
[pid  5824] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5828] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5825] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5824] <... prctl resumed>)        = 0
[pid  5828] <... set_robust_list resumed>) = 0
[pid  5825] <... prctl resumed>)        = 0
[pid  5824] setpgid(0, 0 <unfinished ...>
[pid  5829] set_robust_list(0x5555837f4660, 24 <unfinished ...>
[pid  5828] chdir("./0" <unfinished ...>
[pid  5827] <... openat resumed>)       = 3
[pid  5825] setpgid(0, 0 <unfinished ...>
[pid  5824] <... setpgid resumed>)      = 0
[pid  5829] <... set_robust_list resumed>) = 0
[pid  5828] <... chdir resumed>)        = 0
[pid  5827] write(3, "1000", 4 <unfinished ...>
[pid  5825] <... setpgid resumed>)      = 0
[pid  5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5823] <... clone resumed>, child_tidptr=0x5555837f4650) = 5829
[pid  5829] chdir("./0" <unfinished ...>
[pid  5828] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5827] <... write resumed>)        = 4
[pid  5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5829] <... chdir resumed>)        = 0
[pid  5828] <... prctl resumed>)        = 0
[pid  5827] close(3 <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[pid  5824] <... openat resumed>)       = 3
[pid  5829] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5828] setpgid(0, 0 <unfinished ...>
[pid  5827] <... close resumed>)        = 0
[pid  5825] write(3, "1000", 4 <unfinished ...>
[pid  5824] write(3, "1000", 4 <unfinished ...>
[pid  5829] <... prctl resumed>)        = 0
[pid  5828] <... setpgid resumed>)      = 0
[pid  5827] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5825] <... write resumed>)        = 4
[pid  5824] <... write resumed>)        = 4
[pid  5829] setpgid(0, 0 <unfinished ...>
[pid  5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5827] <... symlink resumed>)      = 0
[pid  5825] close(3 <unfinished ...>
[pid  5824] close(3 <unfinished ...>
[pid  5829] <... setpgid resumed>)      = 0
[pid  5828] <... openat resumed>)       = 3
[pid  5825] <... close resumed>)        = 0
[pid  5824] <... close resumed>)        = 0
[pid  5825] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5828] write(3, "1000", 4 <unfinished ...>
[pid  5824] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
 <unfinished ...>
[pid  5828] <... write resumed>)        = 4
[pid  5824] <... symlink resumed>)      = 0
[pid  5829] <... openat resumed>)       = 3
[pid  5828] close(3 <unfinished ...>
[pid  5825] <... symlink resumed>)      = 0
[pid  5828] <... close resumed>)        = 0
[pid  5825] write(1, "executing program\n", 18 <unfinished ...>
[pid  5828] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5825] <... write resumed>)        = 18
[pid  5824] write(1, "executing program\n", 18executing program
executing program
 <unfinished ...>
[pid  5829] write(3, "1000", 4 <unfinished ...>
[pid  5828] <... symlink resumed>)      = 0
[pid  5827] write(1, "executing program\n", 18 <unfinished ...>
[pid  5824] <... write resumed>)        = 18
[pid  5829] <... write resumed>)        = 4
[pid  5827] <... write resumed>)        = 18
[pid  5825] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5829] close(3executing program
 <unfinished ...>
[pid  5828] write(1, "executing program\n", 18 <unfinished ...>
[pid  5827] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5824] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5829] <... close resumed>)        = 0
[pid  5828] <... write resumed>)        = 18
[pid  5825] <... memfd_create resumed>) = 3
[pid  5829] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5828] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5827] <... memfd_create resumed>) = 3
[pid  5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5828] <... memfd_create resumed>) = 3
[pid  5825] <... mmap resumed>)         = 0x7fd505800000
[pid  5824] <... memfd_create resumed>) = 3
[pid  5829] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5829] <... write resumed>)        = 18
[pid  5827] <... mmap resumed>)         = 0x7fd505800000
[pid  5829] memfd_create("syzkaller", 0) = 3
[pid  5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd505800000
[pid  5824] <... mmap resumed>)         = 0x7fd505800000
[pid  5828] <... mmap resumed>)         = 0x7fd505800000
[pid  5824] 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  5829] 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  5828] 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  5827] 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  5825] 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  5824] <... write resumed>)        = 16777216
[pid  5824] munmap(0x7fd505800000, 138412032) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid  5824] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5824] close(3)                    = 0
[pid  5824] close(4)                    = 0
[pid  5824] mkdir("./file1", 0777)      = 0
[   63.844307][ T5824] loop1: detected capacity change from 0 to 32768
[pid  5824] mount("/dev/loop1", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity") = 0
[pid  5824] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5824] chdir("./file1")            = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] exit_group(0)               = ?
[pid  5824] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=22 /* 0.22 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5820] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5820] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5820] getdents64(3, 0x5555837f56f0 /* 4 entries */, 32768) = 112
[pid  5820] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5820] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5820] unlink("./0/binderfs")      = 0
[pid  5820] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid  5820] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5820] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5820] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5820] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5820] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5820] getdents64(4, 0x5555837fd730 /* 2 entries */, 32768) = 48
[pid  5820] getdents64(4, 0x5555837fd730 /* 0 entries */, 32768) = 0
[pid  5820] close(4)                    = 0
[pid  5820] rmdir("./0/file1")          = 0
[pid  5820] getdents64(3, 0x5555837f56f0 /* 0 entries */, 32768) = 0
[pid  5820] close(3)                    = 0
[pid  5820] rmdir("./0")                = 0
[pid  5820] mkdir("./1", 0777)          = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5820] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5820] close(3)                    = 0
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached
, child_tidptr=0x5555837f4650) = 5830
[pid  5830] set_robust_list(0x5555837f4660, 24) = 0
[pid  5830] chdir("./1")                = 0
[pid  5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5830] setpgid(0, 0)               = 0
[pid  5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "1000", 4)         = 4
[pid  5830] close(3)                    = 0
[pid  5830] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5830] write(1, "executing program\n", 18) = 18
[pid  5830] memfd_create("syzkaller", 0) = 3
[pid  5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd505800000
[pid  5828] <... write resumed>)        = 16777216
[pid  5829] <... write resumed>)        = 16777216
[pid  5829] munmap(0x7fd505800000, 138412032 <unfinished ...>
[pid  5828] munmap(0x7fd505800000, 138412032) = 0
[pid  5829] <... munmap resumed>)       = 0
[pid  5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5827] <... write resumed>)        = 16777216
[pid  5829] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5828] <... openat resumed>)       = 4
[pid  5829] <... openat resumed>)       = 4
[pid  5828] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5829] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5827] munmap(0x7fd505800000, 138412032 <unfinished ...>
[pid  5825] <... write resumed>)        = 16777216
[pid  5829] <... ioctl resumed>)        = 0
[pid  5828] <... ioctl resumed>)        = 0
[pid  5828] close(3)                    = 0
[pid  5828] close(4)                    = 0
[pid  5828] mkdir("./file1", 0777)      = 0
[pid  5829] close(3)                    = 0
[pid  5829] close(4)                    = 0
[pid  5829] mkdir("./file1", 0777)      = 0
[pid  5828] mount("/dev/loop2", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5825] munmap(0x7fd505800000, 138412032 <unfinished ...>
[pid  5829] mount("/dev/loop4", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5828] <... mount resumed>)        = 0
[pid  5828] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5828] chdir("./file1")            = 0
[pid  5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5829] <... mount resumed>)        = 0
[pid  5828] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5829] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5828] exit_group(0 <unfinished ...>
[pid  5829] <... openat resumed>)       = 3
[pid  5828] <... exit_group resumed>)   = ?
[pid  5829] chdir("./file1")            = 0
[   64.079747][ T5828] loop2: detected capacity change from 0 to 32768
[   64.087784][ T5829] loop4: detected capacity change from 0 to 32768
[pid  5829] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5829] exit_group(0)               = ?
[pid  5828] +++ exited with 0 +++
[pid  5827] <... munmap resumed>)       = 0
[pid  5829] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=17 /* 0.17 s */} ---
[pid  5823] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=19 /* 0.19 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5823] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5825] <... munmap resumed>)       = 0
[pid  5827] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5823] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5821] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] <... openat resumed>)       = 4
[pid  5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5823] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5827] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5823] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5821] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5823] <... openat resumed>)       = 3
[pid  5821] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5823] newfstatat(3, "",  <unfinished ...>
[pid  5821] <... openat resumed>)       = 3
[pid  5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5823] getdents64(3,  <unfinished ...>
[pid  5821] newfstatat(3, "",  <unfinished ...>
[pid  5823] <... getdents64 resumed>0x5555837f56f0 /* 4 entries */, 32768) = 112
[pid  5821] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5823] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5821] getdents64(3,  <unfinished ...>
[pid  5823] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5821] <... getdents64 resumed>0x5555837f56f0 /* 4 entries */, 32768) = 112
[pid  5827] <... ioctl resumed>)        = 0
[pid  5825] <... openat resumed>)       = 4
[pid  5823] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5821] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5821] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5823] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5821] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5823] unlink("./0/binderfs" <unfinished ...>
[pid  5821] unlink("./0/binderfs" <unfinished ...>
[pid  5823] <... unlink resumed>)       = 0
[pid  5821] <... unlink resumed>)       = 0
[pid  5821] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5825] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[   64.154930][ T5827] loop3: detected capacity change from 0 to 32768
[   64.175052][ T5823] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI
[   64.175071][ T5825] loop0: detected capacity change from 0 to 32768
[   64.194184][ T5823] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   64.202621][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz-executor218 Not tainted 6.12.0-syzkaller-11677-g2ba9f676d0a2 #0
[   64.213409][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   64.223488][ T5823] RIP: 0010:lmLogSync+0x228/0xae0
[   64.228566][ T5823] 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 46 8f 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 29 8f d0 fe 48 8b 3b e8 71 ff a0
[   64.248195][ T5823] RSP: 0018:ffffc90003cefa40 EFLAGS: 00010206
[   64.254292][ T5823] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff888011811e00
[   64.262286][ T5823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   64.270374][ T5823] RBP: ffffc90003cefb48 R08: ffffffff81ce0f0e R09: 0000000000000000
[   64.278373][ T5823] R10: ffffc90003cef828 R11: fffff5200079df34 R12: ffff888027d55000
[   64.286372][ T5823] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888033628838
[   64.294417][ T5823] FS:  00005555837f4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[pid  5823] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <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  5827] close(3 <unfinished ...>
[pid  5825] <... ioctl resumed>)        = 0
[pid  5827] <... close resumed>)        = 0
[pid  5827] close(4 <unfinished ...>
[pid  5825] close(3 <unfinished ...>
[pid  5827] <... close resumed>)        = 0
[pid  5825] <... close resumed>)        = 0
[pid  5827] mkdir("./file1", 0777 <unfinished ...>
[pid  5825] close(4 <unfinished ...>
[pid  5827] <... mkdir resumed>)        = 0
[pid  5825] <... close resumed>)        = 0
[pid  5827] mount("/dev/loop3", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5825] mkdir("./file1", 0777)      = 0
[   64.303481][ T5823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.310093][ T5823] CR2: 00007ffd3dcf8e58 CR3: 0000000077830000 CR4: 00000000003526f0
[   64.318616][ T5823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   64.326625][ T5823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   64.334615][ T5823] Call Trace:
[   64.337907][ T5823]  <TASK>
[   64.340846][ T5823]  ? __die_body+0x5f/0xb0
[   64.345192][ T5823]  ? die_addr+0xb0/0xe0
[   64.349371][ T5823]  ? exc_general_protection+0x3dd/0x5d0
[pid  5825] mount("/dev/loop0", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5830] <... write resumed>)        = 16777216
[pid  5830] munmap(0x7fd505800000, 138412032) = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[   64.354957][ T5823]  ? asm_exc_general_protection+0x26/0x30
[   64.360710][ T5823]  ? filemap_flush+0x17e/0x260
[   64.365590][ T5823]  ? lmLogSync+0x228/0xae0
[   64.370026][ T5823]  ? __pfx_lmLogSync+0x10/0x10
[   64.374799][ T5823]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[   64.380716][ T5823]  jfs_syncpt+0x7d/0xa0
[   64.385330][ T5823]  jfs_sync_fs+0x8a/0xa0
[   64.389592][ T5823]  sync_filesystem+0xed/0x230
[   64.394292][ T5823]  generic_shutdown_super+0x72/0x2d0
[   64.399614][ T5823]  kill_block_super+0x44/0x90
[pid  5830] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5830] close(3)                    = 0
[pid  5830] close(4)                    = 0
[pid  5830] mkdir("./file1", 0777)      = 0
[   64.401783][ T5830] loop1: detected capacity change from 0 to 32768
[   64.404309][ T5823]  deactivate_locked_super+0xc4/0x130
[   64.416184][ T5823]  cleanup_mnt+0x41f/0x4b0
[   64.420809][ T5823]  ? lockdep_hardirqs_on+0x99/0x150
[   64.426050][ T5823]  task_work_run+0x24f/0x310
[   64.430667][ T5823]  ? __pfx_task_work_run+0x10/0x10
[   64.435807][ T5823]  ? path_umount+0x284/0xf70
[   64.440427][ T5823]  ptrace_notify+0x2d2/0x380
[   64.445076][ T5823]  ? __pfx_ptrace_notify+0x10/0x10
[   64.450219][ T5823]  ? kmem_cache_free+0x195/0x410
[   64.455184][ T5823]  ? __x64_sys_umount+0x123/0x170
[   64.460230][ T5823]  syscall_exit_work+0xc7/0x1d0
[   64.465075][ T5823]  syscall_exit_to_user_mode+0x24a/0x340
[   64.470712][ T5823]  do_syscall_64+0x100/0x230
[   64.475285][ T5823]  ? clear_bhb_loop+0x35/0x90
[   64.479943][ T5823]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   64.485823][ T5823] RIP: 0033:0x7fd50dc7b4b7
[   64.490234][ T5823] 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
[   64.510170][ T5823] RSP: 002b:00007ffe328c6b68 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   64.518579][ T5823] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd50dc7b4b7
[   64.526997][ T5823] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe328c6c20
[   64.534954][ T5823] RBP: 00007ffe328c6c20 R08: 0000000000000000 R09: 0000000000000000
[   64.542907][ T5823] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe328c7c80
[   64.550862][ T5823] R13: 00005555837f56c0 R14: 0000000000000001 R15: 431bde82d7b634db
[   64.558840][ T5823]  </TASK>
[   64.561850][ T5823] Modules linked in:
[   64.566287][ T5823] ---[ end trace 0000000000000000 ]---
[   64.572826][ T5823] RIP: 0010:lmLogSync+0x228/0xae0
[   64.578515][ T5823] 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 46 8f 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 29 8f d0 fe 48 8b 3b e8 71 ff a0
[   64.598252][ T5823] RSP: 0018:ffffc90003cefa40 EFLAGS: 00010206
[   64.604569][ T5823] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff888011811e00
[   64.612652][ T5823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   64.620693][ T5823] RBP: ffffc90003cefb48 R08: ffffffff81ce0f0e R09: 0000000000000000
[   64.628987][ T5823] R10: ffffc90003cef828 R11: fffff5200079df34 R12: ffff888027d55000
[   64.637096][ T5823] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888033628838
[   64.645116][ T5823] FS:  00005555837f4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[   64.654053][ T5823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.660698][ T5823] CR2: 00007ffd3dcf8e58 CR3: 0000000077830000 CR4: 00000000003526f0
[   64.668793][ T5823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   64.676825][ T5823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   64.684832][ T5823] Kernel panic - not syncing: Fatal exception
[   64.691181][ T5823] Kernel Offset: disabled
[   64.695508][ T5823] Rebooting in 86400 seconds..