./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1960286181 <...> Warning: Permanently added '10.128.1.157' (ED25519) to the list of known hosts. execve("./syz-executor1960286181", ["./syz-executor1960286181"], 0x7ffd33ef7100 /* 10 vars */) = 0 brk(NULL) = 0x55557eee1000 brk(0x55557eee1d00) = 0x55557eee1d00 arch_prctl(ARCH_SET_FS, 0x55557eee1380) = 0 set_tid_address(0x55557eee1650) = 5875 set_robust_list(0x55557eee1660, 24) = 0 rseq(0x55557eee1ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1960286181", 4096) = 28 getrandom("\x8d\x2a\xab\x08\xdc\x91\x72\x51", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557eee1d00 brk(0x55557ef02d00) = 0x55557ef02d00 brk(0x55557ef03000) = 0x55557ef03000 mprotect(0x7fb71d728000, 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=0x55557eee1650) = 5876 ./strace-static-x86_64: Process 5876 attached [pid 5875] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC [pid 5876] set_robust_list(0x55557eee1660, 24) = 0 [pid 5875] <... openat resumed>) = 3 [pid 5875] write(3, "10000000000", 11) = 11 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "20", 2) = 2 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "0", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "0", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "100", 3) = 3 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "0", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "0", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "7 4 1 3", 7) = 7 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "0", 1) = 1 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "5876", 4) = 4 [pid 5875] close(3) = 0 [pid 5875] kill(5876, SIGKILL) = 0 [pid 5876] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5876, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached , child_tidptr=0x55557eee1650) = 5877 [pid 5877] set_robust_list(0x55557eee1660, 24) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] mkdir("./syzkaller.Yb6QfB", 0700./strace-static-x86_64: Process 5878 attached ) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55557eee1650) = 5878 [pid 5878] set_robust_list(0x55557eee1660, 24 [pid 5877] chmod("./syzkaller.Yb6QfB", 0777 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5879 attached [pid 5878] mkdir("./syzkaller.7Hznbz", 0700 [pid 5877] chdir("./syzkaller.Yb6QfB" [pid 5879] set_robust_list(0x55557eee1660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55557eee1650) = 5879 [pid 5877] <... chdir resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] mkdir("./0", 0777 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] <... mkdir resumed>) = 0 [pid 5879] mkdir("./syzkaller.CZ5Ub1", 0700 [pid 5878] chmod("./syzkaller.7Hznbz", 0777 [pid 5877] <... mkdir resumed>) = 0 [pid 5878] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5880 attached [pid 5879] <... mkdir resumed>) = 0 [pid 5878] chdir("./syzkaller.7Hznbz" [pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5875] <... clone resumed>, child_tidptr=0x55557eee1650) = 5880 [pid 5880] set_robust_list(0x55557eee1660, 24 [pid 5879] chmod("./syzkaller.CZ5Ub1", 0777 [pid 5878] <... chdir resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] <... chmod resumed>) = 0 [pid 5878] mkdir("./0", 0777 [pid 5877] <... openat resumed>) = 3 [pid 5879] chdir("./syzkaller.CZ5Ub1") = 0 ./strace-static-x86_64: Process 5881 attached [pid 5880] mkdir("./syzkaller.vyAXic", 0700 [pid 5878] <... mkdir resumed>) = 0 [pid 5877] ioctl(3, LOOP_CLR_FD [pid 5875] <... clone resumed>, child_tidptr=0x55557eee1650) = 5881 [pid 5881] set_robust_list(0x55557eee1660, 24 [pid 5879] mkdir("./0", 0777 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5877] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] mkdir("./syzkaller.JX652a", 0700 [pid 5879] <... mkdir resumed>) = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5877] close(3 [pid 5880] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5882 attached [pid 5880] chmod("./syzkaller.vyAXic", 0777 [pid 5882] set_robust_list(0x55557eee1660, 24 [pid 5881] <... mkdir resumed>) = 0 [pid 5880] <... chmod resumed>) = 0 [pid 5878] <... openat resumed>) = 3 [pid 5877] <... close resumed>) = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5875] <... clone resumed>, child_tidptr=0x55557eee1650) = 5882 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5880] chdir("./syzkaller.vyAXic" [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5882] mkdir("./syzkaller.uemuUq", 0700 [pid 5880] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5883 attached [pid 5881] chmod("./syzkaller.JX652a", 0777 [pid 5880] mkdir("./0", 0777 [pid 5879] <... openat resumed>) = 3 [pid 5878] ioctl(3, LOOP_CLR_FD [pid 5881] <... chmod resumed>) = 0 [pid 5878] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5879] ioctl(3, LOOP_CLR_FD [pid 5878] close(3 [pid 5879] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5878] <... close resumed>) = 0 [pid 5881] chdir("./syzkaller.JX652a") = 0 [pid 5878] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] set_robust_list(0x55557eee1660, 24 [pid 5881] mkdir("./0", 0777 [pid 5880] <... mkdir resumed>) = 0 [pid 5879] close(3 [pid 5877] <... clone resumed>, child_tidptr=0x55557eee1650) = 5883 ./strace-static-x86_64: Process 5884 attached [pid 5879] <... close resumed>) = 0 [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5885 attached [pid 5884] set_robust_list(0x55557eee1660, 24 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5882] <... mkdir resumed>) = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5883] chdir("./0" [pid 5885] set_robust_list(0x55557eee1660, 24 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] <... chdir resumed>) = 0 [pid 5882] chmod("./syzkaller.uemuUq", 0777 [pid 5881] <... mkdir resumed>) = 0 [pid 5880] <... openat resumed>) = 3 [pid 5878] <... clone resumed>, child_tidptr=0x55557eee1650) = 5884 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] chdir("./0" [pid 5883] <... prctl resumed>) = 0 [pid 5882] <... chmod resumed>) = 0 [pid 5884] <... chdir resumed>) = 0 [pid 5883] setpgid(0, 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] <... setpgid resumed>) = 0 [pid 5884] <... prctl resumed>) = 0 [pid 5884] setpgid(0, 0 [pid 5881] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5879] <... clone resumed>, child_tidptr=0x55557eee1650) = 5885 [pid 5885] chdir("./0" [pid 5884] <... setpgid resumed>) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] <... openat resumed>) = 3 [pid 5880] ioctl(3, LOOP_CLR_FD [pid 5882] chdir("./syzkaller.uemuUq" [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5885] <... chdir resumed>) = 0 [pid 5882] <... chdir resumed>) = 0 [pid 5884] <... openat resumed>) = 3 [pid 5882] mkdir("./0", 0777 [pid 5881] ioctl(3, LOOP_CLR_FD [pid 5883] <... openat resumed>) = 3 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5881] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5885] <... prctl resumed>) = 0 [pid 5884] write(3, "1000", 4 [pid 5883] write(3, "1000", 4 [pid 5882] <... mkdir resumed>) = 0 [pid 5880] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5885] setpgid(0, 0 [pid 5883] <... write resumed>) = 4 [pid 5880] close(3 [pid 5882] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5880] <... close resumed>) = 0 [pid 5884] <... write resumed>) = 4 [pid 5881] close(3) = 0 [pid 5884] close(3 [pid 5883] close(3 [pid 5882] <... openat resumed>) = 3 [pid 5885] <... setpgid resumed>) = 0 [pid 5881] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5882] ioctl(3, LOOP_CLR_FD [pid 5884] <... close resumed>) = 0 [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] symlink("/dev/binderfs", "./binderfs" [pid 5885] <... openat resumed>) = 3 [pid 5884] <... symlink resumed>) = 0 [pid 5882] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5884] write(1, "executing program\n", 18 [pid 5881] <... clone resumed>, child_tidptr=0x55557eee1650) = 5886 executing program ./strace-static-x86_64: Process 5887 attached ./strace-static-x86_64: Process 5886 attached [pid 5885] write(3, "1000", 4 [pid 5884] <... write resumed>) = 18 [pid 5883] <... close resumed>) = 0 [pid 5882] close(3 [pid 5885] <... write resumed>) = 4 [pid 5883] symlink("/dev/binderfs", "./binderfs" [pid 5886] set_robust_list(0x55557eee1660, 24 [pid 5885] close(3 [pid 5882] <... close resumed>) = 0 [pid 5880] <... clone resumed>, child_tidptr=0x55557eee1650) = 5887 [pid 5884] memfd_create("syzkaller", 0 [pid 5883] <... symlink resumed>) = 0 [pid 5882] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5885] <... close resumed>) = 0 [pid 5887] set_robust_list(0x55557eee1660, 24 [pid 5884] <... memfd_create resumed>) = 3 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5887] chdir("./0" [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5887] <... chdir resumed>) = 0 [pid 5884] <... mmap resumed>) = 0x7fb715200000 ./strace-static-x86_64: Process 5888 attached [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5885] symlink("/dev/binderfs", "./binderfs" [pid 5888] set_robust_list(0x55557eee1660, 24executing program [pid 5887] <... prctl resumed>) = 0 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5885] <... symlink resumed>) = 0 [pid 5883] write(1, "executing program\n", 18 [pid 5888] <... set_robust_list resumed>) = 0 executing program [pid 5887] setpgid(0, 0 [pid 5886] chdir("./0" [pid 5885] write(1, "executing program\n", 18 [pid 5883] <... write resumed>) = 18 [pid 5888] chdir("./0" [pid 5887] <... setpgid resumed>) = 0 [pid 5886] <... chdir resumed>) = 0 [pid 5885] <... write resumed>) = 18 [pid 5883] memfd_create("syzkaller", 0 [pid 5882] <... clone resumed>, child_tidptr=0x55557eee1650) = 5888 [pid 5888] <... chdir resumed>) = 0 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5885] memfd_create("syzkaller", 0 [pid 5883] <... memfd_create resumed>) = 3 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5887] <... openat resumed>) = 3 [pid 5886] <... prctl resumed>) = 0 [pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5888] <... prctl resumed>) = 0 [pid 5887] write(3, "1000", 4 [pid 5886] setpgid(0, 0 [pid 5885] <... memfd_create resumed>) = 3 [pid 5883] <... mmap resumed>) = 0x7fb715200000 [pid 5888] setpgid(0, 0 [pid 5886] <... setpgid resumed>) = 0 [pid 5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5887] <... write resumed>) = 4 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] <... setpgid resumed>) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5885] <... mmap resumed>) = 0x7fb715200000 [pid 5888] <... openat resumed>) = 3 [pid 5887] close(3 [pid 5886] <... openat resumed>) = 3 [pid 5887] <... close resumed>) = 0 [pid 5887] symlink("/dev/binderfs", "./binderfs" [pid 5886] write(3, "1000", 4 [pid 5888] write(3, "1000", 4 [pid 5886] <... write resumed>) = 4 [pid 5888] <... write resumed>) = 4 [pid 5887] <... symlink resumed>) = 0 [pid 5886] close(3 executing program [pid 5888] close(3 [pid 5887] write(1, "executing program\n", 18 [pid 5886] <... close resumed>) = 0 [pid 5887] <... write resumed>) = 18 [pid 5886] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5888] <... close resumed>) = 0 [pid 5888] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5886] write(1, "executing program\n", 18) = 18 [pid 5886] memfd_create("syzkaller", 0) = 3 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb715200000 executing program [pid 5888] write(1, "executing program\n", 18) = 18 [pid 5887] memfd_create("syzkaller", 0) = 3 [pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5888] memfd_create("syzkaller", 0 [pid 5887] <... mmap resumed>) = 0x7fb715200000 [pid 5888] <... memfd_create resumed>) = 3 [pid 5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb715200000 [pid 5884] 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 [pid 5885] 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 [pid 5887] 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 [pid 5883] 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 [pid 5886] 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 [pid 5888] 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 [pid 5884] <... write resumed>) = 16777216 [pid 5884] munmap(0x7fb715200000, 138412032 [pid 5885] <... write resumed>) = 16777216 [pid 5883] <... write resumed>) = 16777216 [pid 5885] munmap(0x7fb715200000, 138412032 [pid 5884] <... munmap resumed>) = 0 [pid 5883] munmap(0x7fb715200000, 138412032 [pid 5888] <... write resumed>) = 16777216 [pid 5887] <... write resumed>) = 16777216 [pid 5884] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5887] munmap(0x7fb715200000, 138412032 [pid 5884] <... openat resumed>) = 4 [pid 5888] munmap(0x7fb715200000, 138412032 [pid 5884] ioctl(4, LOOP_SET_FD, 3 [pid 5886] <... write resumed>) = 16777216 [pid 5885] <... munmap resumed>) = 0 [pid 5886] munmap(0x7fb715200000, 138412032 [pid 5885] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5884] <... ioctl resumed>) = 0 [pid 5883] <... munmap resumed>) = 0 [pid 5885] ioctl(4, LOOP_SET_FD, 3 [pid 5884] close(3 [pid 5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5884] <... close resumed>) = 0 [pid 5884] close(4 [pid 5883] <... openat resumed>) = 4 [pid 5887] <... munmap resumed>) = 0 [pid 5883] ioctl(4, LOOP_SET_FD, 3 [pid 5887] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5884] <... close resumed>) = 0 [pid 5887] ioctl(4, LOOP_SET_FD, 3 [ 110.702723][ T5884] loop1: detected capacity change from 0 to 32768 [ 110.735182][ T5885] loop2: detected capacity change from 0 to 32768 [ 110.738301][ T5883] loop0: detected capacity change from 0 to 32768 [pid 5884] mkdir("./file0", 0777 [pid 5888] <... munmap resumed>) = 0 [pid 5884] <... mkdir resumed>) = 0 [pid 5884] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5885] <... ioctl resumed>) = 0 [pid 5885] close(3) = 0 [pid 5885] close(4) = 0 [pid 5885] mkdir("./file0", 0777) = 0 [pid 5885] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5888] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5888] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5883] <... ioctl resumed>) = 0 [pid 5883] close(3 [pid 5888] close(3 [pid 5883] <... close resumed>) = 0 [pid 5883] close(4 [pid 5888] <... close resumed>) = 0 [pid 5888] close(4 [pid 5883] <... close resumed>) = 0 [pid 5888] <... close resumed>) = 0 [pid 5886] <... munmap resumed>) = 0 [pid 5883] mkdir("./file0", 0777 [pid 5888] mkdir("./file0", 0777) = 0 [pid 5883] <... mkdir resumed>) = 0 [ 110.752828][ T5887] loop3: detected capacity change from 0 to 32768 [ 110.774130][ T5888] loop5: detected capacity change from 0 to 32768 [pid 5888] mount("/dev/loop5", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5883] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5887] <... ioctl resumed>) = 0 [pid 5887] close(3) = 0 [pid 5887] close(4) = 0 [pid 5887] mkdir("./file0", 0777) = 0 [pid 5887] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5886] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 110.812463][ T5884] [ 110.812463][ T5884] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 110.812463][ T5884] [ 110.814214][ T5885] [ 110.814214][ T5885] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 110.814214][ T5885] [ 110.832951][ T5888] [ 110.832951][ T5888] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 110.832951][ T5888] [ 110.844772][ T5886] loop4: detected capacity change from 0 to 32768 [ 110.858962][ T5887] [pid 5886] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5886] close(3) = 0 [pid 5886] close(4) = 0 [pid 5886] mkdir("./file0", 0777) = 0 [pid 5887] <... mount resumed>) = 0 [pid 5886] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5887] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5884] <... mount resumed>) = 0 [pid 5888] <... mount resumed>) = 0 [pid 5887] <... openat resumed>) = 3 [pid 5884] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5888] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5887] chdir("./file0" [pid 5884] <... openat resumed>) = 3 [pid 5883] <... mount resumed>) = 0 [pid 5888] chdir("./file0" [pid 5887] <... chdir resumed>) = 0 [pid 5884] chdir("./file0" [pid 5883] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5888] <... chdir resumed>) = 0 [ 110.858962][ T5887] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 110.858962][ T5887] [ 110.868910][ T5883] [ 110.868910][ T5883] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 110.868910][ T5883] [pid 5887] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5885] <... mount resumed>) = 0 [pid 5888] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5887] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5884] <... chdir resumed>) = 0 [pid 5883] <... openat resumed>) = 3 [pid 5887] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5888] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5885] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5884] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5883] chdir("./file0" [pid 5888] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5884] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5885] <... openat resumed>) = 3 [pid 5883] <... chdir resumed>) = 0 [pid 5884] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5888] <... openat resumed>) = 4 [pid 5887] <... openat resumed>) = 4 [pid 5885] chdir("./file0" [pid 5884] <... openat resumed>) = 4 [pid 5883] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5888] exit_group(0 [pid 5887] exit_group(0 [pid 5885] <... chdir resumed>) = 0 [pid 5884] exit_group(0 [pid 5883] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5885] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5884] <... exit_group resumed>) = ? [pid 5888] <... exit_group resumed>) = ? [pid 5887] <... exit_group resumed>) = ? [pid 5885] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5884] +++ exited with 0 +++ [pid 5883] <... openat resumed>) = 4 [pid 5888] +++ exited with 0 +++ [pid 5887] +++ exited with 0 +++ [pid 5885] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5883] exit_group(0 [pid 5878] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=34 /* 0.34 s */} --- [pid 5883] <... exit_group resumed>) = ? [pid 5882] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=34 /* 0.34 s */} --- [pid 5880] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=34 /* 0.34 s */} --- [pid 5882] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5882] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5880] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] <... openat resumed>) = 3 [pid 5880] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5878] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5882] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5880] <... openat resumed>) = 3 [pid 5878] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 110.911320][ T5886] [ 110.911320][ T5886] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 110.911320][ T5886] [pid 5882] getdents64(3, [pid 5880] newfstatat(3, "", [pid 5885] <... openat resumed>) = 4 [pid 5883] +++ exited with 0 +++ [pid 5886] <... mount resumed>) = 0 [pid 5882] <... getdents64 resumed>0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5880] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5878] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5882] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] getdents64(3, [pid 5878] <... openat resumed>) = 3 [pid 5877] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5880] <... getdents64 resumed>0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5878] newfstatat(3, "", [pid 5877] restart_syscall(<... resuming interrupted clone ...> [pid 5885] exit_group(0 [pid 5880] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5885] <... exit_group resumed>) = ? [pid 5878] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5878] getdents64(3, [pid 5877] <... restart_syscall resumed>) = 0 [pid 5886] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5885] +++ exited with 0 +++ [pid 5886] chdir("./file0" [pid 5877] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5886] <... chdir resumed>) = 0 [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} --- [pid 5878] <... getdents64 resumed>0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5877] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5879] restart_syscall(<... resuming interrupted clone ...> [pid 5878] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5886] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5877] <... openat resumed>) = 3 [pid 5877] newfstatat(3, "", [pid 5886] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5877] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5877] getdents64(3, [pid 5886] <... openat resumed>) = 4 [pid 5877] <... getdents64 resumed>0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5877] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5886] exit_group(0 [pid 5879] <... restart_syscall resumed>) = 0 [pid 5879] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5879] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5879] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5879] getdents64(3, 0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5879] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5886] <... exit_group resumed>) = ? [pid 5886] +++ exited with 0 +++ [pid 5881] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=23 /* 0.23 s */} --- [ 111.013384][ T13] [ 111.013384][ T13] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.013384][ T13] [ 111.024950][ T1150] [ 111.024950][ T1150] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.024950][ T1150] [ 111.026461][ T1004] [ 111.026461][ T1004] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.026461][ T1004] [ 111.046275][ T1102] [ 111.046275][ T1102] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.046275][ T1102] [pid 5881] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 111.067686][ T13] [ 111.067686][ T13] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.067686][ T13] [ 111.068158][ T12] [ 111.068158][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.068158][ T12] [ 111.087571][ T1150] [ 111.087571][ T1150] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.087571][ T1150] [ 111.100315][ T1102] [ 111.100315][ T1102] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.100315][ T1102] [pid 5881] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5881] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5881] getdents64(3, 0x55557eee26f0 /* 4 entries */, 32768) = 112 [ 111.121835][ T1004] [ 111.121835][ T1004] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.121835][ T1004] [ 111.141413][ T5877] [ 111.141413][ T5877] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.141413][ T5877] [ 111.153260][ T12] [ 111.153260][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.153260][ T12] [ 111.155953][ T5878] [ 111.155953][ T5878] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.155953][ T5878] [ 111.165312][ T5882] [ 111.165312][ T5882] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.165312][ T5882] [ 111.197112][ T13] [ 111.197112][ T13] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.197112][ T13] [ 111.206938][ T110] [ 111.206938][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.206938][ T110] [ 111.209078][ T5880] [ 111.209078][ T5880] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.209078][ T5880] [ 111.230460][ T5879] [ 111.230460][ T5879] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.230460][ T5879] [ 111.257595][ T5878] [ 111.257595][ T5878] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.257595][ T5878] [ 111.267638][ T5877] [ 111.267638][ T5877] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.267638][ T5877] [ 111.281699][ T13] [ 111.281699][ T13] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.281699][ T13] [ 111.292779][ T109] [ 111.292779][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.292779][ T109] [ 111.303306][ T5879] [ 111.303306][ T5879] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.303306][ T5879] [ 111.318241][ T110] [pid 5881] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] <... umount2 resumed>) = 0 [pid 5877] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5877] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5877] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5877] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5877] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5877] getdents64(4, 0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5877] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5877] close(4) = 0 [pid 5877] rmdir("./0/file0") = 0 [pid 5877] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 111.318241][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.318241][ T110] [ 111.319296][ T5880] [ 111.319296][ T5880] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.319296][ T5880] [ 111.339155][ T5882] [ 111.339155][ T5882] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.339155][ T5882] [ 111.350743][ T5881] [ 111.350743][ T5881] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.350743][ T5881] [ 111.365084][ T110] [ 111.365084][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5877] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5877] unlink("./0/binderfs") = 0 [pid 5877] getdents64(3, 0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5877] close(3 [pid 5882] <... umount2 resumed>) = 0 [pid 5877] <... close resumed>) = 0 [pid 5877] rmdir("./0") = 0 [pid 5882] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] mkdir("./1", 0777) = 0 [pid 5882] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5877] ioctl(3, LOOP_CLR_FD) = 0 [ 111.365084][ T110] [pid 5877] close(3 [pid 5882] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5882] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5882] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5882] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5882] getdents64(4, 0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5882] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5882] close(4) = 0 [pid 5882] rmdir("./0/file0") = 0 [pid 5882] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5882] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5882] unlink("./0/binderfs") = 0 [pid 5882] getdents64(3, 0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5882] close(3) = 0 [pid 5878] <... umount2 resumed>) = 0 [pid 5882] rmdir("./0") = 0 [pid 5882] mkdir("./1", 0777) = 0 [pid 5878] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5882] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5878] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] ioctl(3, LOOP_CLR_FD) = 0 [pid 5882] close(3) = 0 [ 111.400399][ T5881] [ 111.400399][ T5881] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.400399][ T5881] [pid 5882] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5878] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5878] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5878] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5882] <... clone resumed>, child_tidptr=0x55557eee1650) = 5894 [pid 5878] <... openat resumed>) = 4 [pid 5878] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5894 attached [pid 5878] getdents64(4, [pid 5894] set_robust_list(0x55557eee1660, 24) = 0 [pid 5894] chdir("./1") = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5894] setpgid(0, 0) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5878] <... getdents64 resumed>0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5894] write(3, "1000", 4 [pid 5878] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5894] <... write resumed>) = 4 [pid 5878] close(4 [pid 5894] close(3) = 0 [pid 5878] <... close resumed>) = 0 [pid 5894] symlink("/dev/binderfs", "./binderfs" [pid 5878] rmdir("./0/file0" [pid 5894] <... symlink resumed>) = 0 [pid 5878] <... rmdir resumed>) = 0 [pid 5878] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5878] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5894] write(1, "executing program\n", 18executing program [pid 5878] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5894] <... write resumed>) = 18 [pid 5878] unlink("./0/binderfs" [pid 5894] memfd_create("syzkaller", 0 [pid 5878] <... unlink resumed>) = 0 [pid 5894] <... memfd_create resumed>) = 3 [pid 5878] getdents64(3, [pid 5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb715200000 [pid 5878] <... getdents64 resumed>0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5878] close(3) = 0 [pid 5878] rmdir("./0") = 0 [pid 5878] mkdir("./1", 0777) = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5878] ioctl(3, LOOP_CLR_FD) = 0 [ 111.471525][ T110] [ 111.471525][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.471525][ T110] [ 111.488335][ T109] [ 111.488335][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 111.488335][ T109] [pid 5878] close(3 [pid 5879] <... umount2 resumed>) = 0 [pid 5879] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5879] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5879] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5879] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5879] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5879] getdents64(4, 0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5879] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5879] close(4) = 0 [pid 5879] rmdir("./0/file0") = 0 [pid 5879] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5879] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5879] unlink("./0/binderfs") = 0 [pid 5879] getdents64(3, 0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5879] close(3) = 0 [pid 5879] rmdir("./0") = 0 [pid 5879] mkdir("./1", 0777) = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5879] ioctl(3, LOOP_CLR_FD) = 0 [pid 5879] close(3 [pid 5881] <... umount2 resumed>) = 0 [pid 5881] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5881] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5881] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5880] <... umount2 resumed>) = 0 [pid 5881] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5880] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5881] <... openat resumed>) = 4 [pid 5880] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5880] newfstatat(AT_FDCWD, "./0/file0", [pid 5881] getdents64(4, [pid 5880] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5881] <... getdents64 resumed>0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5880] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5881] getdents64(4, [pid 5880] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5880] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5881] <... getdents64 resumed>0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5881] close(4 [pid 5880] <... openat resumed>) = 4 [pid 5881] <... close resumed>) = 0 [pid 5880] newfstatat(4, "", [pid 5881] rmdir("./0/file0") = 0 [pid 5880] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5881] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] getdents64(4, [pid 5881] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5880] <... getdents64 resumed>0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5881] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5880] getdents64(4, [pid 5881] unlink("./0/binderfs" [pid 5880] <... getdents64 resumed>0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5881] <... unlink resumed>) = 0 [pid 5880] close(4 [pid 5881] getdents64(3, [pid 5880] <... close resumed>) = 0 [pid 5881] <... getdents64 resumed>0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5880] rmdir("./0/file0" [pid 5881] close(3) = 0 [pid 5880] <... rmdir resumed>) = 0 [pid 5881] rmdir("./0" [pid 5880] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5881] <... rmdir resumed>) = 0 [pid 5880] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] mkdir("./1", 0777 [pid 5880] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5881] <... mkdir resumed>) = 0 [pid 5880] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5881] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5880] unlink("./0/binderfs" [pid 5881] <... openat resumed>) = 3 [pid 5880] <... unlink resumed>) = 0 [pid 5881] ioctl(3, LOOP_CLR_FD [pid 5880] getdents64(3, [pid 5881] <... ioctl resumed>) = 0 [pid 5880] <... getdents64 resumed>0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5881] close(3 [pid 5880] close(3 [pid 5881] <... close resumed>) = 0 [pid 5880] <... close resumed>) = 0 [pid 5881] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] rmdir("./0") = 0 [pid 5880] mkdir("./1", 0777) = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5880] ioctl(3, LOOP_CLR_FD) = 0 [pid 5880] close(3) = 0 [pid 5880] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached ./strace-static-x86_64: Process 5896 attached [pid 5881] <... clone resumed>, child_tidptr=0x55557eee1650) = 5895 [pid 5896] set_robust_list(0x55557eee1660, 24) = 0 [pid 5896] chdir("./1") = 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5896] setpgid(0, 0 [pid 5895] set_robust_list(0x55557eee1660, 24 [pid 5880] <... clone resumed>, child_tidptr=0x55557eee1650) = 5896 [pid 5896] <... setpgid resumed>) = 0 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] <... set_robust_list resumed>) = 0 [pid 5895] chdir("./1") = 0 [pid 5896] <... openat resumed>) = 3 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5896] write(3, "1000", 4) = 4 [pid 5896] close(3) = 0 [pid 5896] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5895] setpgid(0, 0) = 0 [pid 5896] write(1, "executing program\n", 18 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5896] <... write resumed>) = 18 [pid 5896] memfd_create("syzkaller", 0 [pid 5895] <... openat resumed>) = 3 [pid 5895] write(3, "1000", 4 [pid 5896] <... memfd_create resumed>) = 3 [pid 5895] <... write resumed>) = 4 [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb715200000 [pid 5894] 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 [pid 5895] close(3) = 0 [pid 5895] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5895] write(1, "executing program\n", 18executing program ) = 18 [pid 5895] memfd_create("syzkaller", 0) = 3 [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb715200000 [pid 5877] <... close resumed>) = 0 [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached , child_tidptr=0x55557eee1650) = 5897 [pid 5897] set_robust_list(0x55557eee1660, 24) = 0 [pid 5897] chdir("./1") = 0 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5897] setpgid(0, 0) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5897] write(3, "1000", 4) = 4 [pid 5897] close(3) = 0 [pid 5897] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5897] write(1, "executing program\n", 18executing program ) = 18 [pid 5897] memfd_create("syzkaller", 0 [pid 5878] <... close resumed>) = 0 [pid 5897] <... memfd_create resumed>) = 3 [pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5878] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached [pid 5897] <... mmap resumed>) = 0x7fb715200000 [pid 5878] <... clone resumed>, child_tidptr=0x55557eee1650) = 5898 [pid 5898] set_robust_list(0x55557eee1660, 24 [pid 5879] <... close resumed>) = 0 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5898] chdir("./1") = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5898] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5899 attached [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] <... clone resumed>, child_tidptr=0x55557eee1650) = 5899 [pid 5899] set_robust_list(0x55557eee1660, 24 [pid 5898] write(3, "1000", 4 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5898] <... write resumed>) = 4 [pid 5899] chdir("./1" [pid 5898] close(3 [pid 5899] <... chdir resumed>) = 0 [pid 5898] <... close resumed>) = 0 [pid 5898] symlink("/dev/binderfs", "./binderfs"executing program [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5898] <... symlink resumed>) = 0 [pid 5899] <... prctl resumed>) = 0 [pid 5898] write(1, "executing program\n", 18) = 18 [pid 5898] memfd_create("syzkaller", 0 [pid 5899] setpgid(0, 0) = 0 [pid 5898] <... memfd_create resumed>) = 3 [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5898] <... mmap resumed>) = 0x7fb715200000 [pid 5899] write(3, "1000", 4) = 4 [pid 5899] close(3) = 0 [pid 5899] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5899] write(1, "executing program\n", 18executing program ) = 18 [pid 5899] memfd_create("syzkaller", 0) = 3 [pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb715200000 [pid 5896] 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 [pid 5895] 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 [pid 5897] 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 [pid 5899] 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 [pid 5894] <... write resumed>) = 16777216 [pid 5894] munmap(0x7fb715200000, 138412032 [pid 5898] 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 [pid 5894] <... munmap resumed>) = 0 [pid 5894] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5894] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5894] close(3) = 0 [pid 5894] close(4) = 0 [pid 5894] mkdir("./file0", 0777) = 0 [ 112.866157][ T5894] loop5: detected capacity change from 0 to 32768 [ 112.967910][ T5894] [ 112.967910][ T5894] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 112.967910][ T5894] [pid 5894] mount("/dev/loop5", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "") = 0 [pid 5894] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5894] chdir("./file0") = 0 [pid 5894] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5894] openat(AT_FDCWD, "./file1", O_RDONLY) = 4 [pid 5894] exit_group(0) = ? [pid 5894] +++ exited with 0 +++ [pid 5882] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=27 /* 0.27 s */} --- [pid 5882] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5882] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5882] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5882] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5882] getdents64(3, 0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5882] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... write resumed>) = 16777216 [pid 5895] munmap(0x7fb715200000, 138412032 [pid 5896] <... write resumed>) = 16777216 [ 113.094693][ T1150] [ 113.094693][ T1150] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.094693][ T1150] [ 113.128039][ T1150] [ 113.128039][ T1150] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.128039][ T1150] [pid 5896] munmap(0x7fb715200000, 138412032 [pid 5895] <... munmap resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5896] <... munmap resumed>) = 0 [ 113.188653][ T109] [ 113.188653][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.188653][ T109] [ 113.223322][ T5895] loop4: detected capacity change from 0 to 32768 [ 113.228328][ T5882] [ 113.228328][ T5882] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5895] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5895] close(3) = 0 [pid 5895] close(4 [pid 5896] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5895] <... close resumed>) = 0 [pid 5896] <... openat resumed>) = 4 [pid 5895] mkdir("./file0", 0777) = 0 [pid 5897] <... write resumed>) = 16777216 [pid 5896] ioctl(4, LOOP_SET_FD, 3 [ 113.228328][ T5882] [pid 5895] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5897] munmap(0x7fb715200000, 138412032 [pid 5882] <... umount2 resumed>) = 0 [pid 5882] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... mount resumed>) = 0 [pid 5882] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] newfstatat(AT_FDCWD, "./1/file0", [pid 5895] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5882] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5895] chdir("./file0" [pid 5882] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... chdir resumed>) = 0 [pid 5882] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5882] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5895] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5895] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5882] <... openat resumed>) = 4 [pid 5882] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5882] getdents64(4, [pid 5895] <... openat resumed>) = 4 [pid 5882] <... getdents64 resumed>0x55557eeea730 /* 2 entries */, 32768) = 48 [ 113.266851][ T5882] [ 113.266851][ T5882] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.266851][ T5882] [ 113.268180][ T5896] loop3: detected capacity change from 0 to 32768 [ 113.300142][ T5895] [ 113.300142][ T5895] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.300142][ T5895] [pid 5895] exit_group(0) = ? [pid 5895] +++ exited with 0 +++ [pid 5881] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=33 /* 0.33 s */} --- [pid 5882] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5882] close(4 [pid 5896] <... ioctl resumed>) = 0 [pid 5882] <... close resumed>) = 0 [pid 5882] rmdir("./1/file0" [pid 5896] close(3 [pid 5882] <... rmdir resumed>) = 0 [pid 5896] <... close resumed>) = 0 [pid 5897] <... munmap resumed>) = 0 [pid 5896] close(4 [pid 5882] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5882] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5882] unlink("./1/binderfs" [pid 5897] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5896] <... close resumed>) = 0 [pid 5882] <... unlink resumed>) = 0 [pid 5896] mkdir("./file0", 0777 [pid 5897] <... openat resumed>) = 4 [pid 5899] <... write resumed>) = 16777216 [pid 5897] ioctl(4, LOOP_SET_FD, 3 [pid 5896] <... mkdir resumed>) = 0 [pid 5881] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5899] munmap(0x7fb715200000, 138412032 [pid 5882] getdents64(3, [pid 5881] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] <... getdents64 resumed>0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5881] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5882] close(3 [pid 5881] <... openat resumed>) = 3 [pid 5882] <... close resumed>) = 0 [pid 5881] newfstatat(3, "", [pid 5882] rmdir("./1" [pid 5881] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5882] <... rmdir resumed>) = 0 [pid 5881] getdents64(3, [pid 5882] mkdir("./2", 0777 [pid 5881] <... getdents64 resumed>0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5882] <... mkdir resumed>) = 0 [pid 5881] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5882] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5897] <... ioctl resumed>) = 0 [pid 5896] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5882] <... openat resumed>) = 3 [pid 5897] close(3 [pid 5882] ioctl(3, LOOP_CLR_FD) = 0 [pid 5882] close(3 [pid 5897] <... close resumed>) = 0 [ 113.384800][ T5897] loop0: detected capacity change from 0 to 32768 [ 113.395819][ T13] [ 113.395819][ T13] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.395819][ T13] [ 113.416686][ T5896] [ 113.416686][ T5896] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.416686][ T5896] [pid 5897] close(4) = 0 [pid 5899] <... munmap resumed>) = 0 [pid 5897] mkdir("./file0", 0777 [pid 5896] <... mount resumed>) = 0 [pid 5899] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5898] <... write resumed>) = 16777216 [pid 5897] <... mkdir resumed>) = 0 [pid 5896] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5897] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5896] <... openat resumed>) = 3 [pid 5896] chdir("./file0") = 0 [pid 5899] <... openat resumed>) = 4 [pid 5898] munmap(0x7fb715200000, 138412032 [pid 5896] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 113.445535][ T13] [ 113.445535][ T13] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.445535][ T13] [pid 5896] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5899] ioctl(4, LOOP_SET_FD, 3 [pid 5896] <... openat resumed>) = 4 [pid 5896] exit_group(0) = ? [pid 5896] +++ exited with 0 +++ [pid 5880] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=28 /* 0.28 s */} --- [ 113.492771][ T5899] loop2: detected capacity change from 0 to 32768 [ 113.498119][ T5881] [ 113.498119][ T5881] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.498119][ T5881] [ 113.514816][ T5897] [ 113.514816][ T5897] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.514816][ T5897] [pid 5880] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5880] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5880] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5880] getdents64(3, 0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5880] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5899] <... ioctl resumed>) = 0 [pid 5899] close(3 [pid 5897] <... mount resumed>) = 0 [pid 5899] <... close resumed>) = 0 [pid 5897] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5899] close(4 [pid 5897] <... openat resumed>) = 3 [pid 5899] <... close resumed>) = 0 [pid 5897] chdir("./file0" [pid 5899] mkdir("./file0", 0777) = 0 [pid 5897] <... chdir resumed>) = 0 [pid 5899] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [ 113.543640][ T13] [ 113.543640][ T13] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.543640][ T13] [ 113.558533][ T110] [ 113.558533][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.558533][ T110] [pid 5897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5898] <... munmap resumed>) = 0 [pid 5897] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5898] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5897] <... openat resumed>) = 4 [ 113.597947][ T5881] [ 113.597947][ T5881] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.597947][ T5881] [ 113.610059][ T13] [ 113.610059][ T13] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.610059][ T13] [ 113.626322][ T5899] [ 113.626322][ T5899] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.626322][ T5899] [pid 5898] ioctl(4, LOOP_SET_FD, 3 [pid 5897] exit_group(0 [pid 5881] <... umount2 resumed>) = 0 [pid 5881] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5881] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5881] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5881] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5881] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5881] getdents64(4, 0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5881] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5881] close(4) = 0 [pid 5881] rmdir("./1/file0" [pid 5897] <... exit_group resumed>) = ? [pid 5881] <... rmdir resumed>) = 0 [pid 5897] +++ exited with 0 +++ [pid 5881] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5881] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5877] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} --- [pid 5881] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5877] restart_syscall(<... resuming interrupted clone ...> [pid 5881] unlink("./1/binderfs") = 0 [pid 5881] getdents64(3, 0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5898] <... ioctl resumed>) = 0 [pid 5877] <... restart_syscall resumed>) = 0 [pid 5898] close(3 [ 113.648992][ T5898] loop1: detected capacity change from 0 to 32768 [ 113.664716][ T5880] [ 113.664716][ T5880] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.664716][ T5880] [pid 5881] close(3 [pid 5899] <... mount resumed>) = 0 [pid 5898] <... close resumed>) = 0 [pid 5877] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5899] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5898] close(4 [pid 5877] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5881] <... close resumed>) = 0 [pid 5881] rmdir("./1" [pid 5899] <... openat resumed>) = 3 [pid 5898] <... close resumed>) = 0 [pid 5881] <... rmdir resumed>) = 0 [pid 5877] newfstatat(3, "", [pid 5899] chdir("./file0" [pid 5898] mkdir("./file0", 0777 [pid 5877] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5899] <... chdir resumed>) = 0 [pid 5881] mkdir("./2", 0777 [pid 5899] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5898] <... mkdir resumed>) = 0 [pid 5881] <... mkdir resumed>) = 0 [pid 5877] getdents64(3, [pid 5881] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5877] <... getdents64 resumed>0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5899] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5898] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "" [pid 5881] <... openat resumed>) = 3 [pid 5877] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5881] ioctl(3, LOOP_CLR_FD [pid 5899] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5881] <... ioctl resumed>) = 0 [pid 5881] close(3 [pid 5899] <... openat resumed>) = 4 [pid 5899] exit_group(0) = ? [pid 5899] +++ exited with 0 +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=28 /* 0.28 s */} --- [pid 5879] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5879] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5879] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5879] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5879] getdents64(3, 0x55557eee26f0 /* 4 entries */, 32768) = 112 [ 113.704516][ T109] [ 113.704516][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.704516][ T109] [ 113.730368][ T1102] [ 113.730368][ T1102] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.730368][ T1102] [ 113.768065][ T5898] [ 113.768065][ T5898] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.768065][ T5898] [ 113.780906][ T5880] [ 113.780906][ T5880] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.780906][ T5880] [ 113.791525][ T1102] [ 113.791525][ T1102] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.791525][ T1102] [pid 5879] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5898] <... mount resumed>) = 0 [pid 5898] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5880] <... umount2 resumed>) = 0 [pid 5898] <... openat resumed>) = 3 [ 113.819328][ T12] [ 113.819328][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.819328][ T12] [pid 5880] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5898] chdir("./file0" [pid 5880] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5898] <... chdir resumed>) = 0 [pid 5880] newfstatat(AT_FDCWD, "./1/file0", [pid 5898] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5880] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5898] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5880] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5898] openat(AT_FDCWD, "./file1", O_RDONLY [pid 5880] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5880] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 113.869456][ T5877] [ 113.869456][ T5877] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.869456][ T5877] [ 113.881157][ T12] [ 113.881157][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.881157][ T12] [pid 5898] <... openat resumed>) = 4 [pid 5880] newfstatat(4, "", [pid 5898] exit_group(0 [pid 5880] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5898] <... exit_group resumed>) = ? [pid 5898] +++ exited with 0 +++ [pid 5880] getdents64(4, [pid 5878] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=34 /* 0.34 s */} --- [pid 5880] <... getdents64 resumed>0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5880] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5880] close(4) = 0 [pid 5880] rmdir("./1/file0") = 0 [pid 5880] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5880] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5880] unlink("./1/binderfs") = 0 [pid 5878] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5878] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5880] getdents64(3, [pid 5878] <... openat resumed>) = 3 [pid 5880] <... getdents64 resumed>0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5878] newfstatat(3, "", [pid 5880] close(3) = 0 [pid 5878] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5880] rmdir("./1" [pid 5878] getdents64(3, [pid 5880] <... rmdir resumed>) = 0 [pid 5878] <... getdents64 resumed>0x55557eee26f0 /* 4 entries */, 32768) = 112 [pid 5878] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] mkdir("./2", 0777) = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5880] ioctl(3, LOOP_CLR_FD) = 0 [ 113.928836][ T109] [ 113.928836][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.928836][ T109] [ 113.950735][ T110] [ 113.950735][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.950735][ T110] [pid 5880] close(3) = 0 [pid 5880] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557eee1650) = 5900 ./strace-static-x86_64: Process 5900 attached [pid 5900] set_robust_list(0x55557eee1660, 24) = 0 [pid 5900] chdir("./2") = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5877] <... umount2 resumed>) = 0 [ 113.979259][ T12] [ 113.979259][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.979259][ T12] [ 113.998955][ T5877] [ 113.998955][ T5877] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 113.998955][ T5877] [ 114.010832][ T5879] [ 114.010832][ T5879] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 114.010832][ T5879] [pid 5900] setpgid(0, 0 [pid 5877] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5900] <... setpgid resumed>) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5900] <... openat resumed>) = 3 [pid 5877] newfstatat(AT_FDCWD, "./1/file0", [pid 5900] write(3, "1000", 4 [pid 5877] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] <... write resumed>) = 4 [pid 5877] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5900] close(3 [pid 5877] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5900] <... close resumed>) = 0 [pid 5877] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5877] <... openat resumed>) = 4 [ 114.047876][ T12] [ 114.047876][ T12] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 114.047876][ T12] [ 114.068392][ T5879] [ 114.068392][ T5879] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 114.068392][ T5879] [ 114.091192][ T110] [pid 5900] <... symlink resumed>) = 0 [pid 5879] <... umount2 resumed>) = 0 [pid 5877] newfstatat(4, "", executing program [pid 5900] write(1, "executing program\n", 18 [pid 5879] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5900] <... write resumed>) = 18 [pid 5877] getdents64(4, [pid 5900] memfd_create("syzkaller", 0 [pid 5877] <... getdents64 resumed>0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5900] <... memfd_create resumed>) = 3 [pid 5877] getdents64(4, [pid 5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5879] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] <... getdents64 resumed>0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5900] <... mmap resumed>) = 0x7fb715200000 [pid 5879] newfstatat(AT_FDCWD, "./1/file0", [pid 5877] close(4 [pid 5879] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5877] <... close resumed>) = 0 [pid 5879] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] rmdir("./1/file0") = 0 [pid 5877] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5877] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5877] unlink("./1/binderfs") = 0 [pid 5877] getdents64(3, 0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5877] close(3) = 0 [pid 5877] rmdir("./1") = 0 [ 114.091192][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 114.091192][ T110] [pid 5879] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] mkdir("./2", 0777) = 0 [pid 5882] <... close resumed>) = 0 [pid 5879] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5882] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557eee1650) = 5901 ./strace-static-x86_64: Process 5901 attached [pid 5901] set_robust_list(0x55557eee1660, 24) = 0 [pid 5901] chdir("./2") = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] <... openat resumed>) = 3 [pid 5901] <... prctl resumed>) = 0 [pid 5901] setpgid(0, 0 [pid 5879] <... openat resumed>) = 4 [pid 5877] ioctl(3, LOOP_CLR_FD [pid 5901] <... setpgid resumed>) = 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5901] write(3, "1000", 4) = 4 [pid 5901] close(3) = 0 [pid 5901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5879] newfstatat(4, "", [pid 5877] <... ioctl resumed>) = 0 [pid 5879] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5877] close(3 [pid 5879] getdents64(4, executing program [pid 5901] write(1, "executing program\n", 18) = 18 [pid 5901] memfd_create("syzkaller", 0) = 3 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb715200000 [pid 5879] <... getdents64 resumed>0x55557eeea730 /* 2 entries */, 32768) = 48 [ 114.128389][ T5878] [ 114.128389][ T5878] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 114.128389][ T5878] [ 114.161434][ T5878] [ 114.161434][ T5878] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 114.161434][ T5878] [pid 5879] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5879] close(4) = 0 [pid 5879] rmdir("./1/file0") = 0 [pid 5879] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5879] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5879] unlink("./1/binderfs") = 0 [pid 5879] getdents64(3, 0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5879] close(3) = 0 [pid 5879] rmdir("./1") = 0 [pid 5878] <... umount2 resumed>) = 0 [pid 5879] mkdir("./2", 0777 [pid 5878] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5879] <... mkdir resumed>) = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5878] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5879] <... openat resumed>) = 3 [pid 5878] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5879] ioctl(3, LOOP_CLR_FD [pid 5878] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5879] <... ioctl resumed>) = 0 [pid 5878] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5879] close(3 [pid 5878] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5881] <... close resumed>) = 0 [pid 5878] <... openat resumed>) = 4 [pid 5878] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5878] getdents64(4, 0x55557eeea730 /* 2 entries */, 32768) = 48 [pid 5878] getdents64(4, 0x55557eeea730 /* 0 entries */, 32768) = 0 [pid 5878] close(4) = 0 [pid 5878] rmdir("./1/file0" [pid 5881] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5878] <... rmdir resumed>) = 0 [pid 5878] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5878] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5878] unlink("./1/binderfs") = 0 [pid 5878] getdents64(3, 0x55557eee26f0 /* 0 entries */, 32768) = 0 [pid 5881] <... clone resumed>, child_tidptr=0x55557eee1650) = 5902 [pid 5878] close(3) = 0 [pid 5878] rmdir("./1"./strace-static-x86_64: Process 5902 attached ) = 0 [pid 5878] mkdir("./2", 0777 [pid 5902] set_robust_list(0x55557eee1660, 24) = 0 [pid 5878] <... mkdir resumed>) = 0 [pid 5902] chdir("./2" [pid 5878] openat(AT_FDCWD, "/dev/loop1", O_RDWR