./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor291655672 <...> Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. execve("./syz-executor291655672", ["./syz-executor291655672"], 0x7ffdeee0de00 /* 10 vars */) = 0 brk(NULL) = 0x55558598d000 brk(0x55558598dd00) = 0x55558598dd00 arch_prctl(ARCH_SET_FS, 0x55558598d380) = 0 set_tid_address(0x55558598d650) = 5847 set_robust_list(0x55558598d660, 24) = 0 rseq(0x55558598dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor291655672", 4096) = 27 getrandom("\x69\x56\x9e\xf0\xbf\x5d\xea\x86", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558598dd00 brk(0x5555859aed00) = 0x5555859aed00 brk(0x5555859af000) = 0x5555859af000 mprotect(0x7fa8a07db000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached , child_tidptr=0x55558598d650) = 5848 [pid 5848] set_robust_list(0x55558598d660, 24) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] mkdir("./syzkaller.DSbVcq", 0700./strace-static-x86_64: Process 5849 attached [pid 5849] set_robust_list(0x55558598d660, 24 [pid 5847] <... clone resumed>, child_tidptr=0x55558598d650) = 5849 [pid 5848] <... mkdir resumed>) = 0 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] chmod("./syzkaller.DSbVcq", 0777 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... chmod resumed>) = 0 [pid 5848] chdir("./syzkaller.DSbVcq"./strace-static-x86_64: Process 5850 attached [pid 5849] mkdir("./syzkaller.uc7XGZ", 0700 [pid 5847] <... clone resumed>, child_tidptr=0x55558598d650) = 5850 [pid 5850] set_robust_list(0x55558598d660, 24 [pid 5848] <... chdir resumed>) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] <... mkdir resumed>) = 0 [pid 5848] mkdir("./0", 0777./strace-static-x86_64: Process 5851 attached [pid 5847] <... clone resumed>, child_tidptr=0x55558598d650) = 5851 [pid 5851] set_robust_list(0x55558598d660, 24 [pid 5850] mkdir("./syzkaller.qqPthG", 0700 [pid 5849] chmod("./syzkaller.uc7XGZ", 0777 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] <... set_robust_list resumed>) = 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5849] <... chmod resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5852 attached [pid 5851] mkdir("./syzkaller.oslRs0", 0700 [pid 5849] chdir("./syzkaller.uc7XGZ" [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5850] chmod("./syzkaller.qqPthG", 0777 [pid 5847] <... clone resumed>, child_tidptr=0x55558598d650) = 5852 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] set_robust_list(0x55558598d660, 24 [pid 5849] <... chdir resumed>) = 0 [pid 5851] <... mkdir resumed>) = 0 [pid 5848] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5853 attached [pid 5849] mkdir("./0", 0777 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5850] <... chmod resumed>) = 0 [pid 5853] set_robust_list(0x55558598d660, 24) = 0 [pid 5852] mkdir("./syzkaller.qzEulR", 0700 [pid 5850] chdir("./syzkaller.qqPthG" [pid 5847] <... clone resumed>, child_tidptr=0x55558598d650) = 5853 [pid 5853] mkdir("./syzkaller.gCe6If", 0700 [pid 5852] <... mkdir resumed>) = 0 [pid 5851] chmod("./syzkaller.oslRs0", 0777 [pid 5850] <... chdir resumed>) = 0 [pid 5849] <... mkdir resumed>) = 0 [pid 5848] ioctl(3, LOOP_CLR_FD [pid 5850] mkdir("./0", 0777 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] chmod("./syzkaller.qzEulR", 0777 [pid 5851] <... chmod resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5853] chmod("./syzkaller.gCe6If", 0777 [pid 5852] <... chmod resumed>) = 0 [pid 5851] chdir("./syzkaller.oslRs0" [pid 5850] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5849] <... openat resumed>) = 3 [pid 5848] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5852] chdir("./syzkaller.qzEulR") = 0 [pid 5851] <... chdir resumed>) = 0 [pid 5849] ioctl(3, LOOP_CLR_FD [pid 5848] close(3 [pid 5851] mkdir("./0", 0777 [pid 5852] mkdir("./0", 0777 [pid 5853] <... chmod resumed>) = 0 [pid 5849] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5848] <... close resumed>) = 0 [pid 5851] <... mkdir resumed>) = 0 [pid 5853] chdir("./syzkaller.gCe6If" [pid 5850] <... openat resumed>) = 3 [pid 5849] close(3 [pid 5853] <... chdir resumed>) = 0 [pid 5849] <... close resumed>) = 0 [pid 5853] mkdir("./0", 0777 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5852] <... mkdir resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5850] ioctl(3, LOOP_CLR_FD [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] <... mkdir resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5849] <... clone resumed>, child_tidptr=0x55558598d650) = 5854 [pid 5853] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5853] close(3) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] set_robust_list(0x55558598d660, 24./strace-static-x86_64: Process 5856 attached ./strace-static-x86_64: Process 5855 attached ) = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5851] <... openat resumed>) = 3 [pid 5850] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5854] chdir("./0" [pid 5855] set_robust_list(0x55558598d660, 24) = 0 [pid 5853] <... clone resumed>, child_tidptr=0x55558598d650) = 5855 [pid 5855] chdir("./0" [pid 5852] <... openat resumed>) = 3 [pid 5850] close(3 [pid 5856] set_robust_list(0x55558598d660, 24 [pid 5851] ioctl(3, LOOP_CLR_FD [pid 5854] <... chdir resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5852] ioctl(3, LOOP_CLR_FD [pid 5856] <... set_robust_list resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5851] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... clone resumed>, child_tidptr=0x55558598d650) = 5856 [pid 5856] chdir("./0" [pid 5855] <... chdir resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5855] setpgid(0, 0) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5858 attached [pid 5856] <... chdir resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5854] setpgid(0, 0 [pid 5852] close(3 [pid 5851] close(3 [pid 5858] set_robust_list(0x55558598d660, 24 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] <... close resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5850] <... clone resumed>, child_tidptr=0x55558598d650) = 5858 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... set_robust_list resumed>) = 0 [pid 5856] <... prctl resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] write(3, "1000", 4 [pid 5854] <... setpgid resumed>) = 0 [pid 5855] <... write resumed>) = 4 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5859 attached [pid 5855] close(3 [pid 5854] <... openat resumed>) = 3 [pid 5855] <... close resumed>) = 0 [pid 5854] write(3, "1000", 4 [pid 5855] symlink("/dev/binderfs", "./binderfs" [pid 5854] <... write resumed>) = 4 ./strace-static-x86_64: Process 5860 attached [pid 5859] set_robust_list(0x55558598d660, 24 [pid 5856] setpgid(0, 0 [pid 5855] <... symlink resumed>) = 0 [pid 5854] close(3 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5860] set_robust_list(0x55558598d660, 24 [pid 5859] chdir("./0" [pid 5858] chdir("./0" [pid 5856] <... setpgid resumed>) = 0 [pid 5854] symlink("/dev/binderfs", "./binderfs"executing program [pid 5860] <... set_robust_list resumed>) = 0 [pid 5858] <... chdir resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] write(1, "executing program\n", 18 [pid 5854] <... symlink resumed>) = 0 [pid 5852] <... clone resumed>, child_tidptr=0x55558598d650) = 5859 [pid 5851] <... clone resumed>, child_tidptr=0x55558598d650) = 5860 [pid 5859] <... chdir resumed>) = 0 [pid 5855] <... write resumed>) = 18 [pid 5856] <... openat resumed>) = 3 [pid 5860] chdir("./0" [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] write(3, "1000", 4 [pid 5855] memfd_create("syzkaller", 0 [pid 5860] <... chdir resumed>) = 0 [pid 5859] <... prctl resumed>) = 0 executing program [pid 5858] <... prctl resumed>) = 0 [pid 5856] <... write resumed>) = 4 [pid 5854] write(1, "executing program\n", 18 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] setpgid(0, 0 [pid 5858] setpgid(0, 0 [pid 5855] <... memfd_create resumed>) = 3 [pid 5856] close(3 [pid 5860] <... prctl resumed>) = 0 [pid 5859] <... setpgid resumed>) = 0 [pid 5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5854] <... write resumed>) = 18 [pid 5860] setpgid(0, 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... setpgid resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] <... mmap resumed>) = 0x7fa898200000 [pid 5854] memfd_create("syzkaller", 0 [pid 5860] <... setpgid resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] symlink("/dev/binderfs", "./binderfs" [pid 5859] write(3, "1000", 4 [pid 5854] <... memfd_create resumed>) = 3 [pid 5859] <... write resumed>) = 4 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] close(3 [pid 5854] <... mmap resumed>) = 0x7fa898200000 [pid 5859] <... close resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5856] <... symlink resumed>) = 0 executing program [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5858] write(3, "1000", 4 [pid 5860] <... openat resumed>) = 3 [pid 5859] write(1, "executing program\n", 18 [pid 5858] <... write resumed>) = 4 [pid 5860] write(3, "1000", 4 [pid 5859] <... write resumed>) = 18 [pid 5860] <... write resumed>) = 4 [pid 5859] memfd_create("syzkaller", 0 [pid 5860] close(3 [pid 5859] <... memfd_create resumed>) = 3 [pid 5860] <... close resumed>) = 0 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5860] symlink("/dev/binderfs", "./binderfs" [pid 5859] <... mmap resumed>) = 0x7fa898200000 [pid 5860] <... symlink resumed>) = 0 [pid 5858] close(3 [pid 5856] write(1, "executing program\n", 18executing program executing program [pid 5860] write(1, "executing program\n", 18 [pid 5858] <... close resumed>) = 0 [pid 5856] <... write resumed>) = 18 [pid 5860] <... write resumed>) = 18 [pid 5860] memfd_create("syzkaller", 0 [pid 5858] symlink("/dev/binderfs", "./binderfs" [pid 5856] memfd_create("syzkaller", 0) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5860] <... memfd_create resumed>) = 3 [pid 5858] <... symlink resumed>) = 0 [pid 5856] <... mmap resumed>) = 0x7fa898200000 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa898200000 executing program [pid 5858] write(1, "executing program\n", 18) = 18 [pid 5858] memfd_create("syzkaller", 0) = 3 [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa898200000 [pid 5856] 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 5858] 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 5855] 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 5854] 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 5859] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5860] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5856] <... write resumed>) = 16777216 [pid 5856] munmap(0x7fa898200000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5856] ioctl(4, LOOP_SET_FD, 3 [pid 5859] <... write resumed>) = 16777216 [pid 5860] <... write resumed>) = 16777216 [pid 5858] <... write resumed>) = 16777216 [pid 5856] <... ioctl resumed>) = 0 [pid 5855] <... write resumed>) = 16777216 [pid 5854] <... write resumed>) = 16777216 [pid 5860] munmap(0x7fa898200000, 138412032 [pid 5858] munmap(0x7fa898200000, 138412032 [pid 5856] close(3 [pid 5855] munmap(0x7fa898200000, 138412032 [ 90.640374][ T5856] loop0: detected capacity change from 0 to 32768 [pid 5859] munmap(0x7fa898200000, 138412032 [pid 5856] <... close resumed>) = 0 [pid 5854] munmap(0x7fa898200000, 138412032 [pid 5856] close(4 [pid 5855] <... munmap resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5859] <... munmap resumed>) = 0 [pid 5856] mkdir("./file0", 0777 [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5858] <... munmap resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 5859] <... openat resumed>) = 4 [pid 5856] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"... [pid 5860] <... munmap resumed>) = 0 [pid 5859] ioctl(4, LOOP_SET_FD, 3 [pid 5858] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5860] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5858] ioctl(4, LOOP_SET_FD, 3 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5860] <... openat resumed>) = 4 [pid 5855] <... openat resumed>) = 4 [pid 5860] ioctl(4, LOOP_SET_FD, 3 [pid 5855] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5854] <... munmap resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5856] <... mount resumed>) = 0 [pid 5854] <... openat resumed>) = 4 [pid 5856] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5854] ioctl(4, LOOP_SET_FD, 3 [pid 5855] close(3 [pid 5859] <... ioctl resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5859] close(3) = 0 [pid 5859] close(4) = 0 [pid 5859] mkdir("./file0", 0777 [pid 5860] <... ioctl resumed>) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5860] close(3) = 0 [pid 5858] close(3 [pid 5860] close(4 [pid 5858] <... close resumed>) = 0 [pid 5856] chdir("./file0" [pid 5855] <... close resumed>) = 0 [pid 5860] <... close resumed>) = 0 [pid 5858] close(4 [pid 5856] <... chdir resumed>) = 0 [pid 5855] close(4 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5855] <... close resumed>) = 0 [pid 5860] mkdir("./file0", 0777 [pid 5859] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"... [pid 5858] <... close resumed>) = 0 [pid 5856] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] mkdir("./file0", 0777 [pid 5860] <... mkdir resumed>) = 0 [pid 5858] mkdir("./file0", 0777 [pid 5855] <... mkdir resumed>) = 0 [pid 5860] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"... [pid 5855] mount("/dev/loop5", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"... [pid 5856] exit_group(0) = ? [pid 5858] <... mkdir resumed>) = 0 [pid 5858] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"... [pid 5855] <... mount resumed>) = 0 [pid 5856] +++ exited with 0 +++ [pid 5855] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=25 /* 0.25 s */} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5848] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5848] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5848] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 90.737565][ T5859] loop4: detected capacity change from 0 to 32768 [ 90.749139][ T5858] loop2: detected capacity change from 0 to 32768 [ 90.758166][ T5855] loop5: detected capacity change from 0 to 32768 [ 90.758253][ T5860] loop3: detected capacity change from 0 to 32768 [ 90.779463][ T5854] loop1: detected capacity change from 0 to 32768 [pid 5855] chdir("./file0" [pid 5848] getdents64(3, 0x55558598e6f0 /* 4 entries */, 32768) = 112 [pid 5855] <... chdir resumed>) = 0 [pid 5848] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] exit_group(0 [pid 5859] <... mount resumed>) = 0 [pid 5855] <... exit_group resumed>) = ? [pid 5854] <... ioctl resumed>) = 0 [pid 5860] <... mount resumed>) = 0 [pid 5859] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5855] +++ exited with 0 +++ [pid 5854] close(3) = 0 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5854] close(4) = 0 [pid 5858] <... mount resumed>) = 0 [pid 5853] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5860] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5859] <... openat resumed>) = 3 [pid 5854] mkdir("./file0", 0777 [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5860] <... openat resumed>) = 3 [pid 5859] chdir("./file0" [pid 5858] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5853] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... chdir resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 3 [pid 5853] newfstatat(3, "", [pid 5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5858] chdir("./file0" [pid 5854] <... mkdir resumed>) = 0 [pid 5853] getdents64(3, [pid 5860] chdir("./file0" [pid 5858] <... chdir resumed>) = 0 [pid 5853] <... getdents64 resumed>0x55558598e6f0 /* 4 entries */, 32768) = 112 [pid 5860] <... chdir resumed>) = 0 [pid 5859] exit_group(0 [pid 5858] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5853] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5860] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5859] <... exit_group resumed>) = ? [pid 5858] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5860] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5854] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"... [pid 5848] <... umount2 resumed>) = 0 [pid 5860] exit_group(0 [pid 5858] exit_group(0 [pid 5848] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5860] <... exit_group resumed>) = ? [pid 5858] <... exit_group resumed>) = ? [pid 5848] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5860] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5848] newfstatat(AT_FDCWD, "./0/file0", [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=23 /* 0.23 s */} --- [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5850] restart_syscall(<... resuming interrupted clone ...> [pid 5851] <... restart_syscall resumed>) = 0 [pid 5850] <... restart_syscall resumed>) = 0 [pid 5851] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5851] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5851] <... openat resumed>) = 3 [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] newfstatat(3, "", [pid 5850] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5851] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5850] <... openat resumed>) = 3 [pid 5851] getdents64(3, [pid 5850] newfstatat(3, "", [pid 5848] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5851] <... getdents64 resumed>0x55558598e6f0 /* 4 entries */, 32768) = 112 [pid 5850] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5851] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] getdents64(3, 0x55558598e6f0 /* 4 entries */, 32768) = 112 [pid 5848] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5848] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] +++ exited with 0 +++ [pid 5852] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=22 /* 0.22 s */} --- [pid 5852] restart_syscall(<... resuming interrupted clone ...> [pid 5848] <... openat resumed>) = 4 [pid 5848] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5848] getdents64(4, 0x555585996730 /* 2 entries */, 32768) = 48 [pid 5852] <... restart_syscall resumed>) = 0 [pid 5853] <... umount2 resumed>) = 0 [pid 5852] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5848] getdents64(4, [pid 5854] <... mount resumed>) = 0 [pid 5853] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5848] <... getdents64 resumed>0x555585996730 /* 0 entries */, 32768) = 0 [pid 5854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5853] newfstatat(AT_FDCWD, "./0/file0", [pid 5852] <... openat resumed>) = 3 [pid 5848] close(4 [pid 5854] <... openat resumed>) = 3 [pid 5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] newfstatat(3, "", [pid 5854] chdir("./file0" [pid 5853] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5848] <... close resumed>) = 0 [pid 5854] <... chdir resumed>) = 0 [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] getdents64(3, [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5852] <... getdents64 resumed>0x55558598e6f0 /* 4 entries */, 32768) = 112 [pid 5848] rmdir("./0/file0" [pid 5852] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5853] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5853] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5853] getdents64(4, 0x555585996730 /* 2 entries */, 32768) = 48 [pid 5848] <... rmdir resumed>) = 0 [pid 5853] getdents64(4, [pid 5854] exit_group(0 [pid 5853] <... getdents64 resumed>0x555585996730 /* 0 entries */, 32768) = 0 [pid 5854] <... exit_group resumed>) = ? [pid 5853] close(4) = 0 [pid 5853] rmdir("./0/file0") = 0 [pid 5853] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5853] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] unlink("./0/binderfs" [pid 5854] +++ exited with 0 +++ [pid 5853] <... unlink resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=26 /* 0.26 s */} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5848] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] getdents64(3, [pid 5851] <... umount2 resumed>) = 0 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5853] <... getdents64 resumed>0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5851] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] close(3 [pid 5851] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... close resumed>) = 0 [pid 5851] newfstatat(AT_FDCWD, "./0/file0", [pid 5849] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] rmdir("./0" [pid 5851] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5849] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... rmdir resumed>) = 0 [pid 5851] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5849] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5851] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5849] <... openat resumed>) = 3 [pid 5851] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5849] newfstatat(3, "", [pid 5848] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] <... openat resumed>) = 4 [pid 5849] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5848] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5851] newfstatat(4, "", [pid 5849] getdents64(3, [pid 5853] mkdir("./1", 0777 [pid 5852] <... umount2 resumed>) = 0 [pid 5851] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5849] <... getdents64 resumed>0x55558598e6f0 /* 4 entries */, 32768) = 112 [pid 5848] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5850] <... umount2 resumed>) = 0 [pid 5849] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5851] getdents64(4, 0x555585996730 /* 2 entries */, 32768) = 48 [pid 5851] getdents64(4, 0x555585996730 /* 0 entries */, 32768) = 0 [pid 5851] close(4) = 0 [pid 5850] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5851] rmdir("./0/file0" [pid 5853] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5851] <... rmdir resumed>) = 0 [pid 5850] newfstatat(AT_FDCWD, "./0/file0", [pid 5853] <... openat resumed>) = 3 [pid 5852] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] ioctl(3, LOOP_CLR_FD [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... ioctl resumed>) = 0 [pid 5852] newfstatat(AT_FDCWD, "./0/file0", [pid 5851] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] close(3 [pid 5852] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5851] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5852] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5851] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5850] <... openat resumed>) = 4 [pid 5851] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] newfstatat(4, "", [pid 5853] <... close resumed>) = 0 [pid 5851] unlink("./0/binderfs" [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] <... unlink resumed>) = 0 [pid 5850] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5848] unlink("./0/binderfs" [pid 5852] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] getdents64(4, [pid 5852] <... openat resumed>) = 4 [pid 5851] getdents64(3, [pid 5850] <... getdents64 resumed>0x555585996730 /* 2 entries */, 32768) = 48 [pid 5848] <... unlink resumed>) = 0 [pid 5852] newfstatat(4, "", [pid 5851] <... getdents64 resumed>0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5850] getdents64(4, [pid 5852] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5851] close(3 [pid 5850] <... getdents64 resumed>0x555585996730 /* 0 entries */, 32768) = 0 [pid 5848] getdents64(3, ./strace-static-x86_64: Process 5866 attached [pid 5853] <... clone resumed>, child_tidptr=0x55558598d650) = 5866 [pid 5852] getdents64(4, [pid 5851] <... close resumed>) = 0 [pid 5866] set_robust_list(0x55558598d660, 24 [pid 5852] <... getdents64 resumed>0x555585996730 /* 2 entries */, 32768) = 48 [pid 5851] rmdir("./0" [pid 5850] close(4 [pid 5848] <... getdents64 resumed>0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5848] close(3 [pid 5866] chdir("./1" [pid 5852] getdents64(4, [pid 5851] <... rmdir resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5848] <... close resumed>) = 0 [pid 5852] <... getdents64 resumed>0x555585996730 /* 0 entries */, 32768) = 0 [pid 5866] <... chdir resumed>) = 0 [pid 5852] close(4 [pid 5850] rmdir("./0/file0" [pid 5848] rmdir("./0" [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] <... close resumed>) = 0 [pid 5850] <... rmdir resumed>) = 0 [pid 5866] <... prctl resumed>) = 0 [pid 5852] rmdir("./0/file0" [pid 5848] <... rmdir resumed>) = 0 [pid 5866] setpgid(0, 0 [pid 5851] mkdir("./1", 0777 [pid 5849] <... umount2 resumed>) = 0 [pid 5848] mkdir("./1", 0777 [pid 5852] <... rmdir resumed>) = 0 [pid 5851] <... mkdir resumed>) = 0 [pid 5849] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... setpgid resumed>) = 0 [pid 5850] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5849] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... mkdir resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5849] newfstatat(AT_FDCWD, "./0/file0", [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5850] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5849] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5851] <... openat resumed>) = 3 [pid 5850] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5849] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5851] ioctl(3, LOOP_CLR_FD [pid 5850] unlink("./0/binderfs" [pid 5851] <... ioctl resumed>) = 0 [pid 5849] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] unlink("./0/binderfs" [pid 5851] close(3 [pid 5852] <... unlink resumed>) = 0 [pid 5850] <... unlink resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5850] getdents64(3, [pid 5849] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5848] <... openat resumed>) = 3 [pid 5866] write(3, "1000", 4 [pid 5852] getdents64(3, [pid 5850] <... getdents64 resumed>0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5849] <... openat resumed>) = 4 [pid 5848] ioctl(3, LOOP_CLR_FD [pid 5866] <... write resumed>) = 4 [pid 5852] <... getdents64 resumed>0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5850] close(3 [pid 5866] close(3 [pid 5852] close(3 [pid 5850] <... close resumed>) = 0 [pid 5849] newfstatat(4, "", [pid 5848] <... ioctl resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5850] rmdir("./0" [pid 5849] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5848] close(3 [pid 5852] <... close resumed>) = 0 [pid 5850] <... rmdir resumed>) = 0 [pid 5849] getdents64(4, [pid 5852] rmdir("./0" [pid 5849] <... getdents64 resumed>0x555585996730 /* 2 entries */, 32768) = 48 [pid 5866] symlink("/dev/binderfs", "./binderfs" [pid 5852] <... rmdir resumed>) = 0 [pid 5850] mkdir("./1", 0777 [pid 5849] getdents64(4, [pid 5866] <... symlink resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 executing program [pid 5866] write(1, "executing program\n", 18 [pid 5852] mkdir("./1", 0777 [pid 5849] <... getdents64 resumed>0x555585996730 /* 0 entries */, 32768) = 0 [pid 5866] <... write resumed>) = 18 [pid 5866] memfd_create("syzkaller", 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5849] close(4 [pid 5850] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5849] <... close resumed>) = 0 [pid 5850] <... openat resumed>) = 3 [pid 5849] rmdir("./0/file0" [pid 5852] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5850] ioctl(3, LOOP_CLR_FD [pid 5852] <... openat resumed>) = 3 [pid 5850] <... ioctl resumed>) = 0 [pid 5850] close(3) = 0 [pid 5852] ioctl(3, LOOP_CLR_FD [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached [pid 5866] <... memfd_create resumed>) = 3 [pid 5852] <... ioctl resumed>) = 0 [pid 5852] close(3) = 0 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... rmdir resumed>) = 0 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5867] set_robust_list(0x55558598d660, 24 [pid 5866] <... mmap resumed>) = 0x7fa898200000 [pid 5849] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5868 attached ) = -1 EINVAL (Invalid argument) [pid 5849] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] chdir("./1" [pid 5849] unlink("./0/binderfs" [pid 5852] <... clone resumed>, child_tidptr=0x55558598d650) = 5868 [pid 5849] <... unlink resumed>) = 0 [pid 5867] <... chdir resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] <... clone resumed>, child_tidptr=0x55558598d650) = 5867 [pid 5849] getdents64(3, 0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5867] <... prctl resumed>) = 0 [pid 5849] close(3 [pid 5867] setpgid(0, 0 [pid 5849] <... close resumed>) = 0 [pid 5867] <... setpgid resumed>) = 0 [pid 5849] rmdir("./0" [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] <... rmdir resumed>) = 0 [pid 5868] set_robust_list(0x55558598d660, 24 [pid 5867] <... openat resumed>) = 3 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] write(3, "1000", 4 [pid 5849] mkdir("./1", 0777 [pid 5868] chdir("./1" [pid 5867] <... write resumed>) = 4 [pid 5849] <... mkdir resumed>) = 0 [pid 5868] <... chdir resumed>) = 0 [pid 5867] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5867] symlink("/dev/binderfs", "./binderfs" [pid 5849] <... openat resumed>) = 3 executing program [pid 5867] <... symlink resumed>) = 0 [pid 5849] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] write(1, "executing program\n", 18 [pid 5849] close(3 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... write resumed>) = 18 [pid 5867] memfd_create("syzkaller", 0) = 3 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa898200000 [pid 5868] <... prctl resumed>) = 0 [pid 5868] setpgid(0, 0) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3) = 0 [pid 5868] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5868] write(1, "executing program\n", 18executing program ) = 18 [pid 5868] memfd_create("syzkaller", 0) = 3 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa898200000 [ 91.223418][ T1204] cfg80211: failed to load regulatory.db [pid 5866] 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 5867] 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 5851] <... close resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached [pid 5848] <... close resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55558598d650) = 5873 [pid 5868] 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 5873] set_robust_list(0x55558598d660, 24) = 0 [pid 5873] chdir("./1") = 0 [pid 5849] <... close resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5874 attached [pid 5873] setpgid(0, 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] <... setpgid resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... clone resumed>, child_tidptr=0x55558598d650) = 5874 [pid 5873] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5875 attached [pid 5874] set_robust_list(0x55558598d660, 24 [pid 5849] <... clone resumed>, child_tidptr=0x55558598d650) = 5875 [pid 5875] set_robust_list(0x55558598d660, 24 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5873] write(3, "1000", 4) = 4 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5874] chdir("./1" [pid 5873] close(3 [pid 5875] chdir("./1" [pid 5874] <... chdir resumed>) = 0 [pid 5873] <... close resumed>) = 0 [pid 5875] <... chdir resumed>) = 0 [pid 5873] symlink("/dev/binderfs", "./binderfs" [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] <... symlink resumed>) = 0 [pid 5874] <... prctl resumed>) = 0 [pid 5875] setpgid(0, 0 [pid 5874] setpgid(0, 0 executing program [pid 5873] write(1, "executing program\n", 18 [pid 5875] <... setpgid resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] <... setpgid resumed>) = 0 [pid 5873] <... write resumed>) = 18 [pid 5875] <... openat resumed>) = 3 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] memfd_create("syzkaller", 0 [pid 5875] write(3, "1000", 4 [pid 5874] <... openat resumed>) = 3 [pid 5873] <... memfd_create resumed>) = 3 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa898200000 [pid 5874] write(3, "1000", 4 [pid 5875] <... write resumed>) = 4 [pid 5875] close(3 [pid 5874] <... write resumed>) = 4 [pid 5875] <... close resumed>) = 0 [pid 5874] close(3) = 0 [pid 5875] symlink("/dev/binderfs", "./binderfs" [pid 5874] symlink("/dev/binderfs", "./binderfs" [pid 5875] <... symlink resumed>) = 0 [pid 5874] <... symlink resumed>) = 0 [pid 5875] write(1, "executing program\n", 18 executing program executing program [pid 5874] write(1, "executing program\n", 18) = 18 [pid 5875] <... write resumed>) = 18 [pid 5875] memfd_create("syzkaller", 0 [pid 5874] memfd_create("syzkaller", 0 [pid 5875] <... memfd_create resumed>) = 3 [pid 5874] <... memfd_create resumed>) = 3 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5875] <... mmap resumed>) = 0x7fa898200000 [pid 5874] <... mmap resumed>) = 0x7fa898200000 [pid 5873] 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 5867] <... write resumed>) = 16777216 [pid 5867] munmap(0x7fa898200000, 138412032) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5867] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5867] close(3) = 0 [pid 5867] close(4) = 0 [pid 5867] mkdir("./file0", 0777) = 0 [pid 5867] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"...) = 0 [pid 5867] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5867] chdir("./file0") = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5867] exit_group(0) = ? [pid 5867] +++ exited with 0 +++ [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=25 /* 0.25 s */} --- [pid 5850] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5850] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5850] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5850] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5850] getdents64(3, 0x55558598e6f0 /* 4 entries */, 32768) = 112 [ 92.106466][ T5867] loop2: detected capacity change from 0 to 32768 [pid 5850] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5875] 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 5874] 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 5850] <... umount2 resumed>) = 0 [pid 5850] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5850] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5850] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5850] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5850] getdents64(4, 0x555585996730 /* 2 entries */, 32768) = 48 [pid 5850] getdents64(4, 0x555585996730 /* 0 entries */, 32768) = 0 [pid 5850] close(4) = 0 [pid 5850] rmdir("./1/file0") = 0 [pid 5850] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5850] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] unlink("./1/binderfs") = 0 [pid 5850] getdents64(3, 0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5850] close(3) = 0 [pid 5850] rmdir("./1") = 0 [pid 5850] mkdir("./2", 0777) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5850] ioctl(3, LOOP_CLR_FD) = 0 [pid 5850] close(3) = 0 [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558598d650) = 5876 [pid 5866] <... write resumed>) = 16777216 ./strace-static-x86_64: Process 5876 attached [pid 5866] munmap(0x7fa898200000, 138412032 [pid 5876] set_robust_list(0x55558598d660, 24) = 0 [pid 5876] chdir("./2") = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] <... write resumed>) = 16777216 [pid 5876] write(3, "1000", 4) = 4 [pid 5876] close(3) = 0 [pid 5876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5876] write(1, "executing program\n", 18executing program [pid 5868] munmap(0x7fa898200000, 138412032 [pid 5876] <... write resumed>) = 18 [pid 5876] memfd_create("syzkaller", 0) = 3 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa898200000 [pid 5866] <... munmap resumed>) = 0 [pid 5868] <... munmap resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5866] ioctl(4, LOOP_SET_FD, 3 [pid 5868] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5866] <... ioctl resumed>) = 0 [pid 5868] <... openat resumed>) = 4 [pid 5866] close(3 [pid 5868] ioctl(4, LOOP_SET_FD, 3 [pid 5866] <... close resumed>) = 0 [pid 5866] close(4) = 0 [pid 5868] <... ioctl resumed>) = 0 [pid 5866] mkdir("./file0", 0777) = 0 [pid 5868] close(3) = 0 [pid 5866] mount("/dev/loop5", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"... [pid 5868] close(4) = 0 [pid 5868] mkdir("./file0", 0777) = 0 [pid 5868] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID, "quota,nointegrity,noquota,gid=0x000000000000ee00,iocharset=cp866,uid=0x0000000000000000,errors=remou"... [pid 5866] <... mount resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 92.333971][ T5866] loop5: detected capacity change from 0 to 32768 [ 92.361644][ T5868] loop4: detected capacity change from 0 to 32768 [pid 5866] chdir("./file0" [pid 5868] <... mount resumed>) = 0 [pid 5866] <... chdir resumed>) = 0 [pid 5868] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5866] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5868] <... openat resumed>) = 3 [pid 5866] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] exit_group(0) = ? [pid 5868] chdir("./file0") = 0 [pid 5866] +++ exited with 0 +++ [pid 5868] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5868] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5868] exit_group(0 [pid 5853] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5868] <... exit_group resumed>) = ? [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5868] +++ exited with 0 +++ [pid 5853] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5852] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5852] restart_syscall(<... resuming interrupted clone ...> [pid 5853] <... openat resumed>) = 3 [pid 5852] <... restart_syscall resumed>) = 0 [pid 5853] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5853] getdents64(3, [pid 5852] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5852] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5852] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5852] getdents64(3, [pid 5853] <... getdents64 resumed>0x55558598e6f0 /* 4 entries */, 32768) = 112 [pid 5852] <... getdents64 resumed>0x55558598e6f0 /* 4 entries */, 32768) = 112 [pid 5852] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... umount2 resumed>) = 0 [pid 5852] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5852] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... umount2 resumed>) = 0 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] newfstatat(4, "", [pid 5853] newfstatat(AT_FDCWD, "./1/file0", [pid 5852] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5852] getdents64(4, [pid 5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] <... getdents64 resumed>0x555585996730 /* 2 entries */, 32768) = 48 [pid 5853] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] getdents64(4, [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] <... getdents64 resumed>0x555585996730 /* 0 entries */, 32768) = 0 [pid 5853] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5852] close(4 [pid 5853] <... openat resumed>) = 4 [pid 5852] <... close resumed>) = 0 [pid 5853] newfstatat(4, "", [pid 5852] rmdir("./1/file0" [pid 5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5852] <... rmdir resumed>) = 0 [pid 5853] getdents64(4, [pid 5852] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... getdents64 resumed>0x555585996730 /* 2 entries */, 32768) = 48 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] getdents64(4, [pid 5852] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5853] <... getdents64 resumed>0x555585996730 /* 0 entries */, 32768) = 0 [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] close(4) = 0 [pid 5852] unlink("./1/binderfs" [pid 5853] rmdir("./1/file0" [pid 5852] <... unlink resumed>) = 0 [pid 5853] <... rmdir resumed>) = 0 [pid 5852] getdents64(3, [pid 5853] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... getdents64 resumed>0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] close(3) = 0 [pid 5852] rmdir("./1") = 0 [pid 5853] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5852] mkdir("./2", 0777 [pid 5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5853] unlink("./1/binderfs") = 0 [pid 5853] getdents64(3, [pid 5852] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5853] <... getdents64 resumed>0x55558598e6f0 /* 0 entries */, 32768) = 0 [pid 5853] close(3 [pid 5852] <... openat resumed>) = 3 [pid 5853] <... close resumed>) = 0 [pid 5853] rmdir("./1" [pid 5852] ioctl(3, LOOP_CLR_FD [pid 5876] 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 5853] <... rmdir resumed>) = 0 [pid 5852] <... ioctl resumed>) = 0 [pid 5852] close(3