./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor259839040

<...>
Warning: Permanently added '10.128.1.209' (ED25519) to the list of known hosts.
execve("./syz-executor259839040", ["./syz-executor259839040"], 0x7ffc2964fe20 /* 10 vars */) = 0
brk(NULL)                               = 0x555556967000
brk(0x555556967d00)                     = 0x555556967d00
arch_prctl(ARCH_SET_FS, 0x555556967380) = 0
set_tid_address(0x555556967650)         = 5839
set_robust_list(0x555556967660, 24)     = 0
rseq(0x555556967ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor259839040", 4096) = 27
getrandom("\x3b\x4e\x4d\x11\x66\xe0\xee\x7d", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556967d00
brk(0x555556988d00)                     = 0x555556988d00
brk(0x555556989000)                     = 0x555556989000
mprotect(0x7f99f827f000, 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 5840 attached
, child_tidptr=0x555556967650) = 5840
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] set_robust_list(0x555556967660, 24) = 0
[pid  5840] mkdir("./syzkaller.tikaIL", 0700./strace-static-x86_64: Process 5841 attached
 <unfinished ...>
[pid  5841] set_robust_list(0x555556967660, 24) = 0
[pid  5841] mkdir("./syzkaller.e9w5A2", 0700 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555556967650) = 5841
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached
 <unfinished ...>
[pid  5842] set_robust_list(0x555556967660, 24) = 0
[pid  5839] <... clone resumed>, child_tidptr=0x555556967650) = 5842
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5842] mkdir("./syzkaller.3ZzG9j", 0700 <unfinished ...>
[pid  5841] <... mkdir resumed>)        = 0
[pid  5840] <... mkdir resumed>)        = 0
[pid  5841] chmod("./syzkaller.e9w5A2", 0777 <unfinished ...>
[pid  5842] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5843 attached
[pid  5841] <... chmod resumed>)        = 0
[pid  5839] <... clone resumed>, child_tidptr=0x555556967650) = 5843
[pid  5843] set_robust_list(0x555556967660, 24 <unfinished ...>
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5841] chdir("./syzkaller.e9w5A2" <unfinished ...>
[pid  5840] chmod("./syzkaller.tikaIL", 0777 <unfinished ...>
[pid  5843] <... set_robust_list resumed>) = 0
[pid  5842] chmod("./syzkaller.3ZzG9j", 0777 <unfinished ...>
[pid  5841] <... chdir resumed>)        = 0
[pid  5840] <... chmod resumed>)        = 0
[pid  5842] <... chmod resumed>)        = 0
[pid  5840] chdir("./syzkaller.tikaIL"./strace-static-x86_64: Process 5844 attached
 <unfinished ...>
[pid  5843] mkdir("./syzkaller.lmoVeF", 0700 <unfinished ...>
[pid  5841] mkdir("./0", 0777 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555556967650) = 5844
[pid  5844] set_robust_list(0x555556967660, 24 <unfinished ...>
[pid  5842] chdir("./syzkaller.3ZzG9j" <unfinished ...>
[pid  5840] <... chdir resumed>)        = 0
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5843] <... mkdir resumed>)        = 0
[pid  5842] <... chdir resumed>)        = 0
[pid  5840] mkdir("./0", 0777 <unfinished ...>
[pid  5841] <... mkdir resumed>)        = 0
[pid  5843] chmod("./syzkaller.lmoVeF", 0777 <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5844] mkdir("./syzkaller.0aCOyH", 0700 <unfinished ...>
[pid  5842] mkdir("./0", 0777 <unfinished ...>
[pid  5844] <... mkdir resumed>)        = 0
[pid  5843] <... chmod resumed>)        = 0
[pid  5841] <... openat resumed>)       = 3
[pid  5844] chmod("./syzkaller.0aCOyH", 0777 <unfinished ...>
[pid  5843] chdir("./syzkaller.lmoVeF" <unfinished ...>
[pid  5842] <... mkdir resumed>)        = 0
[pid  5841] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5840] <... mkdir resumed>)        = 0
[pid  5844] <... chmod resumed>)        = 0
[pid  5843] <... chdir resumed>)        = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5841] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5844] chdir("./syzkaller.0aCOyH" <unfinished ...>
[pid  5843] mkdir("./0", 0777 <unfinished ...>
[pid  5842] <... openat resumed>)       = 3
[pid  5844] <... chdir resumed>)        = 0
[pid  5844] mkdir("./0", 0777 <unfinished ...>
[pid  5843] <... mkdir resumed>)        = 0
[pid  5841] close(3 <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5842] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5842] close(3 <unfinished ...>
[pid  5841] <... close resumed>)        = 0
[pid  5844] <... mkdir resumed>)        = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5842] <... close resumed>)        = 0
[pid  5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 5845 attached
./strace-static-x86_64: Process 5846 attached
[pid  5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5843] <... openat resumed>)       = 3
[pid  5840] close(3 <unfinished ...>
[pid  5846] set_robust_list(0x555556967660, 24 <unfinished ...>
[pid  5845] set_robust_list(0x555556967660, 24 <unfinished ...>
[pid  5843] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5840] <... close resumed>)        = 0
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5845] <... set_robust_list resumed>) = 0
[pid  5844] <... openat resumed>)       = 3
[pid  5843] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5842] <... clone resumed>, child_tidptr=0x555556967650) = 5845
[pid  5841] <... clone resumed>, child_tidptr=0x555556967650) = 5846
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5846] chdir("./0" <unfinished ...>
[pid  5845] chdir("./0" <unfinished ...>
[pid  5843] close(3 <unfinished ...>
[pid  5846] <... chdir resumed>)        = 0
[pid  5845] <... chdir resumed>)        = 0
[pid  5843] <... close resumed>)        = 0
./strace-static-x86_64: Process 5847 attached
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5844] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5847] set_robust_list(0x555556967660, 24./strace-static-x86_64: Process 5848 attached
) = 0
[pid  5846] <... prctl resumed>)        = 0
[pid  5845] <... prctl resumed>)        = 0
[pid  5844] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5840] <... clone resumed>, child_tidptr=0x555556967650) = 5847
[pid  5847] chdir("./0" <unfinished ...>
[pid  5846] setpgid(0, 0 <unfinished ...>
[pid  5844] close(3 <unfinished ...>
[pid  5848] set_robust_list(0x555556967660, 24 <unfinished ...>
[pid  5847] <... chdir resumed>)        = 0
[pid  5845] setpgid(0, 0 <unfinished ...>
[pid  5848] <... set_robust_list resumed>) = 0
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] <... setpgid resumed>)      = 0
[pid  5844] <... close resumed>)        = 0
[pid  5847] <... prctl resumed>)        = 0
[pid  5846] <... setpgid resumed>)      = 0
[pid  5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5848] chdir("./0" <unfinished ...>
[pid  5847] setpgid(0, 0 <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5845] <... openat resumed>)       = 3
[pid  5843] <... clone resumed>, child_tidptr=0x555556967650) = 5848
[pid  5846] <... openat resumed>)       = 3
[pid  5845] write(3, "1000", 4 <unfinished ...>
[pid  5846] write(3, "1000", 4 <unfinished ...>
[pid  5845] <... write resumed>)        = 4
./strace-static-x86_64: Process 5849 attached
[pid  5848] <... chdir resumed>)        = 0
[pid  5847] <... setpgid resumed>)      = 0
[pid  5846] <... write resumed>)        = 4
[pid  5845] close(3 <unfinished ...>
[pid  5849] set_robust_list(0x555556967660, 24 <unfinished ...>
[pid  5848] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5846] close(3 <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5844] <... clone resumed>, child_tidptr=0x555556967650) = 5849
[pid  5849] <... set_robust_list resumed>) = 0
[pid  5848] <... prctl resumed>)        = 0
[pid  5847] <... openat resumed>)       = 3
[pid  5846] <... close resumed>)        = 0
[pid  5845] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5849] chdir("./0" <unfinished ...>
[pid  5848] setpgid(0, 0 <unfinished ...>
[pid  5847] write(3, "1000", 4 <unfinished ...>
[pid  5846] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5845] <... symlink resumed>)      = 0
[pid  5849] <... chdir resumed>)        = 0
[pid  5848] <... setpgid resumed>)      = 0
[pid  5847] <... write resumed>)        = 4
[pid  5847] close(3 <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5847] <... close resumed>)        = 0
[pid  5846] <... symlink resumed>)      = 0
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5849] <... prctl resumed>)        = 0
[pid  5848] <... openat resumed>)       = 3
[pid  5847] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5845] <... write resumed>)        = 18
[pid  5849] setpgid(0, 0)               = 0
[pid  5847] <... symlink resumed>)      = 0
[pid  5846] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5845] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5848] write(3, "1000", 4 <unfinished ...>
[pid  5846] <... write resumed>)        = 18
[pid  5848] <... write resumed>)        = 4
[pid  5847] write(1, "executing program\n", 18 <unfinished ...>
[pid  5846] memfd_create("syzkaller", 0executing program
 <unfinished ...>
[pid  5845] <... memfd_create resumed>) = 3
[pid  5849] <... openat resumed>)       = 3
[pid  5848] close(3 <unfinished ...>
[pid  5847] <... write resumed>)        = 18
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5848] <... close resumed>)        = 0
[pid  5847] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5846] <... memfd_create resumed>) = 3
[pid  5845] <... mmap resumed>)         = 0x7f99efdbe000
[pid  5849] write(3, "1000", 4 <unfinished ...>
[pid  5848] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5847] <... memfd_create resumed>) = 3
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5849] <... write resumed>)        = 4
[pid  5848] <... symlink resumed>)      = 0
[pid  5846] <... mmap resumed>)         = 0x7f99efdbe000
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5849] close(3 <unfinished ...>
[pid  5847] <... mmap resumed>)         = 0x7f99efdbe000
[pid  5849] <... close resumed>)        = 0
[pid  5848] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5849] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5848] <... write resumed>)        = 18
[pid  5848] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5849] <... symlink resumed>)      = 0
[pid  5848] <... memfd_create resumed>) = 3
[pid  5849] write(1, "executing program\n", 18 <unfinished ...>
[pid  5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program
 <unfinished ...>
[pid  5849] <... write resumed>)        = 18
[pid  5848] <... mmap resumed>)         = 0x7f99efdbe000
[pid  5849] memfd_create("syzkaller", 0) = 3
[pid  5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99efdbe000
[pid  5846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5847] 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  5848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5849] 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  5846] <... write resumed>)        = 16777216
[pid  5846] munmap(0x7f99efdbe000, 138412032 <unfinished ...>
[pid  5849] <... write resumed>)        = 16777216
[pid  5849] munmap(0x7f99efdbe000, 138412032 <unfinished ...>
[pid  5846] <... munmap resumed>)       = 0
[pid  5845] <... write resumed>)        = 16777216
[pid  5845] munmap(0x7f99efdbe000, 138412032 <unfinished ...>
[pid  5846] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid  5846] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5849] <... munmap resumed>)       = 0
[pid  5848] <... write resumed>)        = 16777216
[pid  5847] <... write resumed>)        = 16777216
[pid  5846] <... ioctl resumed>)        = 0
[pid  5849] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5848] munmap(0x7f99efdbe000, 138412032 <unfinished ...>
[pid  5847] munmap(0x7f99efdbe000, 138412032 <unfinished ...>
[pid  5846] close(3 <unfinished ...>
[pid  5845] <... munmap resumed>)       = 0
[pid  5849] <... openat resumed>)       = 4
[pid  5849] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5849] <... ioctl resumed>)        = 0
[pid  5846] <... close resumed>)        = 0
[pid  5845] <... openat resumed>)       = 4
[pid  5849] close(3 <unfinished ...>
[  100.951740][ T5846] loop1: detected capacity change from 0 to 32768
[  100.984058][ T5849] loop4: detected capacity change from 0 to 32768
[pid  5845] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5849] <... close resumed>)        = 0
[pid  5846] close(4 <unfinished ...>
[pid  5849] close(4 <unfinished ...>
[pid  5846] <... close resumed>)        = 0
[pid  5849] <... close resumed>)        = 0
[pid  5846] mkdir("./file1", 0777 <unfinished ...>
[pid  5849] mkdir("./file1", 0777 <unfinished ...>
[pid  5846] <... mkdir resumed>)        = 0
[pid  5845] <... ioctl resumed>)        = 0
[pid  5849] <... mkdir resumed>)        = 0
[pid  5845] close(3 <unfinished ...>
[pid  5849] mount("/dev/loop4", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5846] mount("/dev/loop1", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5845] close(4)                    = 0
[pid  5845] mkdir("./file1", 0777)      = 0
[pid  5848] <... munmap resumed>)       = 0
[pid  5847] <... munmap resumed>)       = 0
[pid  5845] mount("/dev/loop2", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[  101.007411][ T5845] loop2: detected capacity change from 0 to 32768
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5847] <... openat resumed>)       = 4
[pid  5848] <... openat resumed>)       = 4
[pid  5847] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5848] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5846] <... mount resumed>)        = 0
[pid  5849] <... mount resumed>)        = 0
[pid  5847] <... ioctl resumed>)        = 0
[pid  5848] <... ioctl resumed>)        = 0
[pid  5846] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5849] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5848] close(3 <unfinished ...>
[pid  5847] close(3 <unfinished ...>
[pid  5848] <... close resumed>)        = 0
[pid  5847] <... close resumed>)        = 0
[pid  5848] close(4 <unfinished ...>
[pid  5847] close(4 <unfinished ...>
[pid  5848] <... close resumed>)        = 0
[pid  5847] <... close resumed>)        = 0
[pid  5849] <... openat resumed>)       = 3
[pid  5848] mkdir("./file1", 0777 <unfinished ...>
[pid  5847] mkdir("./file1", 0777 <unfinished ...>
[pid  5849] chdir("./file1" <unfinished ...>
[pid  5848] <... mkdir resumed>)        = 0
[pid  5847] <... mkdir resumed>)        = 0
[pid  5846] <... openat resumed>)       = 3
[pid  5849] <... chdir resumed>)        = 0
[pid  5849] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5848] mount("/dev/loop3", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5847] mount("/dev/loop0", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5846] chdir("./file1" <unfinished ...>
[pid  5849] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[  101.083053][ T5847] loop0: detected capacity change from 0 to 32768
[  101.084443][ T5848] loop3: detected capacity change from 0 to 32768
[pid  5849] exit_group(0 <unfinished ...>
[pid  5846] <... chdir resumed>)        = 0
[pid  5849] <... exit_group resumed>)   = ?
[pid  5849] +++ exited with 0 +++
[pid  5846] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} ---
[pid  5846] exit_group(0 <unfinished ...>
[pid  5845] <... mount resumed>)        = 0
[pid  5845] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5846] <... exit_group resumed>)   = ?
[pid  5845] <... openat resumed>)       = 3
[pid  5844] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5846] +++ exited with 0 +++
[pid  5845] chdir("./file1" <unfinished ...>
[pid  5844] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5845] <... chdir resumed>)        = 0
[pid  5844] <... openat resumed>)       = 3
[pid  5845] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5844] newfstatat(3, "",  <unfinished ...>
[pid  5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} ---
[pid  5847] <... mount resumed>)        = 0
[pid  5845] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5841] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5845] exit_group(0 <unfinished ...>
[pid  5844] getdents64(3,  <unfinished ...>
[pid  5845] <... exit_group resumed>)   = ?
[pid  5848] <... mount resumed>)        = 0
[pid  5845] +++ exited with 0 +++
[pid  5844] <... getdents64 resumed>0x5555569686f0 /* 4 entries */, 32768) = 112
[pid  5841] <... restart_syscall resumed>) = 0
[pid  5848] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5847] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5844] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=39 /* 0.39 s */} ---
[pid  5848] <... openat resumed>)       = 3
[pid  5847] <... openat resumed>)       = 3
[pid  5847] chdir("./file1" <unfinished ...>
[pid  5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5848] chdir("./file1" <unfinished ...>
[pid  5847] <... chdir resumed>)        = 0
[pid  5842] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5848] <... chdir resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5842] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5847] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5842] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5841] <... openat resumed>)       = 3
[pid  5847] exit_group(0 <unfinished ...>
[pid  5842] <... openat resumed>)       = 3
[pid  5841] newfstatat(3, "",  <unfinished ...>
[pid  5848] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5847] <... exit_group resumed>)   = ?
[pid  5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5848] exit_group(0 <unfinished ...>
[pid  5842] getdents64(3,  <unfinished ...>
[pid  5841] getdents64(3,  <unfinished ...>
[pid  5848] <... exit_group resumed>)   = ?
[pid  5842] <... getdents64 resumed>0x5555569686f0 /* 4 entries */, 32768) = 112
[pid  5841] <... getdents64 resumed>0x5555569686f0 /* 4 entries */, 32768) = 112
[pid  5842] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] +++ exited with 0 +++
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} ---
[pid  5840] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5840] newfstatat(3, "",  <unfinished ...>
[pid  5848] +++ exited with 0 +++
[pid  5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=31 /* 0.31 s */} ---
[pid  5843] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] getdents64(3,  <unfinished ...>
[pid  5843] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5843] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5840] <... getdents64 resumed>0x5555569686f0 /* 4 entries */, 32768) = 112
[pid  5843] <... openat resumed>)       = 3
[pid  5840] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5843] getdents64(3, 0x5555569686f0 /* 4 entries */, 32768) = 112
[  101.281267][ T5842] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
[  101.281295][ T5842] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[  101.281322][ T5842] CPU: 1 UID: 0 PID: 5842 Comm: syz-executor259 Tainted: G        W           6.17.0-rc1-syzkaller #0 PREEMPT_{RT,(full)} 
[  101.281354][ T5842] Tainted: [W]=WARN
[  101.281362][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  101.281375][ T5842] RIP: 0010:lmLogSync+0x22e/0x9d0
[  101.281413][ T5842] Code: ff bd fe 4d 8d 7e f0 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 50 bd e6 fe 4d 8b 3f 49 83 c7 30 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 34 bd e6 fe 49 8b 3f e8 ac ff bd fe
[  101.281432][ T5842] RSP: 0018:ffffc90004997a80 EFLAGS: 00010206
[  101.281452][ T5842] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff88803250d940
[  101.281468][ T5842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  101.281481][ T5842] RBP: ffffc90004997b88 R08: 0000000000000000 R09: 0000000000000000
[  101.281494][ T5842] R10: ffffc90004997868 R11: fffff52000932f3a R12: 0000000000000000
[  101.281508][ T5842] R13: ffff8880288c9800 R14: ffff888023426c38 R15: 0000000000000030
[  101.281524][ T5842] FS:  0000555556967380(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
[  101.281543][ T5842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.281558][ T5842] CR2: 00007ff805b40000 CR3: 000000004156c000 CR4: 00000000003526f0
[  101.281578][ T5842] Call Trace:
[  101.281586][ T5842]  <TASK>
[  101.281595][ T5842]  ? jfs_syncpt+0x25/0x90
[  101.281629][ T5842]  ? __pfx_lmLogSync+0x10/0x10
[  101.281664][ T5842]  ? jfs_syncpt+0x25/0x90
[  101.281699][ T5842]  jfs_syncpt+0x7b/0x90
[  101.281732][ T5842]  jfs_sync_fs+0x87/0xa0
[  101.281757][ T5842]  sync_filesystem+0x1ce/0x250
[  101.281792][ T5842]  generic_shutdown_super+0x6f/0x2c0
[  101.281818][ T5842]  kill_block_super+0x44/0x90
[  101.281846][ T5842]  deactivate_locked_super+0xbc/0x130
[  101.281870][ T5842]  cleanup_mnt+0x425/0x4c0
[  101.281891][ T5842]  ? lockdep_hardirqs_on+0x9c/0x150
[  101.281919][ T5842]  task_work_run+0x1d1/0x260
[  101.281943][ T5842]  ? __pfx_task_work_run+0x10/0x10
[  101.281967][ T5842]  ? path_umount+0x1ea/0xb70
[  101.281995][ T5842]  ptrace_notify+0x281/0x2c0
[  101.282023][ T5842]  ? __pfx_ptrace_notify+0x10/0x10
[  101.282051][ T5842]  ? __x64_sys_umount+0x122/0x160
[  101.282078][ T5842]  ? __pfx___x64_sys_umount+0x10/0x10
[  101.282109][ T5842]  syscall_exit_work+0xc6/0x1d0
[  101.282142][ T5842]  do_syscall_64+0x2ad/0x3b0
[  101.282170][ T5842]  ? lockdep_hardirqs_on+0x9c/0x150
[  101.282195][ T5842]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  101.282217][ T5842]  ? clear_bhb_loop+0x60/0xb0
[  101.282242][ T5842]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  101.282275][ T5842] RIP: 0033:0x7f99f82065b7
[  101.282301][ T5842] 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
[  101.282319][ T5842] RSP: 002b:00007ffcadbaa1f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  101.282341][ T5842] RAX: 0000000000000000 RBX: 000000000001848b RCX: 00007f99f82065b7
[  101.282355][ T5842] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcadbaa2b0
[  101.282369][ T5842] RBP: 00007ffcadbaa2b0 R08: 0000000000000000 R09: 0000000000000000
[  101.282382][ T5842] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffcadbab320
[  101.282397][ T5842] R13: 00005555569686c0 R14: 0000000000000001 R15: 431bde82d7b634db
[  101.282421][ T5842]  </TASK>
[  101.282429][ T5842] Modules linked in:
[  101.282450][ T5842] ---[ end trace 0000000000000000 ]---
[  101.282464][ T5842] RIP: 0010:lmLogSync+0x22e/0x9d0
[  101.282498][ T5842] Code: ff bd fe 4d 8d 7e f0 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 50 bd e6 fe 4d 8b 3f 49 83 c7 30 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 34 bd e6 fe 49 8b 3f e8 ac ff bd fe
[  101.282517][ T5842] RSP: 0018:ffffc90004997a80 EFLAGS: 00010206
[  101.282535][ T5842] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff88803250d940
[  101.282551][ T5842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  101.282564][ T5842] RBP: ffffc90004997b88 R08: 0000000000000000 R09: 0000000000000000
[  101.282579][ T5842] R10: ffffc90004997868 R11: fffff52000932f3a R12: 0000000000000000
[  101.282594][ T5842] R13: ffff8880288c9800 R14: ffff888023426c38 R15: 0000000000000030
[  101.282609][ T5842] FS:  0000555556967380(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
[  101.282628][ T5842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.282643][ T5842] CR2: 00007ff805b40000 CR3: 000000004156c000 CR4: 00000000003526f0
[  101.282664][ T5842] Kernel panic - not syncing: Fatal exception
[  101.282910][ T5842] Kernel Offset: disabled