./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1177828632 <...> Warning: Permanently added '10.128.1.30' (ED25519) to the list of known hosts. execve("./syz-executor1177828632", ["./syz-executor1177828632"], 0x7fffe314c690 /* 10 vars */) = 0 brk(NULL) = 0x55558cc85000 brk(0x55558cc85d00) = 0x55558cc85d00 arch_prctl(ARCH_SET_FS, 0x55558cc85380) = 0 set_tid_address(0x55558cc85650) = 5818 set_robust_list(0x55558cc85660, 24) = 0 rseq(0x55558cc85ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1177828632", 4096) = 28 getrandom("\x8b\xd5\x73\xde\x56\x99\x64\xce", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558cc85d00 brk(0x55558cca6d00) = 0x55558cca6d00 brk(0x55558cca7000) = 0x55558cca7000 mprotect(0x7f392b23d000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5819 attached [pid 5819] set_robust_list(0x55558cc85660, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55558cc85650) = 5819 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] mkdir("./syzkaller.cf2ZyX", 0700./strace-static-x86_64: Process 5820 attached [pid 5820] set_robust_list(0x55558cc85660, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55558cc85650) = 5820 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5820] mkdir("./syzkaller.AaB6Gi", 0700 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] <... mkdir resumed>) = 0 [pid 5819] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5821 attached [pid 5819] chmod("./syzkaller.cf2ZyX", 0777 [pid 5820] chmod("./syzkaller.AaB6Gi", 0777 [pid 5818] <... clone resumed>, child_tidptr=0x55558cc85650) = 5821 [pid 5821] set_robust_list(0x55558cc85660, 24 [pid 5819] <... chmod resumed>) = 0 [pid 5820] <... chmod resumed>) = 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] <... set_robust_list resumed>) = 0 [pid 5819] chdir("./syzkaller.cf2ZyX" [pid 5820] chdir("./syzkaller.AaB6Gi" [pid 5821] mkdir("./syzkaller.dVELFq", 0700 [pid 5820] <... chdir resumed>) = 0 [pid 5820] mkdir("./0", 0777./strace-static-x86_64: Process 5822 attached [pid 5819] <... chdir resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55558cc85650) = 5822 [pid 5822] set_robust_list(0x55558cc85660, 24 [pid 5821] <... mkdir resumed>) = 0 [pid 5820] <... mkdir resumed>) = 0 [pid 5819] mkdir("./0", 0777 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] mkdir("./syzkaller.Gw1CUY", 0700 [pid 5821] chmod("./syzkaller.dVELFq", 0777 [pid 5819] <... mkdir resumed>) = 0 [pid 5820] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5823 attached [pid 5822] <... mkdir resumed>) = 0 [pid 5821] <... chmod resumed>) = 0 [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5820] ioctl(3, LOOP_CLR_FD [pid 5818] <... clone resumed>, child_tidptr=0x55558cc85650) = 5823 [pid 5823] set_robust_list(0x55558cc85660, 24 [pid 5821] chdir("./syzkaller.dVELFq" [pid 5820] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5822] chmod("./syzkaller.Gw1CUY", 0777 [pid 5819] <... openat resumed>) = 3 [pid 5823] <... set_robust_list resumed>) = 0 [pid 5821] <... chdir resumed>) = 0 [pid 5823] mkdir("./syzkaller.mg8H8N", 0700 [pid 5822] <... chmod resumed>) = 0 [pid 5820] close(3 [pid 5819] ioctl(3, LOOP_CLR_FD [pid 5821] mkdir("./0", 0777) = 0 [pid 5820] <... close resumed>) = 0 [pid 5819] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5823] <... mkdir resumed>) = 0 [pid 5822] chdir("./syzkaller.Gw1CUY" [pid 5819] close(3 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] <... close resumed>) = 0 ./strace-static-x86_64: Process 5824 attached [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] chmod("./syzkaller.mg8H8N", 0777) = 0 [pid 5822] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5825 attached [pid 5824] set_robust_list(0x55558cc85660, 24 [pid 5822] mkdir("./0", 0777 [pid 5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5824] <... set_robust_list resumed>) = 0 [pid 5824] chdir("./0" [pid 5823] chdir("./syzkaller.mg8H8N") = 0 [pid 5820] <... clone resumed>, child_tidptr=0x55558cc85650) = 5824 [pid 5824] <... chdir resumed>) = 0 [pid 5823] mkdir("./0", 0777 [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5823] <... mkdir resumed>) = 0 [pid 5824] <... prctl resumed>) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x55558cc85650) = 5825 [pid 5824] setpgid(0, 0 [pid 5821] <... openat resumed>) = 3 [pid 5824] <... setpgid resumed>) = 0 [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5822] <... mkdir resumed>) = 0 [pid 5821] ioctl(3, LOOP_CLR_FD [pid 5825] set_robust_list(0x55558cc85660, 24 [pid 5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5825] <... set_robust_list resumed>) = 0 [pid 5824] <... openat resumed>) = 3 [pid 5823] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5822] <... openat resumed>) = 3 [pid 5821] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5825] chdir("./0" [pid 5823] <... openat resumed>) = 3 [pid 5822] ioctl(3, LOOP_CLR_FD [pid 5821] close(3 [pid 5825] <... chdir resumed>) = 0 [pid 5824] write(3, "1000", 4) = 4 [pid 5823] ioctl(3, LOOP_CLR_FD [pid 5822] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5821] <... close resumed>) = 0 [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5824] close(3 [pid 5823] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] <... prctl resumed>) = 0 [pid 5824] <... close resumed>) = 0 [pid 5824] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5826 attached [pid 5825] setpgid(0, 0 [pid 5824] <... symlink resumed>) = 0 [pid 5823] close(3 [pid 5822] close(3 [pid 5825] <... setpgid resumed>) = 0 [pid 5823] <... close resumed>) = 0 [pid 5823] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached [pid 5826] set_robust_list(0x55558cc85660, 24 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5824] write(1, "executing program\n", 18 [pid 5822] <... close resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x55558cc85650) = 5826 executing program [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] <... openat resumed>) = 3 [pid 5824] <... write resumed>) = 18 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5828 attached [pid 5827] set_robust_list(0x55558cc85660, 24 [pid 5826] chdir("./0" [pid 5825] write(3, "1000", 4 [pid 5824] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5823] <... clone resumed>, child_tidptr=0x55558cc85650) = 5827 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5826] <... chdir resumed>) = 0 [pid 5825] <... write resumed>) = 4 [pid 5824] <... openat resumed>) = 3 [pid 5828] set_robust_list(0x55558cc85660, 24 [pid 5827] chdir("./0" [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] close(3 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5827] <... chdir resumed>) = 0 [pid 5826] <... prctl resumed>) = 0 [pid 5825] <... close resumed>) = 0 [pid 5824] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5828] chdir("./0" [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] setpgid(0, 0 [pid 5825] symlink("/dev/binderfs", "./binderfs" [pid 5824] <... openat resumed>) = 4 [pid 5822] <... clone resumed>, child_tidptr=0x55558cc85650) = 5828 [pid 5827] <... prctl resumed>) = 0 [pid 5826] <... setpgid resumed>) = 0 [pid 5825] <... symlink resumed>) = 0 [pid 5828] <... chdir resumed>) = 0 [pid 5827] setpgid(0, 0 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] <... setpgid resumed>) = 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] <... openat resumed>) = 3 [pid 5825] write(1, "executing program\n", 18 [pid 5824] sendfile(4, 3, [100] [pid 5828] setpgid(0, 0 [pid 5827] <... openat resumed>) = 3 [pid 5828] <... setpgid resumed>) = 0 executing program [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] write(3, "1000", 4 [pid 5826] write(3, "1000", 4 [pid 5825] <... write resumed>) = 18 [pid 5826] <... write resumed>) = 4 [pid 5825] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5826] close(3 [pid 5828] <... openat resumed>) = 3 [pid 5826] <... close resumed>) = 0 [pid 5827] <... write resumed>) = 4 [pid 5828] write(3, "1000", 4 [pid 5827] close(3 [pid 5826] symlink("/dev/binderfs", "./binderfs"executing program [pid 5825] <... openat resumed>) = 3 [pid 5828] <... write resumed>) = 4 [pid 5827] <... close resumed>) = 0 [pid 5826] <... symlink resumed>) = 0 [pid 5825] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5826] write(1, "executing program\n", 18) = 18 [pid 5826] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5825] sendfile(4, 3, [100] [pid 5828] close(3 [pid 5827] symlink("/dev/binderfs", "./binderfs" [pid 5828] <... close resumed>) = 0 [pid 5826] <... openat resumed>) = 3 [pid 5827] <... symlink resumed>) = 0 [pid 5828] symlink("/dev/binderfs", "./binderfs" [pid 5826] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5827] write(1, "executing program\n", 18executing program [pid 5828] <... symlink resumed>) = 0 [pid 5827] <... write resumed>) = 18 [pid 5826] <... openat resumed>) = 4 executing program [pid 5828] write(1, "executing program\n", 18) = 18 [pid 5827] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5826] sendfile(4, 3, [100] [pid 5828] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5827] <... openat resumed>) = 3 [pid 5828] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5827] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5828] <... openat resumed>) = 4 [pid 5828] sendfile(4, 3, [100] [ 75.008953][ T5825] syz-executor117 (5825): drop_caches: 2 [ 75.306273][ T5828] syz-executor117 (5828): drop_caches: 2 [ 75.317376][ T5827] syz-executor117 (5827): drop_caches: 2 [ 75.318120][ T5826] syz-executor117 (5826): drop_caches: 2 [ 75.340869][ T5828] syz-executor117 (5828): drop_caches: 2 [pid 5827] sendfile(4, 3, [100] [pid 5828] <... sendfile resumed> => [640], 571) = 540 [pid 5827] <... sendfile resumed> => [640], 571) = 540 [pid 5828] memfd_create("syzkaller", 0) = 5 [pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5827] memfd_create("syzkaller", 0 [pid 5828] <... mmap resumed>) = 0x7f3922c00000 [pid 5827] <... memfd_create resumed>) = 5 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5825] <... sendfile resumed> => [640], 571) = 540 [pid 5826] <... sendfile resumed> => [640], 571) = 540 [pid 5827] <... mmap resumed>) = 0x7f3922c00000 [pid 5825] memfd_create("syzkaller", 0 [pid 5826] memfd_create("syzkaller", 0) = 5 [pid 5825] <... memfd_create resumed>) = 5 [pid 5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5824] <... sendfile resumed> => [640], 571) = 540 [ 75.353506][ T5827] syz-executor117 (5827): drop_caches: 2 [ 75.358128][ T5825] syz-executor117 (5825): drop_caches: 2 [ 75.360198][ T5826] syz-executor117 (5826): drop_caches: 2 [ 75.382764][ T5824] syz-executor117 (5824): drop_caches: 2 [pid 5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5825] <... mmap resumed>) = 0x7f3922c00000 [pid 5826] <... mmap resumed>) = 0x7f3922c00000 [pid 5824] memfd_create("syzkaller", 0) = 5 [pid 5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3922c00000 [ 75.415311][ T5824] syz-executor117 (5824): drop_caches: 2 [pid 5828] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5826] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5827] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5824] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5825] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5824] <... write resumed>) = 16777216 [pid 5826] <... write resumed>) = 16777216 [pid 5826] munmap(0x7f3922c00000, 138412032 [pid 5824] munmap(0x7f3922c00000, 138412032 [pid 5828] <... write resumed>) = 16777216 [pid 5828] munmap(0x7f3922c00000, 138412032) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5827] <... write resumed>) = 16777216 [pid 5825] <... write resumed>) = 16777216 [pid 5824] <... munmap resumed>) = 0 [pid 5828] <... openat resumed>) = 6 [pid 5828] ioctl(6, LOOP_SET_FD, 5 [pid 5825] munmap(0x7f3922c00000, 138412032 [pid 5827] munmap(0x7f3922c00000, 138412032 [pid 5826] <... munmap resumed>) = 0 [pid 5824] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5828] <... ioctl resumed>) = 0 [pid 5826] <... openat resumed>) = 6 [pid 5825] <... munmap resumed>) = 0 [pid 5824] <... openat resumed>) = 6 [pid 5828] close(5 [pid 5826] ioctl(6, LOOP_SET_FD, 5 [pid 5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5824] ioctl(6, LOOP_SET_FD, 5 [pid 5828] <... close resumed>) = 0 [pid 5827] <... munmap resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6 [pid 5827] ioctl(6, LOOP_SET_FD, 5 [pid 5828] close(6) = 0 [pid 5827] <... ioctl resumed>) = 0 [pid 5826] <... ioctl resumed>) = 0 [pid 5825] <... openat resumed>) = 6 [pid 5824] <... ioctl resumed>) = 0 [pid 5828] mkdir("./file0", 0777 [pid 5827] close(5 [pid 5826] close(5) = 0 [pid 5826] close(6) = 0 [pid 5824] close(5 [pid 5826] mkdir("./file0", 0777 [pid 5828] <... mkdir resumed>) = 0 [pid 5824] <... close resumed>) = 0 [pid 5828] mount("/dev/loop3", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5827] <... close resumed>) = 0 [pid 5826] <... mkdir resumed>) = 0 [pid 5824] close(6) = 0 [pid 5827] close(6 [pid 5824] mkdir("./file0", 0777 [pid 5827] <... close resumed>) = 0 [pid 5824] <... mkdir resumed>) = 0 [pid 5827] mkdir("./file0", 0777) = 0 [pid 5826] mount("/dev/loop2", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5825] ioctl(6, LOOP_SET_FD, 5 [ 76.252289][ T5828] loop3: detected capacity change from 0 to 32768 [ 76.273812][ T5826] loop2: detected capacity change from 0 to 32768 [ 76.278124][ T5827] loop4: detected capacity change from 0 to 32768 [ 76.280965][ T5824] loop1: detected capacity change from 0 to 32768 [pid 5824] mount("/dev/loop1", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5827] mount("/dev/loop4", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5825] <... ioctl resumed>) = 0 [pid 5825] close(5) = 0 [pid 5825] close(6) = 0 [pid 5825] mkdir("./file0", 0777) = 0 [ 76.298335][ T5828] XFS: ikeep mount option is deprecated. [ 76.302771][ T5826] XFS: ikeep mount option is deprecated. [ 76.310725][ T5824] XFS: ikeep mount option is deprecated. [ 76.317513][ T5827] XFS: ikeep mount option is deprecated. [ 76.338988][ T5825] loop0: detected capacity change from 0 to 32768 [ 76.369571][ T5825] XFS: ikeep mount option is deprecated. [ 76.395851][ T5826] XFS (loop2): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 76.443793][ T5828] XFS (loop3): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 76.483033][ T5827] XFS (loop4): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 76.484373][ T5824] XFS (loop1): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 76.508979][ T5825] XFS (loop0): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 76.564434][ T5828] XFS (loop3): Ending clean mount [ 76.578963][ T5828] XFS (loop3): Quotacheck needed: Please wait. [pid 5825] mount("/dev/loop0", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5828] <... mount resumed>) = 0 [pid 5828] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5828] chdir("./file0") = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] exit_group(0) = ? [pid 5828] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=49 /* 0.49 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5822] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5822] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5822] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5822] getdents64(3, 0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5822] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5822] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 76.618578][ T5828] XFS (loop3): Quotacheck: Done. [pid 5822] unlink("./0/binderfs") = 0 [ 76.659595][ T5824] XFS (loop1): Ending clean mount [ 76.660814][ T5827] XFS (loop4): Ending clean mount [ 76.674703][ T5824] XFS (loop1): Quotacheck needed: Please wait. [ 76.689758][ T5826] XFS (loop2): Ending clean mount [ 76.690162][ T5827] XFS (loop4): Quotacheck needed: Please wait. [ 76.700018][ T5826] XFS (loop2): Quotacheck needed: Please wait. [ 76.706463][ T5822] XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 76.719497][ T5825] XFS (loop0): Ending clean mount [ 76.734995][ T5825] XFS (loop0): Quotacheck needed: Please wait. [ 76.754194][ T5824] XFS (loop1): Quotacheck: Done. [pid 5822] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5824] <... mount resumed>) = 0 [pid 5824] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5824] chdir("./file0") = 0 [pid 5824] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5827] <... mount resumed>) = 0 [pid 5826] <... mount resumed>) = 0 [pid 5824] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5826] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5825] <... mount resumed>) = 0 [pid 5824] exit_group(0 [pid 5827] <... openat resumed>) = 5 [pid 5826] <... openat resumed>) = 5 [pid 5825] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5827] chdir("./file0" [pid 5826] chdir("./file0" [pid 5824] <... exit_group resumed>) = ? [pid 5827] <... chdir resumed>) = 0 [pid 5826] <... chdir resumed>) = 0 [pid 5825] <... openat resumed>) = 5 [pid 5824] +++ exited with 0 +++ [pid 5822] <... umount2 resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5825] chdir("./file0" [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=45 /* 0.45 s */} --- [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5825] <... chdir resumed>) = 0 [pid 5827] exit_group(0 [pid 5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5827] <... exit_group resumed>) = ? [pid 5826] exit_group(0 [pid 5825] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5822] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] +++ exited with 0 +++ [pid 5826] <... exit_group resumed>) = ? [pid 5825] exit_group(0 [pid 5822] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] +++ exited with 0 +++ [pid 5825] <... exit_group resumed>) = ? [pid 5823] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=46 /* 0.46 s */} --- [pid 5822] newfstatat(AT_FDCWD, "./0/file0", [pid 5823] restart_syscall(<... resuming interrupted clone ...> [pid 5822] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] <... restart_syscall resumed>) = 0 [pid 5822] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=60 /* 0.60 s */} --- [pid 5822] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5822] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5821] <... restart_syscall resumed>) = 0 [pid 5825] +++ exited with 0 +++ [pid 5823] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5822] <... openat resumed>) = 4 [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5822] newfstatat(4, "", [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=46 /* 0.46 s */} --- [pid 5823] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5822] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5821] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... openat resumed>) = 3 [pid 5822] getdents64(4, [pid 5821] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] newfstatat(3, "", [pid 5822] <... getdents64 resumed>0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5822] getdents64(4, [pid 5821] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5823] getdents64(3, [pid 5822] <... getdents64 resumed>0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5821] <... openat resumed>) = 3 [pid 5822] close(4 [pid 5820] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... getdents64 resumed>0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5822] <... close resumed>) = 0 [pid 5821] newfstatat(3, "", [pid 5820] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5822] rmdir("./0/file0" [pid 5821] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5820] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5822] <... rmdir resumed>) = 0 [pid 5820] <... openat resumed>) = 3 [pid 5823] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5821] getdents64(3, [pid 5820] newfstatat(3, "", [pid 5822] getdents64(3, [pid 5821] <... getdents64 resumed>0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5820] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5822] <... getdents64 resumed>0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5821] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5820] getdents64(3, [pid 5822] close(3 [pid 5821] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5820] <... getdents64 resumed>0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5822] <... close resumed>) = 0 [pid 5820] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5822] rmdir("./0" [pid 5821] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5820] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] unlink("./0/binderfs") = 0 [pid 5822] <... rmdir resumed>) = 0 [pid 5821] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5820] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5822] mkdir("./1", 0777 [pid 5821] unlink("./0/binderfs" [pid 5820] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 76.774267][ T5826] XFS (loop2): Quotacheck: Done. [ 76.788763][ T5827] XFS (loop4): Quotacheck: Done. [ 76.790550][ T5825] XFS (loop0): Quotacheck: Done. [pid 5819] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5822] <... mkdir resumed>) = 0 [pid 5821] <... unlink resumed>) = 0 [pid 5820] unlink("./0/binderfs" [pid 5819] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5821] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5820] <... unlink resumed>) = 0 [pid 5819] <... openat resumed>) = 3 [pid 5822] <... openat resumed>) = 3 [pid 5822] ioctl(3, LOOP_CLR_FD [pid 5819] newfstatat(3, "", [pid 5822] <... ioctl resumed>) = 0 [pid 5819] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5820] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] getdents64(3, [pid 5822] close(3 [pid 5819] <... getdents64 resumed>0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5819] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5819] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5819] unlink("./0/binderfs") = 0 [ 76.843790][ T5823] XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 76.861400][ T5821] XFS (loop2): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [pid 5819] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... umount2 resumed>) = 0 [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5823] newfstatat(AT_FDCWD, "./0/file0", [pid 5821] <... umount2 resumed>) = 0 [pid 5821] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5821] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5821] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5821] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5821] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 76.889643][ T5820] XFS (loop1): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 76.905983][ T5819] XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [pid 5821] getdents64(4, 0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] <... umount2 resumed>) = 0 [pid 5821] getdents64(4, 0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5821] close(4) = 0 [pid 5821] rmdir("./0/file0" [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... rmdir resumed>) = 0 [pid 5821] getdents64(3, 0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5821] close(3) = 0 [pid 5821] rmdir("./0") = 0 [pid 5823] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5820] <... umount2 resumed>) = 0 [pid 5819] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5821] mkdir("./1", 0777 [pid 5823] <... openat resumed>) = 4 [pid 5822] <... close resumed>) = 0 [pid 5821] <... mkdir resumed>) = 0 [pid 5820] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5820] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] newfstatat(4, "", [pid 5819] newfstatat(AT_FDCWD, "./0/file0", [pid 5820] newfstatat(AT_FDCWD, "./0/file0", [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5820] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5819] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] getdents64(4, [pid 5820] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5819] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... getdents64 resumed>0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5820] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5823] getdents64(4, [pid 5820] <... openat resumed>) = 4 [pid 5819] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] <... getdents64 resumed>0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5820] newfstatat(4, "", [pid 5823] close(4 [pid 5820] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5819] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5823] <... close resumed>) = 0 [pid 5820] getdents64(4, [pid 5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5819] <... openat resumed>) = 4 [pid 5821] <... openat resumed>) = 3 [pid 5819] newfstatat(4, "", [pid 5821] ioctl(3, LOOP_CLR_FD [pid 5819] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5821] <... ioctl resumed>) = 0 [pid 5819] getdents64(4, [pid 5823] rmdir("./0/file0" [pid 5821] close(3 [pid 5819] <... getdents64 resumed>0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5823] <... rmdir resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] <... getdents64 resumed>0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5819] getdents64(4, [pid 5823] getdents64(3, [pid 5820] getdents64(4, ./strace-static-x86_64: Process 5873 attached [pid 5823] <... getdents64 resumed>0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5820] <... getdents64 resumed>0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5819] <... getdents64 resumed>0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5823] close(3 [pid 5822] <... clone resumed>, child_tidptr=0x55558cc85650) = 5873 [pid 5820] close(4 [pid 5819] close(4 [pid 5873] set_robust_list(0x55558cc85660, 24) = 0 [pid 5873] chdir("./1") = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5819] <... close resumed>) = 0 [pid 5873] <... prctl resumed>) = 0 [pid 5819] rmdir("./0/file0" [pid 5873] setpgid(0, 0 [pid 5819] <... rmdir resumed>) = 0 [pid 5819] getdents64(3, [pid 5873] <... setpgid resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5819] <... getdents64 resumed>0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5823] <... close resumed>) = 0 [pid 5820] <... close resumed>) = 0 [pid 5819] close(3 [pid 5823] rmdir("./0" [pid 5820] rmdir("./0/file0" [pid 5873] <... openat resumed>) = 3 [pid 5823] <... rmdir resumed>) = 0 [pid 5820] <... rmdir resumed>) = 0 [pid 5819] <... close resumed>) = 0 [pid 5873] write(3, "1000", 4) = 4 [pid 5873] close(3) = 0 [pid 5873] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5873] write(1, "executing program\n", 18) = 18 [pid 5873] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5873] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5819] rmdir("./0" [pid 5823] mkdir("./1", 0777 [pid 5820] getdents64(3, [pid 5873] sendfile(4, 3, [100] [pid 5823] <... mkdir resumed>) = 0 [pid 5820] <... getdents64 resumed>0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5819] <... rmdir resumed>) = 0 [pid 5820] close(3 [pid 5823] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5820] <... close resumed>) = 0 [pid 5819] mkdir("./1", 0777 [pid 5820] rmdir("./0") = 0 [pid 5823] <... openat resumed>) = 3 [pid 5820] mkdir("./1", 0777 [pid 5819] <... mkdir resumed>) = 0 [pid 5820] <... mkdir resumed>) = 0 [pid 5823] ioctl(3, LOOP_CLR_FD [pid 5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5823] <... ioctl resumed>) = 0 [pid 5820] <... openat resumed>) = 3 [pid 5819] <... openat resumed>) = 3 [pid 5823] close(3 [pid 5820] ioctl(3, LOOP_CLR_FD [pid 5819] ioctl(3, LOOP_CLR_FD [pid 5820] <... ioctl resumed>) = 0 [pid 5819] <... ioctl resumed>) = 0 [pid 5820] close(3 [ 77.064083][ T5873] syz-executor117 (5873): drop_caches: 2 [pid 5819] close(3 [pid 5873] <... sendfile resumed> => [671], 571) = 571 [pid 5873] memfd_create("syzkaller", 0) = 5 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3922c00000 [pid 5821] <... close resumed>) = 0 [ 77.107776][ T5873] syz-executor117 (5873): drop_caches: 2 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached , child_tidptr=0x55558cc85650) = 5874 [pid 5874] set_robust_list(0x55558cc85660, 24) = 0 [pid 5874] chdir("./1") = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5874] write(3, "1000", 4) = 4 [pid 5874] close(3) = 0 [pid 5874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5874] write(1, "executing program\n", 18) = 18 [pid 5874] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5874] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [ 77.230803][ T5874] syz-executor117 (5874): drop_caches: 2 [pid 5874] sendfile(4, 3, [100] => [640], 571) = 540 [pid 5874] memfd_create("syzkaller", 0) = 5 [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3922c00000 [ 77.273885][ T5874] syz-executor117 (5874): drop_caches: 2 [pid 5819] <... close resumed>) = 0 [pid 5823] <... close resumed>) = 0 [pid 5823] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] <... close resumed>) = 0 ./strace-static-x86_64: Process 5875 attached [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] set_robust_list(0x55558cc85660, 24) = 0 [pid 5875] chdir("./1"./strace-static-x86_64: Process 5876 attached ./strace-static-x86_64: Process 5877 attached [pid 5876] set_robust_list(0x55558cc85660, 24 [pid 5875] <... chdir resumed>) = 0 [pid 5823] <... clone resumed>, child_tidptr=0x55558cc85650) = 5875 [pid 5820] <... clone resumed>, child_tidptr=0x55558cc85650) = 5877 [pid 5819] <... clone resumed>, child_tidptr=0x55558cc85650) = 5876 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5875] setpgid(0, 0) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] set_robust_list(0x55558cc85660, 24) = 0 [pid 5877] chdir("./1") = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] <... set_robust_list resumed>) = 0 [pid 5877] <... prctl resumed>) = 0 [pid 5877] setpgid(0, 0) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... openat resumed>) = 3 [pid 5876] chdir("./1" [pid 5877] <... openat resumed>) = 3 [pid 5875] write(3, "1000", 4) = 4 [pid 5875] close(3) = 0 [pid 5877] write(3, "1000", 4 [pid 5875] symlink("/dev/binderfs", "./binderfs" [pid 5877] <... write resumed>) = 4 [pid 5876] <... chdir resumed>) = 0 [pid 5875] <... symlink resumed>) = 0 [pid 5877] close(3 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 5875] write(1, "executing program\n", 18) = 18 [pid 5876] <... prctl resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5877] <... close resumed>) = 0 [pid 5876] setpgid(0, 0 [pid 5875] <... openat resumed>) = 3 [pid 5876] <... setpgid resumed>) = 0 [pid 5877] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] write(1, "executing program\n", 18) = 18 [pid 5877] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5876] <... openat resumed>) = 3 [pid 5877] <... openat resumed>) = 3 [pid 5876] write(3, "1000", 4 [pid 5877] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5876] <... write resumed>) = 4 [pid 5877] <... openat resumed>) = 4 [pid 5876] close(3 [pid 5877] sendfile(4, 3, [100] [pid 5876] <... close resumed>) = 0 [pid 5876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5875] sendfile(4, 3, [100]executing program [pid 5876] write(1, "executing program\n", 18) = 18 [pid 5876] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [ 77.490261][ T5877] syz-executor117 (5877): drop_caches: 2 [ 77.504686][ T5875] syz-executor117 (5875): drop_caches: 2 [ 77.526664][ T5876] syz-executor117 (5876): drop_caches: 2 [ 77.532653][ T5876] syz-executor117 (5876): drop_caches: 2 [pid 5876] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5873] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5876] <... openat resumed>) = 4 [pid 5876] sendfile(4, 3, [100] [pid 5875] <... sendfile resumed> => [640], 571) = 540 [pid 5875] memfd_create("syzkaller", 0 [pid 5877] <... sendfile resumed> => [640], 571) = 540 [pid 5876] <... sendfile resumed> => [640], 571) = 540 [pid 5875] <... memfd_create resumed>) = 5 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5876] memfd_create("syzkaller", 0 [pid 5875] <... mmap resumed>) = 0x7f3922c00000 [pid 5877] memfd_create("syzkaller", 0 [pid 5876] <... memfd_create resumed>) = 5 [pid 5877] <... memfd_create resumed>) = 5 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3922c00000 [ 77.534979][ T5875] syz-executor117 (5875): drop_caches: 2 [ 77.545577][ T5877] syz-executor117 (5877): drop_caches: 2 [pid 5876] <... mmap resumed>) = 0x7f3922c00000 [pid 5874] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5873] <... write resumed>) = 16777216 [pid 5873] munmap(0x7f3922c00000, 138412032) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6 [pid 5873] ioctl(6, LOOP_SET_FD, 5 [pid 5877] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5873] <... ioctl resumed>) = 0 [pid 5875] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5876] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5873] close(5) = 0 [ 77.946754][ T5873] loop3: detected capacity change from 0 to 32768 [pid 5873] close(6) = 0 [pid 5873] mkdir("./file0", 0777) = 0 [ 78.007222][ T5873] XFS: ikeep mount option is deprecated. [ 78.045286][ T5873] XFS (loop3): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [pid 5873] mount("/dev/loop3", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5874] <... write resumed>) = 16777216 [pid 5874] munmap(0x7f3922c00000, 138412032 [pid 5875] <... write resumed>) = 16777216 [pid 5874] <... munmap resumed>) = 0 [pid 5875] munmap(0x7f3922c00000, 138412032 [pid 5874] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6 [pid 5874] ioctl(6, LOOP_SET_FD, 5) = 0 [pid 5874] close(5) = 0 [pid 5874] close(6) = 0 [pid 5873] <... mount resumed>) = 0 [pid 5873] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5874] mkdir("./file0", 0777) = 0 [pid 5873] <... openat resumed>) = 5 [ 78.216034][ T5873] XFS (loop3): Ending clean mount [ 78.224057][ T5873] XFS (loop3): Quotacheck needed: Please wait. [ 78.231671][ T5874] loop2: detected capacity change from 0 to 32768 [ 78.254460][ T5873] XFS (loop3): Quotacheck: Done. [pid 5874] mount("/dev/loop2", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5873] chdir("./file0") = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5875] <... munmap resumed>) = 0 [pid 5873] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5875] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5873] exit_group(0 [pid 5875] <... openat resumed>) = 6 [pid 5873] <... exit_group resumed>) = ? [pid 5875] ioctl(6, LOOP_SET_FD, 5 [pid 5873] +++ exited with 0 +++ [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=24 /* 0.24 s */} --- [pid 5822] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5822] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5822] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5875] <... ioctl resumed>) = 0 [pid 5822] <... openat resumed>) = 3 [pid 5822] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5822] getdents64(3, 0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5822] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5875] close(5 [pid 5822] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5875] <... close resumed>) = 0 [pid 5822] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5875] close(6 [pid 5822] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5875] <... close resumed>) = 0 [pid 5822] unlink("./1/binderfs" [pid 5875] mkdir("./file0", 0777 [pid 5822] <... unlink resumed>) = 0 [pid 5875] <... mkdir resumed>) = 0 [ 78.272252][ T5874] XFS: ikeep mount option is deprecated. [ 78.309774][ T5875] loop4: detected capacity change from 0 to 32768 [pid 5875] mount("/dev/loop4", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5876] <... write resumed>) = 16777216 [pid 5822] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5876] munmap(0x7f3922c00000, 138412032) = 0 [pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [ 78.356529][ T5874] XFS (loop2): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 78.366024][ T5875] XFS: ikeep mount option is deprecated. [ 78.394501][ T5822] XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [pid 5876] ioctl(6, LOOP_SET_FD, 5 [pid 5877] <... write resumed>) = 16777216 [pid 5876] <... ioctl resumed>) = 0 [pid 5877] munmap(0x7f3922c00000, 138412032 [pid 5876] close(5) = 0 [pid 5876] close(6) = 0 [pid 5876] mkdir("./file0", 0777) = 0 [pid 5876] mount("/dev/loop0", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5877] <... munmap resumed>) = 0 [pid 5877] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6 [ 78.412162][ T5876] loop0: detected capacity change from 0 to 32768 [ 78.434854][ T5875] XFS (loop4): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 78.450634][ T5876] XFS: ikeep mount option is deprecated. [pid 5877] ioctl(6, LOOP_SET_FD, 5) = 0 [pid 5877] close(5) = 0 [pid 5877] close(6) = 0 [pid 5877] mkdir("./file0", 0777) = 0 [ 78.481543][ T5877] loop1: detected capacity change from 0 to 32768 [ 78.510705][ T5876] XFS (loop0): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [pid 5877] mount("/dev/loop1", "./file0", "xfs", MS_NODIRATIME|MS_RELATIME, "grpquota,ikeep,filestreams,filestreams,nolargeio,,nouuid" [pid 5822] <... umount2 resumed>) = 0 [pid 5822] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5822] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5822] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5822] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5822] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5822] getdents64(4, 0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5822] getdents64(4, 0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5822] close(4) = 0 [pid 5822] rmdir("./1/file0") = 0 [pid 5822] getdents64(3, 0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5822] close(3) = 0 [pid 5822] rmdir("./1") = 0 [pid 5822] mkdir("./2", 0777) = 0 [pid 5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5822] ioctl(3, LOOP_CLR_FD) = 0 [ 78.529502][ T5874] XFS (loop2): Ending clean mount [ 78.534905][ T5877] XFS: ikeep mount option is deprecated. [ 78.552344][ T5874] XFS (loop2): Quotacheck needed: Please wait. [ 78.588203][ T5877] XFS (loop1): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [pid 5822] close(3 [pid 5874] <... mount resumed>) = 0 [pid 5822] <... close resumed>) = 0 [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5874] chdir("./file0"./strace-static-x86_64: Process 5918 attached ) = 0 [ 78.659340][ T5874] XFS (loop2): Quotacheck: Done. [pid 5874] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5918] set_robust_list(0x55558cc85660, 24) = 0 [pid 5874] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5874] exit_group(0 [pid 5918] chdir("./2") = 0 [pid 5822] <... clone resumed>, child_tidptr=0x55558cc85650) = 5918 [pid 5874] <... exit_group resumed>) = ? [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5918] setpgid(0, 0 [pid 5874] +++ exited with 0 +++ [pid 5918] <... setpgid resumed>) = 0 [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=37 /* 0.37 s */} --- [pid 5821] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5918] <... openat resumed>) = 3 [pid 5821] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] write(3, "1000", 4 [pid 5821] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5918] <... write resumed>) = 4 [pid 5821] <... openat resumed>) = 3 [pid 5918] close(3 [pid 5821] newfstatat(3, "", [pid 5918] <... close resumed>) = 0 [pid 5821] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5918] symlink("/dev/binderfs", "./binderfs" [pid 5821] getdents64(3, [pid 5918] <... symlink resumed>) = 0 executing program [pid 5918] write(1, "executing program\n", 18 [pid 5821] <... getdents64 resumed>0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5918] <... write resumed>) = 18 [pid 5821] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5918] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5821] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] <... openat resumed>) = 3 [pid 5821] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5821] unlink("./1/binderfs") = 0 [pid 5821] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5918] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [ 78.716203][ T5875] XFS (loop4): Ending clean mount [ 78.727930][ T5875] XFS (loop4): Quotacheck needed: Please wait. [ 78.751747][ T5876] XFS (loop0): Ending clean mount [ 78.754128][ T5821] XFS (loop2): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 78.771899][ T5918] [ 78.774284][ T5918] ====================================================== [ 78.781337][ T5918] WARNING: possible circular locking dependency detected [ 78.782394][ T5876] XFS (loop0): Quotacheck needed: Please wait. [ 78.788363][ T5918] 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 Not tainted [ 78.788378][ T5918] ------------------------------------------------------ [ 78.788387][ T5918] syz-executor117/5918 is trying to acquire lock: [ 78.788399][ T5918] ffff88807ae5a2a0 (&lp->qli_lock){+.+.}-{3:3}, at: xfs_dquot_detach_buf+0x2f/0x1a0 [ 78.806343][ T5877] XFS (loop1): Ending clean mount [ 78.808702][ T5918] [ 78.808702][ T5918] but task is already holding lock: [ 78.808712][ T5918] ffff88807e57e230 [ 78.820862][ T5876] XFS (loop0): Quotacheck: Done. [ 78.824454][ T5918] (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24b/0x4e0 [ 78.853343][ T5918] [ 78.853343][ T5918] which lock already depends on the new lock. [ 78.853343][ T5918] [ 78.863742][ T5918] [ 78.863742][ T5918] the existing dependency chain (in reverse order) is: [ 78.872754][ T5918] [ 78.872754][ T5918] -> #3 (&l->lock){+.+.}-{3:3}: [ 78.879803][ T5918] lock_acquire+0x1ed/0x550 [ 78.884866][ T5918] _raw_spin_lock+0x2e/0x40 [ 78.889910][ T5918] lock_list_lru_of_memcg+0x24b/0x4e0 [ 78.895809][ T5918] list_lru_add+0x59/0x270 [ 78.900758][ T5918] xfs_buf_rele+0x4ca/0x15b0 [ 78.905877][ T5918] xfs_imap_lookup+0x26a/0x750 [ 78.911163][ T5918] xfs_imap+0x54d/0x1090 [ 78.915929][ T5918] xfs_iget+0xaf6/0x2ec0 [ 78.920698][ T5918] xfs_mountfs+0x13df/0x2410 [ 78.925815][ T5918] xfs_fs_fill_super+0x12db/0x1590 [ 78.931455][ T5918] get_tree_bdev_flags+0x48c/0x5c0 [ 78.937104][ T5918] vfs_get_tree+0x90/0x2b0 [ 78.942049][ T5918] do_new_mount+0x2be/0xb40 [ 78.947083][ T5918] __se_sys_mount+0x2d6/0x3c0 [ 78.952365][ T5918] do_syscall_64+0xf3/0x230 [ 78.957401][ T5918] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.963841][ T5918] [ 78.963841][ T5918] -> #2 (&bch->bc_lock){+.+.}-{3:3}: [ 78.971325][ T5918] lock_acquire+0x1ed/0x550 [ 78.976355][ T5918] _raw_spin_lock+0x2e/0x40 [ 78.981394][ T5918] _atomic_dec_and_lock+0xb8/0x130 [ 78.987037][ T5918] xfs_buf_rele+0x178/0x15b0 [ 78.992170][ T5918] xfs_imap_lookup+0x26a/0x750 [ 78.997463][ T5918] xfs_imap+0x54d/0x1090 [ 79.002240][ T5918] xfs_iget+0xaf6/0x2ec0 [ 79.007046][ T5918] xfs_mountfs+0x13df/0x2410 [ 79.012166][ T5918] xfs_fs_fill_super+0x12db/0x1590 [ 79.017803][ T5918] get_tree_bdev_flags+0x48c/0x5c0 [ 79.023443][ T5918] vfs_get_tree+0x90/0x2b0 [ 79.028389][ T5918] do_new_mount+0x2be/0xb40 [ 79.033423][ T5918] __se_sys_mount+0x2d6/0x3c0 [ 79.038619][ T5918] do_syscall_64+0xf3/0x230 [ 79.043657][ T5918] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.050082][ T5918] [ 79.050082][ T5918] -> #1 (&bp->b_lock){+.+.}-{3:3}: [ 79.057388][ T5918] lock_acquire+0x1ed/0x550 [ 79.062418][ T5918] _raw_spin_lock+0x2e/0x40 [ 79.067447][ T5918] xfs_buf_rele+0x164/0x15b0 [ 79.072562][ T5918] xfs_dquot_attach_buf+0x33e/0x560 [ 79.078285][ T5918] xfs_qm_quotacheck_dqadjust+0x13f/0x5e0 [ 79.084553][ T5918] xfs_qm_dqusage_adjust+0x6a8/0x850 [ 79.090368][ T5918] xfs_iwalk_ag_recs+0x4e3/0x820 [ 79.095836][ T5918] xfs_iwalk_run_callbacks+0x218/0x470 [ 79.101822][ T5918] xfs_iwalk_ag+0xa9a/0xbb0 [ 79.106851][ T5918] xfs_iwalk_ag_work+0xfb/0x1b0 [ 79.112245][ T5918] xfs_pwork_work+0x7f/0x190 [ 79.117355][ T5918] process_scheduled_works+0xa66/0x1840 [ 79.123434][ T5918] worker_thread+0x870/0xd30 [ 79.128545][ T5918] kthread+0x2f0/0x390 [ 79.133152][ T5918] ret_from_fork+0x4b/0x80 [ 79.138109][ T5918] ret_from_fork_asm+0x1a/0x30 [ 79.143413][ T5918] [ 79.143413][ T5918] -> #0 (&lp->qli_lock){+.+.}-{3:3}: [ 79.150909][ T5918] validate_chain+0x18ef/0x5920 [ 79.156299][ T5918] __lock_acquire+0x1397/0x2100 [ 79.161669][ T5918] lock_acquire+0x1ed/0x550 [ 79.166692][ T5918] _raw_spin_lock+0x2e/0x40 [ 79.171743][ T5918] xfs_dquot_detach_buf+0x2f/0x1a0 [ 79.177380][ T5918] xfs_qm_dquot_isolate+0x49d/0x1420 [ 79.183195][ T5918] __list_lru_walk_one+0x170/0x470 [ 79.188829][ T5918] list_lru_walk_one+0x3c/0x50 [ 79.194116][ T5918] xfs_qm_shrink_scan+0x1e1/0x400 [ 79.199672][ T5918] do_shrink_slab+0x72d/0x1160 [ 79.204964][ T5918] shrink_slab+0x1093/0x14d0 [ 79.210104][ T5918] drop_slab+0x142/0x280 [ 79.214880][ T5918] drop_caches_sysctl_handler+0xbc/0x160 [ 79.221041][ T5918] proc_sys_call_handler+0x5ec/0x920 [ 79.226848][ T5918] iter_file_splice_write+0xbfa/0x1510 [ 79.232834][ T5918] direct_splice_actor+0x11b/0x220 [ 79.238479][ T5918] splice_direct_to_actor+0x586/0xc80 [ 79.244381][ T5918] do_splice_direct+0x289/0x3e0 [ 79.249763][ T5918] do_sendfile+0x564/0x8a0 [ 79.254703][ T5918] __se_sys_sendfile64+0x100/0x1e0 [ 79.260351][ T5918] do_syscall_64+0xf3/0x230 [ 79.265382][ T5918] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.271807][ T5918] [ 79.271807][ T5918] other info that might help us debug this: [ 79.271807][ T5918] [ 79.282030][ T5918] Chain exists of: [ 79.282030][ T5918] &lp->qli_lock --> &bch->bc_lock --> &l->lock [ 79.282030][ T5918] [ 79.294118][ T5918] Possible unsafe locking scenario: [ 79.294118][ T5918] [ 79.301565][ T5918] CPU0 CPU1 [ 79.306942][ T5918] ---- ---- [ 79.312313][ T5918] lock(&l->lock); [ 79.316131][ T5918] lock(&bch->bc_lock); [ 79.322908][ T5918] lock(&l->lock); [ 79.329239][ T5918] lock(&lp->qli_lock); [ 79.333482][ T5918] [ 79.333482][ T5918] *** DEADLOCK *** [ 79.333482][ T5918] [ 79.341622][ T5918] 3 locks held by syz-executor117/5918: [ 79.347191][ T5918] #0: ffff88807dbce420 (sb_writers#3){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220 [ 79.356890][ T5918] #1: ffff88807e57e230 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24b/0x4e0 [ 79.366574][ T5918] #2: ffff88807ae5a388 (&xfs_dquot_group_class){+.+.}-{4:4}, at: xfs_qm_dquot_isolate+0x8d/0x1420 [ 79.377397][ T5918] [ 79.377397][ T5918] stack backtrace: [ 79.383298][ T5918] CPU: 0 UID: 0 PID: 5918 Comm: syz-executor117 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 79.394409][ T5918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 79.404476][ T5918] Call Trace: [ 79.407758][ T5918] [ 79.410700][ T5918] dump_stack_lvl+0x241/0x360 [ 79.415390][ T5918] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.420596][ T5918] ? __pfx__printk+0x10/0x10 [ 79.425207][ T5918] print_circular_bug+0x13a/0x1b0 [ 79.430244][ T5918] check_noncircular+0x36a/0x4a0 [ 79.435193][ T5918] ? __pfx_check_noncircular+0x10/0x10 [ 79.440689][ T5918] ? lockdep_lock+0x123/0x2b0 [ 79.445372][ T5918] ? validate_chain+0x15c0/0x5920 [ 79.450403][ T5918] ? __lock_acquire+0x1397/0x2100 [ 79.455432][ T5918] validate_chain+0x18ef/0x5920 [ 79.460298][ T5918] ? __pfx_validate_chain+0x10/0x10 [ 79.465511][ T5918] ? __pfx_validate_chain+0x10/0x10 [ 79.470715][ T5918] ? __lock_acquire+0x1397/0x2100 [ 79.475750][ T5918] ? mark_lock+0x9a/0x360 [ 79.480084][ T5918] __lock_acquire+0x1397/0x2100 [ 79.484939][ T5918] lock_acquire+0x1ed/0x550 [ 79.489446][ T5918] ? xfs_dquot_detach_buf+0x2f/0x1a0 [ 79.494737][ T5918] ? __pfx_lock_acquire+0x10/0x10 [ 79.499766][ T5918] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 79.505679][ T5918] ? lockdep_hardirqs_on+0x99/0x150 [ 79.510881][ T5918] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 79.516792][ T5918] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 79.523122][ T5918] ? __pfx___mutex_trylock_common+0x10/0x10 [ 79.529037][ T5918] _raw_spin_lock+0x2e/0x40 [ 79.533545][ T5918] ? xfs_dquot_detach_buf+0x2f/0x1a0 [ 79.538832][ T5918] xfs_dquot_detach_buf+0x2f/0x1a0 [ 79.543944][ T5918] xfs_qm_dquot_isolate+0x49d/0x1420 [ 79.549243][ T5918] ? __lock_acquire+0x1397/0x2100 [ 79.554272][ T5918] ? __pfx_xfs_qm_dquot_isolate+0x10/0x10 [ 79.560033][ T5918] ? lock_list_lru_of_memcg+0x2e/0x4e0 [ 79.565492][ T5918] ? lock_list_lru_of_memcg+0x4a9/0x4e0 [ 79.571040][ T5918] __list_lru_walk_one+0x170/0x470 [ 79.576169][ T5918] ? __pfx_xfs_qm_dquot_isolate+0x10/0x10 [ 79.581897][ T5918] ? __pfx_xfs_qm_dquot_isolate+0x10/0x10 [ 79.587630][ T5918] list_lru_walk_one+0x3c/0x50 [ 79.592397][ T5918] xfs_qm_shrink_scan+0x1e1/0x400 [ 79.597437][ T5918] ? __pfx_xfs_qm_shrink_scan+0x10/0x10 [ 79.602995][ T5918] ? list_lru_count_one+0x29/0x2e0 [ 79.608106][ T5918] do_shrink_slab+0x72d/0x1160 [ 79.612882][ T5918] ? shrink_slab+0x12b/0x14d0 [ 79.617563][ T5918] shrink_slab+0x1093/0x14d0 [ 79.622160][ T5918] ? shrink_slab+0x12b/0x14d0 [ 79.626842][ T5918] ? __pfx_lock_release+0x10/0x10 [ 79.631872][ T5918] ? __pfx_shrink_slab+0x10/0x10 [ 79.636823][ T5918] ? mem_cgroup_iter+0x3d/0x420 [ 79.641677][ T5918] drop_slab+0x142/0x280 [ 79.645932][ T5918] drop_caches_sysctl_handler+0xbc/0x160 [ 79.651599][ T5918] ? __pfx_drop_caches_sysctl_handler+0x10/0x10 [ 79.657853][ T5918] proc_sys_call_handler+0x5ec/0x920 [ 79.663146][ T5918] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 79.668963][ T5918] iter_file_splice_write+0xbfa/0x1510 [ 79.674444][ T5918] ? __pfx_iter_file_splice_write+0x10/0x10 [ 79.680349][ T5918] ? rcu_read_lock_any_held+0xb7/0x160 [ 79.685818][ T5918] ? __pfx_iter_file_splice_write+0x10/0x10 [ 79.691736][ T5918] direct_splice_actor+0x11b/0x220 [ 79.696856][ T5918] splice_direct_to_actor+0x586/0xc80 [ 79.702243][ T5918] ? __pfx_direct_splice_actor+0x10/0x10 [ 79.707884][ T5918] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 79.713786][ T5918] ? __lock_acquire+0x1397/0x2100 [ 79.718816][ T5918] do_splice_direct+0x289/0x3e0 [ 79.723675][ T5918] ? __pfx_do_splice_direct+0x10/0x10 [ 79.729057][ T5918] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 79.734965][ T5918] ? rw_verify_area+0x1c3/0x6f0 [ 79.739818][ T5918] do_sendfile+0x564/0x8a0 [ 79.744251][ T5918] ? __pfx_do_sendfile+0x10/0x10 [ 79.749191][ T5918] ? __might_fault+0xc6/0x120 [ 79.753881][ T5918] __se_sys_sendfile64+0x100/0x1e0 [ 79.759022][ T5918] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 79.764666][ T5918] ? exc_page_fault+0x590/0x8b0 [ 79.769529][ T5918] do_syscall_64+0xf3/0x230 [ 79.774044][ T5918] ? clear_bhb_loop+0x35/0x90 [ 79.778726][ T5918] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.784642][ T5918] RIP: 0033:0x7f392b1c0319 [ 79.789069][ T5918] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 79.808678][ T5918] RSP: 002b:00007ffd06cc4958 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 79.817093][ T5918] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f392b1c0319 [pid 5918] sendfile(4, 3, [100] [pid 5876] <... mount resumed>) = 0 [pid 5876] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5876] chdir("./file0") = 0 [pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5876] exit_group(0) = ? [pid 5876] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=34 /* 0.34 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5819] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5819] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5819] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5819] getdents64(3, 0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5819] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5819] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 79.825064][ T5918] RDX: 0000000020002080 RSI: 0000000000000003 RDI: 0000000000000004 [ 79.833032][ T5918] RBP: 0000000000000000 R08: 00007ffd06cc4990 R09: 00007ffd06cc4990 [ 79.841003][ T5918] R10: 000000000000023b R11: 0000000000000246 R12: 00007ffd06cc497c [ 79.848968][ T5918] R13: 0000000000000002 R14: 431bde82d7b634db R15: 00007ffd06cc49b0 [ 79.856951][ T5918] [pid 5819] unlink("./1/binderfs" [pid 5875] <... mount resumed>) = 0 [pid 5875] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5875] chdir("./file0" [pid 5918] <... sendfile resumed> => [671], 571) = 571 [pid 5821] <... umount2 resumed>) = 0 [pid 5819] <... unlink resumed>) = 0 [pid 5819] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5875] <... chdir resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5918] memfd_create("syzkaller", 0 [pid 5877] <... mount resumed>) = 0 [pid 5875] exit_group(0 [pid 5821] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5918] <... memfd_create resumed>) = 5 [pid 5877] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5875] <... exit_group resumed>) = ? [pid 5821] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5877] <... openat resumed>) = 5 [pid 5821] newfstatat(AT_FDCWD, "./1/file0", [pid 5918] <... mmap resumed>) = 0x7f3922c00000 [pid 5877] chdir("./file0" [pid 5821] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5875] +++ exited with 0 +++ [pid 5821] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5821] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5821] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 79.883738][ T5875] XFS (loop4): Quotacheck: Done. [ 79.884002][ T5877] XFS (loop1): Quotacheck needed: Please wait. [ 79.893299][ T5918] syz-executor117 (5918): drop_caches: 2 [ 79.904533][ T5918] syz-executor117 (5918): drop_caches: 2 [ 79.917820][ T5877] XFS (loop1): Quotacheck: Done. [pid 5821] getdents64(4, [pid 5877] <... chdir resumed>) = 0 [pid 5823] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=33 /* 0.33 s */} --- [pid 5821] <... getdents64 resumed>0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5877] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5821] getdents64(4, [pid 5823] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... getdents64 resumed>0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5823] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5877] exit_group(0 [pid 5823] <... openat resumed>) = 3 [pid 5821] close(4 [pid 5823] newfstatat(3, "", [pid 5877] <... exit_group resumed>) = ? [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5821] <... close resumed>) = 0 [pid 5877] +++ exited with 0 +++ [pid 5823] getdents64(3, [pid 5821] rmdir("./1/file0" [pid 5823] <... getdents64 resumed>0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5821] <... rmdir resumed>) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=37 /* 0.37 s */} --- [pid 5823] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5821] getdents64(3, [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... getdents64 resumed>0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5823] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5821] close(3 [pid 5823] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5821] <... close resumed>) = 0 [pid 5823] unlink("./1/binderfs" [pid 5821] rmdir("./1" [pid 5823] <... unlink resumed>) = 0 [pid 5821] <... rmdir resumed>) = 0 [pid 5823] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5821] mkdir("./2", 0777) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5819] <... umount2 resumed>) = 0 [pid 5821] ioctl(3, LOOP_CLR_FD) = 0 [pid 5820] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5823] <... umount2 resumed>) = 0 [pid 5821] close(3 [pid 5820] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5820] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5823] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5820] getdents64(3, 0x55558cc866f0 /* 4 entries */, 32768) = 112 [pid 5820] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] newfstatat(AT_FDCWD, "./1/file0", [pid 5819] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5820] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5819] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5820] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5819] newfstatat(AT_FDCWD, "./1/file0", [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5820] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5819] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5820] unlink("./1/binderfs" [pid 5819] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... openat resumed>) = 4 [pid 5820] <... unlink resumed>) = 0 [pid 5819] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] newfstatat(4, "", [pid 5820] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5819] newfstatat(4, "", [pid 5823] getdents64(4, [pid 5819] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5823] <... getdents64 resumed>0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5819] getdents64(4, [pid 5823] getdents64(4, [pid 5819] <... getdents64 resumed>0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5823] <... getdents64 resumed>0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5819] getdents64(4, 0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5819] close(4 [pid 5823] close(4 [pid 5819] <... close resumed>) = 0 [pid 5823] <... close resumed>) = 0 [pid 5819] rmdir("./1/file0" [pid 5823] rmdir("./1/file0" [pid 5819] <... rmdir resumed>) = 0 [ 79.931085][ T5819] XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 79.950164][ T5823] XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [pid 5823] <... rmdir resumed>) = 0 [pid 5819] getdents64(3, 0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5819] close(3) = 0 [pid 5819] rmdir("./1" [pid 5823] getdents64(3, [pid 5819] <... rmdir resumed>) = 0 [pid 5823] <... getdents64 resumed>0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5819] mkdir("./2", 0777 [pid 5823] close(3 [pid 5820] <... umount2 resumed>) = 0 [pid 5819] <... mkdir resumed>) = 0 [pid 5823] <... close resumed>) = 0 [pid 5820] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] rmdir("./1" [pid 5820] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] <... rmdir resumed>) = 0 [pid 5820] newfstatat(AT_FDCWD, "./1/file0", [pid 5823] mkdir("./2", 0777 [pid 5820] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] <... mkdir resumed>) = 0 [pid 5820] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5820] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] <... openat resumed>) = 3 [pid 5820] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5823] ioctl(3, LOOP_CLR_FD [pid 5820] <... openat resumed>) = 4 [pid 5819] <... openat resumed>) = 3 [pid 5820] newfstatat(4, "", [pid 5823] <... ioctl resumed>) = 0 [pid 5820] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5819] ioctl(3, LOOP_CLR_FD [pid 5823] close(3 [pid 5820] getdents64(4, [pid 5819] <... ioctl resumed>) = 0 [pid 5819] close(3 [pid 5820] <... getdents64 resumed>0x55558cc8e730 /* 2 entries */, 32768) = 48 [pid 5820] getdents64(4, 0x55558cc8e730 /* 0 entries */, 32768) = 0 [pid 5820] close(4) = 0 [pid 5820] rmdir("./1/file0") = 0 [ 79.998267][ T5820] XFS (loop1): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [pid 5820] getdents64(3, 0x55558cc866f0 /* 0 entries */, 32768) = 0 [pid 5820] close(3) = 0 [pid 5820] rmdir("./1") = 0 [pid 5820] mkdir("./2", 0777) = 0 [pid 5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5820] ioctl(3, LOOP_CLR_FD) = 0 [pid 5820] close(3 [pid 5819] <... close resumed>) = 0 [pid 5918] write(5, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbf\xdc\x47\xfc\x10\xd8\x4e\xed\xa5\x62\x11\xa8\x31\xb3\xf7\x91\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x24\x40\x00\x00\x00\x00\x00\x00\x24\x41\x00\x00\x00\x00\x00\x00\x24\x42\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x12\x00"..., 16777216 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5919 attached , child_tidptr=0x55558cc85650) = 5919 [pid 5919] set_robust_list(0x55558cc85660, 24) = 0 [pid 5919] chdir("./2") = 0 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5919] setpgid(0, 0) = 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5919] write(3, "1000", 4) = 4 [pid 5919] close(3) = 0 [pid 5919] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5919] write(1, "executing program\n", 18) = 18 [pid 5919] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5919] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5919] sendfile(4, 3, [100] [pid 5821] <... close resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5920 attached [pid 5919] <... sendfile resumed> => [640], 571) = 540 [pid 5920] set_robust_list(0x55558cc85660, 24 [pid 5823] <... close resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x55558cc85650) = 5920 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5920] chdir("./2" [pid 5919] memfd_create("syzkaller", 0) = 5 [pid 5920] <... chdir resumed>) = 0 [pid 5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5823] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] <... close resumed>) = 0 [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL