./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1031296822

<...>
Warning: Permanently added '10.128.10.29' (ED25519) to the list of known hosts.
execve("./syz-executor1031296822", ["./syz-executor1031296822"], 0x7fff779c3080 /* 10 vars */) = 0
brk(NULL)                               = 0x55557f12a000
brk(0x55557f12ad00)                     = 0x55557f12ad00
arch_prctl(ARCH_SET_FS, 0x55557f12a380) = 0
set_tid_address(0x55557f12a650)         = 5828
set_robust_list(0x55557f12a660, 24)     = 0
rseq(0x55557f12aca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1031296822", 4096) = 28
getrandom("\xac\x1c\xad\x57\x6b\xbb\xc6\xf9", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557f12ad00
brk(0x55557f14bd00)                     = 0x55557f14bd00
brk(0x55557f14c000)                     = 0x55557f14c000
mprotect(0x7f899a0b4000, 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=0x55557f12a650) = 5829
./strace-static-x86_64: Process 5829 attached
[pid  5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5829] set_robust_list(0x55557f12a660, 24) = 0
./strace-static-x86_64: Process 5830 attached
[pid  5828] <... clone resumed>, child_tidptr=0x55557f12a650) = 5830
[pid  5829] mkdir("./syzkaller.Fa9heq", 0700 <unfinished ...>
[pid  5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5830] set_robust_list(0x55557f12a660, 24) = 0
./strace-static-x86_64: Process 5831 attached
[pid  5828] <... clone resumed>, child_tidptr=0x55557f12a650) = 5831
[pid  5830] mkdir("./syzkaller.wLOr8Z", 0700 <unfinished ...>
[pid  5829] <... mkdir resumed>)        = 0
[pid  5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] set_robust_list(0x55557f12a660, 24./strace-static-x86_64: Process 5832 attached
) = 0
[pid  5830] <... mkdir resumed>)        = 0
[pid  5829] chmod("./syzkaller.Fa9heq", 0777 <unfinished ...>
[pid  5828] <... clone resumed>, child_tidptr=0x55557f12a650) = 5832
[pid  5832] set_robust_list(0x55557f12a660, 24 <unfinished ...>
[pid  5830] chmod("./syzkaller.wLOr8Z", 0777 <unfinished ...>
[pid  5829] <... chmod resumed>)        = 0
[pid  5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] <... set_robust_list resumed>) = 0
[pid  5831] mkdir("./syzkaller.aop0Ym", 0700 <unfinished ...>
[pid  5832] mkdir("./syzkaller.Zqc0ho", 0700 <unfinished ...>
[pid  5830] <... chmod resumed>)        = 0
./strace-static-x86_64: Process 5833 attached
[pid  5830] chdir("./syzkaller.wLOr8Z" <unfinished ...>
[pid  5829] chdir("./syzkaller.Fa9heq" <unfinished ...>
[pid  5833] set_robust_list(0x55557f12a660, 24) = 0
[pid  5833] mkdir("./syzkaller.pofeIT", 0700 <unfinished ...>
[pid  5831] <... mkdir resumed>)        = 0
[pid  5830] <... chdir resumed>)        = 0
[pid  5829] <... chdir resumed>)        = 0
[pid  5829] mkdir("./0", 0777 <unfinished ...>
[pid  5828] <... clone resumed>, child_tidptr=0x55557f12a650) = 5833
[pid  5831] chmod("./syzkaller.aop0Ym", 0777 <unfinished ...>
[pid  5830] mkdir("./0", 0777 <unfinished ...>
[pid  5829] <... mkdir resumed>)        = 0
[pid  5832] <... mkdir resumed>)        = 0
[pid  5831] <... chmod resumed>)        = 0
[pid  5832] chmod("./syzkaller.Zqc0ho", 0777) = 0
[pid  5830] <... mkdir resumed>)        = 0
[pid  5832] chdir("./syzkaller.Zqc0ho" <unfinished ...>
[pid  5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5831] chdir("./syzkaller.aop0Ym" <unfinished ...>
[pid  5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5833] <... mkdir resumed>)        = 0
[pid  5832] <... chdir resumed>)        = 0
[pid  5832] mkdir("./0", 0777 <unfinished ...>
[pid  5831] <... chdir resumed>)        = 0
[pid  5830] <... openat resumed>)       = 3
[pid  5833] chmod("./syzkaller.pofeIT", 0777 <unfinished ...>
[pid  5829] <... openat resumed>)       = 3
[pid  5832] <... mkdir resumed>)        = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5831] mkdir("./0", 0777 <unfinished ...>
[pid  5830] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5833] <... chmod resumed>)        = 0
[pid  5832] <... openat resumed>)       = 3
[pid  5830] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5829] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5833] chdir("./syzkaller.pofeIT" <unfinished ...>
[pid  5831] <... mkdir resumed>)        = 0
[pid  5832] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5833] <... chdir resumed>)        = 0
[pid  5832] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5830] close(3 <unfinished ...>
[pid  5829] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5833] mkdir("./0", 0777 <unfinished ...>
[pid  5832] close(3 <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5830] <... close resumed>)        = 0
[pid  5829] close(3 <unfinished ...>
[pid  5832] <... close resumed>)        = 0
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached
 <unfinished ...>
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached
 <unfinished ...>
[pid  5833] <... mkdir resumed>)        = 0
[pid  5831] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5829] <... close resumed>)        = 0
[pid  5834] set_robust_list(0x55557f12a660, 24 <unfinished ...>
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5834] <... set_robust_list resumed>) = 0
[pid  5831] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5834] chdir("./0")                = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f12a650) = 5834
[pid  5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
./strace-static-x86_64: Process 5836 attached
[pid  5835] set_robust_list(0x55557f12a660, 24 <unfinished ...>
[pid  5834] setpgid(0, 0 <unfinished ...>
[pid  5831] close(3 <unfinished ...>
[pid  5835] <... set_robust_list resumed>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5831] <... close resumed>)        = 0
[pid  5836] set_robust_list(0x55557f12a660, 24 <unfinished ...>
[pid  5835] chdir("./0" <unfinished ...>
[pid  5834] <... setpgid resumed>)      = 0
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5830] <... clone resumed>, child_tidptr=0x55557f12a650) = 5835
[pid  5836] <... set_robust_list resumed>) = 0
[pid  5835] <... chdir resumed>)        = 0
[pid  5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5836] chdir("./0")                = 0
[pid  5834] <... openat resumed>)       = 3
[pid  5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5836] setpgid(0, 0)               = 0
[pid  5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "1000", 4)         = 4
[pid  5834] close(3 <unfinished ...>
[pid  5836] write(3, "1000", 4 <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5836] <... write resumed>)        = 4
[pid  5836] close(3 <unfinished ...>
[pid  5834] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5836] <... close resumed>)        = 0
[pid  5834] <... symlink resumed>)      = 0
[pid  5836] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5834] write(1, "executing program\n", 18 <unfinished ...>
[pid  5835] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5834] <... write resumed>)        = 18
[pid  5836] write(1, "executing program\n", 18 <unfinished ...>
[pid  5835] <... prctl resumed>)        = 0
[pid  5833] <... openat resumed>)       = 3
[pid  5829] <... clone resumed>, child_tidptr=0x55557f12a650) = 5836
[pid  5835] setpgid(0, 0)               = 0
[pid  5833] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5831] <... clone resumed>, child_tidptr=0x55557f12a650) = 5837
./strace-static-x86_64: Process 5837 attached
executing program
[pid  5837] set_robust_list(0x55557f12a660, 24 <unfinished ...>
[pid  5836] <... write resumed>)        = 18
[pid  5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5834] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5833] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5837] <... set_robust_list resumed>) = 0
[pid  5836] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5833] close(3 <unfinished ...>
[pid  5837] chdir("./0" <unfinished ...>
[pid  5836] <... memfd_create resumed>) = 3
[pid  5834] <... memfd_create resumed>) = 3
[pid  5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8991a00000
[pid  5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5837] <... chdir resumed>)        = 0
[pid  5833] <... close resumed>)        = 0
[pid  5837] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5835] <... openat resumed>)       = 3
[pid  5834] <... mmap resumed>)         = 0x7f8991a00000
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5837] <... prctl resumed>)        = 0
[pid  5835] write(3, "1000", 4./strace-static-x86_64: Process 5838 attached
 <unfinished ...>
[pid  5837] setpgid(0, 0 <unfinished ...>
[pid  5835] <... write resumed>)        = 4
[pid  5837] <... setpgid resumed>)      = 0
[pid  5835] close(3 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x55557f12a650) = 5838
[pid  5835] <... close resumed>)        = 0
executing program
[pid  5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5835] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5838] set_robust_list(0x55557f12a660, 24) = 0
[pid  5838] chdir("./0")                = 0
[pid  5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5835] <... symlink resumed>)      = 0
[pid  5838] setpgid(0, 0 <unfinished ...>
[pid  5835] write(1, "executing program\n", 18 <unfinished ...>
[pid  5838] <... setpgid resumed>)      = 0
[pid  5835] <... write resumed>)        = 18
[pid  5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5835] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5838] <... openat resumed>)       = 3
[pid  5838] write(3, "1000", 4)         = 4
[pid  5838] close(3)                    = 0
[pid  5838] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5837] <... openat resumed>)       = 3
[pid  5835] <... memfd_create resumed>) = 3
[pid  5837] write(3, "1000", 4 <unfinished ...>
[pid  5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8991a00000
[pid  5837] <... write resumed>)        = 4
[pid  5838] write(1, "executing program\n", 18executing program
) = 18
[pid  5838] memfd_create("syzkaller", 0) = 3
[pid  5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8991a00000
[pid  5837] close(3)                    = 0
[pid  5837] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5837] write(1, "executing program\n", 18) = 18
[pid  5837] memfd_create("syzkaller", 0) = 3
[pid  5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8991a00000
[pid  5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5837] 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  5836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5835] <... write resumed>)        = 16777216
[pid  5835] munmap(0x7f8991a00000, 138412032 <unfinished ...>
[pid  5836] <... write resumed>)        = 16777216
[pid  5837] <... write resumed>)        = 16777216
[pid  5835] <... munmap resumed>)       = 0
[pid  5834] <... write resumed>)        = 16777216
[pid  5837] munmap(0x7f8991a00000, 138412032 <unfinished ...>
[pid  5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5834] munmap(0x7f8991a00000, 138412032 <unfinished ...>
[pid  5836] munmap(0x7f8991a00000, 138412032 <unfinished ...>
[pid  5835] <... openat resumed>)       = 4
[pid  5835] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5837] <... munmap resumed>)       = 0
[pid  5835] <... ioctl resumed>)        = 0
[pid  5834] <... munmap resumed>)       = 0
[pid  5838] <... write resumed>)        = 16777216
[pid  5837] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5836] <... munmap resumed>)       = 0
[pid  5835] close(3 <unfinished ...>
[pid  5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5837] <... openat resumed>)       = 4
[pid  5836] <... openat resumed>)       = 4
[pid  5835] close(4 <unfinished ...>
[pid  5834] <... openat resumed>)       = 4
[pid  5836] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[   90.374501][ T5835] loop1: detected capacity change from 0 to 32768
[   90.402928][ T5836] loop0: detected capacity change from 0 to 32768
[pid  5838] munmap(0x7f8991a00000, 138412032 <unfinished ...>
[pid  5837] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5834] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5836] <... ioctl resumed>)        = 0
[pid  5836] close(3)                    = 0
[pid  5836] close(4)                    = 0
[pid  5836] mkdir("./file1", 0777)      = 0
[pid  5837] <... ioctl resumed>)        = 0
[pid  5835] mkdir("./file1", 0777 <unfinished ...>
[pid  5836] mount("/dev/loop0", "./file1", "jfs", 0, "nointegrity,quota,usrquota,errors=continue,errors=continue,iocharset=cp864,errors=remount-ro" <unfinished ...>
[pid  5838] <... munmap resumed>)       = 0
[pid  5837] close(3 <unfinished ...>
[pid  5835] <... mkdir resumed>)        = 0
[pid  5834] <... ioctl resumed>)        = 0
[pid  5835] mount("/dev/loop1", "./file1", "jfs", 0, "nointegrity,quota,usrquota,errors=continue,errors=continue,iocharset=cp864,errors=remount-ro" <unfinished ...>
[pid  5834] close(3 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5837] <... close resumed>)        = 0
[pid  5837] close(4 <unfinished ...>
[pid  5834] <... close resumed>)        = 0
[pid  5838] <... openat resumed>)       = 4
[pid  5834] close(4 <unfinished ...>
[pid  5837] <... close resumed>)        = 0
[   90.419767][ T5837] loop2: detected capacity change from 0 to 32768
[   90.428735][ T5834] loop3: detected capacity change from 0 to 32768
[pid  5836] <... mount resumed>)        = 0
[pid  5838] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5837] mkdir("./file1", 0777 <unfinished ...>
[pid  5835] <... mount resumed>)        = 0
[pid  5834] <... close resumed>)        = 0
[pid  5835] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5834] mkdir("./file1", 0777 <unfinished ...>
[pid  5835] <... openat resumed>)       = 3
[pid  5836] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5838] <... ioctl resumed>)        = 0
[pid  5837] <... mkdir resumed>)        = 0
[pid  5835] chdir("./file1" <unfinished ...>
[pid  5834] <... mkdir resumed>)        = 0
[pid  5837] mount("/dev/loop2", "./file1", "jfs", 0, "nointegrity,quota,usrquota,errors=continue,errors=continue,iocharset=cp864,errors=remount-ro" <unfinished ...>
[pid  5835] <... chdir resumed>)        = 0
[pid  5834] mount("/dev/loop3", "./file1", "jfs", 0, "nointegrity,quota,usrquota,errors=continue,errors=continue,iocharset=cp864,errors=remount-ro" <unfinished ...>
[pid  5836] chdir("./file1")            = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5838] close(3 <unfinished ...>
[pid  5836] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5835] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5836] exit_group(0 <unfinished ...>
[pid  5835] exit_group(0 <unfinished ...>
[pid  5836] <... exit_group resumed>)   = ?
[pid  5838] <... close resumed>)        = 0
[pid  5835] <... exit_group resumed>)   = ?
[pid  5836] +++ exited with 0 +++
[pid  5838] close(4 <unfinished ...>
[pid  5835] +++ exited with 0 +++
[pid  5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} ---
[pid  5830] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} ---
[pid  5838] <... close resumed>)        = 0
[pid  5838] mkdir("./file1", 0777 <unfinished ...>
[pid  5829] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... mkdir resumed>)        = 0
[pid  5830] <... restart_syscall resumed>) = 0
[pid  5829] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5829] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5829] <... openat resumed>)       = 3
[pid  5830] newfstatat(3, "",  <unfinished ...>
[pid  5838] mount("/dev/loop4", "./file1", "jfs", 0, "nointegrity,quota,usrquota,errors=continue,errors=continue,iocharset=cp864,errors=remount-ro" <unfinished ...>
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5829] newfstatat(3, "",  <unfinished ...>
[pid  5830] getdents64(3,  <unfinished ...>
[pid  5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] <... getdents64 resumed>0x55557f12b6f0 /* 4 entries */, 32768) = 112
[pid  5829] getdents64(3,  <unfinished ...>
[pid  5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5829] <... getdents64 resumed>0x55557f12b6f0 /* 4 entries */, 32768) = 112
[pid  5830] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] unlink("./0/binderfs")      = 0
[pid  5829] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5834] <... mount resumed>)        = 0
[pid  5830] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5829] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5834] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[   90.480241][ T5838] loop4: detected capacity change from 0 to 32768
[pid  5829] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5834] <... openat resumed>)       = 3
[pid  5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5829] unlink("./0/binderfs" <unfinished ...>
[pid  5834] chdir("./file1" <unfinished ...>
[pid  5829] <... unlink resumed>)       = 0
[pid  5829] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] <... mount resumed>)        = 0
[pid  5837] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5834] <... chdir resumed>)        = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5837] <... openat resumed>)       = 3
[pid  5834] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5834] exit_group(0 <unfinished ...>
[pid  5837] chdir("./file1" <unfinished ...>
[pid  5834] <... exit_group resumed>)   = ?
[pid  5837] <... chdir resumed>)        = 0
[pid  5834] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=30 /* 0.30 s */} ---
[pid  5837] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5832] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5832] getdents64(3, 0x55557f12b6f0 /* 4 entries */, 32768) = 112
[pid  5832] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5832] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   90.564159][ T5832] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
[   90.576127][ T5832] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   90.584681][ T5832] CPU: 0 UID: 0 PID: 5832 Comm: syz-executor103 Not tainted 6.15.0-rc1-syzkaller-00325-g7cdabafc0012 #0 PREEMPT(full) 
[   90.597146][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   90.607239][ T5832] RIP: 0010:lmLogSync+0x22d/0xaf0
[   90.612386][ T5832] Code: 9e fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 31 f9 cb 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 14 f9 cb fe 48 8b 3b e8 dc 22 9e
[   90.632009][ T5832] RSP: 0018:ffffc90003de7a20 EFLAGS: 00010206
[   90.638084][ T5832] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff888033cf0000
[   90.646078][ T5832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   90.654065][ T5832] RBP: ffffc90003de7b28 R08: ffffffff81fd184e R09: 0000000000000000
[   90.662055][ T5832] R10: ffffc90003de7808 R11: fffff520007bcf30 R12: ffff888033d93800
[   90.670071][ T5832] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88814c2df038
[   90.678058][ T5832] FS:  000055557f12a380(0000) GS:ffff888124fc9000(0000) knlGS:0000000000000000
[   90.686995][ T5832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.693679][ T5832] CR2: 00007f899a0b8130 CR3: 000000007bece000 CR4: 00000000003526f0
[   90.701660][ T5832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   90.709670][ T5832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   90.717647][ T5832] Call Trace:
[   90.720932][ T5832]  <TASK>
[   90.723866][ T5832]  ? jfs_syncpt+0x26/0xa0
[   90.728244][ T5832]  ? __pfx_lmLogSync+0x10/0x10
[   90.733028][ T5832]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[   90.738944][ T5832]  jfs_syncpt+0x7d/0xa0
[   90.743117][ T5832]  jfs_sync_fs+0x8a/0xa0
[   90.747380][ T5832]  sync_filesystem+0xed/0x230
[   90.752154][ T5832]  generic_shutdown_super+0x72/0x2d0
[   90.757455][ T5832]  kill_block_super+0x44/0x90
[   90.762167][ T5832]  deactivate_locked_super+0xc4/0x130
[   90.767550][ T5832]  cleanup_mnt+0x422/0x4c0
[   90.771981][ T5832]  ? lockdep_hardirqs_on+0x9d/0x150
[   90.777232][ T5832]  task_work_run+0x251/0x310
[   90.781847][ T5832]  ? __pfx_task_work_run+0x10/0x10
[   90.787008][ T5832]  ? path_umount+0x251/0xfb0
[   90.791616][ T5832]  ptrace_notify+0x2dc/0x390
[   90.796226][ T5832]  ? __x64_sys_umount+0x122/0x170
[   90.801256][ T5832]  ? user_path_at+0x44/0x60
[   90.805772][ T5832]  ? __pfx_ptrace_notify+0x10/0x10
[   90.810904][ T5832]  ? kmem_cache_free+0x197/0x410
[   90.815853][ T5832]  ? __x64_sys_umount+0x122/0x170
[   90.820901][ T5832]  syscall_exit_work+0xc7/0x1d0
[   90.825785][ T5832]  syscall_exit_to_user_mode+0x24a/0x340
[   90.831448][ T5832]  do_syscall_64+0x100/0x230
[   90.836052][ T5832]  ? clear_bhb_loop+0x45/0xa0
[   90.840768][ T5832]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.846694][ T5832] RIP: 0033:0x7f899a03b4b7
[   90.851156][ T5832] 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
[   90.870784][ T5832] RSP: 002b:00007ffd86e67c98 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   90.879208][ T5832] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f899a03b4b7
[   90.887183][ T5832] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd86e67d50
[   90.895160][ T5832] RBP: 00007ffd86e67d50 R08: 0000000000000000 R09: 0000000000000000
[   90.903143][ T5832] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd86e68dc0
[pid  5832] unlink("./0/binderfs")      = 0
[pid  5832] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5837] exit_group(0)               = ?
[pid  5838] <... mount resumed>)        = 0
[pid  5837] +++ exited with 0 +++
[pid  5838] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=22 /* 0.22 s */} ---
[pid  5838] chdir("./file1" <unfinished ...>
[pid  5831] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5838] <... chdir resumed>)        = 0
[pid  5831] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5831] getdents64(3, 0x55557f12b6f0 /* 4 entries */, 32768) = 112
[pid  5831] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5831] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5831] unlink("./0/binderfs" <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5831] <... unlink resumed>)       = 0
[pid  5831] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5838] exit_group(0)               = ?
[pid  5838] +++ exited with 0 +++
[   90.911121][ T5832] R13: 000055557f12b6c0 R14: 0000000000000001 R15: 431bde82d7b634db
[   90.919111][ T5832]  </TASK>
[   90.922148][ T5832] Modules linked in:
[   90.926261][ T5832] ---[ end trace 0000000000000000 ]---
[   90.942697][ T5832] RIP: 0010:lmLogSync+0x22d/0xaf0
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=24 /* 0.24 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[   90.948400][ T5832] Code: 9e fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 31 f9 cb 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 14 f9 cb fe 48 8b 3b e8 dc 22 9e
[   90.970397][ T5832] RSP: 0018:ffffc90003de7a20 EFLAGS: 00010206
[   90.976576][ T5832] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff888033cf0000
[   90.984629][ T5832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   90.992684][ T5832] RBP: ffffc90003de7b28 R08: ffffffff81fd184e R09: 0000000000000000
[   91.000743][ T5832] R10: ffffc90003de7808 R11: fffff520007bcf30 R12: ffff888033d93800
[pid  5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5833] getdents64(3, 0x55557f12b6f0 /* 4 entries */, 32768) = 112
[   91.008879][ T5832] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88814c2df038
[   91.016883][ T5832] FS:  000055557f12a380(0000) GS:ffff8881250c9000(0000) knlGS:0000000000000000
[   91.025873][ T5832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.032539][ T5832] CR2: 000055557f1336f8 CR3: 000000007bece000 CR4: 00000000003526f0
[   91.040565][ T5832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   91.048623][ T5832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   91.056632][ T5832] Kernel panic - not syncing: Fatal exception
[   91.062996][ T5832] Kernel Offset: disabled
[   91.067329][ T5832] Rebooting in 86400 seconds..