./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor63768830

<...>
Warning: Permanently added '10.128.1.39' (ED25519) to the list of known hosts.
execve("./syz-executor63768830", ["./syz-executor63768830"], 0x7ffc0224b0c0 /* 10 vars */) = 0
brk(NULL)                               = 0x555571b4f000
brk(0x555571b4fd00)                     = 0x555571b4fd00
arch_prctl(ARCH_SET_FS, 0x555571b4f380) = 0
set_tid_address(0x555571b4f650)         = 5843
set_robust_list(0x555571b4f660, 24)     = 0
rseq(0x555571b4fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor63768830", 4096) = 26
getrandom("\x0f\xad\xca\x30\xc5\xda\x5c\x30", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555571b4fd00
brk(0x555571b70d00)                     = 0x555571b70d00
brk(0x555571b71000)                     = 0x555571b71000
mprotect(0x7f1c828f5000, 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=0x555571b4f650) = 5844
./strace-static-x86_64: Process 5844 attached
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5844] set_robust_list(0x555571b4f660, 24) = 0
[pid  5844] mkdir("./syzkaller.1nDkD3", 0700./strace-static-x86_64: Process 5845 attached
 <unfinished ...>
[pid  5843] <... clone resumed>, child_tidptr=0x555571b4f650) = 5845
[pid  5845] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5845] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5846 attached
[pid  5844] <... mkdir resumed>)        = 0
[pid  5845] mkdir("./syzkaller.z5yeHb", 0700 <unfinished ...>
[pid  5844] chmod("./syzkaller.1nDkD3", 0777 <unfinished ...>
[pid  5843] <... clone resumed>, child_tidptr=0x555571b4f650) = 5846
[pid  5846] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5844] <... chmod resumed>)        = 0
[pid  5844] chdir("./syzkaller.1nDkD3" <unfinished ...>
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5845] <... mkdir resumed>)        = 0
[pid  5845] chmod("./syzkaller.z5yeHb", 0777 <unfinished ...>
[pid  5844] <... chdir resumed>)        = 0
[pid  5846] mkdir("./syzkaller.ax1wPg", 0700 <unfinished ...>
[pid  5845] <... chmod resumed>)        = 0
[pid  5844] mkdir("./0", 0777./strace-static-x86_64: Process 5847 attached
 <unfinished ...>
[pid  5845] chdir("./syzkaller.z5yeHb") = 0
[pid  5845] mkdir("./0", 0777 <unfinished ...>
[pid  5847] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5846] <... mkdir resumed>)        = 0
[pid  5844] <... mkdir resumed>)        = 0
[pid  5846] chmod("./syzkaller.ax1wPg", 0777) = 0
[pid  5843] <... clone resumed>, child_tidptr=0x555571b4f650) = 5847
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5846] chdir("./syzkaller.ax1wPg" <unfinished ...>
[pid  5845] <... mkdir resumed>)        = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5847] mkdir("./syzkaller.txEw4u", 0700 <unfinished ...>
[pid  5846] <... chdir resumed>)        = 0
[pid  5845] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5848 attached
[pid  5846] mkdir("./0", 0777 <unfinished ...>
[pid  5845] <... openat resumed>)       = 3
[pid  5843] <... clone resumed>, child_tidptr=0x555571b4f650) = 5848
[pid  5846] <... mkdir resumed>)        = 0
[pid  5844] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5848] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5847] <... mkdir resumed>)        = 0
[pid  5848] <... set_robust_list resumed>) = 0
[pid  5845] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5844] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5845] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5845] close(3 <unfinished ...>
[pid  5844] close(3 <unfinished ...>
[pid  5848] mkdir("./syzkaller.BUCMUl", 0700) = 0
[pid  5847] chmod("./syzkaller.txEw4u", 0777 <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5844] <... close resumed>)        = 0
[pid  5846] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5848] chmod("./syzkaller.BUCMUl", 0777 <unfinished ...>
[pid  5847] <... chmod resumed>)        = 0
[pid  5846] <... openat resumed>)       = 3
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached
./strace-static-x86_64: Process 5850 attached
 <unfinished ...>
[pid  5848] <... chmod resumed>)        = 0
[pid  5847] chdir("./syzkaller.txEw4u" <unfinished ...>
[pid  5848] chdir("./syzkaller.BUCMUl" <unfinished ...>
[pid  5847] <... chdir resumed>)        = 0
[pid  5846] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5848] <... chdir resumed>)        = 0
[pid  5847] mkdir("./0", 0777 <unfinished ...>
[pid  5846] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5848] mkdir("./0", 0777 <unfinished ...>
[pid  5847] <... mkdir resumed>)        = 0
[pid  5846] close(3 <unfinished ...>
[pid  5848] <... mkdir resumed>)        = 0
[pid  5846] <... close resumed>)        = 0
[pid  5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5850] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5849] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5845] <... clone resumed>, child_tidptr=0x555571b4f650) = 5849
[pid  5844] <... clone resumed>, child_tidptr=0x555571b4f650) = 5850
[pid  5850] <... set_robust_list resumed>) = 0
[pid  5849] <... set_robust_list resumed>) = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5850] chdir("./0" <unfinished ...>
[pid  5849] chdir("./0" <unfinished ...>
[pid  5847] <... openat resumed>)       = 3
[pid  5850] <... chdir resumed>)        = 0
[pid  5849] <... chdir resumed>)        = 0
[pid  5848] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5850] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5848] <... openat resumed>)       = 3
[pid  5850] <... prctl resumed>)        = 0
[pid  5849] <... prctl resumed>)        = 0
[pid  5850] setpgid(0, 0 <unfinished ...>
[pid  5849] setpgid(0, 0 <unfinished ...>
[pid  5847] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5851 attached
 <unfinished ...>
[pid  5850] <... setpgid resumed>)      = 0
[pid  5849] <... setpgid resumed>)      = 0
[pid  5848] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5847] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5846] <... clone resumed>, child_tidptr=0x555571b4f650) = 5851
[pid  5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5848] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5847] close(3 <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5847] <... close resumed>)        = 0
[pid  5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5851] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5850] <... openat resumed>)       = 3
[pid  5849] <... openat resumed>)       = 3
[pid  5848] close(3./strace-static-x86_64: Process 5852 attached
 <unfinished ...>
[pid  5849] write(3, "1000", 4 <unfinished ...>
[pid  5848] <... close resumed>)        = 0
[pid  5851] <... set_robust_list resumed>) = 0
[pid  5850] write(3, "1000", 4 <unfinished ...>
[pid  5849] <... write resumed>)        = 4
[pid  5849] close(3 <unfinished ...>
[pid  5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5852] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5851] chdir("./0" <unfinished ...>
[pid  5850] <... write resumed>)        = 4
[pid  5849] <... close resumed>)        = 0
./strace-static-x86_64: Process 5853 attached
[pid  5852] <... set_robust_list resumed>) = 0
[pid  5850] close(3 <unfinished ...>
[pid  5849] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5851] <... chdir resumed>)        = 0
[pid  5847] <... clone resumed>, child_tidptr=0x555571b4f650) = 5852
[pid  5848] <... clone resumed>, child_tidptr=0x555571b4f650) = 5853
[pid  5853] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5852] chdir("./0" <unfinished ...>
[pid  5851] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
 <unfinished ...>
[pid  5850] <... close resumed>)        = 0
[pid  5849] <... symlink resumed>)      = 0
[pid  5853] <... set_robust_list resumed>) = 0
[pid  5852] <... chdir resumed>)        = 0
[pid  5851] <... prctl resumed>)        = 0
[pid  5850] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5849] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] chdir("./0" <unfinished ...>
[pid  5852] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5851] setpgid(0, 0 <unfinished ...>
[pid  5850] <... symlink resumed>)      = 0
[pid  5849] <... write resumed>)        = 18
executing program
[pid  5852] <... prctl resumed>)        = 0
[pid  5851] <... setpgid resumed>)      = 0
[pid  5849] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5853] <... chdir resumed>)        = 0
[pid  5852] setpgid(0, 0 <unfinished ...>
[pid  5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5850] write(1, "executing program\n", 18 <unfinished ...>
[pid  5849] <... memfd_create resumed>) = 3
[pid  5853] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5852] <... setpgid resumed>)      = 0
[pid  5851] <... openat resumed>)       = 3
[pid  5850] <... write resumed>)        = 18
[pid  5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5853] <... prctl resumed>)        = 0
[pid  5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] setpgid(0, 0 <unfinished ...>
[pid  5850] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5853] <... setpgid resumed>)      = 0
[pid  5852] <... openat resumed>)       = 3
[pid  5851] write(3, "1000", 4 <unfinished ...>
[pid  5849] <... mmap resumed>)         = 0x7f1c7a400000
[pid  5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5851] <... write resumed>)        = 4
[pid  5852] write(3, "1000", 4 <unfinished ...>
[pid  5850] <... memfd_create resumed>) = 3
[pid  5852] <... write resumed>)        = 4
[pid  5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5852] close(3 <unfinished ...>
[pid  5850] <... mmap resumed>)         = 0x7f1c7a400000
[pid  5852] <... close resumed>)        = 0
[pid  5852] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5853] <... openat resumed>)       = 3
[pid  5851] close(3 <unfinished ...>
[pid  5853] write(3, "1000", 4 <unfinished ...>
[pid  5851] <... close resumed>)        = 0
[pid  5853] <... write resumed>)        = 4
[pid  5851] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5852] write(1, "executing program\n", 18) = 18
[pid  5853] <... close resumed>)        = 0
[pid  5852] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5851] <... symlink resumed>)      = 0
[pid  5853] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5851] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... symlink resumed>)      = 0
[pid  5853] write(1, "executing program\n", 18 <unfinished ...>
[pid  5851] <... write resumed>)        = 18
[pid  5853] <... write resumed>)        = 18
[pid  5852] <... memfd_create resumed>) = 3
[pid  5851] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1c7a400000
[pid  5853] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5851] <... memfd_create resumed>) = 3
executing program
executing program
[pid  5853] <... memfd_create resumed>) = 3
[pid  5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1c7a400000
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1c7a400000
[pid  5851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5850] write(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  5853] 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  5852] 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  5853] <... write resumed>)        = 16777216
[pid  5853] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5852] <... write resumed>)        = 16777216
[pid  5852] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5850] <... write resumed>)        = 16777216
[pid  5850] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5851] <... write resumed>)        = 16777216
[pid  5849] <... write resumed>)        = 16777216
[pid  5851] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5852] <... munmap resumed>)       = 0
[pid  5850] <... munmap resumed>)       = 0
[pid  5852] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5849] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5852] <... openat resumed>)       = 4
[pid  5852] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5853] <... munmap resumed>)       = 0
[pid  5850] <... openat resumed>)       = 4
[pid  5853] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5850] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5853] <... openat resumed>)       = 4
[pid  5852] <... ioctl resumed>)        = 0
[pid  5850] <... ioctl resumed>)        = 0
[pid  5849] <... munmap resumed>)       = 0
[pid  5853] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5852] close(3 <unfinished ...>
[pid  5850] close(3 <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5852] <... close resumed>)        = 0
[pid  5850] <... close resumed>)        = 0
[pid  5849] <... openat resumed>)       = 4
[pid  5852] close(4 <unfinished ...>
[pid  5850] close(4)                    = 0
[pid  5852] <... close resumed>)        = 0
[pid  5850] mkdir("./file0", 0777 <unfinished ...>
[pid  5849] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5850] <... mkdir resumed>)        = 0
[pid  5852] mkdir("./file0", 0777 <unfinished ...>
[pid  5850] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5852] <... mkdir resumed>)        = 0
[pid  5851] <... munmap resumed>)       = 0
[pid  5850] <... mount resumed>)        = 0
[   84.586479][ T5852] loop3: detected capacity change from 0 to 32768
[   84.598873][ T5850] loop0: detected capacity change from 0 to 32768
[   84.625953][ T5853] loop4: detected capacity change from 0 to 32768
[pid  5852] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5853] <... ioctl resumed>)        = 0
[pid  5853] close(3)                    = 0
[pid  5853] close(4)                    = 0
[pid  5850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5853] mkdir("./file0", 0777)      = 0
[pid  5851] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5850] <... openat resumed>)       = 3
[pid  5849] <... ioctl resumed>)        = 0
[pid  5850] chdir("./file0" <unfinished ...>
[pid  5851] <... openat resumed>)       = 4
[pid  5849] close(3 <unfinished ...>
[pid  5851] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5850] <... chdir resumed>)        = 0
[pid  5852] <... mount resumed>)        = 0
[pid  5852] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5852] chdir("./file0")            = 0
[pid  5852] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5853] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5852] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5852] exit_group(0)               = ?
[pid  5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5849] <... close resumed>)        = 0
[pid  5850] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5849] close(4)                    = 0
[pid  5850] exit_group(0 <unfinished ...>
[pid  5849] mkdir("./file0", 0777 <unfinished ...>
[pid  5850] <... exit_group resumed>)   = ?
[pid  5849] <... mkdir resumed>)        = 0
[pid  5850] +++ exited with 0 +++
[pid  5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=20 /* 0.20 s */} ---
[pid  5844] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5852] +++ exited with 0 +++
[pid  5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} ---
[pid  5847] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... mount resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5849] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5844] <... restart_syscall resumed>) = 0
[pid  5844] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5844] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] getdents64(3, 0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5844] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] <... restart_syscall resumed>) = 0
[pid  5851] <... ioctl resumed>)        = 0
[pid  5847] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5851] close(3 <unfinished ...>
[pid  5847] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5844] <... umount2 resumed>)      = 0
[pid  5851] <... close resumed>)        = 0
[pid  5849] <... mount resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5851] close(4 <unfinished ...>
[pid  5849] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5847] <... openat resumed>)       = 3
[pid  5851] <... close resumed>)        = 0
[pid  5847] newfstatat(3, "",  <unfinished ...>
[pid  5849] <... openat resumed>)       = 3
[pid  5849] chdir("./file0" <unfinished ...>
[pid  5847] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5849] <... chdir resumed>)        = 0
[pid  5853] chdir("./file0" <unfinished ...>
[pid  5851] mkdir("./file0", 0777 <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5847] getdents64(3,  <unfinished ...>
[pid  5844] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... chdir resumed>)        = 0
[pid  5849] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5847] <... getdents64 resumed>0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5847] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5853] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5849] exit_group(0 <unfinished ...>
[pid  5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] exit_group(0 <unfinished ...>
[pid  5849] <... exit_group resumed>)   = ?
[pid  5844] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... exit_group resumed>)   = ?
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] +++ exited with 0 +++
[pid  5849] +++ exited with 0 +++
[pid  5844] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=23 /* 0.23 s */} ---
[pid  5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=25 /* 0.25 s */} ---
[pid  5844] <... openat resumed>)       = 4
[pid  5848] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5845] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] getdents64(4, 0x555571b58730 /* 2 entries */, 32768) = 48
[   84.636382][ T5849] loop1: detected capacity change from 0 to 32768
[   84.661568][ T5851] loop2: detected capacity change from 0 to 32768
[pid  5844] getdents64(4,  <unfinished ...>
[pid  5851] <... mkdir resumed>)        = 0
[pid  5848] <... restart_syscall resumed>) = 0
[pid  5847] <... umount2 resumed>)      = 0
[pid  5845] <... restart_syscall resumed>) = 0
[pid  5847] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5848] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5845] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5848] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5847] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5845] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5848] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5847] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5845] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5848] <... openat resumed>)       = 3
[pid  5847] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5845] <... openat resumed>)       = 3
[pid  5844] <... getdents64 resumed>0x555571b58730 /* 0 entries */, 32768) = 0
[pid  5851] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5848] newfstatat(3, "",  <unfinished ...>
[pid  5847] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5845] newfstatat(3, "",  <unfinished ...>
[pid  5844] close(4 <unfinished ...>
[pid  5848] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5847] <... openat resumed>)       = 4
[pid  5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] <... close resumed>)        = 0
[pid  5848] getdents64(3,  <unfinished ...>
[pid  5847] newfstatat(4, "",  <unfinished ...>
[pid  5845] getdents64(3,  <unfinished ...>
[pid  5844] rmdir("./0/file0" <unfinished ...>
[pid  5848] <... getdents64 resumed>0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5847] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5845] <... getdents64 resumed>0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5848] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] getdents64(4,  <unfinished ...>
[pid  5845] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] <... rmdir resumed>)        = 0
[pid  5847] <... getdents64 resumed>0x555571b58730 /* 2 entries */, 32768) = 48
[pid  5847] getdents64(4, 0x555571b58730 /* 0 entries */, 32768) = 0
[pid  5847] close(4)                    = 0
[pid  5847] rmdir("./0/file0")          = 0
[pid  5847] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5847] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5844] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5847] unlink("./0/binderfs" <unfinished ...>
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5844] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5847] <... unlink resumed>)       = 0
[pid  5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5847] getdents64(3,  <unfinished ...>
[pid  5845] <... umount2 resumed>)      = 0
[pid  5844] unlink("./0/binderfs")      = 0
[pid  5844] getdents64(3, 0x555571b506f0 /* 0 entries */, 32768) = 0
[pid  5844] close(3)                    = 0
[pid  5844] rmdir("./0")                = 0
[pid  5845] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] <... getdents64 resumed>0x555571b506f0 /* 0 entries */, 32768) = 0
[pid  5845] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5847] close(3 <unfinished ...>
[pid  5845] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5847] <... close resumed>)        = 0
[pid  5845] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] rmdir("./0" <unfinished ...>
[pid  5845] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5847] <... rmdir resumed>)        = 0
[pid  5845] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5848] <... umount2 resumed>)      = 0
[pid  5845] <... openat resumed>)       = 4
[pid  5844] mkdir("./1", 0777 <unfinished ...>
[pid  5848] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5845] newfstatat(4, "",  <unfinished ...>
[pid  5848] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] <... mkdir resumed>)        = 0
[pid  5848] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5845] getdents64(4,  <unfinished ...>
[pid  5848] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] mkdir("./1", 0777 <unfinished ...>
[pid  5845] <... getdents64 resumed>0x555571b58730 /* 2 entries */, 32768) = 48
[pid  5848] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5845] getdents64(4,  <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5848] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5847] <... mkdir resumed>)        = 0
[pid  5845] <... getdents64 resumed>0x555571b58730 /* 0 entries */, 32768) = 0
[pid  5848] <... openat resumed>)       = 4
[pid  5845] close(4 <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
[pid  5847] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5848] newfstatat(4, "",  <unfinished ...>
[pid  5847] <... openat resumed>)       = 3
[pid  5845] <... close resumed>)        = 0
[pid  5848] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5847] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5844] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5851] <... mount resumed>)        = 0
[pid  5848] getdents64(4,  <unfinished ...>
[pid  5847] <... ioctl resumed>)        = 0
[pid  5845] rmdir("./0/file0" <unfinished ...>
[pid  5844] <... ioctl resumed>)        = 0
[pid  5848] <... getdents64 resumed>0x555571b58730 /* 2 entries */, 32768) = 48
[pid  5847] close(3 <unfinished ...>
[pid  5844] close(3)                    = 0
[pid  5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached
 <unfinished ...>
[pid  5848] getdents64(4,  <unfinished ...>
[pid  5847] <... close resumed>)        = 0
[pid  5845] <... rmdir resumed>)        = 0
[pid  5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5848] <... getdents64 resumed>0x555571b58730 /* 0 entries */, 32768) = 0
[pid  5851] <... openat resumed>)       = 3
[pid  5848] close(4 <unfinished ...>
[pid  5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5859] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5845] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5859] <... set_robust_list resumed>) = 0
[pid  5848] <... close resumed>)        = 0
[pid  5845] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5845] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5844] <... clone resumed>, child_tidptr=0x555571b4f650) = 5859
[pid  5859] chdir("./1" <unfinished ...>
[pid  5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5859] <... chdir resumed>)        = 0
[pid  5848] rmdir("./0/file0" <unfinished ...>
[pid  5845] unlink("./0/binderfs" <unfinished ...>
[pid  5851] chdir("./file0" <unfinished ...>
[pid  5848] <... rmdir resumed>)        = 0
[pid  5845] <... unlink resumed>)       = 0
[pid  5851] <... chdir resumed>)        = 0
[pid  5845] getdents64(3, 0x555571b506f0 /* 0 entries */, 32768) = 0
[pid  5851] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5845] close(3)                    = 0
[pid  5851] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5845] rmdir("./0")                = 0
[pid  5845] mkdir("./1", 0777)          = 0
[pid  5859] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5859] <... prctl resumed>)        = 0
[pid  5845] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5860 attached
[pid  5859] setpgid(0, 0 <unfinished ...>
[pid  5851] exit_group(0 <unfinished ...>
[pid  5848] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] <... clone resumed>, child_tidptr=0x555571b4f650) = 5860
[pid  5845] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5859] <... setpgid resumed>)      = 0
[pid  5851] <... exit_group resumed>)   = ?
[pid  5848] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5851] +++ exited with 0 +++
[pid  5848] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5845] <... ioctl resumed>)        = 0
[pid  5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
[pid  5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5846] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5845] close(3 <unfinished ...>
[pid  5848] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5860] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5859] <... openat resumed>)       = 3
[pid  5848] unlink("./0/binderfs" <unfinished ...>
[pid  5846] <... restart_syscall resumed>) = 0
[pid  5845] <... close resumed>)        = 0
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5860] <... set_robust_list resumed>) = 0
[pid  5859] write(3, "1000", 4 <unfinished ...>
[pid  5848] <... unlink resumed>)       = 0
[pid  5846] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5846] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
./strace-static-x86_64: Process 5861 attached
[pid  5860] chdir("./1" <unfinished ...>
[pid  5859] <... write resumed>)        = 4
[pid  5848] getdents64(3,  <unfinished ...>
[pid  5846] getdents64(3,  <unfinished ...>
[pid  5861] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5860] <... chdir resumed>)        = 0
[pid  5859] close(3 <unfinished ...>
[pid  5848] <... getdents64 resumed>0x555571b506f0 /* 0 entries */, 32768) = 0
[pid  5846] <... getdents64 resumed>0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5845] <... clone resumed>, child_tidptr=0x555571b4f650) = 5861
[pid  5861] <... set_robust_list resumed>) = 0
[pid  5860] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5859] <... close resumed>)        = 0
[pid  5848] close(3 <unfinished ...>
[pid  5846] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5861] chdir("./1" <unfinished ...>
[pid  5860] <... prctl resumed>)        = 0
[pid  5859] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5848] <... close resumed>)        = 0
[pid  5860] setpgid(0, 0 <unfinished ...>
[pid  5859] <... symlink resumed>)      = 0
[pid  5848] rmdir("./0" <unfinished ...>
[pid  5861] <... chdir resumed>)        = 0
executing program
[pid  5860] <... setpgid resumed>)      = 0
[pid  5848] <... rmdir resumed>)        = 0
[pid  5861] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5859] write(1, "executing program\n", 18 <unfinished ...>
[pid  5846] <... umount2 resumed>)      = 0
[pid  5859] <... write resumed>)        = 18
[pid  5859] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5848] mkdir("./1", 0777 <unfinished ...>
[pid  5846] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5848] <... mkdir resumed>)        = 0
[pid  5846] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5859] <... memfd_create resumed>) = 3
[pid  5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5846] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5861] <... prctl resumed>)        = 0
executing program
[pid  5861] setpgid(0, 0 <unfinished ...>
[pid  5859] <... mmap resumed>)         = 0x7f1c7a400000
[pid  5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5861] <... setpgid resumed>)      = 0
[pid  5848] <... openat resumed>)       = 3
[pid  5846] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5861] write(3, "1000", 4)         = 4
[pid  5861] close(3)                    = 0
[pid  5861] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5861] write(1, "executing program\n", 18) = 18
[pid  5861] memfd_create("syzkaller", 0) = 3
[pid  5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1c7a400000
[pid  5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5848] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5846] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5846] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5848] <... ioctl resumed>)        = 0
[pid  5846] <... openat resumed>)       = 4
[pid  5848] close(3)                    = 0
[pid  5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5860] <... openat resumed>)       = 3
[pid  5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5846] getdents64(4, 0x555571b58730 /* 2 entries */, 32768) = 48
[pid  5860] write(3, "1000", 4 <unfinished ...>
[pid  5846] getdents64(4,  <unfinished ...>
[pid  5860] <... write resumed>)        = 4
[pid  5846] <... getdents64 resumed>0x555571b58730 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 5863 attached
executing program
[pid  5860] close(3 <unfinished ...>
[pid  5846] close(4 <unfinished ...>
[pid  5863] set_robust_list(0x555571b4f660, 24 <unfinished ...>
[pid  5846] <... close resumed>)        = 0
[pid  5860] <... close resumed>)        = 0
[pid  5863] <... set_robust_list resumed>) = 0
[pid  5863] chdir("./1")                = 0
[pid  5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5863] setpgid(0, 0)               = 0
[pid  5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5860] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5846] rmdir("./0/file0" <unfinished ...>
[pid  5860] <... symlink resumed>)      = 0
[pid  5863] <... openat resumed>)       = 3
[pid  5860] write(1, "executing program\n", 18 <unfinished ...>
[pid  5846] <... rmdir resumed>)        = 0
[pid  5860] <... write resumed>)        = 18
[pid  5863] write(3, "1000", 4 <unfinished ...>
[pid  5846] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5863] <... write resumed>)        = 4
[pid  5863] close(3)                    = 0
[pid  5863] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5860] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5846] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5848] <... clone resumed>, child_tidptr=0x555571b4f650) = 5863
[pid  5860] <... memfd_create resumed>) = 3
[pid  5846] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program
 <unfinished ...>
[pid  5863] write(1, "executing program\n", 18) = 18
[pid  5863] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5860] <... mmap resumed>)         = 0x7f1c7a400000
[pid  5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5863] <... memfd_create resumed>) = 3
[pid  5846] unlink("./0/binderfs" <unfinished ...>
[pid  5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1c7a400000
[pid  5846] <... unlink resumed>)       = 0
[pid  5846] getdents64(3, 0x555571b506f0 /* 0 entries */, 32768) = 0
[pid  5846] close(3)                    = 0
[pid  5846] rmdir("./0")                = 0
[pid  5846] mkdir("./1", 0777)          = 0
[pid  5846] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5846] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5846] close(3)                    = 0
[pid  5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5865 attached
, child_tidptr=0x555571b4f650) = 5865
[pid  5865] set_robust_list(0x555571b4f660, 24) = 0
[pid  5865] chdir("./1")                = 0
[pid  5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5865] setpgid(0, 0)               = 0
[pid  5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5865] write(3, "1000", 4)         = 4
[pid  5865] close(3)                    = 0
[pid  5865] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5865] write(1, "executing program\n", 18) = 18
[pid  5865] memfd_create("syzkaller", 0) = 3
[pid  5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1c7a400000
[pid  5859] 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  5861] 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  5863] 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  5860] 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  5865] 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  5861] <... write resumed>)        = 16777216
[pid  5859] <... write resumed>)        = 16777216
[pid  5863] <... write resumed>)        = 16777216
[pid  5861] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5860] <... write resumed>)        = 16777216
[pid  5859] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5860] munmap(0x7f1c7a400000, 138412032) = 0
[pid  5865] <... write resumed>)        = 16777216
[pid  5863] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5865] munmap(0x7f1c7a400000, 138412032 <unfinished ...>
[pid  5861] <... munmap resumed>)       = 0
[pid  5860] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5859] <... munmap resumed>)       = 0
[pid  5861] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5861] <... openat resumed>)       = 4
[pid  5860] <... openat resumed>)       = 4
[pid  5859] <... openat resumed>)       = 4
[pid  5861] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5859] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5860] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5861] <... ioctl resumed>)        = 0
[pid  5863] <... munmap resumed>)       = 0
[pid  5859] <... ioctl resumed>)        = 0
[pid  5861] close(3)                    = 0
[pid  5861] close(4)                    = 0
[pid  5861] mkdir("./file0", 0777)      = 0
[pid  5861] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5859] close(3)                    = 0
[pid  5859] close(4)                    = 0
[pid  5859] mkdir("./file0", 0777)      = 0
[pid  5865] <... munmap resumed>)       = 0
[pid  5863] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5861] <... mount resumed>)        = 0
[pid  5861] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5861] chdir("./file0")            = 0
[pid  5861] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5861] exit_group(0)               = ?
[pid  5861] +++ exited with 0 +++
[pid  5863] <... openat resumed>)       = 4
[pid  5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=20 /* 0.20 s */} ---
[pid  5859] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5845] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[   85.970075][ T5861] loop1: detected capacity change from 0 to 32768
[   85.978757][ T5859] loop0: detected capacity change from 0 to 32768
[   85.996374][ T5860] loop3: detected capacity change from 0 to 32768
[pid  5863] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5845] <... restart_syscall resumed>) = 0
[pid  5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5863] <... ioctl resumed>)        = 0
[pid  5860] <... ioctl resumed>)        = 0
[pid  5865] <... openat resumed>)       = 4
[pid  5863] close(3 <unfinished ...>
[pid  5865] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5860] close(3 <unfinished ...>
[pid  5863] <... close resumed>)        = 0
[pid  5860] <... close resumed>)        = 0
[pid  5845] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5863] close(4 <unfinished ...>
[pid  5860] close(4 <unfinished ...>
[pid  5863] <... close resumed>)        = 0
[pid  5860] <... close resumed>)        = 0
[pid  5845] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5863] mkdir("./file0", 0777 <unfinished ...>
[pid  5860] mkdir("./file0", 0777 <unfinished ...>
[pid  5859] <... mount resumed>)        = 0
[pid  5845] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5865] <... ioctl resumed>)        = 0
[pid  5863] <... mkdir resumed>)        = 0
[pid  5860] <... mkdir resumed>)        = 0
[pid  5859] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5863] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5859] <... openat resumed>)       = 3
[pid  5845] <... openat resumed>)       = 3
[pid  5865] close(3 <unfinished ...>
[pid  5860] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5859] chdir("./file0" <unfinished ...>
[pid  5865] <... close resumed>)        = 0
[pid  5859] <... chdir resumed>)        = 0
[pid  5845] newfstatat(3, "",  <unfinished ...>
[pid  5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5865] close(4 <unfinished ...>
[pid  5859] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5865] <... close resumed>)        = 0
[pid  5859] exit_group(0 <unfinished ...>
[pid  5865] mkdir("./file0", 0777 <unfinished ...>
[pid  5859] <... exit_group resumed>)   = ?
[pid  5865] <... mkdir resumed>)        = 0
[pid  5859] +++ exited with 0 +++
[pid  5845] getdents64(3,  <unfinished ...>
[pid  5865] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "errors=continue,discard=0x000000000000aff9,iocharset=koi8-r,nodiscard,nointegrity,nodiscard,nointegr"... <unfinished ...>
[pid  5863] <... mount resumed>)        = 0
[pid  5845] <... getdents64 resumed>0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} ---
[pid  5845] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5860] <... mount resumed>)        = 0
[pid  5844] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5860] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5860] <... openat resumed>)       = 3
[pid  5844] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5860] chdir("./file0")            = 0
[pid  5844] <... openat resumed>)       = 3
[   86.019652][ T5863] loop4: detected capacity change from 0 to 32768
[   86.038586][ T5865] loop2: detected capacity change from 0 to 32768
[pid  5860] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5844] newfstatat(3, "",  <unfinished ...>
[pid  5860] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5863] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5860] exit_group(0 <unfinished ...>
[pid  5844] getdents64(3,  <unfinished ...>
[pid  5863] <... openat resumed>)       = 3
[pid  5860] <... exit_group resumed>)   = ?
[pid  5863] chdir("./file0" <unfinished ...>
[pid  5844] <... getdents64 resumed>0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5863] <... chdir resumed>)        = 0
[pid  5844] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5863] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5863] exit_group(0)               = ?
[pid  5865] <... mount resumed>)        = 0
[pid  5860] +++ exited with 0 +++
[pid  5844] <... umount2 resumed>)      = 0
[pid  5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=21 /* 0.21 s */} ---
[pid  5844] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5844] newfstatat(AT_FDCWD, "./1/file0",  <unfinished ...>
[pid  5863] +++ exited with 0 +++
[pid  5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=19 /* 0.19 s */} ---
[pid  5848] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5848] <... restart_syscall resumed>) = 0
[pid  5847] <... restart_syscall resumed>) = 0
[pid  5844] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5865] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5865] chdir("./file0" <unfinished ...>
[pid  5848] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5865] <... chdir resumed>)        = 0
[pid  5848] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5847] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5848] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5847] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5844] <... openat resumed>)       = 4
[pid  5848] <... openat resumed>)       = 3
[pid  5847] <... openat resumed>)       = 3
[pid  5844] newfstatat(4, "",  <unfinished ...>
[pid  5865] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5848] newfstatat(3, "",  <unfinished ...>
[pid  5847] newfstatat(3, "",  <unfinished ...>
[pid  5865] exit_group(0 <unfinished ...>
[pid  5848] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5847] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5865] <... exit_group resumed>)   = ?
[pid  5848] getdents64(3,  <unfinished ...>
[pid  5847] getdents64(3,  <unfinished ...>
[pid  5845] <... umount2 resumed>)      = 0
[pid  5844] getdents64(4,  <unfinished ...>
[pid  5848] <... getdents64 resumed>0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5847] <... getdents64 resumed>0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5848] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5847] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] <... getdents64 resumed>0x555571b58730 /* 2 entries */, 32768) = 48
[   86.125061][ T5848] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
[   86.137002][ T5848] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   86.145464][ T5848] CPU: 0 UID: 0 PID: 5848 Comm: syz-executor637 Not tainted 6.16.0-rc6-syzkaller-00281-gf4a40a4282f4 #0 PREEMPT(full) 
[   86.157893][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   86.167975][ T5848] RIP: 0010:lmLogSync+0x22e/0x9d0
[   86.173028][ T5848] Code: ef b8 fe 4d 8d 7e f0 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 10 7f e3 fe 4d 8b 3f 49 83 c7 30 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 f4 7e e3 fe 49 8b 3f e8 4c ef b8 fe
[   86.192642][ T5848] RSP: 0018:ffffc9000414fa80 EFLAGS: 00010206
[   86.198710][ T5848] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff8880303a9e00
[   86.206673][ T5848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   86.214635][ T5848] RBP: ffffc9000414fb88 R08: ffffc9000414f9df R09: 0000000000000000
[   86.222601][ T5848] R10: ffffc9000414f868 R11: fffff52000829f3c R12: ffff888030d93800
[   86.230565][ T5848] R13: ffff88807abb2160 R14: ffff8880328eb638 R15: 0000000000000030
[   86.238528][ T5848] FS:  0000555571b4f380(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
[   86.247453][ T5848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.254030][ T5848] CR2: 00007f1208167000 CR3: 000000007e8c4000 CR4: 00000000003526f0
[   86.261999][ T5848] Call Trace:
[   86.265269][ T5848]  <TASK>
[   86.268196][ T5848]  ? __pfx___mutex_lock+0x10/0x10
[   86.273230][ T5848]  ? __pfx_lmLogSync+0x10/0x10
[   86.277996][ T5848]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[   86.283885][ T5848]  ? __pfx___writeback_inodes_sb_nr+0x10/0x10
[   86.289953][ T5848]  jfs_syncpt+0x7b/0x90
[   86.294112][ T5848]  jfs_sync_fs+0x87/0xa0
[   86.298354][ T5848]  sync_filesystem+0x1cc/0x230
[   86.303160][ T5848]  generic_shutdown_super+0x6f/0x2c0
[   86.308461][ T5848]  kill_block_super+0x44/0x90
[   86.313129][ T5848]  deactivate_locked_super+0xb9/0x130
[   86.318530][ T5848]  cleanup_mnt+0x425/0x4c0
[   86.323578][ T5848]  ? lockdep_hardirqs_on+0x9c/0x150
[   86.330973][ T5848]  task_work_run+0x1d4/0x260
[   86.335580][ T5848]  ? __pfx_task_work_run+0x10/0x10
[   86.340697][ T5848]  ? __x64_sys_umount+0x122/0x160
[   86.345743][ T5848]  ptrace_notify+0x281/0x2c0
[   86.350346][ T5848]  ? __pfx_ptrace_notify+0x10/0x10
[   86.355453][ T5848]  ? __x64_sys_umount+0x122/0x160
[   86.360471][ T5848]  ? __pfx___x64_sys_umount+0x10/0x10
[   86.365838][ T5848]  syscall_exit_work+0xc6/0x1d0
[   86.370684][ T5848]  do_syscall_64+0x2ad/0x3b0
[   86.375271][ T5848]  ? lockdep_hardirqs_on+0x9c/0x150
[   86.380465][ T5848]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   86.386530][ T5848]  ? clear_bhb_loop+0x60/0xb0
[   86.391205][ T5848]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   86.397093][ T5848] RIP: 0033:0x7f1c8287c677
[   86.401516][ T5848] 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
[   86.421120][ T5848] RSP: 002b:00007ffcac89d738 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   86.429532][ T5848] RAX: 0000000000000000 RBX: 0000000000014b79 RCX: 00007f1c8287c677
[   86.437501][ T5848] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcac89d7f0
[   86.445462][ T5848] RBP: 00007ffcac89d7f0 R08: 0000000000000000 R09: 0000000000000000
[   86.453426][ T5848] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffcac89e860
[   86.461395][ T5848] R13: 0000555571b506c0 R14: 431bde82d7b634db R15: 00007ffcac89e880
[   86.469368][ T5848]  </TASK>
[   86.472378][ T5848] Modules linked in:
[pid  5844] getdents64(4,  <unfinished ...>
[pid  5845] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] <... getdents64 resumed>0x555571b58730 /* 0 entries */, 32768) = 0
[pid  5845] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5844] close(4 <unfinished ...>
[pid  5845] newfstatat(AT_FDCWD, "./1/file0",  <unfinished ...>
[pid  5844] <... close resumed>)        = 0
[pid  5865] +++ exited with 0 +++
[pid  5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=26 /* 0.26 s */} ---
[pid  5846] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5846] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5846] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5846] getdents64(3, 0x555571b506f0 /* 4 entries */, 32768) = 112
[pid  5846] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5844] rmdir("./1/file0" <unfinished ...>
[pid  5845] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] <... rmdir resumed>)        = 0
[pid  5845] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5844] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5845] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5845] <... openat resumed>)       = 4
[pid  5844] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5845] newfstatat(4, "",  <unfinished ...>
[pid  5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] unlink("./1/binderfs" <unfinished ...>
[pid  5845] getdents64(4,  <unfinished ...>
[pid  5844] <... unlink resumed>)       = 0
[pid  5845] <... getdents64 resumed>0x555571b58730 /* 2 entries */, 32768) = 48
[pid  5844] getdents64(3,  <unfinished ...>
[pid  5845] getdents64(4,  <unfinished ...>
[pid  5844] <... getdents64 resumed>0x555571b506f0 /* 0 entries */, 32768) = 0
[pid  5845] <... getdents64 resumed>0x555571b58730 /* 0 entries */, 32768) = 0
[pid  5844] close(3 <unfinished ...>
[pid  5845] close(4 <unfinished ...>
[pid  5844] <... close resumed>)        = 0
[pid  5845] <... close resumed>)        = 0
[pid  5844] rmdir("./1" <unfinished ...>
[pid  5845] rmdir("./1/file0" <unfinished ...>
[pid  5844] <... rmdir resumed>)        = 0
[pid  5845] <... rmdir resumed>)        = 0
[pid  5844] mkdir("./2", 0777 <unfinished ...>
[pid  5845] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] <... mkdir resumed>)        = 0
[pid  5845] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5845] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
[pid  5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5844] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5845] unlink("./1/binderfs" <unfinished ...>
[pid  5844] <... ioctl resumed>)        = 0
[pid  5845] <... unlink resumed>)       = 0
[pid  5844] close(3 <unfinished ...>
[pid  5845] getdents64(3,  <unfinished ...>
[pid  5844] <... close resumed>)        = 0
[pid  5845] <... getdents64 resumed>0x555571b506f0 /* 0 entries */, 32768) = 0
[   86.476671][ T5848] ---[ end trace 0000000000000000 ]---
[pid  5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5845] close(3)                    = 0
[pid  5845] rmdir("./1")                = 0
[pid  5845] mkdir("./2", 0777)          = 0
[pid  5845] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5845] ioctl(3, LOOP_CLR_FD)       = 0
[   86.567447][ T5848] RIP: 0010:lmLogSync+0x22e/0x9d0
[   86.572545][ T5848] Code: ef b8 fe 4d 8d 7e f0 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 10 7f e3 fe 4d 8b 3f 49 83 c7 30 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 f4 7e e3 fe 49 8b 3f e8 4c ef b8 fe
[pid  5845] close(3./strace-static-x86_64: Process 5866 attached
 <unfinished ...>
[pid  5844] <... clone resumed>, child_tidptr=0x555571b4f650) = 5866
[pid  5866] set_robust_list(0x555571b4f660, 24) = 0
[   86.621880][ T5848] RSP: 0018:ffffc9000414fa80 EFLAGS: 00010206
[   86.628047][ T5848] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff8880303a9e00
[   86.636042][ T5848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   86.644183][ T5848] RBP: ffffc9000414fb88 R08: ffffc9000414f9df R09: 0000000000000000
[   86.652609][ T5848] R10: ffffc9000414f868 R11: fffff52000829f3c R12: ffff888030d93800
[   86.661363][ T5848] R13: ffff88807abb2160 R14: ffff8880328eb638 R15: 0000000000000030
[pid  5866] chdir("./2" <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5866] <... chdir resumed>)        = 0
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5866] setpgid(0, 0)               = 0
[pid  5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5866] write(3, "1000", 4)         = 4
[pid  5866] close(3)                    = 0
[pid  5866] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5866] write(1, "executing program\n", 18) = 18
[pid  5866] memfd_create("syzkaller", 0) = 3
[pid  5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1c7a400000
./strace-static-x86_64: Process 5867 attached
[   86.670746][ T5848] FS:  0000555571b4f380(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
[   86.680034][ T5848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.686635][ T5848] CR2: 00007f1c82846bd1 CR3: 000000007e8c4000 CR4: 00000000003526f0
[   86.694747][ T5848] Kernel panic - not syncing: Fatal exception
[   86.701095][ T5848] Kernel Offset: disabled
[   86.705412][ T5848] Rebooting in 86400 seconds..