./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1754499097

<...>
Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts.
execve("./syz-executor1754499097", ["./syz-executor1754499097"], 0x7fffa1a2d4b0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557aaa7000
brk(0x55557aaa7d00)                     = 0x55557aaa7d00
arch_prctl(ARCH_SET_FS, 0x55557aaa7380) = 0
set_tid_address(0x55557aaa7650)         = 5848
set_robust_list(0x55557aaa7660, 24)     = 0
rseq(0x55557aaa7ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1754499097", 4096) = 28
getrandom("\xb3\x91\xc7\xbc\xb4\x5d\x1f\x50", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557aaa7d00
brk(0x55557aac8d00)                     = 0x55557aac8d00
brk(0x55557aac9000)                     = 0x55557aac9000
mprotect(0x7f12e787c000, 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, child_tidptr=0x55557aaa7650) = 5849
./strace-static-x86_64: Process 5849 attached
[pid  5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5849] set_robust_list(0x55557aaa7660, 24) = 0
[pid  5849] mkdir("./syzkaller.6ABuON", 0700./strace-static-x86_64: Process 5850 attached
 <unfinished ...>
[pid  5848] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5850
[pid  5850] set_robust_list(0x55557aaa7660, 24 <unfinished ...>
[pid  5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5850] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5851 attached
[pid  5850] mkdir("./syzkaller.P2hbxc", 0700 <unfinished ...>
[pid  5851] set_robust_list(0x55557aaa7660, 24 <unfinished ...>
[pid  5849] <... mkdir resumed>)        = 0
[pid  5848] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5851
[pid  5851] <... set_robust_list resumed>) = 0
[pid  5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5851] mkdir("./syzkaller.z1SyyB", 0700./strace-static-x86_64: Process 5852 attached
 <unfinished ...>
[pid  5850] <... mkdir resumed>)        = 0
[pid  5849] chmod("./syzkaller.6ABuON", 0777 <unfinished ...>
[pid  5848] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5852
[pid  5852] set_robust_list(0x55557aaa7660, 24 <unfinished ...>
[pid  5851] <... mkdir resumed>)        = 0
[pid  5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5852] <... set_robust_list resumed>) = 0
[pid  5851] chmod("./syzkaller.z1SyyB", 0777 <unfinished ...>
[pid  5850] chmod("./syzkaller.P2hbxc", 0777 <unfinished ...>
[pid  5849] <... chmod resumed>)        = 0
[pid  5851] <... chmod resumed>)        = 0
[pid  5849] chdir("./syzkaller.6ABuON" <unfinished ...>
[pid  5851] chdir("./syzkaller.z1SyyB" <unfinished ...>
[pid  5849] <... chdir resumed>)        = 0
[pid  5850] <... chmod resumed>)        = 0
[pid  5852] mkdir("./syzkaller.Qqphi7", 0700 <unfinished ...>
[pid  5851] <... chdir resumed>)        = 0
[pid  5850] chdir("./syzkaller.P2hbxc" <unfinished ...>
[pid  5849] mkdir("./0", 0777./strace-static-x86_64: Process 5853 attached
 <unfinished ...>
[pid  5851] mkdir("./0", 0777 <unfinished ...>
[pid  5850] <... chdir resumed>)        = 0
[pid  5848] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5853
[pid  5853] set_robust_list(0x55557aaa7660, 24 <unfinished ...>
[pid  5850] mkdir("./0", 0777 <unfinished ...>
[pid  5853] <... set_robust_list resumed>) = 0
[pid  5852] <... mkdir resumed>)        = 0
[pid  5851] <... mkdir resumed>)        = 0
[pid  5849] <... mkdir resumed>)        = 0
[pid  5853] mkdir("./syzkaller.ZKUNHc", 0700 <unfinished ...>
[pid  5852] chmod("./syzkaller.Qqphi7", 0777 <unfinished ...>
[pid  5851] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5850] <... mkdir resumed>)        = 0
[pid  5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5852] <... chmod resumed>)        = 0
[pid  5850] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5852] chdir("./syzkaller.Qqphi7") = 0
[pid  5849] <... openat resumed>)       = 3
[pid  5851] <... openat resumed>)       = 3
[pid  5850] <... openat resumed>)       = 3
[pid  5853] chmod("./syzkaller.ZKUNHc", 0777 <unfinished ...>
[pid  5852] mkdir("./0", 0777 <unfinished ...>
[pid  5849] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5851] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5850] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5849] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5853] <... chmod resumed>)        = 0
[pid  5851] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5850] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5850] close(3 <unfinished ...>
[pid  5853] chdir("./syzkaller.ZKUNHc" <unfinished ...>
[pid  5852] <... mkdir resumed>)        = 0
[pid  5850] <... close resumed>)        = 0
[pid  5849] close(3 <unfinished ...>
[pid  5853] <... chdir resumed>)        = 0
[pid  5851] close(3 <unfinished ...>
[pid  5853] mkdir("./0", 0777 <unfinished ...>
[pid  5852] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5851] <... close resumed>)        = 0
[pid  5849] <... close resumed>)        = 0
[pid  5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached
 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5852] <... openat resumed>)       = 3
[pid  5850] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5854
./strace-static-x86_64: Process 5855 attached
[pid  5853] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5852] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5855] set_robust_list(0x55557aaa7660, 24 <unfinished ...>
[pid  5854] set_robust_list(0x55557aaa7660, 24 <unfinished ...>
[pid  5855] <... set_robust_list resumed>) = 0
[pid  5854] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5856 attached
[pid  5852] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5855] chdir("./0" <unfinished ...>
[pid  5856] set_robust_list(0x55557aaa7660, 24 <unfinished ...>
[pid  5854] chdir("./0" <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5852] close(3 <unfinished ...>
[pid  5851] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5856
[pid  5856] <... set_robust_list resumed>) = 0
[pid  5855] <... chdir resumed>)        = 0
[pid  5853] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5852] <... close resumed>)        = 0
[pid  5856] chdir("./0" <unfinished ...>
[pid  5855] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] <... chdir resumed>)        = 0
[pid  5849] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5855
[pid  5856] <... chdir resumed>)        = 0
[pid  5855] <... prctl resumed>)        = 0
[pid  5853] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5857 attached
 <unfinished ...>
[pid  5856] <... prctl resumed>)        = 0
[pid  5855] setpgid(0, 0 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5855] <... setpgid resumed>)      = 0
[pid  5854] <... prctl resumed>)        = 0
[pid  5857] set_robust_list(0x55557aaa7660, 24 <unfinished ...>
[pid  5856] setpgid(0, 0 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5852] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5857
[pid  5854] setpgid(0, 0 <unfinished ...>
[pid  5856] <... setpgid resumed>)      = 0
[pid  5854] <... setpgid resumed>)      = 0
[pid  5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... set_robust_list resumed>) = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5857] chdir("./0" <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5855] write(3, "1000", 4)         = 4
[pid  5857] <... chdir resumed>)        = 0
[pid  5854] write(3, "1000", 4./strace-static-x86_64: Process 5858 attached
 <unfinished ...>
[pid  5857] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x55557aaa7650) = 5858
[pid  5854] <... write resumed>)        = 4
[pid  5854] close(3 <unfinished ...>
[pid  5858] set_robust_list(0x55557aaa7660, 24) = 0
[pid  5857] <... prctl resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5857] setpgid(0, 0 <unfinished ...>
[pid  5856] write(3, "1000", 4 <unfinished ...>
[pid  5855] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5858] chdir("./0"executing program
executing program
)                = 0
[pid  5857] <... setpgid resumed>)      = 0
[pid  5856] <... write resumed>)        = 4
[pid  5854] <... symlink resumed>)      = 0
[pid  5855] <... symlink resumed>)      = 0
[pid  5854] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] <... write resumed>)        = 18
[pid  5855] <... write resumed>)        = 18
[pid  5858] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5854] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5858] <... prctl resumed>)        = 0
[pid  5858] setpgid(0, 0 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5858] <... setpgid resumed>)      = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... memfd_create resumed>) = 3
[pid  5854] <... memfd_create resumed>) = 3
[pid  5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5858] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] <... mmap resumed>)         = 0x7f12df3bb000
[pid  5858] write(3, "1000", 4 <unfinished ...>
[pid  5857] write(3, "1000", 4 <unfinished ...>
[pid  5856] <... symlink resumed>)      = 0
[pid  5854] <... mmap resumed>)         = 0x7f12df3bb000
[pid  5858] <... write resumed>)        = 4
[pid  5857] <... write resumed>)        = 4
[pid  5858] close(3)                    = 0
[pid  5858] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5858] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] write(1, "executing program\n", 18 <unfinished ...>
[pid  5858] <... write resumed>)        = 18
[pid  5857] <... close resumed>)        = 0
executing program
[pid  5858] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5857] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] <... write resumed>)        = 18
[pid  5857] <... symlink resumed>)      = 0
[pid  5856] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5858] <... memfd_create resumed>) = 3
[pid  5856] <... memfd_create resumed>) = 3
[pid  5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f12df3bb000
[pid  5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f12df3bb000
executing program
[pid  5857] write(1, "executing program\n", 18) = 18
[pid  5857] memfd_create("syzkaller", 0) = 3
[pid  5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f12df3bb000
[pid  5855] 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  5857] 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  5854] 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  5856] 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  5858] 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  5857] <... write resumed>)        = 16777216
[pid  5857] munmap(0x7f12df3bb000, 138412032) = 0
[pid  5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  5857] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5857] close(3)                    = 0
[pid  5857] close(4)                    = 0
[   98.874926][ T5857] loop3: detected capacity change from 0 to 32768
[pid  5857] mkdir("./file0", 0777)      = 0
[pid  5857] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "gid=0x0000000000000000,discard=0x000000000000aff9,iocharset=maciceland,iocharset=cp857,nointegrity,n"... <unfinished ...>
[pid  5855] <... write resumed>)        = 16777216
[pid  5855] munmap(0x7f12df3bb000, 138412032 <unfinished ...>
[pid  5856] <... write resumed>)        = 16777216
[pid  5856] munmap(0x7f12df3bb000, 138412032 <unfinished ...>
[pid  5857] <... mount resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5857] chdir("./file0")            = 0
[pid  5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5857] exit_group(0 <unfinished ...>
[pid  5856] <... munmap resumed>)       = 0
[pid  5856] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  5856] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5857] <... exit_group resumed>)   = ?
[pid  5855] <... munmap resumed>)       = 0
[pid  5856] <... ioctl resumed>)        = 0
[pid  5857] +++ exited with 0 +++
[pid  5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5854] <... write resumed>)        = 16777216
[pid  5856] close(3 <unfinished ...>
[pid  5852] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=36 /* 0.36 s */} ---
[pid  5856] <... close resumed>)        = 0
[pid  5856] close(4 <unfinished ...>
[pid  5855] <... openat resumed>)       = 4
[pid  5854] munmap(0x7f12df3bb000, 138412032 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5852] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] mkdir("./file0", 0777 <unfinished ...>
[pid  5855] <... ioctl resumed>)        = 0
[pid  5852] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5852] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "gid=0x0000000000000000,discard=0x000000000000aff9,iocharset=maciceland,iocharset=cp857,nointegrity,n"... <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5852] <... openat resumed>)       = 3
[pid  5852] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... close resumed>)        = 0
[pid  5858] <... write resumed>)        = 16777216
[pid  5855] close(4 <unfinished ...>
[pid  5852] getdents64(3,  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5855] mkdir("./file0", 0777)      = 0
[pid  5852] <... getdents64 resumed>0x55557aaa86f0 /* 4 entries */, 32768) = 112
[pid  5855] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "gid=0x0000000000000000,discard=0x000000000000aff9,iocharset=maciceland,iocharset=cp857,nointegrity,n"... <unfinished ...>
[pid  5852] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5858] munmap(0x7f12df3bb000, 138412032 <unfinished ...>
[pid  5854] <... munmap resumed>)       = 0
[   99.059041][ T5856] loop2: detected capacity change from 0 to 32768
[   99.091262][ T5855] loop0: detected capacity change from 0 to 32768
[pid  5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid  5854] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5856] <... mount resumed>)        = 0
[pid  5856] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5856] chdir("./file0")            = 0
[pid  5856] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5854] <... ioctl resumed>)        = 0
[pid  5856] exit_group(0)               = ?
[pid  5855] <... mount resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5858] <... munmap resumed>)       = 0
[pid  5855] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] close(4 <unfinished ...>
[pid  5858] <... openat resumed>)       = 4
[pid  5856] +++ exited with 0 +++
[pid  5855] chdir("./file0" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5858] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5855] <... chdir resumed>)        = 0
[pid  5858] <... ioctl resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[   99.155794][ T5854] loop1: detected capacity change from 0 to 32768
[pid  5854] mkdir("./file0", 0777 <unfinished ...>
[pid  5858] close(3 <unfinished ...>
[pid  5855] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5854] <... mkdir resumed>)        = 0
[pid  5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=45 /* 0.45 s */} ---
[pid  5858] <... close resumed>)        = 0
[pid  5855] exit_group(0 <unfinished ...>
[pid  5851] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5858] close(4 <unfinished ...>
[pid  5855] <... exit_group resumed>)   = ?
[pid  5851] <... restart_syscall resumed>) = 0
[pid  5858] <... close resumed>)        = 0
[pid  5858] mkdir("./file0", 0777 <unfinished ...>
[pid  5855] +++ exited with 0 +++
[pid  5854] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "gid=0x0000000000000000,discard=0x000000000000aff9,iocharset=maciceland,iocharset=cp857,nointegrity,n"... <unfinished ...>
[pid  5858] <... mkdir resumed>)        = 0
[pid  5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=40 /* 0.40 s */} ---
[pid  5851] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5858] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "gid=0x0000000000000000,discard=0x000000000000aff9,iocharset=maciceland,iocharset=cp857,nointegrity,n"... <unfinished ...>
[pid  5851] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5849] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5851] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5849] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5851] <... openat resumed>)       = 3
[pid  5849] newfstatat(3, "",  <unfinished ...>
[   99.196026][ T5858] loop4: detected capacity change from 0 to 32768
[pid  5851] newfstatat(3, "",  <unfinished ...>
[pid  5849] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5851] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5851] getdents64(3,  <unfinished ...>
[pid  5849] getdents64(3,  <unfinished ...>
[pid  5851] <... getdents64 resumed>0x55557aaa86f0 /* 4 entries */, 32768) = 112
[pid  5851] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5849] <... getdents64 resumed>0x55557aaa86f0 /* 4 entries */, 32768) = 112
[pid  5849] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5852] <... umount2 resumed>)      = 0
[pid  5852] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5858] <... mount resumed>)        = 0
[pid  5854] <... mount resumed>)        = 0
[pid  5852] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5858] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5852] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5858] chdir("./file0" <unfinished ...>
[pid  5852] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5858] <... chdir resumed>)        = 0
[pid  5854] chdir("./file0" <unfinished ...>
[pid  5852] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5854] <... chdir resumed>)        = 0
[pid  5852] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5858] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5852] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5858] exit_group(0 <unfinished ...>
[pid  5854] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5852] <... openat resumed>)       = 4
[pid  5854] exit_group(0 <unfinished ...>
[pid  5852] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5852] getdents64(4, 0x55557aab0730 /* 2 entries */, 32768) = 48
[pid  5858] <... exit_group resumed>)   = ?
[pid  5852] getdents64(4, 0x55557aab0730 /* 0 entries */, 32768) = 0
[pid  5852] close(4)                    = 0
[   99.315612][ T5851] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 00[   99.315612][ T5851] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
[   99.315639][ T5851] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   99.315662][ T5851] CPU: 1 UID: 0 PID: 5851 Comm: syz-executor175 Tainted: G        W           6.16.0-syzkaller-12256-g561c80369df0 #0 PREEMPT_{RT,(full)} 
[   99.315693][ T5851] Tainted: [W]=WARN
[   99.315700][ T5851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   99.315711][ T5851] RIP: 0010:lmLogSync+0x22e/0x9d0
[   99.315746][ T5851] 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
[   99.315763][ T5851] RSP: 0018:ffffc900049bfa80 EFLAGS: 00010206
[   99.315782][ T5851] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff8880274f0000
[   99.315796][ T5851] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   99.315808][ T5851] RBP: ffffc900049bfb88 R08: 0000000000000000 R09: 0000000000000000
[   99.315821][ T5851] R10: ffffc900049bf868 R11: fffff52000937f3a R12: 0000000000000000
[   99.315835][ T5851] R13: ffff888028b31800 R14: ffff8880337a2a38 R15: 0000000000000030
[   99.315848][ T5851] FS:  000055557aaa7380(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
[   99.315877][ T5851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.315891][ T5851] CR2: 00007f1251ed6000 CR3: 0000000032a52000 CR4: 00000000003526f0
[   99.315909][ T5851] Call Trace:
[   99.315916][ T5851]  <TASK>
[   99.315926][ T5851]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[   99.315954][ T5851]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   99.315979][ T5851]  ? __pfx_lmLogSync+0x10/0x10
[   99.316011][ T5851]  ? jfs_syncpt+0x25/0x90
[   99.316046][ T5851]  jfs_syncpt+0x7b/0x90
[   99.316073][ T5851]  jfs_sync_fs+0x87/0xa0
[   99.316095][ T5851]  sync_filesystem+0xea/0x250
[   99.316126][ T5851]  generic_shutdown_super+0x6f/0x2c0
[   99.316150][ T5851]  kill_block_super+0x44/0x90
[   99.316173][ T5851]  deactivate_locked_super+0xbc/0x130
[   99.316194][ T5851]  cleanup_mnt+0x425/0x4c0
[   99.316213][ T5851]  ? lockdep_hardirqs_on+0x9c/0x150
[   99.316236][ T5851]  task_work_run+0x1d1/0x260
[   99.316257][ T5851]  ? __pfx_task_work_run+0x10/0x10
[   99.316278][ T5851]  ? path_umount+0x1ea/0xb70
[   99.316303][ T5851]  ptrace_notify+0x281/0x2c0
[   99.316327][ T5851]  ? __pfx_ptrace_notify+0x10/0x10
[   99.316349][ T5851]  ? __x64_sys_umount+0x122/0x160
[   99.316373][ T5851]  ? __pfx___x64_sys_umount+0x10/0x10
[   99.316399][ T5851]  syscall_exit_work+0xc6/0x1d0
[   99.316426][ T5851]  do_syscall_64+0x2ad/0x3b0
[   99.316449][ T5851]  ? lockdep_hardirqs_on+0x9c/0x150
[   99.316470][ T5851]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.316488][ T5851]  ? clear_bhb_loop+0x60/0xb0
[   99.316508][ T5851]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.316527][ T5851] RIP: 0033:0x7f12e78036b7
[   99.316544][ T5851] 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
[   99.316560][ T5851] RSP: 002b:00007fffa98833d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   99.316581][ T5851] RAX: 0000000000000000 RBX: 0000000000017ca7 RCX: 00007f12e78036b7
[   99.316593][ T5851] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffa9883490
[   99.316605][ T5851] RBP: 00007fffa9883490 R08: 0000000000000000 R09: 0000000000000000
[   99.316617][ T5851] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffa9884500
[   99.316630][ T5851] R13: 000055557aaa86c0 R14: 431bde82d7b634db R15: 00007fffa9884520
[   99.316651][ T5851]  </TASK>
[   99.316658][ T5851] Modules linked in:
[   99.316733][ T5851] ---[ end trace 0000000000000000 ]---
[   99.326096][ T5851] RIP: 0010:lmLogSync+0x22e/0x9d0
[   99.326135][ T5851] 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
[   99.326151][ T5851] RSP: 0018:ffffc900049bfa80 EFLAGS: 00010206
[   99.326169][ T5851] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff8880274f0000
[   99.326182][ T5851] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   99.326193][ T5851] RBP: ffffc900049bfb88 R08: 0000000000000000 R09: 0000000000000000
[   99.326205][ T5851] R10: ffffc900049bf868 R11: fffff52000937f3a R12: 0000000000000000
[   99.326217][ T5851] R13: ffff888028b31800 R14: ffff8880337a2a38 R15: 0000000000000030
[   99.326231][ T5851] FS:  000055557aaa7380(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
[   99.326246][ T5851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.326259][ T5851] CR2: 00007f1251ef7000 CR3: 0000000032a52000 CR4: 00000000003526f0
[   99.326279][ T5851] Kernel panic - not syncing: Fatal exception
[   99.326536][ T5851] Kernel Offset: disabled