./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2176164518

<...>
Warning: Permanently added '10.128.1.108' (ED25519) to the list of known hosts.
execve("./syz-executor2176164518", ["./syz-executor2176164518"], 0x7fff0753db70 /* 10 vars */) = 0
brk(NULL)                               = 0x555558d44000
brk(0x555558d44d00)                     = 0x555558d44d00
arch_prctl(ARCH_SET_FS, 0x555558d44380) = 0
set_tid_address(0x555558d44650)         = 5825
set_robust_list(0x555558d44660, 24)     = 0
rseq(0x555558d44ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2176164518", 4096) = 28
getrandom("\x80\x93\xb9\x53\xdb\xc1\x19\xbe", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555558d44d00
brk(0x555558d65d00)                     = 0x555558d65d00
brk(0x555558d66000)                     = 0x555558d66000
mprotect(0x7f55434f3000, 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 5826 attached
 <unfinished ...>
[pid  5826] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x555558d44650) = 5826
[pid  5826] <... set_robust_list resumed>) = 0
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5826] mkdir("./syzkaller.jeSOy2", 0700./strace-static-x86_64: Process 5827 attached
 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x555558d44650) = 5827
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5827] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5826] <... mkdir resumed>)        = 0
[pid  5826] chmod("./syzkaller.jeSOy2", 0777./strace-static-x86_64: Process 5828 attached
 <unfinished ...>
[pid  5827] <... set_robust_list resumed>) = 0
[pid  5826] <... chmod resumed>)        = 0
[pid  5825] <... clone resumed>, child_tidptr=0x555558d44650) = 5828
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5826] chdir("./syzkaller.jeSOy2") = 0
./strace-static-x86_64: Process 5829 attached
[pid  5828] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5827] getrandom( <unfinished ...>
[pid  5828] <... set_robust_list resumed>) = 0
[pid  5825] <... clone resumed>, child_tidptr=0x555558d44650) = 5829
[pid  5826] mkdir("./0", 0777 <unfinished ...>
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached
 <unfinished ...>
[pid  5829] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5828] mkdir("./syzkaller.KUCKB6", 0700 <unfinished ...>
[pid  5827] <... getrandom resumed>"\x2c\x3c\x32\x25\x3c\x0b\x0d\x74", 8, GRND_NONBLOCK) = 8
[pid  5829] <... set_robust_list resumed>) = 0
[pid  5825] <... clone resumed>, child_tidptr=0x555558d44650) = 5830
[pid  5830] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5829] mkdir("./syzkaller.WFSNjW", 0700 <unfinished ...>
[pid  5827] mkdir("./syzkaller.KIrvTf", 0700 <unfinished ...>
[pid  5826] <... mkdir resumed>)        = 0
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5830] <... set_robust_list resumed>) = 0
[pid  5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5830] mkdir("./syzkaller.8HDEvV", 0700 <unfinished ...>
[pid  5828] <... mkdir resumed>)        = 0
[pid  5827] <... mkdir resumed>)        = 0
[pid  5826] <... openat resumed>)       = 3
[pid  5829] <... mkdir resumed>)        = 0
[pid  5828] chmod("./syzkaller.KUCKB6", 0777 <unfinished ...>
[pid  5827] chmod("./syzkaller.KIrvTf", 0777 <unfinished ...>
[pid  5828] <... chmod resumed>)        = 0
./strace-static-x86_64: Process 5831 attached
[pid  5829] chmod("./syzkaller.WFSNjW", 0777 <unfinished ...>
[pid  5827] <... chmod resumed>)        = 0
[pid  5826] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5829] <... chmod resumed>)        = 0
[pid  5828] chdir("./syzkaller.KUCKB6" <unfinished ...>
[pid  5827] chdir("./syzkaller.KIrvTf" <unfinished ...>
[pid  5828] <... chdir resumed>)        = 0
[pid  5827] <... chdir resumed>)        = 0
[pid  5826] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5831] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5830] <... mkdir resumed>)        = 0
[pid  5828] mkdir("./0", 0777 <unfinished ...>
[pid  5827] mkdir("./0", 0777 <unfinished ...>
[pid  5831] <... set_robust_list resumed>) = 0
[pid  5830] chmod("./syzkaller.8HDEvV", 0777 <unfinished ...>
[pid  5829] chdir("./syzkaller.WFSNjW" <unfinished ...>
[pid  5826] close(3 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x555558d44650) = 5831
[pid  5831] mkdir("./syzkaller.6CrvrY", 0700 <unfinished ...>
[pid  5829] <... chdir resumed>)        = 0
[pid  5828] <... mkdir resumed>)        = 0
[pid  5827] <... mkdir resumed>)        = 0
[pid  5826] <... close resumed>)        = 0
[pid  5829] mkdir("./0", 0777 <unfinished ...>
[pid  5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5830] <... chmod resumed>)        = 0
[pid  5829] <... mkdir resumed>)        = 0
[pid  5827] <... openat resumed>)       = 3
[pid  5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5827] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5831] <... mkdir resumed>)        = 0
[pid  5830] chdir("./syzkaller.8HDEvV" <unfinished ...>
[pid  5829] <... openat resumed>)       = 3
[pid  5828] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5827] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] chmod("./syzkaller.6CrvrY", 0777 <unfinished ...>
[pid  5830] <... chdir resumed>)        = 0
[pid  5828] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 5832 attached
[pid  5831] <... chmod resumed>)        = 0
[pid  5830] mkdir("./0", 0777 <unfinished ...>
[pid  5829] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5827] close(3 <unfinished ...>
[pid  5832] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5831] chdir("./syzkaller.6CrvrY" <unfinished ...>
[pid  5830] <... mkdir resumed>)        = 0
[pid  5827] <... close resumed>)        = 0
[pid  5828] close(3 <unfinished ...>
[pid  5832] <... set_robust_list resumed>) = 0
[pid  5828] <... close resumed>)        = 0
[pid  5831] <... chdir resumed>)        = 0
[pid  5832] chdir("./0" <unfinished ...>
[pid  5829] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] <... chdir resumed>)        = 0
[pid  5831] mkdir("./0", 0777 <unfinished ...>
[pid  5830] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5829] close(3 <unfinished ...>
[pid  5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5826] <... clone resumed>, child_tidptr=0x555558d44650) = 5832
[pid  5832] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5829] <... close resumed>)        = 0
[pid  5832] <... prctl resumed>)        = 0
./strace-static-x86_64: Process 5833 attached
[pid  5832] setpgid(0, 0 <unfinished ...>
[pid  5831] <... mkdir resumed>)        = 0
[pid  5830] <... openat resumed>)       = 3
[pid  5832] <... setpgid resumed>)      = 0
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5833] set_robust_list(0x555558d44660, 24./strace-static-x86_64: Process 5835 attached
) = 0
[pid  5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5830] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5828] <... clone resumed>, child_tidptr=0x555558d44650) = 5833
./strace-static-x86_64: Process 5836 attached
[pid  5835] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5830] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5836] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5835] <... set_robust_list resumed>) = 0
[pid  5829] <... clone resumed>, child_tidptr=0x555558d44650) = 5835
[pid  5827] <... clone resumed>, child_tidptr=0x555558d44650) = 5836
[pid  5835] chdir("./0" <unfinished ...>
[pid  5833] chdir("./0" <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5830] close(3 <unfinished ...>
[pid  5835] <... chdir resumed>)        = 0
[pid  5832] <... openat resumed>)       = 3
[pid  5830] <... close resumed>)        = 0
[pid  5833] <... chdir resumed>)        = 0
[pid  5831] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5836] <... set_robust_list resumed>) = 0
[pid  5835] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5836] chdir("./0" <unfinished ...>
[pid  5835] <... prctl resumed>)        = 0
[pid  5833] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] write(3, "1000", 4 <unfinished ...>
[pid  5831] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5833] <... prctl resumed>)        = 0
[pid  5831] close(3 <unfinished ...>
[pid  5836] <... chdir resumed>)        = 0
[pid  5835] setpgid(0, 0 <unfinished ...>
[pid  5836] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5835] <... setpgid resumed>)      = 0
[pid  5836] <... prctl resumed>)        = 0
[pid  5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5836] setpgid(0, 0 <unfinished ...>
[pid  5835] <... openat resumed>)       = 3
[pid  5831] <... close resumed>)        = 0
[pid  5836] <... setpgid resumed>)      = 0
[pid  5835] write(3, "1000", 4executing program
 <unfinished ...>
[pid  5833] setpgid(0, 0 <unfinished ...>
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached
 <unfinished ...>
[pid  5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5835] <... write resumed>)        = 4
[pid  5833] <... setpgid resumed>)      = 0
[pid  5832] <... write resumed>)        = 4
[pid  5836] <... openat resumed>)       = 3
[pid  5835] close(3)                    = 0
[pid  5835] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5838 attached
 <unfinished ...>
[pid  5837] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5835] <... symlink resumed>)      = 0
[pid  5832] close(3 <unfinished ...>
[pid  5830] <... clone resumed>, child_tidptr=0x555558d44650) = 5837
[pid  5836] write(3, "1000", 4)         = 4
[pid  5832] <... close resumed>)        = 0
[pid  5837] <... set_robust_list resumed>) = 0
[pid  5836] close(3 <unfinished ...>
[pid  5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5832] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5837] chdir("./0" <unfinished ...>
[pid  5836] <... close resumed>)        = 0
[pid  5835] write(1, "executing program\n", 18 <unfinished ...>
[pid  5836] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5835] <... write resumed>)        = 18
[pid  5838] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5837] <... chdir resumed>)        = 0
[pid  5836] <... symlink resumed>)      = 0
[pid  5833] <... openat resumed>)       = 3
[pid  5832] <... symlink resumed>)      = 0
[pid  5838] <... set_robust_list resumed>) = 0
[pid  5837] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5835] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5833] write(3, "1000", 4 <unfinished ...>
[pid  5832] write(1, "executing program\n", 18 <unfinished ...>
[pid  5831] <... clone resumed>, child_tidptr=0x555558d44650) = 5838
[pid  5838] chdir("./0" <unfinished ...>
[pid  5837] <... prctl resumed>)        = 0
[pid  5836] write(1, "executing program\n", 18 <unfinished ...>
[pid  5835] <... memfd_create resumed>) = 3
executing program
[pid  5838] <... chdir resumed>)        = 0
[pid  5837] setpgid(0, 0 <unfinished ...>
[pid  5833] <... write resumed>)        = 4
executing program
[pid  5832] <... write resumed>)        = 18
[pid  5838] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5833] close(3 <unfinished ...>
[pid  5836] <... write resumed>)        = 18
[pid  5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5838] <... prctl resumed>)        = 0
[pid  5837] <... setpgid resumed>)      = 0
[pid  5836] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5835] <... mmap resumed>)         = 0x7f553b000000
[pid  5833] <... close resumed>)        = 0
[pid  5832] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5838] setpgid(0, 0 <unfinished ...>
[pid  5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5836] <... memfd_create resumed>) = 3
[pid  5833] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5832] <... memfd_create resumed>) = 3
[pid  5838] <... setpgid resumed>)      = 0
[pid  5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f553b000000
[pid  5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5837] <... openat resumed>)       = 3
[pid  5833] <... symlink resumed>)      = 0
[pid  5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program
 <unfinished ...>
[pid  5837] write(3, "1000", 4 <unfinished ...>
[pid  5833] write(1, "executing program\n", 18 <unfinished ...>
[pid  5832] <... mmap resumed>)         = 0x7f553b000000
[pid  5838] write(3, "1000", 4 <unfinished ...>
[pid  5837] <... write resumed>)        = 4
[pid  5833] <... write resumed>)        = 18
[pid  5838] <... write resumed>)        = 4
[pid  5837] close(3 <unfinished ...>
[pid  5838] close(3)                    = 0
[pid  5837] <... close resumed>)        = 0
[pid  5833] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5838] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5837] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  5838] <... symlink resumed>)      = 0
[pid  5837] <... symlink resumed>)      = 0
[pid  5838] write(1, "executing program\n", 18 <unfinished ...>
[pid  5833] <... memfd_create resumed>) = 3
[pid  5838] <... write resumed>)        = 18
[pid  5838] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5837] write(1, "executing program\n", 18executing program
) = 18
[pid  5833] <... mmap resumed>)         = 0x7f553b000000
[pid  5837] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5838] <... memfd_create resumed>) = 3
[pid  5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5837] <... memfd_create resumed>) = 3
[pid  5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5838] <... mmap resumed>)         = 0x7f553b000000
[pid  5837] <... mmap resumed>)         = 0x7f553b000000
[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  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  5833] 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 ...>
[   91.317220][  T915] cfg80211: failed to load regulatory.db
[pid  5832] 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 resumed>)        = 16777216
[pid  5837] munmap(0x7f553b000000, 138412032 <unfinished ...>
[pid  5835] <... write resumed>)        = 16777216
[pid  5837] <... munmap resumed>)       = 0
[pid  5832] <... write resumed>)        = 16777216
[pid  5837] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5832] munmap(0x7f553b000000, 138412032 <unfinished ...>
[pid  5837] <... openat resumed>)       = 4
[pid  5835] munmap(0x7f553b000000, 138412032 <unfinished ...>
[pid  5837] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5836] <... write resumed>)        = 16777216
[pid  5836] munmap(0x7f553b000000, 138412032 <unfinished ...>
[pid  5833] <... write resumed>)        = 16777216
[pid  5833] munmap(0x7f553b000000, 138412032 <unfinished ...>
[pid  5837] <... ioctl resumed>)        = 0
[pid  5837] close(3)                    = 0
[pid  5837] close(4)                    = 0
[pid  5837] mkdir("./file1", 0777)      = 0
[pid  5832] <... munmap resumed>)       = 0
[pid  5837] mount("/dev/loop4", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   91.898811][ T5837] loop4: detected capacity change from 0 to 32768
[pid  5832] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5835] <... munmap resumed>)       = 0
[pid  5833] <... munmap resumed>)       = 0
[pid  5836] <... munmap resumed>)       = 0
[pid  5838] <... write resumed>)        = 16777216
[pid  5835] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5832] <... ioctl resumed>)        = 0
[pid  5837] <... mount resumed>)        = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[   91.952453][ T5832] loop0: detected capacity change from 0 to 32768
[   91.982206][ T5836] loop1: detected capacity change from 0 to 32768
[   91.992692][ T5833] loop2: detected capacity change from 0 to 32768
[pid  5836] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5838] munmap(0x7f553b000000, 138412032 <unfinished ...>
[pid  5837] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5835] <... openat resumed>)       = 4
[pid  5833] <... openat resumed>)       = 4
[pid  5832] close(3 <unfinished ...>
[pid  5837] <... openat resumed>)       = 3
[pid  5835] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5833] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5832] <... close resumed>)        = 0
[pid  5837] chdir("./file1")            = 0
[pid  5837] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] close(4 <unfinished ...>
[pid  5837] exit_group(0)               = ?
[pid  5837] +++ exited with 0 +++
[pid  5832] <... close resumed>)        = 0
[pid  5830] --- 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=21 /* 0.21 s */} ---
[pid  5830] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5832] mkdir("./file1", 0777 <unfinished ...>
[pid  5830] <... restart_syscall resumed>) = 0
[pid  5832] <... mkdir resumed>)        = 0
[pid  5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5832] mount("/dev/loop0", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] <... ioctl resumed>)        = 0
[pid  5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5836] close(3 <unfinished ...>
[pid  5830] <... openat resumed>)       = 3
[pid  5836] <... close resumed>)        = 0
[pid  5830] newfstatat(3, "",  <unfinished ...>
[pid  5836] close(4 <unfinished ...>
[pid  5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5836] <... close resumed>)        = 0
[pid  5830] getdents64(3,  <unfinished ...>
[pid  5836] mkdir("./file1", 0777 <unfinished ...>
[pid  5830] <... getdents64 resumed>0x555558d456f0 /* 4 entries */, 32768) = 112
[pid  5833] <... ioctl resumed>)        = 0
[pid  5836] <... mkdir resumed>)        = 0
[pid  5835] <... ioctl resumed>)        = 0
[   92.000958][ T5835] loop3: detected capacity change from 0 to 32768
[pid  5833] close(3 <unfinished ...>
[pid  5830] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] mount("/dev/loop1", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5835] close(3 <unfinished ...>
[pid  5833] <... close resumed>)        = 0
[pid  5835] <... close resumed>)        = 0
[pid  5833] close(4 <unfinished ...>
[pid  5832] <... mount resumed>)        = 0
[pid  5838] <... munmap resumed>)       = 0
[pid  5835] close(4 <unfinished ...>
[pid  5833] <... close resumed>)        = 0
[pid  5832] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5833] mkdir("./file1", 0777 <unfinished ...>
[pid  5832] chdir("./file1" <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[pid  5833] <... mkdir resumed>)        = 0
[pid  5832] <... chdir resumed>)        = 0
[pid  5835] mkdir("./file1", 0777 <unfinished ...>
[pid  5836] <... mount resumed>)        = 0
[pid  5835] <... mkdir resumed>)        = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5836] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5835] mount("/dev/loop3", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5836] <... openat resumed>)       = 3
[pid  5833] mount("/dev/loop2", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5832] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5832] exit_group(0 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5836] chdir("./file1" <unfinished ...>
[pid  5832] <... exit_group resumed>)   = ?
[pid  5836] <... chdir resumed>)        = 0
[pid  5838] <... openat resumed>)       = 4
[pid  5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5832] +++ exited with 0 +++
[pid  5836] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=34 /* 0.34 s */} ---
[pid  5826] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5836] exit_group(0 <unfinished ...>
[pid  5838] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5836] <... exit_group resumed>)   = ?
[pid  5830] <... umount2 resumed>)      = 0
[pid  5826] <... restart_syscall resumed>) = 0
[pid  5835] <... mount resumed>)        = 0
[pid  5826] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5826] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5826] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5826] getdents64(3, 0x555558d456f0 /* 4 entries */, 32768) = 112
[pid  5826] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5830] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5835] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(4, 0x555558d4d730 /* 2 entries */, 32768) = 48
[pid  5836] +++ exited with 0 +++
[pid  5830] getdents64(4,  <unfinished ...>
[pid  5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} ---
[pid  5835] <... openat resumed>)       = 3
[pid  5833] <... mount resumed>)        = 0
[pid  5830] <... getdents64 resumed>0x555558d4d730 /* 0 entries */, 32768) = 0
[pid  5827] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5835] chdir("./file1" <unfinished ...>
[pid  5833] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5835] <... chdir resumed>)        = 0
[pid  5835] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5833] <... openat resumed>)       = 3
[pid  5830] close(4 <unfinished ...>
[pid  5827] <... restart_syscall resumed>) = 0
[pid  5835] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] chdir("./file1" <unfinished ...>
[pid  5835] exit_group(0 <unfinished ...>
[pid  5833] <... chdir resumed>)        = 0
[pid  5830] <... close resumed>)        = 0
[pid  5835] <... exit_group resumed>)   = ?
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5830] rmdir("./0/file1" <unfinished ...>
[pid  5827] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... umount2 resumed>)      = 0
[pid  5838] <... ioctl resumed>)        = 0
[pid  5835] +++ exited with 0 +++
[pid  5833] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5827] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5833] exit_group(0 <unfinished ...>
[pid  5838] close(3 <unfinished ...>
[pid  5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} ---
[pid  5833] <... exit_group resumed>)   = ?
[pid  5838] <... close resumed>)        = 0
[pid  5829] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5838] close(4 <unfinished ...>
[pid  5833] +++ exited with 0 +++
[pid  5830] <... rmdir resumed>)        = 0
[pid  5827] <... openat resumed>)       = 3
[pid  5838] <... close resumed>)        = 0
[pid  5827] newfstatat(3, "",  <unfinished ...>
[pid  5838] mkdir("./file1", 0777 <unfinished ...>
[pid  5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=24 /* 0.24 s */} ---
[pid  5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5828] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5827] getdents64(3, 0x555558d456f0 /* 4 entries */, 32768) = 112
[pid  5826] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... mkdir resumed>)        = 0
[pid  5838] mount("/dev/loop5", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[pid  5827] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] newfstatat(AT_FDCWD, "./0/file1",  <unfinished ...>
[pid  5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5830] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5826] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5830] unlink("./0/binderfs" <unfinished ...>
[pid  5826] <... openat resumed>)       = 4
[pid  5826] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] <... unlink resumed>)       = 0
[pid  5828] <... restart_syscall resumed>) = 0
[pid  5826] getdents64(4, 0x555558d4d730 /* 2 entries */, 32768) = 48
[pid  5826] getdents64(4,  <unfinished ...>
[pid  5828] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... getdents64 resumed>0x555558d4d730 /* 0 entries */, 32768) = 0
[pid  5829] <... restart_syscall resumed>) = 0
[pid  5828] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5826] close(4 <unfinished ...>
[pid  5830] getdents64(3,  <unfinished ...>
[pid  5828] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5830] <... getdents64 resumed>0x555558d456f0 /* 0 entries */, 32768) = 0
[pid  5828] <... openat resumed>)       = 3
[   92.080007][ T5838] loop5: detected capacity change from 0 to 32768
[pid  5826] rmdir("./0/file1" <unfinished ...>
[pid  5830] close(3 <unfinished ...>
[pid  5829] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5828] newfstatat(3, "",  <unfinished ...>
[pid  5826] <... rmdir resumed>)        = 0
[pid  5838] <... mount resumed>)        = 0
[pid  5830] <... close resumed>)        = 0
[pid  5829] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5827] <... umount2 resumed>)      = 0
[pid  5838] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5829] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5827] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] <... openat resumed>)       = 3
[pid  5830] rmdir("./0" <unfinished ...>
[pid  5829] <... openat resumed>)       = 3
[pid  5828] getdents64(3,  <unfinished ...>
[pid  5826] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5830] <... rmdir resumed>)        = 0
[pid  5828] <... getdents64 resumed>0x555558d456f0 /* 4 entries */, 32768) = 112
[pid  5828] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5838] chdir("./file1" <unfinished ...>
[pid  5829] newfstatat(3, "",  <unfinished ...>
[pid  5827] newfstatat(AT_FDCWD, "./0/file1",  <unfinished ...>
[pid  5826] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5838] <... chdir resumed>)        = 0
[pid  5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5826] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] mkdir("./1", 0777 <unfinished ...>
[pid  5826] unlink("./0/binderfs" <unfinished ...>
[pid  5830] <... mkdir resumed>)        = 0
[pid  5826] <... unlink resumed>)       = 0
[pid  5826] getdents64(3, 0x555558d456f0 /* 0 entries */, 32768) = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5826] close(3 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5829] getdents64(3,  <unfinished ...>
[pid  5827] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5826] rmdir("./0" <unfinished ...>
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5829] <... getdents64 resumed>0x555558d456f0 /* 4 entries */, 32768) = 112
[pid  5827] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5826] <... rmdir resumed>)        = 0
[pid  5830] <... openat resumed>)       = 3
[pid  5829] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] <... openat resumed>)       = 4
[pid  5827] newfstatat(4, "",  <unfinished ...>
[pid  5826] mkdir("./1", 0777 <unfinished ...>
[pid  5830] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5826] <... mkdir resumed>)        = 0
[pid  5838] exit_group(0 <unfinished ...>
[pid  5830] <... ioctl resumed>)        = 0
[pid  5827] getdents64(4,  <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5838] <... exit_group resumed>)   = ?
[pid  5830] close(3 <unfinished ...>
[pid  5827] <... getdents64 resumed>0x555558d4d730 /* 2 entries */, 32768) = 48
[pid  5826] <... openat resumed>)       = 3
[pid  5830] <... close resumed>)        = 0
[pid  5826] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5826] <... ioctl resumed>)        = 0
./strace-static-x86_64: Process 5845 attached
[pid  5838] +++ exited with 0 +++
[pid  5827] getdents64(4,  <unfinished ...>
[pid  5826] close(3 <unfinished ...>
[pid  5827] <... getdents64 resumed>0x555558d4d730 /* 0 entries */, 32768) = 0
[pid  5827] close(4 <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} ---
[pid  5827] <... close resumed>)        = 0
[pid  5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[   92.172834][ T5829] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN NOPTI
[   92.184986][ T5829] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   92.193513][ T5829] CPU: 0 UID: 0 PID: 5829 Comm: syz-executor217 Not tainted 6.15.0-rc6-syzkaller-00346-g5723cc3450bc #0 PREEMPT(full) 
[   92.206571][ T5829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   92.216658][ T5829] RIP: 0010:lmLogSync+0x22e/0x9d0
[   92.221741][ T5829] Code: b9 b9 fe 4d 8d 7e f0 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 30 6c e5 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 6c e5 fe 49 8b 3f e8 3c b9 b9 fe
[   92.241377][ T5829] RSP: 0018:ffffc90003ed7a40 EFLAGS: 00010216
[   92.247461][ T5829] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff888032ca1e00
[   92.255529][ T5829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   92.263497][ T5829] RBP: ffffc90003ed7b48 R08: ffffc90003ed799f R09: ffffc90003ed7828
[   92.271472][ T5829] R10: dffffc0000000000 R11: fffff520007daf34 R12: ffff888026ef7000
[   92.279494][ T5829] R13: dffffc0000000000 R14: ffff88801b697038 R15: 0000000000000030
[   92.287482][ T5829] FS:  0000555558d44380(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000
[   92.296421][ T5829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.303006][ T5829] CR2: 000055990c890000 CR3: 000000003204a000 CR4: 0000000000350ef0
[   92.310991][ T5829] Call Trace:
[   92.314466][ T5829]  <TASK>
[   92.317415][ T5829]  ? __pfx___mutex_lock+0x10/0x10
[   92.322471][ T5829]  ? __pfx_lmLogSync+0x10/0x10
[   92.327252][ T5829]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[   92.333186][ T5829]  ? __pfx___writeback_inodes_sb_nr+0x10/0x10
[   92.339289][ T5829]  jfs_syncpt+0x7b/0x90
[   92.343458][ T5829]  jfs_sync_fs+0x87/0xa0
[   92.347704][ T5829]  sync_filesystem+0xee/0x230
[   92.352434][ T5829]  generic_shutdown_super+0x6f/0x2c0
[   92.357721][ T5829]  kill_block_super+0x44/0x90
[   92.362402][ T5829]  deactivate_locked_super+0xbc/0x130
[   92.367772][ T5829]  cleanup_mnt+0x425/0x4c0
[   92.372185][ T5829]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.377836][ T5829]  ? lockdep_hardirqs_on+0x9c/0x150
[   92.383161][ T5829]  task_work_run+0x1d4/0x260
[   92.387793][ T5829]  ? __pfx_task_work_run+0x10/0x10
[   92.392918][ T5829]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.398558][ T5829]  ? path_umount+0x249/0xf70
[   92.403157][ T5829]  ptrace_notify+0x281/0x2c0
[   92.407798][ T5829]  ? __pfx_ptrace_notify+0x10/0x10
[   92.412944][ T5829]  ? __pfx_path_umount+0x10/0x10
[   92.417982][ T5829]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.423635][ T5829]  syscall_exit_work+0xc2/0x1d0
[   92.428510][ T5829]  syscall_exit_to_user_mode_prepare+0x6f/0xe0
[   92.434723][ T5829]  syscall_exit_to_user_mode+0x12/0x120
[   92.440279][ T5829]  do_syscall_64+0x103/0x210
[   92.444911][ T5829]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.450574][ T5829]  ? exc_page_fault+0x91/0x110
[   92.455350][ T5829]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.461248][ T5829] RIP: 0033:0x7f554347a4f7
[   92.465665][ T5829] 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
[   92.485280][ T5829] RSP: 002b:00007ffe94622de8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   92.493701][ T5829] RAX: 0000000000000000 RBX: 0000000000016301 RCX: 00007f554347a4f7
[   92.501696][ T5829] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe94622ea0
[   92.509663][ T5829] RBP: 00007ffe94622ea0 R08: 0000000000000000 R09: 0000000000000000
[pid  5845] set_robust_list(0x555558d44660, 24executing program
 <unfinished ...>
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5827] rmdir("./0/file1"./strace-static-x86_64: Process 5846 attached
 <unfinished ...>
[pid  5845] <... set_robust_list resumed>) = 0
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5830] <... clone resumed>, child_tidptr=0x555558d44650) = 5845
[pid  5827] <... rmdir resumed>)        = 0
[pid  5846] set_robust_list(0x555558d44660, 24 <unfinished ...>
[pid  5845] chdir("./1" <unfinished ...>
[pid  5827] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5845] <... chdir resumed>)        = 0
[pid  5831] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5827] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5846] chdir("./1" <unfinished ...>
[pid  5845] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5831] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5827] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5846] <... chdir resumed>)        = 0
[pid  5845] <... prctl resumed>)        = 0
[pid  5831] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] setpgid(0, 0 <unfinished ...>
[pid  5831] <... openat resumed>)       = 3
[pid  5827] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5826] <... clone resumed>, child_tidptr=0x555558d44650) = 5846
[pid  5845] <... setpgid resumed>)      = 0
[pid  5831] newfstatat(3, "",  <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5845] <... openat resumed>)       = 3
[pid  5831] getdents64(3,  <unfinished ...>
[pid  5845] write(3, "1000", 4 <unfinished ...>
[pid  5831] <... getdents64 resumed>0x555558d456f0 /* 4 entries */, 32768) = 112
[pid  5845] <... write resumed>)        = 4
[pid  5831] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5845] close(3)                    = 0
[pid  5845] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5845] write(1, "executing program\n", 18) = 18
[pid  5845] memfd_create("syzkaller", 0) = 3
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f553b000000
[   92.517630][ T5829] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe94623f10
[   92.525599][ T5829] R13: 0000555558d456c0 R14: 0000000000000001 R15: 431bde82d7b634db
[   92.533576][ T5829]  </TASK>
[   92.536585][ T5829] Modules linked in:
[   92.540904][ T5829] ---[ end trace 0000000000000000 ]---
[   92.588042][ T5829] RIP: 0010:lmLogSync+0x22e/0x9d0
[   92.593159][ T5829] Code: b9 b9 fe 4d 8d 7e f0 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 30 6c e5 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 6c e5 fe 49 8b 3f e8 3c b9 b9 fe
[pid  5846] <... prctl resumed>)        = 0
[pid  5827] unlink("./0/binderfs" <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  5846] setpgid(0, 0 <unfinished ...>
[pid  5827] <... unlink resumed>)       = 0
[pid  5846] <... setpgid resumed>)      = 0
[pid  5827] getdents64(3,  <unfinished ...>
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5827] <... getdents64 resumed>0x555558d456f0 /* 0 entries */, 32768) = 0
[pid  5846] <... openat resumed>)       = 3
[pid  5827] close(3)                    = 0
[pid  5846] write(3, "1000", 4 <unfinished ...>
[pid  5827] rmdir("./0" <unfinished ...>
[pid  5845] <... write resumed>)        = 16777216
[pid  5827] <... rmdir resumed>)        = 0
[pid  5827] mkdir("./1", 0777 <unfinished ...>
[pid  5846] <... write resumed>)        = 4
[pid  5845] munmap(0x7f553b000000, 138412032 <unfinished ...>
[pid  5827] <... mkdir resumed>)        = 0
[pid  5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5827] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5827] close(3)                    = 0
[pid  5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  5845] <... munmap resumed>)       = 0
[pid  5827] <... clone resumed>, child_tidptr=0x555558d44650) = 5851
[pid  5846] close(3)                    = 0
[pid  5846] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5846] write(1, "executing program\n", 18) = 18
[pid  5846] memfd_create("syzkaller", 0) = 3
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f553b000000
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5851 attached
 <unfinished ...>
[pid  5851] set_robust_list(0x555558d44660, 24) = 0
[pid  5851] chdir("./1")                = 0
[pid  5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5851] setpgid(0, 0)               = 0
[pid  5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5851] write(3, "1000", 4)         = 4
[pid  5851] close(3)                    = 0
[pid  5851] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5851] write(1, "executing program\n", 18) = 18
[pid  5851] memfd_create("syzkaller", 0) = 3
[pid  5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f553b000000
[   92.823915][ T5829] RSP: 0018:ffffc90003ed7a40 EFLAGS: 00010216
[   92.830080][ T5829] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff888032ca1e00
[pid  5845] <... openat resumed>)       = 4
[pid  5845] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5845] close(3)                    = 0
[pid  5845] close(4)                    = 0
[pid  5845] mkdir("./file1", 0777)      = 0
[   92.882942][ T5829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   92.904521][ T5845] loop4: detected capacity change from 0 to 32768
[   92.921331][ T5829] RBP: ffffc90003ed7b48 R08: ffffc90003ed799f R09: ffffc90003ed7828
[   92.974055][ T5829] R10: dffffc0000000000 R11: fffff520007daf34 R12: ffff888026ef7000
[   92.982107][ T5829] R13: dffffc0000000000 R14: ffff88801b697038 R15: 0000000000000030
[pid  5845] mount("/dev/loop4", "./file1", "jfs", MS_NODIRATIME|MS_SILENT, "nodiscard,quota,iocharset=cp950,grpquota,quota,noquota,nointegrity" <unfinished ...>
[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 ...>
[   93.065127][ T5829] FS:  0000555558d44380(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000
[   93.096615][ T5829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.103531][ T5829] CR2: 00007f553bf04000 CR3: 000000003204a000 CR4: 0000000000350ef0
[   93.156582][ T5829] Kernel panic - not syncing: Fatal exception
[   93.163025][ T5829] Kernel Offset: disabled
[   93.167365][ T5829] Rebooting in 86400 seconds..