./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3154308330

<...>
Warning: Permanently added '10.128.1.85' (ED25519) to the list of known hosts.
execve("./syz-executor3154308330", ["./syz-executor3154308330"], 0x7ffc85532c90 /* 10 vars */) = 0
brk(NULL)                               = 0x55556baca000
brk(0x55556bacad00)                     = 0x55556bacad00
arch_prctl(ARCH_SET_FS, 0x55556baca380) = 0
set_tid_address(0x55556baca650)         = 5839
set_robust_list(0x55556baca660, 24)     = 0
rseq(0x55556bacaca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3154308330", 4096) = 28
getrandom("\xec\xee\x6c\xfb\x69\x4c\x02\x84", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556bacad00
brk(0x55556baebd00)                     = 0x55556baebd00
brk(0x55556baec000)                     = 0x55556baec000
mprotect(0x7ff5742d4000, 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=0x55556baca650) = 5840
[pid  5840] set_robust_list(0x55556baca660, 24) = 0
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] mkdir("./syzkaller.Tvufex", 0700./strace-static-x86_64: Process 5841 attached
 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x55556baca650) = 5841
[pid  5841] set_robust_list(0x55556baca660, 24 <unfinished ...>
[pid  5840] <... mkdir resumed>)        = 0
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5840] chmod("./syzkaller.Tvufex", 0777) = 0
[pid  5841] mkdir("./syzkaller.vei22u", 0700 <unfinished ...>
[pid  5840] chdir("./syzkaller.Tvufex") = 0
./strace-static-x86_64: Process 5842 attached
[pid  5841] <... mkdir resumed>)        = 0
[pid  5840] mkdir("./0", 0777 <unfinished ...>
[pid  5841] chmod("./syzkaller.vei22u", 0777 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x55556baca650) = 5842
[pid  5842] set_robust_list(0x55556baca660, 24 <unfinished ...>
[pid  5841] <... chmod resumed>)        = 0
[pid  5841] chdir("./syzkaller.vei22u" <unfinished ...>
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5842] <... set_robust_list resumed>) = 0
[pid  5840] <... mkdir resumed>)        = 0
[pid  5841] <... chdir resumed>)        = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5842] mkdir("./syzkaller.jF3fgo", 0700 <unfinished ...>
[pid  5841] mkdir("./0", 0777 <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5841] <... mkdir resumed>)        = 0
[pid  5840] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5843 attached
)       = -1 ENXIO (No such device or address)
[pid  5843] set_robust_list(0x55556baca660, 24 <unfinished ...>
[pid  5842] <... mkdir resumed>)        = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5840] close(3 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x55556baca650) = 5843
[pid  5843] <... set_robust_list resumed>) = 0
[pid  5842] chmod("./syzkaller.jF3fgo", 0777 <unfinished ...>
[pid  5843] mkdir("./syzkaller.kJtN61", 0700 <unfinished ...>
[pid  5841] <... openat resumed>)       = 3
[pid  5840] <... close resumed>)        = 0
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5842] <... chmod resumed>)        = 0
./strace-static-x86_64: Process 5844 attached
[pid  5843] <... mkdir resumed>)        = 0
[pid  5842] chdir("./syzkaller.jF3fgo" <unfinished ...>
[pid  5841] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x55556baca650) = 5844
[pid  5844] set_robust_list(0x55556baca660, 24) = 0
[pid  5844] mkdir("./syzkaller.xNnMCk", 0700./strace-static-x86_64: Process 5845 attached
 <unfinished ...>
[pid  5843] chmod("./syzkaller.kJtN61", 0777 <unfinished ...>
[pid  5842] <... chdir resumed>)        = 0
[pid  5841] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5842] mkdir("./0", 0777 <unfinished ...>
[pid  5841] close(3 <unfinished ...>
[pid  5845] set_robust_list(0x55556baca660, 24 <unfinished ...>
[pid  5844] <... mkdir resumed>)        = 0
[pid  5842] <... mkdir resumed>)        = 0
[pid  5841] <... close resumed>)        = 0
[pid  5845] <... set_robust_list resumed>) = 0
[pid  5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5845] chdir("./0" <unfinished ...>
[pid  5843] <... chmod resumed>)        = 0
[pid  5840] <... clone resumed>, child_tidptr=0x55556baca650) = 5845
[pid  5845] <... chdir resumed>)        = 0
./strace-static-x86_64: Process 5847 attached
[pid  5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5845] setpgid(0, 0 <unfinished ...>
[pid  5843] chdir("./syzkaller.kJtN61" <unfinished ...>
[pid  5847] set_robust_list(0x55556baca660, 24 <unfinished ...>
[pid  5845] <... setpgid resumed>)      = 0
[pid  5842] <... openat resumed>)       = 3
[pid  5841] <... clone resumed>, child_tidptr=0x55556baca650) = 5847
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5844] chmod("./syzkaller.xNnMCk", 0777 <unfinished ...>
[pid  5843] <... chdir resumed>)        = 0
[pid  5847] chdir("./0" <unfinished ...>
[pid  5842] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5847] <... chdir resumed>)        = 0
[pid  5844] <... chmod resumed>)        = 0
[pid  5843] mkdir("./0", 0777 <unfinished ...>
[pid  5842] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5845] <... openat resumed>)       = 3
[pid  5843] <... mkdir resumed>)        = 0
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] write(3, "1000", 4 <unfinished ...>
[pid  5844] chdir("./syzkaller.xNnMCk" <unfinished ...>
[pid  5842] close(3 <unfinished ...>
[pid  5847] <... prctl resumed>)        = 0
[pid  5845] <... write resumed>)        = 4
[pid  5844] <... chdir resumed>)        = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5842] <... close resumed>)        = 0
[pid  5847] setpgid(0, 0 <unfinished ...>
[pid  5845] close(3 <unfinished ...>
[pid  5847] <... setpgid resumed>)      = 0
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5845] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5844] mkdir("./0", 0777 <unfinished ...>
[pid  5843] <... openat resumed>)       = 3
executing program
./strace-static-x86_64: Process 5848 attached
[pid  5845] <... symlink resumed>)      = 0
[pid  5844] <... mkdir resumed>)        = 0
[pid  5843] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5847] <... openat resumed>)       = 3
[pid  5845] write(1, "executing program\n", 18 <unfinished ...>
[pid  5848] set_robust_list(0x55556baca660, 24 <unfinished ...>
[pid  5847] write(3, "1000", 4 <unfinished ...>
[pid  5845] <... write resumed>)        = 18
[pid  5848] <... set_robust_list resumed>) = 0
[pid  5847] <... write resumed>)        = 4
executing program
[pid  5848] chdir("./0" <unfinished ...>
[pid  5847] close(3 <unfinished ...>
[pid  5845] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5843] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5842] <... clone resumed>, child_tidptr=0x55556baca650) = 5848
[pid  5847] <... close resumed>)        = 0
[pid  5847] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5843] close(3)                    = 0
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5848] <... chdir resumed>)        = 0
[pid  5847] <... symlink resumed>)      = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5848] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5847] write(1, "executing program\n", 18 <unfinished ...>
[pid  5845] <... memfd_create resumed>) = 3
[pid  5844] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5849 attached
[pid  5848] <... prctl resumed>)        = 0
[pid  5847] <... write resumed>)        = 18
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5848] setpgid(0, 0)               = 0
[pid  5845] <... mmap resumed>)         = 0x7ff56be00000
[pid  5849] set_robust_list(0x55556baca660, 24 <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5847] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5844] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5843] <... clone resumed>, child_tidptr=0x55556baca650) = 5849
[pid  5849] <... set_robust_list resumed>) = 0
[pid  5844] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5849] chdir("./0" <unfinished ...>
[pid  5844] close(3 <unfinished ...>
[pid  5849] <... chdir resumed>)        = 0
[pid  5844] <... close resumed>)        = 0
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached
 <unfinished ...>
[pid  5849] <... prctl resumed>)        = 0
[pid  5848] <... openat resumed>)       = 3
[pid  5847] <... memfd_create resumed>) = 3
[pid  5849] setpgid(0, 0)               = 0
[pid  5850] set_robust_list(0x55556baca660, 24 <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5850] <... set_robust_list resumed>) = 0
[pid  5849] <... openat resumed>)       = 3
[pid  5850] chdir("./0" <unfinished ...>
[pid  5848] write(3, "1000", 4 <unfinished ...>
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5850] <... chdir resumed>)        = 0
[pid  5849] write(3, "1000", 4 <unfinished ...>
[pid  5848] <... write resumed>)        = 4
[pid  5847] <... mmap resumed>)         = 0x7ff56be00000
[pid  5844] <... clone resumed>, child_tidptr=0x55556baca650) = 5850
[pid  5849] <... write resumed>)        = 4
[pid  5848] close(3 <unfinished ...>
[pid  5850] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5849] close(3 <unfinished ...>
[pid  5848] <... close resumed>)        = 0
[pid  5850] <... prctl resumed>)        = 0
[pid  5849] <... close resumed>)        = 0
[pid  5848] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5850] setpgid(0, 0 <unfinished ...>
[pid  5849] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5850] <... setpgid resumed>)      = 0
[pid  5848] <... symlink resumed>)      = 0
[pid  5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5849] <... symlink resumed>)      = 0
executing program
[pid  5850] write(3, "1000", 4 <unfinished ...>
[pid  5849] write(1, "executing program\n", 18 <unfinished ...>
[pid  5850] <... write resumed>)        = 4
[pid  5849] <... write resumed>)        = 18
[pid  5850] close(3 <unfinished ...>
[pid  5849] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5850] <... close resumed>)        = 0
[pid  5849] <... memfd_create resumed>) = 3
[pid  5850] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5850] <... symlink resumed>)      = 0
[pid  5849] <... mmap resumed>)         = 0x7ff56be00000
executing program
[pid  5850] write(1, "executing program\n", 18 <unfinished ...>
[pid  5848] write(1, "executing program\n", 18 <unfinished ...>
[pid  5850] <... write resumed>)        = 18
[pid  5850] memfd_create("syzkaller", 0) = 3
[pid  5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program
) = 0x7ff56be00000
[pid  5848] <... write resumed>)        = 18
[pid  5848] memfd_create("syzkaller", 0) = 3
[pid  5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff56be00000
[pid  5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <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  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  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  5850] <... write resumed>)        = 16777216
[pid  5850] munmap(0x7ff56be00000, 138412032) = 0
[pid  5850] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  5850] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5850] close(3)                    = 0
[pid  5850] close(4)                    = 0
[pid  5850] mkdir("./file1", 0777)      = 0
[pid  5850] mount("/dev/loop4", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5845] <... write resumed>)        = 16777216
[pid  5847] <... write resumed>)        = 16777216
[   93.244827][ T5850] loop4: detected capacity change from 0 to 32768
[pid  5845] munmap(0x7ff56be00000, 138412032 <unfinished ...>
[pid  5847] munmap(0x7ff56be00000, 138412032 <unfinished ...>
[pid  5845] <... munmap resumed>)       = 0
[pid  5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5847] <... munmap resumed>)       = 0
[pid  5845] <... openat resumed>)       = 4
[pid  5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5845] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5848] <... write resumed>)        = 16777216
[pid  5849] <... write resumed>)        = 16777216
[pid  5847] <... openat resumed>)       = 4
[pid  5845] <... ioctl resumed>)        = 0
[pid  5849] munmap(0x7ff56be00000, 138412032 <unfinished ...>
[pid  5847] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5845] close(3 <unfinished ...>
[pid  5848] munmap(0x7ff56be00000, 138412032 <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5850] <... mount resumed>)        = 0
[pid  5850] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5845] close(4 <unfinished ...>
[pid  5847] <... ioctl resumed>)        = 0
[pid  5850] <... openat resumed>)       = 3
[pid  5849] <... munmap resumed>)       = 0
[pid  5845] <... close resumed>)        = 0
[pid  5847] close(3)                    = 0
[pid  5847] close(4)                    = 0
[pid  5847] mkdir("./file1", 0777)      = 0
[pid  5850] chdir("./file1" <unfinished ...>
[pid  5847] mount("/dev/loop1", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5850] <... chdir resumed>)        = 0
[pid  5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5848] <... munmap resumed>)       = 0
[pid  5845] mkdir("./file1", 0777 <unfinished ...>
[pid  5850] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5849] <... openat resumed>)       = 4
[pid  5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5845] <... mkdir resumed>)        = 0
[   93.331509][ T5845] loop0: detected capacity change from 0 to 32768
[   93.349225][ T5847] loop1: detected capacity change from 0 to 32768
[pid  5850] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5849] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5848] <... openat resumed>)       = 4
[pid  5845] mount("/dev/loop0", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5847] <... mount resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5848] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5847] chdir("./file1" <unfinished ...>
[pid  5850] exit_group(0)               = ?
[pid  5847] <... chdir resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5847] exit_group(0)               = ?
[pid  5847] +++ exited with 0 +++
[pid  5850] +++ exited with 0 +++
[pid  5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} ---
[pid  5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=22 /* 0.22 s */} ---
[pid  5841] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5844] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5841] <... restart_syscall resumed>) = 0
[pid  5844] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5841] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5844] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
[pid  5841] <... openat resumed>)       = 3
[pid  5844] newfstatat(3, "",  <unfinished ...>
[pid  5841] newfstatat(3, "",  <unfinished ...>
[pid  5849] <... ioctl resumed>)        = 0
[pid  5844] <... newfstatat resumed>{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  5845] <... mount resumed>)        = 0
[pid  5844] getdents64(3,  <unfinished ...>
[pid  5841] getdents64(3,  <unfinished ...>
[pid  5849] close(3 <unfinished ...>
[pid  5845] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5844] <... getdents64 resumed>0x55556bacb6f0 /* 4 entries */, 32768) = 112
[pid  5841] <... getdents64 resumed>0x55556bacb6f0 /* 4 entries */, 32768) = 112
[pid  5849] <... close resumed>)        = 0
[pid  5848] <... ioctl resumed>)        = 0
[pid  5845] <... openat resumed>)       = 3
[pid  5844] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5849] close(4 <unfinished ...>
[pid  5848] close(3 <unfinished ...>
[pid  5845] chdir("./file1" <unfinished ...>
[pid  5849] <... close resumed>)        = 0
[pid  5848] <... close resumed>)        = 0
[pid  5845] <... chdir resumed>)        = 0
[pid  5849] mkdir("./file1", 0777 <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5849] <... mkdir resumed>)        = 0
[pid  5845] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5848] close(4 <unfinished ...>
[pid  5845] exit_group(0)               = ?
[pid  5848] <... close resumed>)        = 0
[pid  5848] mkdir("./file1", 0777 <unfinished ...>
[pid  5845] +++ exited with 0 +++
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=21 /* 0.21 s */} ---
[pid  5840] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5848] <... mkdir resumed>)        = 0
[   93.396259][ T5849] loop3: detected capacity change from 0 to 32768
[   93.406225][ T5848] loop2: detected capacity change from 0 to 32768
[pid  5849] mount("/dev/loop3", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5848] mount("/dev/loop2", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5840] <... restart_syscall resumed>) = 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, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5840] getdents64(3, 0x55556bacb6f0 /* 4 entries */, 32768) = 112
[   93.465697][ T5840] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
[   93.477937][ T5840] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   93.486410][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor315 Not tainted 6.15.0-rc7-next-20250526-syzkaller #0 PREEMPT(full) 
[   93.498529][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   93.508594][ T5840] RIP: 0010:lmLogSync+0x22e/0x9d0
[   93.513653][ T5840] Code: fe b6 fe 4d 8d 7e f0 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 30 bc e3 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 14 bc e3 fe 49 8b 3f e8 cc fd b6 fe
[   93.533264][ T5840] RSP: 0018:ffffc900044dfa80 EFLAGS: 00010206
[   93.539337][ T5840] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff888030a03c00
[   93.547309][ T5840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   93.555365][ T5840] RBP: ffffc900044dfb88 R08: ffffc900044df9df R09: 0000000000000000
[   93.563443][ T5840] R10: ffffc900044df868 R11: fffff5200089bf3c R12: ffff88814cd12000
[   93.571419][ T5840] R13: dffffc0000000000 R14: ffff88814a99d038 R15: 0000000000000030
[   93.579392][ T5840] FS:  000055556baca380(0000) GS:ffff888125c56000(0000) knlGS:0000000000000000
[   93.588426][ T5840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.595039][ T5840] CR2: 00007ffca3481e48 CR3: 00000000286f4000 CR4: 00000000003526f0
[   93.603045][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   93.611045][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   93.619041][ T5840] Call Trace:
[   93.622330][ T5840]  <TASK>
[   93.625271][ T5840]  ? __pfx___mutex_lock+0x10/0x10
[   93.630334][ T5840]  ? __pfx_lmLogSync+0x10/0x10
[   93.635129][ T5840]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[   93.641032][ T5840]  ? __pfx___writeback_inodes_sb_nr+0x10/0x10
[   93.647228][ T5840]  jfs_syncpt+0x7b/0x90
[   93.651388][ T5840]  jfs_sync_fs+0x87/0xa0
[   93.655642][ T5840]  sync_filesystem+0xee/0x230
[   93.660329][ T5840]  generic_shutdown_super+0x6f/0x2c0
[   93.665628][ T5840]  kill_block_super+0x44/0x90
[   93.670336][ T5840]  deactivate_locked_super+0xb9/0x130
[   93.675772][ T5840]  cleanup_mnt+0x425/0x4c0
[   93.680229][ T5840]  ? lockdep_hardirqs_on+0x9c/0x150
[   93.685473][ T5840]  task_work_run+0x1d4/0x260
[   93.690177][ T5840]  ? __pfx_task_work_run+0x10/0x10
[   93.695659][ T5840]  ? __x64_sys_umount+0x122/0x160
[   93.700775][ T5840]  ptrace_notify+0x281/0x2c0
[   93.705378][ T5840]  ? __pfx_ptrace_notify+0x10/0x10
[   93.710606][ T5840]  ? __x64_sys_umount+0x122/0x160
[   93.715683][ T5840]  ? __pfx___x64_sys_umount+0x10/0x10
[   93.721079][ T5840]  syscall_exit_work+0xc6/0x1d0
[   93.725954][ T5840]  do_syscall_64+0x2ad/0x3b0
[   93.730577][ T5840]  ? lockdep_hardirqs_on+0x9c/0x150
[   93.735789][ T5840]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.741884][ T5840]  ? clear_bhb_loop+0x60/0xb0
[   93.746578][ T5840]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.752495][ T5840] RIP: 0033:0x7ff57425b4f7
[   93.756928][ T5840] 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
[   93.776559][ T5840] RSP: 002b:00007ffca34825f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   93.784993][ T5840] RAX: 0000000000000000 RBX: 0000000000016933 RCX: 00007ff57425b4f7
[   93.793070][ T5840] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca34826b0
[   93.801055][ T5840] RBP: 00007ffca34826b0 R08: 0000000000000000 R09: 0000000000000000
[   93.809132][ T5840] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffca3483720
[   93.817109][ T5840] R13: 000055556bacb6c0 R14: 0000000000000001 R15: 431bde82d7b634db
[   93.825122][ T5840]  </TASK>
[   93.828175][ T5840] Modules linked in:
[   93.832890][ T5840] ---[ end trace 0000000000000000 ]---
[   93.909748][ T5840] RIP: 0010:lmLogSync+0x22e/0x9d0
[   93.914930][ T5840] Code: fe b6 fe 4d 8d 7e f0 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 30 bc e3 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 14 bc e3 fe 49 8b 3f e8 cc fd b6 fe
[   93.935504][ T5840] RSP: 0018:ffffc900044dfa80 EFLAGS: 00010206
[   93.941893][ T5840] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff888030a03c00
[   93.950310][ T5840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   93.959057][ T5840] RBP: ffffc900044dfb88 R08: ffffc900044df9df R09: 0000000000000000
[   93.967180][ T5840] R10: ffffc900044df868 R11: fffff5200089bf3c R12: ffff88814cd12000
[   93.975572][ T5840] R13: dffffc0000000000 R14: ffff88814a99d038 R15: 0000000000000030
[   93.984103][ T5840] FS:  000055556baca380(0000) GS:ffff888125d56000(0000) knlGS:0000000000000000
[   94.009843][ T5840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.016539][ T5840] CR2: 000055eea1f73e94 CR3: 00000000286f4000 CR4: 00000000003526f0
[   94.060070][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   94.088150][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   94.096204][ T5840] Kernel panic - not syncing: Fatal exception
[   94.102452][ T5840] Kernel Offset: disabled
[   94.106800][ T5840] Rebooting in 86400 seconds..